Troubleshooting Guide; Refrigeration Cycle Diagram - Heat Controller DMH18DB-1 Service Manual

Troubleshooting Guide

Troubleshooting Guide

Refrigeration Cycle Diagram

Indoor
Th1
Th2
Th3
Th4
Th5
Th6
Refrigerent Flow
Cooling
Heating
LOC.
Th1
Th2
Th3
Th4
Th5
Th6
Th7
Th8
Th9
Th10
54 Multi type Air Conditioner
Ø 9.52
Ø 9.52
Ø 6.35
Ø 6.35
Description
Thermistor for evaporating temperature
Thermistor for indoor air temperature
Thermistor for evaporating temperature
Thermistor for evaporating temperature
Thermistor for indoor air temperature
Thermistor for evaporating temperature
Thermistor for Discharge temperature
Thermistor for Discharge temperature
Thermistor for outdoor air temperature
Thermistor for Condensing temperature
High
Pressure
S/W
C/V2
Th7
EEV
A
B
c
Comp
EEV
c
Strainer
CN-TH2(Indoor)
CN-TH1(Indoor)
CN-TH1(Indoor)
CN-TH2(Indoor)
CN-TH1(Indoor)
CN-TH1(Indoor)
CN-TH1(Outdoor)
CN-TH1(Outdoor)
CN-TH2(Outdoor)
CN-TH2(Outdoor)
Outdoor
C/V1
Th8
A
Comp
Th10
PCB Connector
Th9