4.3. Functional diagram RRLQ_V3+W1
1
1
Indoor unit RKHBH/X016
2
Outdoor unit
3
Heat exchanger
4
Service port 5/16"
5
Compressor
6
Accumulator
7
Pressure sensor
8
High pressure switch
9
4-way valve
10
Filter
11
Electronic expansion valve (main)
12
Field piping Ø9.5
13
Field piping Ø15.9
14
Stop valve (with service port 5/16")
Installation manual
6
2
R1T
10
R6T
R3T
14
12
14
13
6
18
Y1E
10
11
Y3E
17
9
Y1S
R2T
7
8
S1PH
M1C
5
15
E1HC
15
Crank case heater
16
Fan motor
17
Electronic expansion valve (injection)
18
Capillary tube
19
Solenoid valve (hot gas pass)
R1T
Thermistor (air)
R2T
Thermistor (discharge)
R3T
Thermistor (suction)
R4T
Thermistor (heat exchanger)
R5T
Thermistor (heat exchanger middle)
R6T
Thermistor liquid
Heating
Cooling
16
M1F-M2F
3
R5T
R4T
4
Y3S
19
RRLQ011~016CAV3+W1
Outdoor unit for air to water heat pump
4PW57794-1 – 10.2010