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Replacing the main control board
Replacement procedure:
1. Disconnect all the cables from the electronic board.
2. Unscrew the four plastic screws fixing the electronic
-
board.
3. Remove the electronics board.
4. Place the new board and screw it on.
5. Connect back all the cables. Follow the numerical iden
-
tification!
6. It is necessary to load the new firmware corresponding
to the unit model to the electronics board! For further
help contact aftersales department.
9. FAULTS REMOVAL
Replacing the water / CO / DX coil
Replacement procedure:
1. Dissconnect the pipe connection to the exchanger.
2. Unscrew the bolts on the panel.
3. Dissconnect the connector of the temperature sen
-
sor(s)!
4. Then pull the whole coil out of the unit.
5. Place the new coil to the unit. Connect the connector of
the temperature sensor(s)!
6. Screw on the bolts fixing the panel.
Replacing the electric heater
Replacement procedure:
1. Dissconnect the connector on the electric heater
2. Unscrew the screws fixing the electric heater.
3. Remove the electric heater module from the unit.
4. Place the new electric heater module to the unit.
5. Screw on the heater and connect the cable back.