Refrigerant Circuit For Outdoor Air Unit; Outdoor Air Unit - Fujitsu Airstage VR-II Series Service Manual

2-1-1 REFRIGERANT CIRCUIT for Outdoor air unit

Outdoor air unit

(AAUA48/ 96TLAV)
TH25
59
54
FAN21
TH24
51
HEX21
53
TH21
52
Outdoor air unit
(AAUA72TLAV)
TH25
59
55
FAN21
TH24
51
HEX21
53
TH21
52
No. Part name
51
Heat exchanger outlet thermistor
52 Suction airflow temp. thermistor
53 Heat exchanger
54 Fan motor
55 Fan motor
56
Heat exchanger inlet thermistor
Electric expansion valve
57
58 Solenoid valve (Bypass)
59 Discharge airflow temp. thermistor
56
EEV21
TH22
57
58
54
FAN22
56
EEV21
TH22
57
58
: Capillary : Strainer
Function
Detects the temperature of refrigerant
Detects the temperature of suction airflow
Operates as Condenser / Evaporator
Controlled by setting / protection / Thermo OFF
Controlled by setting / protection / Thermo OFF
Detects the temperature of refrigerant
Controlled by setting / protection / Thermo OFF
Opens at Thermo OFF in Heating mode
Detects the temperature of discharge airflow
+1
02-01