Operating instructions

24
Connecting the primary/secondary circuit
4x
4x
2.
1.
A
B
A
Straight pipe sections supplied
B
Pipe bends from connection set pri-
mary/secondary circuit (accesso-
ries, see separate installation
instructions)
Connecting the primary circuit
!
Please note
The components used must be
resistant to the heat transfer
medium.
Never use zinc-plated/galvan-
ised pipes.
1. Equip the primary circuit with an
expansion vessel and safety valve (in
accordance with DIN 4757).
Installation sequence
Hydraulic connections
(cont.)
5441 603 GB