Installation Instructions

57
Checking or replacing the plate heat exchanger (gas condensing
combi boiler)
A
B
D
C
D
E F
H G
E
Heating water flow
F
Heating water return
G
Cold water
H
Domestic hot water
1. Shut off and drain the boiler on the
heating water and the DHW side.
2. Flip down control unit.
3.
Push servomotor A slightly
upwards.
4.
Turn adaptor B with servomotor A
1/8 of a turn anti-clockwise and
remove.
Troubleshooting
Repairs
(cont.)
5609 059 GB
Service