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SPLIT-TYPE, AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
R410A
Outdoor unit
[Model Name]
SUY-SA18VA
SUY-SA24VA
SUY-SA30VA
SUY-SA36VA
[Service Ref.]
SUY-SA18VA.TH-T
SUY-SA24VA.TH-T
SUY-SA30VA.TH-T
SUY-SA36VA.TH-T
Indication of
model name
CONTENTS
1. REFERENCE MANUAL .................................... 2
2. TECHNICAL CHANGES ................................... 3
3. PARTS NAMES AND FUNCTIONS .................. 7
4. SPECIFICATION ................................................ 8
5. NOISE CRITERION CURVES ......................... 10
6. OUTLINES AND DIMENSIONS ....................... 11
7. WIRING DIAGRAM .......................................... 13
8. REFRIGERANT SYSTEM DIAGRAM ............. 15
9. ACTUATOR CONTROL ................................... 18
10. TROUBLESHOOTING ..................................... 19
11. DISASSEMBLY PROCEDURE ........................ 35
PARTS CATALOG (OCB649)
October 2016
No.OCH649
HFC
utilized
R410A
Note:
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Summary of Contents for Mitsubishi Electric SUY-SA18VA.TH-T
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Page 1: Table Of Contents
SPLIT-TYPE, AIR CONDITIONERS October 2016 No.OCH649 utilized R410A TECHNICAL & SERVICE MANUAL R410A Outdoor unit Note: [Model Name] [Service Ref.] SUY-SA18VA.TH-T SUY-SA18VA SUY-SA24VA.TH-T SUY-SA24VA SUY-SA30VA.TH-T SUY-SA30VA SUY-SA36VA.TH-T SUY-SA36VA CONTENTS 1. REFERENCE MANUAL ........2 2. TECHNICAL CHANGES ........3 3. PARTS NAMES AND FUNCTIONS ....7 4. -
Page 2: Reference Manual
REFERENCE MANUAL 1-1. INDOOR UNIT SERVICE MANUAL OCB643 OCB641 — OCH649... -
Page 3: Parts Names And Functions
PARTS NAMES AND FUNCTIONS SUY-SA18VA.TH-T Air inlet (back and side) Piping Drain hose Air outlet Drain outlet SUY-SA24VA.TH-T Air inlet SUY-SA30VA.TH-T (back and side) SUY-SA36VA.TH-T Piping Drain hose Air outlet Drain outlet OCH649... -
Page 4: Specification
SPECIFICATION SUY-SA18VA.TH-T SUY-SA24VA.TH-T SUY-SA30VA.TH-T SUY-SA36VA.TH-T 1,200 RC0J50-NA RC0J60-BD RC0J60-BC 2,818 3,224 3,054 2,818 2,818 2,641 dB(A) (R410A) OCH649... -
Page 5: Outlines And Dimensions
OUTLINES AND DIMENSIONS SUY-SA18VA.TH-T Unit: mm OCH649... - Page 6 SUY-SA24VA.TH-T Unit: mm SUY-SA30VA.TH-T SUY-SA36VA.TH-T OCH649...
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Page 7: Wiring Diagram
WIRING DIAGRAM SUY-SA18VA.TH-T SUY-SA24VA.TH-T OCH649... - Page 8 SUY-SA30VA.TH-T SUY-SA36VA.TH-T OCH649...
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Page 9: Refrigerant System Diagram
REFRIGERANT SYSTEM DIAGRAM SUY-SA18VA.TH-T Unit: mm Refrigerant pipe ø12.7 (1/2") Strainer Outdoor heat exchanger Stop valve(G) temperature (with service port) Outdoor thermistor heat Flared connection (RT68) Muffler exchanger Discharge temperature thermistor (RT62) Liquid pipe temperature thermistor Strainer Compressor (RT61) #50×2 Capillary tube ø3.0×ø1.8×600(×2) - Page 10 SUY-SA36VA.TH-T Unit: mm Refrigerant pipe ø15.88 (5/8") Strainer Outdoor heat exchanger Stop valve(G) temperature (with service port) Outdoor thermistor heat Flared connection (RT68) Muffler(#100) exchanger Discharge temperature thermistor (RT62) Liquid pipe temperature Compressor thermistor (RT61) Flared connection Capillary tube Strainer Strainer ø4.0×ø2.4×100 #100...
- Page 11 MAX. REFRIGERANT PIPING LENGTH SUY-SA18VA.TH-T SUY-SA24VA.TH-T SUY-SA30VA.TH-T SUY-SA36VA.TH-T MAX. HEIGHT DIFFERENCE Indoor unit * Max. Height difference Max. Length Outdoor unit * Height difference limitations are binding regardless of which unit, indoor or outdoor, is position high. ADDITIONAL REFRIGERANT CHARGE (R410A: g) SUY-SA18VA.TH-T...
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Page 12: Actuator Control
ACTUATOR CONTROL SUY-SA18VA.TH-T SUY-SA24VA.TH-T SUY-SA30VA.TH-T SUY-SA36VA.TH-T 9-1. OUTDOOR FAN MOTOR CONTROL 5 seconds 15 seconds Compressor Outdoor fan 9-2. RELATION BETWEEN MAIN SENSOR AND ACTUATOR OCH649...