ASCON Service Guide Book
35
W2 Heatpump with Auxiliary heater
To convert SB125 heatpump PCB to auxiliary heater application, you need the following components
to be added onto the PCB:
1. Shunt jumper
2. JM Relay 240VAC/ 20A
Step 1:-
Place the shunt jumper at jumper header M2.
Step 2:-
1. Place the JM relay at RY_HTR location
2. Solder all the relay pins
W2 Heatpump with Auxiliary Heater