Functional Diagram Erhq_V3+W1 - Daikin altherma ERHQ011BAV3 Installation Manual

W1
1 2

4.3. Functional diagram ERHQ_V3+W1

V3
1
ERHQ011~016BAV3+W1 + ERLQ011~016CAV3+W1
Outdoor unit for air to water heat pump
4PW57794-1C – 2013.04
19
20
12
4
18
3
7
10
8
11
13
14
15
16
17
2
R1T
R6T
R3T
14
12
14
13
6
1 Heat exchanger
2 Fan motor
3 Reactor coil(s)
4 4-way valve
5 Noise filter pcb (only for V3 models)
6 Service pcb (only for V3 models)
7 Pressure sensor
8 Electronic expansion valve injection (only for ERLQ)
9 Main pcb (inverter and control pcb)(only for V3 models)
10 High pressure switch
11 Accumulator
12 Terminal communication and power supply
13 Gas stop valve
14 Liquid stop valve
15 Electronic expansion valve main
16 Solenoid valve (hot gas pass)(only for ERLQ)
17 Compressor
18 Service port
19 Control pcb (and noise filter pcb)(only for W1 models)
20 Inverter pcb (only for W1 models)
Y1E
10 10
11
9
Y1S
R2T
7
8
S1PH
M1C
5
15
E1HC
16
M1F-M2F
3
R5T
R4T
4
Installation manual
6