Monday, March 7, 2011

Carrier Service Manual


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)

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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 for MODEL AirV
Rooftop Air Conditioning Systems
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38VYX050N / 38VYX080N
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Carrier TRANSICOLD
OPERATION AND SERVICE MANUAL
CONTAINER REFRIGERATION UNIT
MODELS
69NT40-511-200 to 69NT40-511-299
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38GL...G / 38YY...G / 38YYS...G R410A
Cooling only and heat pump split system outdoor unit
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Service and Maintenance Instructions
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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
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SERVICE MANUAL
For AirV
AIR CONDITIONING AND
HEATING EQUIPMENT
MODELS
68RV11302A
68RV14102A
68RV14103A
68RV14112A
68RV15102A
68RV15103A
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Carrier 30HR,HS070-225
Flotronic Reciprocating Liquid Chiller 50/60 Hz
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Carrier 30RA010-055
AquaSnap® Air-Cooled Chillers
with ComfortLink™ Controls
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SERVICE MANUAL
RESIDENTIAL FAN COIL UNITS
FA4, FB4, FC4,
FD3, FE4, FF1,
FG3, FH4, FK4,
FV4, FX4, 40FK
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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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