Wiring and Water Piping for Unit
40
Air-to-Water Heat Pump
Symbols used below pictures are as follows :
- L, L1, L2 : Live (1~ 230 V)
- N : Neutral (1~ 230 V)
- BR : Brown , WH : White , BL : Blue , BK : Black, GR/YL : Green/Yellow
Terminal block 2
Terminal block 1
Terminal block 3
Model : AHBW036H0
The Power cord connected to the unit should be selected according to the following
specifications.
EXTERNAL POWER
(W/TANK E/HEATER)
3
L
BR
1
2
4
N
BL
connecting external electric
power supply for sanitary
water tank electric heater
Power supply for Indoor
unit and communication
Connection for thermostat
(230V AC or 24V AC)
Supporting type : Heating only or
Heating/Cooling
OUTDOOR UNIT
THERMOSTAT
(Default : 230V AC)
11
1(L)
(BR)
12
(2(N)
BL
13
3
BK
14
15
16
17
L
BR
18
N
BL
19
L1
WH
20
L2
BK
energizing water
pump for solar
thermal system
water flow switching between
under floor heating and sanitary
water tank heating
water flow switching between using
solar thermal heating and skipping
solar thermal heating
turn on or off sanitary
water tank heater
3WAY VALVE
(B)
WATER
PUMP
(B)
WATER
TANK
HEATER
3WAY VALVE
(A)
1
L
BR
WH
BL
BR
BL
BR
BR
WH
BL
BL
2
L1
3
N
4
L
5
N
6
L
7
N
8
L
9
L1
10
N
