Lauda E 4 G Operating Instructions Manual page 24

Ways of adjusting the pump flow (
The circulation of the heat transfer liquid by the pump can be divided between internal (INT) and external (EXT)
with the aid of the selector switch at the front on the control head (flow distribution). The adjustment is continu-
ously variable and is possible during operation.
The adjustment between internal and external circulation is only practicable with a connected
external load. A pump connection set is needed to do this. This set is included as standard
with cooling devices and with the heating devices E 4G and ET 15 G. With immersion thermo-
stats and the remaining heating thermostats the pump connection set is available as an ac-
cessory (
With a pure bath application the selector switch has to be set to INT.
24
6.2)
10).
Preparations
ECO GOLD
28.04.10/ YACE0088