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How to Wire Electric Heater
Follow below procedures Step 1 ~ Step 4.
Step 1. Uncover the electric heater accessory.
Step 2. Find the terminal block and connect wires.
(Wires are field-supplied item.)
Step 3. Connect terminal block ports of unit and electric heater accessory.
(1Ø 3 kW)
Terminal Block 2 (In Backup Heater)
1(L)
L
Power Supply
50 Hz 220-240 V~
(1Ø 6 kW)
Terminal Block 2 (In Backup Heater)
1(L)
L
Power Supply
50 Hz 220-240 V~
(3Ø 6 kW)
Terminal Block 2 (In Backup Heater)
1(R)
R
3Ø, 380-415 V, 50 Hz
Step 4. Connect power supply cable to terminal block 2.
Terminal Block 2 (In 1Ø Backup Heater)
Power Supply
50 Hz 220-240 V~
2(N)
3
N
A(A1)
ELECTRIC HEATER A
(SIGNAL)
23
Terminal Block 3 (In Unit)
2(N)
3
N
A(A1)
ELECTRIC HEATER A
(SIGNAL)
23
Terminal Block 3 (In Unit)
2(S)
3(T)
S
T
Power Supply
1(L)
2(N)
INSTALLATION METHOD
4
5
A(A2)
24
25
26
4
5
A(A2)
B(A1)
B(A2)
ELECTRIC HEATER B
(SIGNAL)
24
25
26
4
A(A1)
A(A2)
ELECTRIC HEATER A
(SIGNAL)
23
Terminal Block 3 (In Unit)
Terminal Block 2 (In 3Ø Backup Heater)
1(R)
2(S)
3(T)
Power Supply
3Ø, 380-415 V, 50 Hz
6
6
5
24
11
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