9
Construction and function
“Regumat-180 plus” DN 32
6.2 Change of supply and return pipe
On delivery, the supply pipe of the “Regumat
S-, M3-180 plus” DN 32 is on the right hand
side. Depending on the configuration of the
heating system, the supply and return pipes
may have to be swapped.
The following three steps need to be performed
to swap the supply and return pipe:
•
Retrofit the two risers
•
Modification of the actuator (“Regumat M3-
180 plus”) (see 6.3)
•
Modification of the three-way mixing valve
(“Regumat M3-180 plus”) (see 6.4)
The following three chapters provide step-by-
step instructions on how to change the supply
and return pipe.
6.2.1 Swapping supply and return pipe
1. Remove the product group from the rear
insulation shell and the wall bracket.
2.
“Regumat M3-180 plus”: Loosen the collar
nuts of the three-way mixing valve with the
help of a 52 mm spanner and remove the
mixing valve. Swap the pump circuit and the
flanged pipe circuit
(illustr. 7, illustr. 8).
3.
“Regumat S-180 plus”: Swap the pump
circuit and the check valve circuit (illustr. 8).
4. Remove the clamping part (9) from the rear
insulation shell, turn it by180° and refit it into
the rear insulation shell (illustr. 9).
Size 66
Illustr. 7
Illustr. 8
Illustr. 9