-
58
-
'13 • PAC-DB-194
Model 71
Model 90
Preset point of the protective devices
Parts name
Mark
Equipped unit
All models
Thermistor (for protection overloading in heating)
Th
I
-R
Indoor unit
OFF 63
℃ ,
ON 56
℃
Thermistor (for frost prevention)
OFF 1.0
℃ ,
ON 10
℃
Sensor (for protection high pressure in cooling.)
TH1
Outdoor unit
OFF 63
℃ ,
ON 53
℃
Sensor (for detecting discharge pipe temp.)
TH3
OFF 115
℃ ,
ON 95
℃
Indoor unit
Outdoor unit
Cooling cycle
Heating cycle
Thermistor
(Return air)
Thermistor
(Heat
exchanger)
(ThI-A)
(ThI-R1)
Thermistor
(Heat
exchanger)
(ThI-R3)
Thermistor
(Heat
exchanger)
(ThI-R2)
Heat
exchanger
Gas pipe
(
φ
12.7)
Liquid pipe
(
φ
6.35)
Service valve
(Flare connecting)
Check joint
Service valve
(Flare connecting)
Thermistor
(Heat
exchanger)
(ThI-R1)
Thermistor
(Heat
exchanger)
(ThI-R2)
Electronic
expansion valve
Strainer
Receiver
Muffler
Capillary tube
Outdoor air
temp. sensor
Muffler
Compressor
Discharge pipe
temp. sensor
4way valve
(TH3)
(TH2)
Heat
exchanger
sensor
(TH1)
(EEV)
Capillary tube
Heat
exchanger
Accumulator
Muffler
Indoor unit
Outdoor unit
Cooling cycle
Heating cycle
Thermistor
(Return air)
(ThI-A)
Thermistor
(Heat
exchanger)
(ThI-R3)
Heat
exchanger
Gas pipe
(
φ
15.88)
Liquid pipe
(
φ
6.35)
Service valve
(Flare connecting)
Check joint
Service valve
(Flare connecting)
Electronic
expansion valve
Strainer
Strainer
Capillary tube
Outdoor air
temp. sensor
Muffler
Compressor
Discharge pipe
temp. sensor
4way valve
(TH3)
(TH2)
Heat
exchanger
sensor
(TH1)
(EEV)
Capillary
tube
Heat
exchanger
Accumulator
Muffler
Accumulator
Reducer
(Accessory)
Reducer
(Accessory)
Reducer
(Accessory)
8. PIPING SYSTEM
(1)
FDT, FDEN, FDU, FDUM, FDF series