Table of Contents
Advertisement
8
REFRIGERANT SYSTEM DIAGRAM
PMH-P1.6BA / PUH-P1.6VGA, PUH-P1.6YGA
PMH-P2BA / PUH-P2VGA, PUH-P2YGA
Indoor unit
Thermistor
(TH1)
Thermistor
(TH5)
Distributor
with
strainer
Thermistor
(TH2)
9
TROUBLE SHOOTING
How to check the parts PMH-P1.6BA, PMH-P2BA
Parts name
Room temperature
Disconnect the connector then measure the resistance using a tester.
thermistor
(TH1)
(Surrounding temperature 10:~30:)
Pipe temperature
thermistor
(TH2)
Condenser/evaporator
temperature thermistor
(TH5)
Vane motor
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:~30:)
2
Yellow
MV
4
Red
5
Brown
1
3
Green
Orange
Drain-up
Measure the resistance between the terminals using a tester.
mechanism
(Surrounding temperature 20:)
Blue
1
2
Blue
Drain sensor
Measure the resistance between the terminals using a tester.
(Surrounding temperature 20:~30:)
1
2
3
Refrigerant pipe
15.88
([5/8"):PMH-P1.6/2BA
mm
(with heat insulator)
Flexible tube
Flared
Strainer
connection
Refrigerant pipe
9.52
([3/8"):PMH-P1.6/2BA
mm
(with heat insulator)
Normal
4.3k"~9.6k"
Open or short
Connector
Normal
Brown — Yellow
Brown — Red
380" i7%
Brown — Orange
Brown — Green
Normal
400"~480"
Open or short
Normal
0.6k"~6.0k"
Open or short
4-way valve
Ball valve
Strainer
Service
port
Accumulator
Compressor
Drier
Ball valve
(with service port)
Check points
Abnormal
(Refer to the thermistor)
Abnormal
Open or short
Abnormal
Abnormal
(Refer to the thermistor)
21
Refrigerant flow in cooling
<4-way valve solenoid coil>
Refrigerant flow in heating
Outdoor unit
High pressure
switch
Service
port
Muffler
Thermistor
(TH4)
Strainer
Strainer
Linear expansion valve
Unit : mm
Heating ON
Cooling OFF
Thermistor
(TH6)
Thermistor
(TH3)
Distributor
with
strainer
Advertisement
Table of Contents
