54
Terminals
Function
Explanation
F1
Heat pump control unit
fuse
6.3 A (slow)
X3.1
Phase switched
Via control unit ON/OFF switch.
Note
Observe the total load (1000 W) of all con-
nected components.
X3.6
X3.7
G
Power-OFF (factory-fitted
jumper)
Floating contact required:
■ Closed: Heat pump in operation
■ Open: Heat pump shut down
■ Breaking capacity 230 V, 0.15 A
Connect on site; remove jumper when con-
necting.
Note
■ No parameters need to be set.
■ The compressor is "forced" off as soon
as the contact opens.
■ The supply voltage to the respective
components is switched off by the
power-OFF contact signal.
■ For the instantaneous heating water
heater, the stages to be switched off can
be selected (parameter "Output for
instant. heating water heater at
power-OFF 790A").
■ For further information regarding power-
OFF, see chapter "Power supply".
Installation sequence
Electrical connection
(cont.)
5600 950 GB