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A
Electrical connection of pump control thermostat
B
Thermostat to control the pump (e.g. Afriso), with approx. 3.0 m connecting lead 2 x 0.75 mm²
C
Load unit (circulating pump)
D
Terminal 1 not needed
E
Phase (L) brown lead
F
Switched phase (L‘) blue lead
The functioning of the thermostatic switch can be checked before using it
for the first time with the aid, for example, of hot water from a kettle and
a thermometer. Note that the rear cover panel has to be removed in order
to do this.
2.9.6. CONNECTING THE ambiente a4 H
2
O TO A
HEATING SYSTEM
Please note: The entire heating system should be planned in detail in
accordance with the relevant rules of the art and the safety standards
before installing the ambiente a4 H
2
O as part of a heating system. The plan-
ning consultant or installation contractor doing the work is responsible for
ambiente a4 H
2
O
Fig. 14
Fig. 13b