INSTALLATION
SPECIFICATION
17.2 Wiring diagram
14 13
X1
X0
E1
Booster heater
F1
High limit safety cut-out, booster heater
F2
Compressor motor protection (Klixon)
F3
Safety pressure limiter (high pressure)
M1
Compressor
M2
Fan
N0
Heat pump control thermostat
N1
Thermostat - booster heater
N2
Frost monitor
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E1
X3
X4
N0
11 10 9
L1 L2 G
N1
F1
12
12
11
22
21
22
32
32
31
F3
p
4
2
T<
1
8
7
5
4
3
6
-7°C/+3°C
3
N2
>
T<
4
2
C1
2
4
1
3
bn
bu
bk
1
3
S
R
M
X2
1~
M1
X0
Main terminal
X1
Heat pump terminal
X2
Ground, compressor
X3
Ground, booster heater
X4
Steel tank jacket ground
ACCELERA® 300 HEAT PUMP WATER HEATER |
11
21
31
2
1
2
1
bk
wh
F2
C
M
1~
M2
27