ECO GOLD
25/08/2011/ YACE0088 Before putting the device into operation 25
Connection of the cooling water
Note that the following conditions apply for the connection of the cooling water supply:
Cooling water pressure (feed - outlet) max. 10 bar overpressure
Differential pressure (feed - outlet) min. 3.0 bar
Culling water temperature 10 to 15 °C recommended,
10 to 30 °C admissible with power restrictions)
Cooling water quantity see Technical Data (Ì10)
Cooling water hose for connection to the device min. 13 mm
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). This adjustment is continu-
ously variable and is also possible at any time during operation.
The adjustment between internal and external circulation is only practicable when an external consumer is
connected. You need a pump connection set for this. This set is included as standard with cooling devices and
with the heating devices E 4G and ET 15 G. With immersion thermostats and the other heating thermostats the
pump connection set is available as an accessory. (Ì 9)
With a pu
re b
ath application the selector switch has to be set to INT.
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