6 Assembly and installation [specialist]
2017/07
99640141x-mub-en - V02
13
7.
Connect the domestic hot water module
with the installation by using the piping
according to the adjacent figure.
1 Primary side:
return to the buffer tank,
connection: ¾" internal thread,
pipes
at least DN 20: 22 x 1 mm,
recommended DN 25: 28 x 1.5 mm
2 Primary side:
flow from the buffer tank,
connection: ¾" internal thread,
pipes
at least DN 20: 22 x 1 mm,
recommended DN 25: 28 x 1.5 mm
3 Secondary side:
hot water supply, circulation,
connection: ¾" external thread,
flat sealing
4 Secondary side:
cold water inlet,
connection: ¾" external thread,
flat sealing
5 Secondary side:
hot water outlet,
connection: ¾" external thread,
flat sealing
Pipe distance to the wall
(secondary) = 72 mm
Pipe distance to the wall
(primary) = 112 mm
