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L
N
3 x Red
3 x Red
3 x Blue
3 x Blue
To Boiler Body
Gr
een / Y
ellow
Stage 1 Power Relay 1
Stage 1 Power Relay 2
Stage 2 Power Relay 1
To Control
Circuit MCB
E-Tech Single Phase
Power Wiring
L1
L2
L3
N
To Control
Circuit MCB
4 x Orange
4 x Black
4 x Red
4 x Blue
To Boiler Body
Gr
een / Y
e
llow
Stage 1
Power Relay 1
Stage 1
Power Relay 2
Blue
Red
Black
Orange
Blue
Red
Black
Orange
Orange
Black
Red
Blue
Orange
Black
Red
Blue
Stage 2
Power Relay 2
Stage 2
Power Relay 1
E-Tech S Tri Phase
Power Wiring
11
INSTALLATION