Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Function and Control
- Part 5 Operation Manual
- Part 6 Service Diagnosis
- 1. Caution for Diagnosis
- 2. Problem Symptoms and Measures
- 3. Service Check Function
- 4. Code Indication on the Remote Controller
- 5. Troubleshooting
- 5.1 Indoor Units
- 5.2 Outdoor Units
- 5.3 Indoor Unit PCB Abnormality A1
- 5.4 Freeze-up Protection Control or High Pressure Control A5
- 5.5 Fan Motor or Related Abnormality A6
- 5.6 Thermistor or Related Abnormality (Indoor Unit) C4,C9
- 5.7 Front Panel Open / Close Fault C7
- 5.8 Signal Transmission Error (between Indoor and OutdoorUnit) U4
- 5.9 Unspecified Voltage (between Indoor and Outdoor Units) UA
- 5.10 Freeze-up Protection Control A5
- 5.11 Outdoor Unit PCB Abnormality E1
- 5.12 OL Activation (Compressor Overload) E5
- 5.13 Compressor Lock E6
- 5.14 DC Fan Lock E7
- 5.15 Input Over Current Detection E8
- 5.16 Discharge Pipe Temperature Control F3
- 5.17 High Pressure Control in Cooling F6
- 5.18 Compressor Sensor System Abnormality H0
- 5.19 Position Sensor Abnormality H6
- 5.20 CT or Related Abnormality H8
- 5.21 Thermistor or Related Abnormality (Outdoor Unit) P4,J3,J6,J8,J9,H9
- 5.22 Electrical Box Temperature Rise L3
- 5.23 Radiation Fin Temperature Rise L4
- 5.24 Output Over Current Detection L5
- 5.25 Insufficient Gas U0
- 5.26 Low-voltage Detection or Over-voltage Detection U2
- 5.27 Signal Transmission Error (on Outdoor Unit PCB) U7
- 5.28 Anti-icing Function in Other Rooms / UnspecifiedVoltage (between Indoor and Outdoor Units) UA,UH
- 6. Check
- Part 7 Removal Procedure
- Part 8 Others
- Part 9 Appendix
- Index
- Drawings & Flow Charts
Piping Diagrams SiBE12-713
330 Appendix
1.2 Outdoor Units
1.2.1 Cooling Only
4MKS75F2V1B
1.2.2 Heat Pump
4MXS68F2V1B
REFRIGERANT FLOW
9.5CuT
HEAT EXCHANGER
THERMISTOR
(
DE
)
OUTDOOR UNIT
COOLING
7.9CuT
PROPELLER FAN
DC FAN MOTOR
HEAT EXCHANGER
DISCHARGE PIPE
THERMISTOR
(
DO
)
COMPRESSOR
M
OUTDOOR TEMPARATURE
THERMISTOR
(
DOA
)
CAPILLARY TUBE
ACCUMULATOR
12.7CuT
DISTRIBUTOR
ACCUMULATOR
9.5CuT
12.7CuT
FILTER
STOP VALVE
LIQUID LINE
STOP VALVE
GAS LINE
HEADER
HEADER
MOTOR OPERATED VALVE
MOTOR OPERATED VALVE
MOTOR OPERATED VALVE
MOTOR OPERATED VALVE
LIQUID PIPE
LIQUID PIPE
LIQUID PIPE
LIQUID PIPE
6.4CuT
6.4CuT
6.4CuT
6.4CuT
12.7CuT
12.7CuT
12.7CuT
12.7CuT
EV
EV
EV
EV
GAS PIPE THERMISTOR
(
DGD
)
GAS PIPE THERMISTOR
(
DGC
)
GAS PIPE THERMISTOR
(
DGB
)
GAS PIPE THERMISTOR
(
DGA
)
B
C
D
A
THERMISTOR
(
DLA
)
THERMISTOR
(
DLC
)
THERMISTOR
(
DLB
)
THERMISTOR
(
DLD
)
FILTER
FILTER
FILTER
FILTER
(
9.5 CuT
)
(
9.5 CuT
)
(
6.4 CuT
)
(
6.4 CuT
)
(
6.4 CuT
)
(
6.4 CuT
)
(
15.9 CuT
)
(
12.7 CuT
)
ROOM D
ROOM C
ROOM B
ROOM A
ROOM D
ROOM C
ROOM B
ROOM A
GAS
FIELD
FIELD
PIPING
PIPING
LIQUID
3D034513H
EVA
EVB
COOLING
12.7CuT
HEAT EXCHANGER
(9.5 CuT)
M
FILTER
9.5CuT
ROOM D
REVERSING
SOLENOID
VALVE
HEADER
HEATING
(9.5 CuT)
12.7CuT
FILTER
(6.4 CuT)
HEADER
HEAT EXCHANGER
LIQUID PIPE
THERMISTOR(DLB)
STOP VALVE
DISCHARGE PIPE
6.4CuT
(12.7 CuT)
(6.4 CuT)
ROOM B
12.7CuT
FILTER
LIQUID PIPE
THERMISTOR(DLD)
FIELD
PIPING
LIQUID
(6.4 CuT)
FIELD
PIPING
GAS
OUTDOOR UNIT
ROOM A
12.7CuT
ROOM C
ROOM C
DC FAN MOTOR
12.7CuT
GAS PIPE THERMISTOR(DGA)
GAS PIPE THERMISTOR(DGB)
HEADER
OUTDOOR TEMPERATURE
12.7CuT
MUFFLER
12.7CuT
THERMISTOR(DO)
PROPELLER FAN
ACCUMULATOR
STOP VALVE
GAS PIPE THERMISTOR(DGC)
FILTER
THERMISTOR(DE)
LIQUID PIPE
THERMISTOR(DLA)
(12.7 CuT)
MOTOR OPERATED VALVE
ROOM A
12.7CuT
(6.4 CuT)
LIQUID LINE
GAS LINE
COMPRESSOR
CAPILLARY TUBE
FILTER
6.4CuT
12.7CuT
DISTRIBUTOR
GAS PIPE THERMISTOR(DGD)
REFRIGERANT FLOW
ROOM B
LIQUID PIPE
THERMISTOR(DLC)
6.4CuT
ACCUMULATOR
6.4CuT
ROOM D
7.9CuT
THERMISTOR(DOA)
EVC
EVD
MOTOR OPERATED VALVE
MOTOR OPERATED VALVE
MOTOR OPERATED VALVE
3D055041