Carrier SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE
MODEL :
Indoor Unit
<high heat pump type>
42NQV025H
42MQV035H
42NQV035M
42NQV045H
42NQV045M
Outdoor Unit
<heat pump type>
38NYV025H
38NYV035H
38NYV035M
38NYV045H
38NYV045M
CONTENTS
1. SAFETY PRECAUTION
2. SPECIFICATION
3. REFRIGERANT R410
4. CONTRUCTION VIEWS
5. WIRING DIAGRAM
6. SPECIFICATIONS OF ELECTRICAL PARTS
7. REFRIGERANT CYCLE DIAGRAM
8. CONTROL BLOCK DIAGRAM
9. OPERATION DESCRIPTION
10. INSTALLATION PROCEDURE
11. HOW TO DIAGNOSE THE TROUBLE
12. HOW TO REPLACE THE MAIN PARTS
13. EXPLOSED VIEWS AND PARTS LIST
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Carrier Transport Air Conditioning SERVICE MANUAL For AirV AIR CONDITIONING AND HEATING EQUIPMENT MODELS 68RV11112A 68RV11122A 68RV11302A 68RV14102A 68RV14103A 68RV14113A 68RV14123A 68RV15102A 68RV15103A
Table of Content :
PARAGRAPH NUMBER Page
SPECIFIC WARNING AND CAUTION STATEMENTS
SPECIFIC WARNINGS AND CAUTIONS
DESCRIPTION
1.1 INTRODUCTION
1.2 SERIAL NUMBER IDENTIFICATION
1.3 DESIGN CHANGE DESCRIPTIONS
1.4 SYSTEM (UNIT) INSTALLED DIMENSIONS
1.5 SERIAL NUMBER LOCATIONS
1.6 AirV SYSTEM COMPONENT SPECIFICATIONS
1.6.1 Refrigerant Charge
1.6.2 Compressor -- 115 Volts, 60 Cycles, 1 Phase
1.6.3 Compressor -- 220 Volts, 50 Cycles, 1 Phase
1.6.4 Thermostat Range (All Free Blow Units)
1.6.5 Return Air Sensor (Thermistor)
1.6.6 Heat Pump Sensors (Thermistors)
1.7 START--UP
1.8 Dry Mode Function
1.9 REFRIGERANT CYCLE--STANDARD SYSTEM
1.10 REFRIGERANT CYCLE -- HEAT PUMP
1.10.1 Cooling
1.10.2 Heating
1.11 FREQUENTLY ASKED QUESTIONS AND ANSWERS
TROUBLESHOOTING
2.1 NO POWER TO UNIT
2.2 DUCTED UNIT WILL NOT OPERATE
2.3 DUCTED UNIT WILL NOT COOL
2.4 COMPRESSOR POWER SUPPLY OPEN
2.5 COMPRESSOR RUNS BUT CYCLES, FAN OPERATING ERRATICALLY
2.6 CYCLES ON COMPRESSOR OVERLOAD
2.7 INSUFFICIENT COOLING, COOLING AIR NOT ADEQUATE
2.8 CONDENSER AIR NOT ADEQUATE
2.9 INSUFFICIENT COOLING
2.10 COMPRESSOR FLOODING
2.11 HEATER CYCLES ON LIMIT SWITCH (HEAT/ COOL VERSION ONLY)
2.12 AIR SWEEP NOT WORKING (FREE BLOW VERSION ONLY)
2.13 WATER LEAKAGE
2.14 INADEQUATE HEAT (FREE--BLOW HEAT ONLY)
2.15 INADEQUATE HEAT (HEAT--PUMP)
SERVICE AND MAINTENANCE
3.1 PREVENTATIVE MAINTENANCE
3.2 OPERATING INSTRUCTIONS
3.3 SERVICE -- GENERAL
3.4 CEILING UNIT -- FREE BLOW SYSTEMS
3.4.1 Filter Removal
3.4.2 Ceiling Grill Removal
3.4.3 Ceiling Panel Removal
3.4.4 Master Control Switch
3.4.5 Air Sweep Switch Removal
3.4.6 Indoor Thermostat Removal
3.4.7 Air Sweep Removal
3.4.8 Heat Strip Assembly Removal
3.5 CEILING UNIT -- DUCTED SYSTEMS
3.5.1 Filter Removal
3.5.2 Ceiling Grill Removal
3.5.3 Control Box Assembly Removal
3.5.4 Main PCB Board Removal
3.5.5 PCB Display Removal
3.5.6 Fuse Removal
3.5.7 Dip Switch Functions
3.5.8 Return Air Thermistor
3.5.9 Heat Pump Thermistors
3.6 SERVICE -- UPPER UNIT -- STANDARD, HC & HP
3.6.1 Exterior Cover Removal
3.6.2 Compressor Replacement
3.6.3 Control Box Assembly Removal
3.6.4 Upper Scroll Assembly Removal
3.6.5 Motor Assembly and Condenser Fan Removal
3.6.6 Evaporator Blower Wheel Adjustment or Removal
3.6.7 Air Handling System Removal
3.6.8 Capacitor Troubleshooting
3.6.9 Capacitor Testing and Replacement
3.6.10 Positive Temperature Coefficient Thermistor (PTC) (Start Thermistor) Troubleshooting
3.6.11 Line Voltage -- 10%
3.7 SERVICE -- UPPER UNIT -- LOW PROFILE
3.7.1 Exterior Cover Removal .
3.7.2 Upper Scroll Assembly Removal
3.7.3 Condenser Fan Assembly Removal
3.7.4 Condenser Motor Removal
3.7.5 Evaporator Motor/Blower Assembly Removal
3.7.6 Compressor Replacement
3.7.7 Capacitor Removal
3.7.8 Remote Control (Fahrenheit to Celsius)
3.8 THERMOSTAT INSTALLATION AND START--UP INSTRUCTIONS (WALL MOUNTED)
3.8.1 Introduction
3.8.2 Installation
3.8.3 Thermostat Location
3.8.4 Install Thermostat -- 12VDC
3.9 LCD DISPLAY
3.9.1 Cool Only Thermostat (Part No. 1110--421)
3.9.2 Heat/Cool Thermostat (Part No. 1110--420)
3.10 SET THERMOSTAT CONFIGURATION
3.10.1 Enter Configuration Mode
3.11 CHECK THERMOSTAT OPERATION
3.11.1 Fan Operation (Cool Only)
3.11.2 Fan Operation (Heat/Cool)
3.11.3 Cooling Operation (Cool Only)
3.11.4 Cooling Operation (Heat/Cool)
3.11.5 Heating Operation (Heat/Cool)
3.12 CHECK THERMOSTAT OPERATION
3.12.1 Temperature Display
3.12.2 Timeguard Timer
3.12.3 Cycle Timer
3.12.4 Minimum On Timer
3.12.5 Error Messages
WIRING SCHEMATICS
4.1 INTRODUCTION
4.2 WALL MOUNTED THERMOSTATS
4.3 WALL--MOUNTED SENSOR FOR REMOTE CONTROL
LIST OF FIGURES
Figure 1--1 Model/Serial Number Plate (Typical)
Figure 1--2 Roof Unit (Standard) Component Identification
Figure 1--3 Ceiling Unit Component Identification (Free--Blow)
Figure 1--4 Component Identification -- Low Profile -- Upper Unit
Figure 1--5 Component Listing--Ceiling Unit For Ducted Systems
Figure 1--6 Unit Dimensions -- Top View -- Upper Unit (Roof) Installed
Figure 1--7 Unit Dimensions -- Standard -- Side View -- Roof + Ceiling
Figure 1--8 Unit Dimensions -- Low Profile -- Side View -- Roof + Ceiling
Figure 1--9 Unit Dimensions -- Ceiling Unit -- Bottom View
Figure 1--10 Ducted System Air Flow Arrangement
Figure 1--11 Serial Number Locations (Free--Blow)
Figure 1--12 Serial Number Locations (Ducted)
Figure 1--13 Refrigerant Flow Schematic (Standard System)
Figure 1--14 Refrigerant Flow Schematic -- Heat Pump -- (Cool Mode)
Figure 1--15 Refrigerant Flow Schematic -- Heat Pump -- (Heat Mode)
Figure 3--1 Filter Removal -- Free Blow
Figure 3--2 Ceiling Grill -- Free Blow
Figure 3--3 Ceiling Panel Assembly
Figure 3--4 Ceiling Panel With Heat Option
Figure 3--5 Control Box Assembly -- Free Blow
Figure 3--6 Indoor Thermostat
Figure 3--7 Air sweep motor
Figure 3--8 Heat Strip Assembly
Figure 3--9 Filter Removal -- Ducted Unit
Figure 3--10 Ceiling Grill -- Ducted
Figure 3--11 Control Box & PCB Cover
Figure 3--12 Control Box Assembly -- Ducted
Figure 3--13 Main/Display PCB’s
Figure 3--14 Dip Switch Function
Figure 3--15 Cover Assembly -- Standard
Figure 3--16 Control Box
Figure 3--17 Control Box Removal
Figure 3--18 Water Cover Removal
Figure 3--19 Upper Scroll Assembly
Figure 3--20 Motor Assembly
Figure 3--21 Spring Clamp Removal
Figure 3--22 Motor Clip Removal
Figure 3--23 Condenser Fan Removal
Figure 3--24 Blower Wheel
Figure 3--25 Condenser With Motor Assembly & Compressor
Figure 3--26 Set--Up For Discharging a Capacitor
Figure 3--27 Cover Assembly -- Low Profile
Figure 3--28 Upper Scroll Assembly Locking Tabs (b.) & Screw Locations (c.)
Figure 3--29 Upper Scroll Assembly Keeper Tab Release
Figure 3--30 Upper Scroll & Control Box Cover Removed
Figure 3--31 Condenser Fan Assembly& Retaining Ring
Figure 3--32 Condenser Fan Motor& Fan Assembly Stop
Figure 3--33 Condenser Fan Motor& Fan Assembly Tab
Figure 3--34 Condenser Motor Ground
Figure 3--35 Evaporator Motor Locking Tabs
Figure 3--36 Evaporator Motor/Blower Assembly
Figure 3--37 Evaporator Blower Wheel
Figure 3--38 Control Box Assembly With Capacitor
Figure 3--39 Remote Control Components
Figure 3--40 Remote Control PCB (FR9 Location) .
Figure 3--41 Wall Thermostat Wiring Diagram -- Cool Only Model
Figure 3--42 Wall Thermostat Wiring Diagram -- Heat/Cool Model
Figure 3--43 (Optional) Wall Thermostat Wiring Diagram -- Heat/Cool Model
Figure 4--1 Upper Unit Schematic -- Standard & HC
Figure 4--2 Upper Unit Schematic -- Low Profile
Figure 4--3 Ceiling Unit Schematic -- Cooling Only
Figure 4--4 Ceiling Unit Schematic -- Heat/Cool
Figure 4--5 Ceiling Unit, Standard -- Ducted
Figure 4--6 Heat Pump -- Upper Unit -- Free Blow
Figure 4--7 Heat Pump -- Ceiling Unit -- Free Blow
Figure 4--8 Heat Pump -- Upper Unit -- Standard -- Ducted
Figure 4--9 Heat Pump -- Upper Unit -- Low Profile -- Ducted
Figure 4--10 Heat Pump -- Ceiling Unit -- Ducted
Figure 4--11 Ceiling Unit -- Wall Thermostat -- Cool Only -- Ducted & Free Blow
Figure 4--12 Ceiling Unit -- Wall Thermostat -- Heat/Cool -- Free Blow
LIST OF TABLES
Table 1--1 Model Chart
Table 1--2 MODEL CHART
Table 1--3 ADDITIONAL SUPPORT MANUALS
Table 2--1 System Self--diagnostics Function (Ducted Remote)
Table 3--1 Resistance--Temperature Coefficient
Table 3--2 Resistance--Temperature Coefficient (IDC -- ODA -- ODC)
Air Conditioner Service Manual
DC Inverter Hi-Wall
42/38LUVH026K 09K HP R410A 1Ph,220-240V,50Hz
42/38LUVH034K 12K HP R410A 1Ph,220-240V,50Hz
42/38LUVH050K 18K HP R410A 1Ph,220-240V,50Hz
CONTENTS
1. Precaution
1.1 Safety Precaution
1.2 Warning
2. Function
3. Dimension
3.1 Indoor Unit
3.2 Outdoor Unit
4. Refrigerant cycle diagram
5. Wiring diagram
5.1 Indoor Unit
5.2 Outdoor Unit
6. Installation details
6.1 Wrench torque sheet for installation
6.2 Connecting the cables
6.3 Pipe length and the elevation
6.4 Air purging of the piping and indoor unit
6.5 Pumping down (Re-installation)
6.6 Re-air purging (Re-installation)
6.7 Balance refrigerant of the 2-way, 3-way valves
6.8 Evacuation
6.9 Gas charging
7. Capacity table
8.Electronic function
8.1 Abbreviation
8.2 Display function
8.3 Protection
8.4 Fan-Only Mode
8.5 Cooling Mode
8.6 Drying mode
8.7 Heating mode
8.8 Auto mode function
8.9 Forced operation function
8.10 Action of 4-way valve
8.11 Two speeds outdoor fan function
8.12 Timer function
8.13 Sleep function mode
8.14 Auto-Restart function
8.15 Ionizer/Plasma dust collector function(optional)
8.16 Outdoor chassis heating cable (optional)
9. Troubleshooting
9.1 Indoor Unit Error Display
9.2 Diagnosis and Solution
9.3 Key parts checking.
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Service manual 38MVC/40MVC 38MVQ/40MVQ Download View
Transport Air Conditioning
SERVICE MANUAL for MODEL AirV
Rooftop Air Conditioning Systems Download
Carrier 53 KLE
SERVICE & MAINTENANCE MANUAL Download
Carrier 53QH
TABLE OF CONTENTS
1. Precautions for Service & Maintenance
2. Split System Description
3. Unit Model Designation & Identification
4. Unit Models & Part Numbers
5. System Operating Limits
6. System Safety Protections
7. Exploded View of Indoor Unit
8. Part List of Indoor Unit
9. Exploded View of Outdoor Unit
10. Part List of Outdoor Unit
11. Wiring Diagrams
12. Field Electrical Connections Matching
13. Refrigeration Cycle
14. Self Diagnostic Function
15. Replacing Batteries of Remote Control
16. Emergency Operation of Air-Conditioner
17. Air Filter Cleaning
18. Periodical Checks
19. Trouble Shooting
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Carrier 53CCD
Contents
1. GENERAL INFORMATION 1
2. SYSTEM PROTECTIVE DEVICES 2
3. CONSIDERATIONS FOR OPTIMUM COMFORT & LOWEST CONSUMPTION 2
4. SPLIT SYSTEM DESCRIPTION 4
5. DESCRIPTION OF WIRED ROOM CONTROLLER & WIRELESS REMOTE CONTROL 5
6. CONSIDERATIONS FOR OPTIONAL WIRELESS REMOTE CONTROL 7
7. AIR FILTER CLEANING 8
8. PERIODICAL CHECKS 8
9. TROUBLE SHOOTING Download
SERVICE MANUAL
For AirV
AIR CONDITIONING AND
HEATING EQUIPMENT
MODELS
68RV11302A
68RV14102A
68RV14103A
68RV14112A
68RV15102A
68RV15103A Download
Carrier 30HR,HS070-225
Flotronic Reciprocating Liquid Chiller 50/60 Hz
Download here
Carrier 30RA010-055
AquaSnap® Air-Cooled Chillers
with ComfortLink™ Controls
50/60 Hz
Controls, Start-Up, Operation,
Service, and Troubleshooting
Download here
SERVICE MANUAL
RESIDENTIAL FAN COIL UNITS
FA4, FB4, FC4,
FD3, FE4, FF1,
FG3, FH4, FK4,
FV4, FX4, 40FK
Download here
Carrier Transicold OPERATION AND SERVICE MANUAL SPLIT--SYSTEMS Generation 4 & 5 BUS AIR CONDITIONING EQUIPMENT T--299 Rev C Change 06/10
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Table of Contents
SAFETY SUMMARY
SPECIFIC WARNINGS
DESCRIPTION
1.1 INTRODUCTION
1.2 WHAT IS AIR CONDITIONING
1.3 MODEL AND SERIAL NUMBER TAGS
1.3.1 PID Data Tag (Decal)
1.4 SYSTEM REQUIREMENTS LABEL
1.5 SYSTEM DESIGNATIONS
1.6 SYSTEM COMPONENTS
1.7 REFRIGERATION SYSTEM COMPONENT SPECIFICATIONS
1.8 COOLING CYCLE
1.9 HEATING CYCLE (If Applicable)
OPERATION
2.1 OPERATING INSTRUCTIONS
2.2 MANUAL CONTROLS
2.2.1 Driver’s Control Panel
2.2.2 Fan Speed Switch (three speed or variable)
2.2.3 Thermostat Control
2.2.4 Electrical Control Panel
2.3 FLORIDA CONTROL (TEMPCON)
2.3.1 ON/OFF Function
2.3.2 Fan Speed Switch -- 3 Speed
2.3.3 Adjusting Set Point (Interior Temperature Adjustment)
2.4 IN--LINE FUSE (FLORIDA CONTROL)
2.5 TOTAL CONTROL
2.5.1 Total Control Operation
2.6 GEN 4 -- WITH TOTAL CONTROL, UNIT OPERATING INSTRUCTIONS
2.7 PRE--TRIP INSPECTION
2.8 SEQUENCE OF OPERATION
2.8.1 Three Position Switch Operation
2.8.2 Variable Speed Control Operation
2.8.3 Total Control -- Gen 5 Operation
2.8.4 Total Control -- Gen 4 Operation
2.8.5 Heat Option
TROUBLESHOOTING
3.1 INSUFFICIENT OR NO COOLING
3.1.1 Preliminary Checks
3.1.2 Checking System Air Output
3.1.3 Check The Sight Glass For Bubbles
3.1.4 Compressor Amp Draw
3.2 SYSTEM WILL NOT COOL
3.3 SYSTEM RUNS BUT HAS INSUFFICIENT COOLING
SERVICE
4.1 PREVENTATIVE MAINTENANCE SCHEDULE
4.2 MAINTENANCE PROCEDURES
4.3 INSTALLING MANIFOLD GAUGES
4.4 REFRIGERANT RECOVERY
4.5 REFRIGERANT LEAK CHECKING
4.6 EVACUATION AND DEHYDRATION
4.6.1 General
4.6.2 Preparation
4.6.3 Procedure For Evacuation and Dehydrating System (Triple Evacuation)
4.7 PROCEDURE FOR EVACUATION AND DEHYDRATING SYSTEM (ONE TIME EVACUATION)
4.8 ADDING REFRIGERANT TO A SYSTEM
4.8.1 Checking Refrigerant Charge
4.8.2 Adding Full Charge
4.8.3 Adding Partial Charge
4.9 COMPRESSOR(S)
4.9.1 . Evaporator Tie-In
4.10 TORQUE SPECIFICATIONS -- REFRIGERANT FITTINGS
4.11 TORQUE SPECIFICATIONS -- BOLTS
4.11.1 Electrical Control Panel - Torque Values
4.12 DRIVE BELT INSTALLATION
4.12.1 Introduction
4.12.2 Belt Clearance
4.12.3 Pulley Alignment
4.12.4 Drive Belt Tension Guidelines
4.12.5 Measuring Methods for Belt Tension
4.13 RETURN AIR FILTER
4.13.1 GEN 4 (EXCEL) Series
4.13.2 GEN 5 Series
4.14 EVAPORATOR BLOWER AND/OR MOTOR ASSEMBLY
4.14.1 GEN 4 Series
4.14.2 GEN 5 Series
4.15 RESISTORS
4.15.1 GEN 4 Series (Excel)
4.15.2 GEN 5 Series
4.16 CONDENSER FAN ASSEMBLY
4.17 REPLACING THERMOSTATIC BLOCK VALVE
4.18 CHECKING AND REPLACING HIGH PRESSURE SWITCH
4.18.1 Replacing High or Low Pressure Switch
4.18.2 Checking High Pressure Switch
4.19 MOISTURE INDICATOR (SYSTEM)
4.20 FILTER-DRIER & RECEIVER--DRIER
ELECTRICAL SCHEMATIC DIAGRAMS
5.1 INTRODUCTION
LIST OF ILLUSTRATIONS
Figure 1-1 Condenser Model CM2/3 - Serial Number Location
Figure 1-2 GEN 4 Evaporator Model - Serial Number Location
Figure 1-3 GEN 5 Evaporator Model (All) - Serial Number Location
Figure 1-4 GEN 4, IW-2 & IW-7 - Serial Number Location
Figure 1-5 GEN 4, IW-1 - Serial Number Location
Figure 1-6 CM-7/11 Rooftop Condensers (No Longer Offered) - Serial Number Location
Figure 1-7 KR-2/KR-3 Rooftop Condensers - Serial Number/PID Location
Figure 1-8 System Requirements Label
Figure 1-9 Component Location Diagram
Figure 1-10 Air Conditioning Refrigerant Flow Diagram -- Small Split System
Figure 1-11 Heating System Flow Diagram (Typical)
Figure 2-1 Drivers Control Panel
Figure 2-2 Electrical Panel (Typical)
Figure 2-3 Switch Assembly (TEMPCON)
Figure 2-4 In--Line Fuse & Holder (3 Amp)
Figure 2-5 Total Control Key Pad/Display
Figure 2-6 Null Band
Figure 2-7 Total Control Electrical Control Panel (Typical)
Figure 4-1 Manifold Gauge Set
Figure 4-2 Refrigerant Service Connections (Split Systems)
Figure 4-1 Micro-Channel Style Condenser Assembly
Figure 4-3 Metric Bolt Markings
Figure 4-4 U.S. Bolt Markings
Figure 4-5 Belt Clearance Requirements
Figure 4-6 Belt Misalignment
Figure 4-7 Straight--Edge Application
Figure 4-8 GEN 4 Series Resistor Assembly
Figure 4-9. Checking High Pressure Switch
Figure 4-10 Filter Drier Removal
Figure 5-1 Electrical Schematic Diagram -- Symbols
Figure 5-2 Legend -- Electrical Schematic Diagrams
Figure 5-3 GEN 4 System Schematic -- EM--1 With CM--2/3
Figure 5-4 GEN 4 System Schematic -- EM--1 With CM--2/3 -- Tie--In
Figure 5-5 GEN 4 System Schematic -- EM--3 With (2) CM--3 Condensers & (2) Compressors
Figure 5-6 GEN 5 Evaporator (With Variable Speed Control) Schematic
Figure 5-7 GEN 5 System Schematic With Total Control
Figure 5-8 GEN 4 EM--3 With (2) CM--3 With Total Control -- System Schematic
Figure 5-9 GEN 4 Series With Total Control
LIST OF TABLES
Table 1-1 Additional Support Manuals
Table 3-1 Evaporator Current Draw (GEN 4)
Table 3-2 Evaporator Current Draw (GEN 5)
Table 3-3 Condenser Current Draw (GEN 5)
Table 3-4 GENERAL SYSTEM TROUBLESHOOTING PROCEDURES
Table 3-4 GENERAL SYSTEM TROUBLESHOOTING PROCEDURES -- Continued
Table 4-1 Split System Refrigerant And Oil Charging Table -- Thru GEN 4
Table 4-2 SPLIT SYSTEM REFRIGERANT AND OIL CHARGING TABLE (GEN--5)
Table 4-3 SPLIT--SYSTEM GEN--5 WITH MICRO--CHANNEL CONDENSER
Table 4-4 Compressor Oil Type & Part Numbers
Table 4-5 CARRIER TRANSPORT AIR CONDITIONING SYSTEM PERFORMANCE CHART
Table 4-6 STANDARD TORQUE REQUIREMENTS
Table 4-7 Metric Torque Specs
Table 4-8 U.S. Torque Specs
Table 4-9 Belt Tension Guide
Table 4-10 R-134a Temperature - Pressure Chart
Carrier 53H SERVICE & MAINTENANCE MANUAL
TABLE OF CONTENTS
1. Precautions for Service & Maintenance
2. Split System Description
3. Unit Model Designation & Identification
4. Unit Models & Part Numbers
5. System Operating Limits
6. System Safety Protections
7. Exploded View of Indoor Unit
8. Part List of Indoor Unit
9. Exploded View of Outdoor Unit
10. Part List of Outdoor Unit
11. Wiring Diagrams
12. Field Electrical Connections Matching
13. Refrigeration Cycle
14. Self Diagnostic Function
15. Replacing Batteries of Remote Control
16. Emergency Operation of Air-Conditioner
17. Air Filter Cleaning
18. Periodical Checks
19. Trouble Shooting
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Circuit Board Replacement Kit For FA4A, FB4A, FC4B, 40YR, 40YA, 617A, 618A Fan Coils
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SERVICE MANUAL FOR 6700, 7000, 8000 & 9000 SERIES AIR CONDITIONERS (MECHANICAL CONTROLS ONLY)
TABLE OF CONTENTS Basic Components and Their Functions Refrigeration System Diagram I. Refrigeration Circuit II. Air Handling Circuits III. Electric Power Circuits IV. Tools And Equipment . V. Service Problems And Their Solutions VI. Typical Wiring Diagrams Download here View
1. Introduction 1.1 Safety Cautions Part 1 List of Functions 1. List of Functions Part 2 Specifications 1. Specifications Part 3 Printed Circuit Board Connector Wiring Diagram 1. Printed Circuit Board Connector Wiring Diagram 1.1 FTXS09/12DVJU 1.2 FTXS15/18/24DVJU 1.3 FDXS09/12DVJU 1.4 RXS09/12DVJU 1.5 RXS15/18/24DVJU Part 4 Function and Control 1. Main Functions 1.1 Frequency Principle 1.2 Power-Airflow Dual Flaps, Wide-Angle Louvres and Auto-Swing (Only for the Single Split Duct-Free System) 1.3 Fan Speed Control for Indoor Units 1.4 Program Dry Function 1.5 Automatic Operation 1.6 Thermostat Control 1.7 NIGHT SET Mode 1.8 INTELLIGENT EYE 1.9 HOME LEAVE Operation 1.10 Inverter Powerful Operation 1.11 Other Functions 2. Function of Thermistor 2.1 Heat Pump Model 3. Control Specification (09/12 Class) 3.1 Mode Hierarchy 3.2 Frequency Control 3.3 Controls at Mode Changing / Start-up 3.4 Discharge Pipe Control 3.5 Input Current Control 3.6 Freeze-up Protection Control 3.7 Heating Peak-cut Control 3.8 Fan Control 3.9 Liquid Compression Protection Function 2 3.10 Defrost Control 3.11 Electronic Expansion Valve Control 3.12 Malfunctions 3.13 Forced Operation Mode 3.14 Additional Function 4. Control Specification (15/18/24 Class) 4.1 Mode Hierarchy 4.2 Frequency Control 4.3 Controls at Mode Changing / Start-up 4.4 Discharge Pipe Temperature Control 4.5 Input Current Control 4.6 Freeze-up Protection Control 4.7 Heating Peak-cut Control 4.8 Fan Control 4.9 Liquid Compression Protection Function 2 4.10 Low Hz High Pressure Limit 4.11 Defrost Control 4.12 Electronic Expansion Valve Control 4.13 Malfunctions 4.14 Forced Operation Mode 4.15 Additional Function Part 5 System Configuration 1. System Configuration 2. Instruction 2.1 Safety Precautions 2.2 The Single Split Duct-Free System FTXS09/12DVJU 2.3 The Single Split Duct-Free System FTXS15/18/24DVJU 2.4 The Slim Duct Built-in System FDXS09/12DVJU Part 6 Service Diagnosis 1. Caution for Diagnosis 2. Problem Symptoms and Measures 3. Service Check Function 4. Troubleshooting 4.1 Error Codes and Description 4.2 Indoor Unit PCB Abnormality 4.3 Freeze-up Protection Control or High Pressure Control 4.4 Fan Motor or Related Abnormality 4.5 Thermistor or Related Abnormality (Indoor Unit) 4.6 Signal Transmission Error (between Indoor and Outdoor Unit) 4.7 OL Activation (Compressor Overload) 4.8 Compressor Lock 4.9 DC Fan Lock 4.10 Input Over Current Detection 4.11 Four Way Valve Abnormality 4.12 Discharge Pipe Temperature Control 4.13 High Pressure Control in Cooling 4.14 Position Sensor Abnormality 4.15 DC Voltage / Current Sensor Abnormality 4.16 CT or Related Abnormality 4.17 Thermistor or Related Abnormality (Outdoor Unit) 4.18 Electrical Box Temperature Rise 4.19 Radiation Fin Temperature Rise 4.20 Output Over Current Detection 4.21 Insufficient Gas 4.22 Over-voltage Detection 4.23 Low-voltage Detection 5. Check 5.1 How to Check Part 7 Removal Procedure 1. FTXS09/12DVJU 1.1 Removal of Air Filter 1.2 Removal of Front Grille 1.3 Removal of Horizontal Blade and Vertical Blade 1.4 Removal of Electrical Box, PCB and Swing Motor 1.5 Removal of Heat Exchanger 1.6 Install of Drain Plug 1.7 Removal of Fan Rotor and Fan Motor 2. FTXS15/18/24DVJU 2.1 Removal of the Air Filter / Front Panel 2.2 Removal of the Front Grille 2.3 Removal of the Horizontal Blades / Vertical Blades 2.4 Removal of the Electrical Box / PCB / Swing Motor 2.5 Removal of the Heat Exchanger 2.6 Removal of the Fan Rotor / Fan Motor 3. RXS09/12DVJU 3.1 Removal of Panels and Fan Motor 3.2 Removal of Electrical Box 3.3 Removal of Reactor and Partition Plate 3.4 Removal of Sound Blanket 3.5 Removal of Four Way Valve 3.6 Removal of Compressor 3.7 Removal of PCB 4. RXS15/18/24DVJU 4.1 Removal of the Panels and Plates 4.2 Removal of the Fan Motor / Propeller Fan 4.3 Removal of the PCB / Electrical Box 4.4 Removal of the Reactor 4.5 Removal of the Sound Blanket 4.6 Removal of the Four Way Valve 4.7 Removal of the Electronic Expansion Valve 4.8 Removal of the Compressor Part 8 Others 1. Others 1.1 Test Run from the Remote Controller 1.2 Jumper Settings Part 9 Appendix 1. Piping Diagrams 1.1 Indoor Units 1.2 Outdoor Units 2. Wiring Diagrams 2.1 Indoor Units 2.2 Outdoor Units Index Drawings & Flow Charts
Inverter Pair E-Series Heat Pump Indoor Units FTXR28EV1B FTXR42EV1B FTXR50EV1B Outdoor Units RXR28EV1B RXR42EV1B RXR50EV1B
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Service Manual Inverter Pair Wall Mounted Type K-Series [Applied Models] Inverter Pair : Cooling Only Inverter Pair : Heat Pump Cooling Only
Indoor Unit
FTXN09KEVJU
FTXN12KEVJU
FTXN15KVJU
FTXN18KVJU
FTXN24KVJU
Outdoor Unit
RKN09KEVJU
RKN12KEVJU
RKN15KEVJU
RKN18KEVJU
RKN24KEVJU
Heat Pump
Indoor Unit
FTXN09KEVJU
FTXN12KEVJU
FTXN15KVJU
FTXN18KVJU
FTXN24KVJU
Outdoor Unit
RXN09KEVJU
RXN12KEVJU
RXN15KEVJU
RXN18KEVJU
RXN24KEVJU
Table of Contents :
Safety Consideration
Part 1 List of Functions
1. Functions
Part 2 Specifications
1. Specifications
1.1 Cooling Only
1.2 Heat Pump
Part 3 Printed Circuit Board Connector Wiring Diagram
1. Indoor Unit
1.1 09/12 Class
1.2 15/18/24 Class
2. Outdoor Unit
2.1 09/12 Class
2.2 15/18/24 Class
Part 4 Function and Control
1. Main Functions
1.1 Temperature Control
1.2 Frequency Principle
1.3 Airflow Direction Control
1.4 Fan Speed Control for Indoor Unit
1.5 Program Dry Operation
1.6 Automatic Operation
1.7 Thermostat Control
1.8 NIGHT SET Mode
1.9 ECONO Operation
1.10 Inverter POWERFUL Operation
1.11 Other Functions
2. Function of Thermistor
3. Control Specification
3.1 Mode Hierarchy
3.2 Frequency Control
3.3 Controls at Mode Changing / Start-up
3.4 Discharge Pipe Temperature Control
3.5 Input Current Control
3.6 Freeze-up Protection Control
3.7 Heating Peak-cut Control
3.8 Outdoor Fan Control
3.9 Liquid Compression Protection Function
3.10 Defrost Control
3.11 Electronic Expansion Valve Control
3.12 Malfunctions
Part 5 Operation Manual
1. System Configuration
2. 09/12 Class
2.1 Remote Controller
2.2 AUTO · DRY · COOL · HEAT · FAN Operation
2.3 Adjusting the Airflow Direction and Rate
2.4 COMFORT AIRFLOW Operation
2.5 POWERFUL Operation
2.6 ECONO Operation
2.7 OFF TIMER Operation
2.8 ON TIMER Operation
3. 15/18/24 Class
3.1 Remote Controller
3.2 AUTO · DRY · COOL · HEAT · FAN Operation
3.3 Adjusting the Airflow Direction and Rate
3.4 POWERFUL Operation
3.5 OFF TIMER Operation
3.6 ON TIMER Operation
Part 6 Service Diagnosis
1. Troubleshooting with LED
1.1 Indoor Unit
1.2 Outdoor Unit
2. Problem Symptoms and Measures
3. Service Check Function
4. Troubleshooting
4.1 Error Codes and Description
4.2 Indoor Unit PCB Abnormality
4.3 Freeze-up Protection Control or Heating Peak-cut Control
4.4 Fan Motor (DC Motor) or Related Abnormality
4.5 Thermistor or Related Abnormality (Indoor Unit)
4.6 Signal Transmission Error (between Indoor Unit and Outdoor Unit)
4.7 Unspecified Voltage (between Indoor Unit and Outdoor Unit)
4.8 Outdoor Unit PCB Abnormality
4.9 OL Activation (Compressor Overload)
4.10 Compressor Lock
4.11 DC Fan Lock
4.12 Input Overcurrent Detection
4.13 Four-Way Valve Abnormality
4.14 Discharge Pipe Temperature Control
4.15 High Pressure Control in Cooling
4.16 Compressor System Sensor Abnormality
4.17 Position Sensor Abnormality
4.18 DC Voltage / Current Sensor Abnormality (09/12 Class Only)
4.19 Thermistor or Related Abnormality (Outdoor Unit)
4.20 Electrical Box Temperature Rise
4.21 Radiation Fin Temperature Rise
4.22 Output Overcurrent Detection
4.23 Refrigerant Shortage
4.24 Low-voltage Detection or Over-voltage Detection
5. Check
5.1 Thermistor Resistance Check
5.2 Fan Motor Connector Output Check
5.3 Power Supply Waveforms Check
5.4 Electronic Expansion Valve Check
5.5 Four-Way Valve Performance Check
5.6 Inverter Unit Refrigerant System Check
5.7 “Inverter Checker” Check
5.8 Rotation Pulse Check on the Outdoor Unit PCB
5.9 Installation Condition Check
5.10 Discharge Pressure Check
5.11 Outdoor Fan System Check
5.12 Main Circuit Short Check
5.13 Power Module Check
Part 7 Removal Procedure
1. Indoor Unit: 09/12 Class
1.1 Removal of Air Filters
1.2 Removal of Horizontal Blade
1.3 Removal of Front Panel
1.4 Removal of Front Grille
1.5 Removal of Electrical Box / Vertical Blades
1.6 Removal of Swing Motor / PCBs
1.7 Removal of Indoor Heat Exchanger
1.8 Removal of Fan Rotor / Fan Motor
1.9 Exchange of Piping Direction (Drain Hose)
2. Indoor Unit: 15/18/24 Class
2.1 Removal of Air Filters / Front Panel
2.2 Removal of Front Grille
2.3 Removal of Horizontal Blades / Vertical Blades
2.4 Removal of Electrical Box / PCBs / Swing Motors
2.5 Removal of Indoor Heat Exchanger
2.6 Removal of Fan Motor / Fan Rotor
3. Outdoor Unit: 09/12 Class
3.1 Removal of Outer Panels
3.2 Removal of Outdoor Fan / Fan Motor
3.3 Removal of Electrical Box / PCB
3.4 Removal of Sound Blankets
3.5 Removal of Four-Way Valve
3.6 Removal of Compressor
4. Outdoor Unit: 15/18/24 Class
4.1 Removal of Outer Panels
4.2 Removal of Outdoor Fan / Fan Motor
4.3 Removal of Electrical Box
4.4 Removal of PCBs
4.5 Removal of Sound Blankets
4.6 Removal of Electronic Expansion Valve AssemblyASSY
4.7 Removal of Four-Way Valve
4.8 Removal of Compressor
Part 8 Trial Operation and Field Settings
1. Pump Down Operation
2. Forced Cooling Operation
3. Trial Operation
4. Field Settings
4.1 Model Type Setting
4.2 Temperature Display Switch
4.3 When 2 Units are Installed in 1 Room
4.4 Facility Setting Switch (cooling at low outdoor temperature)
4.5 Jumper Settings
5. Application of Silicon Grease to a Power Transistor and a Diode Bridge
Part 9 Appendix
1. Piping Diagrams
1.2 Outdoor Unit
2. Wiring Diagrams
2.1 Indoor Unit
2.2 Outdoor Unit
DAIKIN Pocket Manual Service Diagnosis SPLIT & MULTI
Table of Contents :
Service Diagnosis
SPLIT & MULTI
1. Troubleshooting with LED
1.1 Indoor Unit
1.2 Outdoor Unit
2. Troubleshooting by Symptoms
2.1 Air conditioner does not run
2.2 Air conditioner runs but does not cool (heat) the room
2.3 When operation starts, safety breaker works.
2.4 Air conditioner makes big noise and vibration
2.5 Air is not humidified enough (for humidifying type unit)
3. Service Check Function
3.1 Check Method 1
3.2 Check Method 2
3.3 ARC447A1, A2, A3
4. List of Applicable Models
4.1 Indoor Unit
4.2 Outdoor Unit
5. Error Codes and Description
5.1 Indoor Unit
5.2 Outdoor Unit
6. Troubleshooting by Error Code
6.1 Indoor Unit PCB Abnormality
6.2 Drain Water Level or Related Abnormality
6.3 Freeze-up Protection Control or Heating Peak-cut Control
6.4 Fan Motor or Related Abnormality
6.5 Radiant Panel Temperature Rise, Indoor Electronic Expansion Valve (Motor Operated Valve) Abnormality, Freeze-up Protection Control
6.6 Streamer Unit Abnormality
6.7 Cleaning Unit System Abnormality
6.8 Thermistor or Related Abnormality (Indoor Unit)
6.9 Shutter Drive Motor / Shutter Limit
Switch Abnormality
6.10Front Panel Open / Close Fault
6.11Grille Locking Abnormality, Panel Up
and Down / Storage / Locking Abnormality
6.12Humidity Sensor Abnormality
6.13Lights-out of Microcomputer Status Lamp
6.14Refrigerant Shortage
6.15Low-voltage Detection or Over-voltage Detection
6.16Low-voltage Detection
6.17Signal Transmission Error (between Indoor Unit and Outdoor Unit)
6.18Outdoor Unit PCB Abnormality or Communication Circuit Abnormality
6.19Signal Transmission Error on Outdoor Unit PCB
6.20Incomplete Setting for Hose Length
6.21Unspecified Voltage (between Indoor Unit and Outdoor Unit)
6.22Unspecified Voltage (between Indoor Unit and Outdoor Unit) / Anti-icing Function in Other Rooms
6.23Anti-icing Function
6.24Outdoor Unit PCB Abnormality
6.25OL Activation (Compressor Overload)
6.26Compressor Lock
6.27DC Fan Lock
6.28Input Overcurrent Detection
6.29Four Way Valve Abnormality
6.30Discharge Pipe Temperature Control
6.31High Pressure Control in Cooling
6.32Compressor System Sensor Abnormality
6.33Damper Abnormality
6.34Position Sensor Abnormality
6.35DC Voltage / Current Sensor Abnormality
6.36CT or Related Abnormality
6.37Thermistor or Related Abnormality (Outdoor Unit)
6.38Electrical Box Temperature Rise
6.39Radiation Fin Temperature Rise
6.40Output Overcurrent Detection
6.41Fan Motor System Abnormality / Fan Lock
6.42Heater Wire Abnormality
6.43Humidifying Thermistor Abnormality / Humidifying Heater Temperature Abnormality
7. Check
7.1 Thermistor Resistance Check
7.2 Fan Motor Connector Check
7.3 Fan Motor Connector Check
7.4 Hall IC Check
7.5 Indoor Electronic Expansion Valve Coil Check
7.6 Humidity Sensor Check
7.7 Limit Switch Continuity Check
7.8 Power Supply Waveform Check
7.9 Outdoor Electronic Expansion Valve Check
7.10Four Way Valve Performance Check
7.11Inverter Unit Refrigerant System Check
7.12“Inverter Checker” Check
7.13Rotation Pulse Check on the Outdoor Unit PCB
7.14Installation Condition Check
7.15Discharge Pressure Check
7.16Outdoor Fan System Check
7.17Main Circuit Short Check
7.18Capacitor Voltage Check
7.19Power Module Check
7.20Dehumidifying Solenoid Valve Check
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Part 1 General Information
1. Product Outline
1.1 Model Names of Indoor/Outdoor Units
1.2 External Appearance
1.3 Model Selection
2. Points to Bear in Mind at the System Design
2.1 Points Relating to the Performance of the Air Conditioning Units
2.2 The Installation is of Vital Importance
2.3 Striking a Balance between System Installation and General
Construction Work (Comprehensive Flow Chart
2.4 Points to Bear in Mind when Preparing the Contract Drawings
3. Installation
3.1 Step by Step Installation Procedure
3.2 Work Involved in Individual Operations and Points to be Borne in Mind
4. Test Operation
4.1 Procedure and Outline
4.2 Operation When Power is Turned On
4.3 Outdoor Unit PC Board Layout
4.4 Field Setting
5. Caution for Refrigerant Leaks
5.1 Caution for Refrigerant Leaks
6. Hand Over to Customer
6.1 Operational Steps
7. Appendix
7.1 Operating Noise of Indoor Units
7.2 Allowable Piping Length
7.3 Refrigerant branch kit selection
7.4 Pipe size selection
7.5 How to calculate the additional refrigerant to be charged
7.6 REFNET Pipe Connections for VRVII R410A Series
7.7 VRV Inspection Sheet
7.8 Piping System Diagrams
7.9 Wiring Diagrams
7.10 Bad Examples and Good Examples in Installation
Part 2 Installation Manual Outdoor Unit
1. Introduction
1.1 Combination
1.2 Standard Operation Limit
1.3 Standard Supplied Accessories
1.4 Option Accessory
1.5 Technical Specifications
1.6 Electrical Specifications
2. Main Components
3. Selection of Location
4. Inspecting and Handling the Unit
5. Unpacking and Placing the Unit
6. Refrigerant Piping
6.1 Selection of Piping Material
6.2 Connecting the Refrigerant Piping
6.3 Example of Connection
6.4 Leak Test and Vacuum Drying
6.5 Pipe Insulation
6.6 Additional Refrigerant Charge
7. Field Wiring
7.1 Optional Parts Cool/Heat Selector
7.2 Power Circuit and Cable Requirements
7.3 General
7.4 Examples
8. Before Operation
8.1 Checks before Initial Start-up
8.2 Test Run
9. Caution for Refrigerant Leaks
Part 3 Operation Manual Outdoor Unit
1. Safety Considerations
2. What to do before Operation
3. Remote Controller and Changeover Switch: Name and Function of Each Switch and Display
4. Operation Range
5. Operation Procedure
5.1 Cooling, Heating, and Fan Only Operation
5.2 Program Dry Operation
5.3 Adjusting the Air Flow Direction
5.4 Programming Start and Stop of the System with Timer
5.5 Setting the Master Remote Controller
5.6 Precautions for Group Control System or Two Remote Controller Control System
6. Optimum Operation
7. Following Symptoms are not Air Conditioner Troubles
7.1 The System does not Operate
7.2 Cool/Heat Cannot be Changed Over
7.3 Fan Operation is Possible, but Cooling and Heating do not Work
7.4 The Fan Strength does not Correspond to the Setting
7.5 The Fan Direction does not Correspond to the Setting
7.6 White Mist comes out of a Unit
7.7 Noise of Air Conditioners
7.8 Dust comes out of the Unit
7.9 The Units can Give off Odours
7.10 The Outdoor Unit Fan does not Spin
7.11 The Display Shows "88"
7.12 The Compressor in the Outdoor Unit does not Stop after a
Short Heating Operation
7.13 The Inside of an Outdoor Unit is Warm Even When
the Unit has Stopped
8. Trouble Shooting
Part 4 Precautions for New Refrigerant (R410A)
1. Precautions for New Refrigerant (R410A)
1.1 Outline
1.2 Refrigerant Cylinders
1.3 Service Tools
Index
Drawings & Flow Charts
Table of Content
1. Introduction
1.1 Safety Cautions
Part 1 List of Functions
1. List of Functions
1.1 Cooling Only Models
1.2 Heat Pump Models
Part 2 Specifications
1. Specifications
1.1 Indoor Units - Cooling Only
1.2 Outdoor Units - Cooling Only
1.3 Indoor Units - Heat Pump
1.4 Outdoor Units - Heat Pump
Part 3 Printed Circuit Board Connector Wiring Diagram
1. Printed Circuit Board Connector Wiring Diagram
1.1 Wall Mounted Type
1.2 Duct Connected Type
1.3 Floor / Ceiling Suspended Dual Type
1.4 Floor Standing Type
1.5 Outdoor Units
Part 4 Function and Control
1. Main Functions
1.1 Frequency Principle
1.2 Power-Airflow Dual Flaps, Wide Angle Louvers and Auto-Swing
1.3 Operation Starting Contro
1.4 Fan Speed Control for Indoor Units
1.5 Programme Dry Function
1.6 Automatic Operation
1.7 Thermostat Control
1.8 Night Set Mode
1.9 ECONO Mode
1.10 INTELLIGENT EYE (Wall Mounted Type only)
1.11 HOME LEAVE Operation
1.12 Inverter POWERFUL Operation
1.13 Other Functions
2. Function of Main Structural Parts
2.1 Main Structural Parts
2.2 Function of Thermistor
3. Control Specification
3.1 Mode Hierarchy
3.2 Frequency Control
3.3 Controls at Mode Changing / Start-up
3.4 Discharge Pipe Control
3.5 Input Current Control
3.6 Freeze-up Protection Control
3.7 Heating Peak-cut Control
3.8 Fan Control
3.9 Liquid Compression Protection Function 2
3.10 Defrost Control
3.11 Low Hz High Pressure Limit
3.12 Electronic Expansion Valve Control
3.13 Malfunctions
3.14 Forced Operation Mode
3.15 Wiring-Error Check
3.16 Additional Function
Part 5 System Configuration
1. System Configuration
1.1 Operation Instructions
2. Instruction
2.1 Manual Contents and Reference Page
2.2 Safety Precautions
2.3 Names of Parts
2.4 Preparation Before Operation
2.5 AUTO • DRY • COOL • HEAT • FAN Operation
2.6 Adjusting the Air Flow Direction
2.7 POWERFUL Operation
2.8 OUTDOOR UNIT SILENT Operation
2.9 ECONO Operation
2.10 HOME LEAVE Operation
2.11 INTELLIGENT EYE Operation
2.12 TIMER Operation
2.13 Note for Multi System
2.14 Care and Cleaning
2.15 Troubleshooting
Part 6 Service Diagnosis
1. Caution for Diagnosis
1.1 Troubleshooting with Operation Lamp
2. Problem Symptoms and Measures
3. Service Check Function
4. Code Indication on the Remote Controller
4.1 Error Codes and Description of Fault
5. Troubleshooting
5.1 Indoor Units
5.2 Outdoor Units
5.3 Indoor Unit PCB Abnormality
5.4 Freeze-up Protection Control or High Pressure Control
5.5 Fan Motor or Related Abnormality
5.6 Thermistor or Related Abnormality (Indoor Unit)
5.7 Shutter Drive Motor / Shutter Limit Switch Abnormality
5.8 Front Panel Open / Close Fault
5.9 Signal Transmission Error (between Indoor and Outdoor Units)
5.10 Unspecified Voltage (between Indoor and Outdoor Units)
5.11 Freeze-up Protection Control
5.12 OL Activation (Compressor Overload)
5.13 Compressor Lock
5.14 DC Fan Lock
5.15 Input Over Current Detection
5.16 Four Way Valve Abnormality
5.17 Discharge Pipe Temperature Control
5.18 High Pressure Control in Cooling
5.19 Position Sensor Abnormality
5.20 CT or Related Abnormality
5.21 Thermistor or Related Abnormality (Outdoor Unit)
5.22 Electrical Box Temperature Rise
5.23 Radiation Fin Temperature Rise
5.24 Output Over Current Detection
5.25 Insufficient Gas
5.26 Low-voltage Detection
5.27 Anti-icing Function in Other Rooms / Unspecified Voltage (between Indoor and Outdoor Units)
6. Check
6.1 How to Check
Part 7 Removal Procedure
1. Outdoor Unit (80 / 90 Class)
1.1 Removal of Outer Panels
1.2 Removal of Propeller Fans
1.3 Removal of Electrical Box
1.4 Removal of PCB
1.5 Removal of Fan Motor
1.6 Removal of Electronic Expansion Valve and Thermistor
1.7 Removal of Sound Blanket and Reactor
1.8 Removal of Shunt
1.9 Removal of Solenoid Valve and Four Way Valve
1.10 Removal of Compressor
2. Outdoor Unit (68 / 75 Class)
2.1 Removal of Outer Panels
2.2 Removal of Electrical BOX
2.3 Removal of PCB
2.4 Removal of Fan Motor
2.5 Removal of Sound Blanket
2.6 Removal of Four Way Valve Coil, Solenoid Valve Coil, Electronic Expansion Valve Coil and Thermistor
2.7 Removal of Four Way Valve, Solenoid Valve and Shunt
2.8 Removal of Solenoid Valve and Shunt
2.9 Removal of Compressor
Part 8 Others
1. Others
1.1 Test Run from the Remote Controller
1.2 Jumper Settings
Part 9 Appendix
1. Piping Diagrams
1.1 Indoor Units
1.2 Outdoor Units
2. Wiring Diagrams
2.1 Indoor Units
2.2 Outdoor Units
DAIKIN SERVICE MANUAL INVERTER PAIR WALL MOUNTED TYPE H-SERIES Indoor Units FTXS30HVJU FTXS36HVJU
Outdoor Units RXS30HVJU RXS36HVJU
Inverter Pair H-Series
Table of Contents
Table of Contents
Part 1
List of Functions
1. List of Functions
Part 2
Specifications
1. Specifications
Part 3
Printed Circuit Board
Connector Wiring Diagram
1. Printed Circuit Board Connector Wiring Diagram
1.1 Indoor Unit
1.2 Outdoor Unit
Part 4
Function and Control
1. Main Functions
1.1 Frequency Principle
1.2 Airflow Direction Control
1.3 Fan Speed Control for Indoor Units
1.4 Program Dry Function
1.5 Automatic Operation
1.6 Thermostat Control
1.7 NIGHT SET Mode
1.8 ECONO Mode
1.9 INTELLIGENT EYE
1.10 Inverter POWERFUL Operation
1.11 Other Functions
2. Function of Thermistor
3. Control Specification
3.1 Mode Hierarchy
3.2 Frequency Control
3.3 Controls at Mode Changing / Start-up
3.4 Discharge PipeTemperature Control
3.5 Input Current Control
3.6 Freeze-up Protection Control
3.7 Heating Peak-Cut Control
3.8 Fan Control
3.9 Liquid Compression Protection Function 2
3.10 Defrost Control
3.11 Electronic Expansion Valve Control
3.12 Malfunctions
3.13 Forced Operation Mode
3.14 Additional Functions
3.15 Facility Setting Switch (cooling at low outdoor temperature)
Part 5
Operation Manual
1. System Configuration
2. Instruction
2.1 Remote Controller
2.2 AUTO · DRY · COOL · HEAT · FAN Operation
2.3 Adjusting the Airflow Direction
2.4 COMFORT AIRFLOW Operation
2.5 INTELLIGENT EYE Operation
2.6 POWERFUL Operation
2.7 OUTDOOR UNIT QUIET Operation
2.8 ECONO Operation
2.9 TIMER Operation
2.10 WEEKLY TIMER Operation
Part 6
Service Diagnosis
1. Caution for Diagnosis
2. Problem Symptoms and Measures
3. Service Check Function
4. Troubleshooting
4.1 Error Codes and Description
4.2 Indoor Unit PCB Abnormality
4.3 Freeze-up Protection Control or High Pressure Control
4.4 Fan Motor (DC Motor) or Related Abnormality
4.5 Thermistor or Related Abnormality (Indoor Unit)
4.6 Signal Transmission Error (between Indoor and Outdoor Unit)
4.7 Unspecified Voltage (between Indoor and Outdoor Units)
4.8 Outdoor Unit PCB Abnormality
4.9 OL Activation (Compressor Overload)
4.10 Compressor Lock
4.11 DC Fan Lock
4.12 Input Overcurrent Detection
4.13 Four-Way Valve Abnormality
4.14 Discharge Pipe Temperature Control
4.15 High Pressure Control in Cooling
4.16 Compressor System Sensor Abnormality
4.17 Position Sensor Abnormality
4.18 CT or Related Abnormality
4.19 Thermistor or Related Abnormality (Outdoor Unit)
4.20 Electrical Box Temperature Rise
4.21 Radiation Fin Temperature Rise
4.22 Output Overcurrent Detection
4.23 Insufficient Gas
4.24 Low-voltage Detection or Over-voltage Detection
4.25 Signal Transmission Error on Outdoor Unit PCB
5. Check
5.1 How to Check
Part 7
Removal Procedure
1. Indoor Unit
1.1 Removal of Air Filter / Front Panel
1.2 Removal of Front Grille
1.3 Removal of Electrical Box
1.4 Removal of PCB
1.5 Removal of Horizontal Blades (Louvers)/Vertical blades(Fins)/Swing Motors
1.6 Removal of Fan Motor
1.7 Removal of Heat Exchanger
1.8 Removal of Fan Rotor
2. Outdoor Unit
2.1 Removal of Outer Panels
2.2 Removal of the Electrical Box
2.3 Removal of PCB
2.4 Removal of Fan Motor
2.5 Removal of Coils / Thermistors
2.6 Removal of Sound Blanket
2.7 Removal of Compressor
Part 8
Other Considerations
1. Other Considerations
1.1 Trial Operation from the Remote Controller
1.2 Jumper Settings
1.3 Application of Silicon Grease to athe Power Transistor and a Diode Bridge .
Part 9
Appendix
1. Piping Diagrams
2. Wiring Diagrams
Index
Drawings & Flow Charts
Cooling Only Outdoor Unit 2MKS40FV1B Indoor Unit FTKS25DVM FTKS35DVM FDKS25CAVMB FDKS35CAVMB FDKS25EAVMB FDKS35EAVMB
Heat Pump Outdoor Unit 2MXS50FV1B Indoor Unit FTXS25EVMA FTXS35EVMA FDXS25CVMA FDXS35CVMA CDXS25EAVMA CDXS35EAVMA
Table of Contents
Table of Contents
1. Introduction
1.1 Safety Cautions
1.2 Used Icons
Part 1 List of Functions
1. Cooling Only
2. Heat Pump
Part 2 Specifications
1. Cooling Only
1.1 Indoor Units
1.2 Outdoor Units
2. Heat Pump
2.1 Indoor Units
2.2 Outdoor Units
Part 3 Printed Circuit Board Connector Wiring Diagram
1. Printed Circuit Board Connector Wiring Diagram
1.1 Wall Mounted Type
1.2 Duct Connected Type
1.3 Outdoor Unit
Part 4 Function and Control
1. Main Functions
1.1 Frequency Principle
1.2 Power-Airflow Dual Flaps, Wide-Angle Louvers and Auto-Swing
1.3 Fan Speed Control for Indoor Units
1.4 Programme Dry Function
1.5 Automatic Operation
1.6 Thermostat Control
1.7 Night Set Mode
1.8 ECONO Mode
1.9 INTELLIGENT EYE
1.10 HOME LEAVE Operation
1.11 Inverter POWERFUL Operation
1.12 Other Functions
1.13 Function of Thermistor
2. Control Specification
2.1 Mode Hierarchy
2.2 Frequency Control
2.3 Controls at Mode Changing / Start-up
2.4 Discharge Pipe Temperature Control
2.5 Input Current Control
2.6 Freeze-up Protection Control
2.7 Heating Peak-cut Control
2.8 Fan Control
2.9 Liquid Compression Protection Function 2
2.10 Defrost Control
2.11 Electronic Expansion Valve Control ..
2.12 Malfunctions
2.13 Forced Operation Mode
2.14 Additional Function
Part 5 Operation Manual
1. System Configuration
1.1 Operation Instructions
2. Instruction
2.1 Manual Contents and Reference Page
2.2 Safety Precautions
2.3 Names of Parts
2.4 Preparation Before Operation
2.5 AUTODRYCOOLHEATFAN Operation
2.6 Adjusting the Air Flow Direction
2.7 POWERFUL Operation
2.8 OUTDOOR UNIT QUIET Operation
2.9 ECONO Operation
2.10 HOME LEAVE Operation
2.11 MOLD PROOF Operation
2.12 INTELLIGENT EYE Operation
2.13 TIMER Operation
2.14 Note for Multi System
2.15 Care and Cleaning
2.16 Troubleshooting
Part 6 Service Diagnosis
1. Caution for Diagnosis
2. Problem Symptoms and Measures
3. Service Check Function
3.1 Check Method 1
3.2 Check Method 2
4. Troubleshooting
4.1 Error Codes and Description
4.2 Indoor Unit PCB Abnormality
4.3 Freeze-up Protection Control or High Pressure Control
4.4 Fan Motor or Related Abnormality
4.5 Thermistor or Related Abnormality (Indoor Unit)
4.6 Front Panel Open / Close Fault
4.7 Freeze-up Protection Control
4.8 OL Activation (Compressor Overload)
4.9 Compressor Lock
4.10 DC Fan Lock
4.11 Input Over Current Detection
4.12 Discharge Pipe Temperature Control
4.13 High Pressure Control in Cooling
4.14 Compressor Sensor System Abnormality
4.15 Position Sensor Abnormality
4.16 DC Voltage / DC Current Sensor Abnormality
4.17 Thermistor or Related Abnormality (Outdoor Unit)
4.18 Electrical Box Temperature Rise
4.19 Radiation Fin Temperature Rise
4.20 Output Over Current Detection
4.21 Insufficient Gas
4.22 Over-voltage Detection / Low-voltage Detection
4.23 Anti-icing Function in Other Rooms / Unspecified Voltage
(between Indoor and Outdoor Units)
4.24 Outdoor Unit PCB Abnormality or
Signal Transmission Circuit Abnormality
5. Check
5.1 How to Check
Part 7 Removal Procedure
1. Outdoor Unit
1.1 Removal of the Panels and Plates
1.2 Removal of the Electrical Box
1.3 Removal of the PCB
1.4 Removal of the Sound Blanket
1.5 Removal of the Propeller Fan / Fan Motor
1.6 Removal of the Thermistors
1.7 Removal of the Compressor
1.8 Removal of the Four Way Valve ï Electronic Expansion Valve
Part 8 Others
1. Others
1.1 Test Run from the Remote Control
1.2 Jumper Settings
1.3 Application of Silicon Grease to a Power Transistor and a Diode Bridge
Part 9 Appendix
1. Piping Diagrams
1.1 Indoor Units
1.2 Outdoor Units
2. Wiring Diagrams
2.1 Indoor Units
2.2 Outdoor Units
