Operating instructions

46
Serial number
(Type plate)
Flow rate
l/min
Colour
7373 061 10 black
7373 063 12 red
7373 065 14 brown
Checking or replacing the plate-type heat exchanger (gas fired
condensing combi boiler)
D
E F
H G
A
B
D
C
E
Heating water flow
F
Heating water return
G
Cold water
H
DHW
1. Shut off and drain the boiler on the
heating water and the DHW side.
2. Flip down control unit.
Troubleshooting
Repairs
(cont.)
5366 836 GB