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Operation
The TERRA CL heat pump is switched on and off auto-
matically via a fully-automated control system.
For operating the control, please see the separate opera-
ting instructions for the control.
Annual inspection and maintenance of the system by cus-
tomer services is recommended, in particular with regard
to the preserving warranty claims.
Defrost Controller
Heating Controller
Main Switch
Enable
Heating immenser
Main switch:
The main switch activates both the control current and
the three phase current for the electric heating immerser
and the heat pump compressor.
Activation:
This switch is used to activate the automatic control of the
heat pump.
Electric heating immerser:
The following operating modes are possible:
0: the electric heating immerser is off
I:
the electric heating immerser is activated automati-
cally when the bivalence points is not reached and
the control issues an output-dependent request, or if
a fault occurs in the heat pump.
II: The electric heating immerser is only activated
depending on output.
Defrost regulator:
The defrost regulator is an automatically operating control
which optimises the defrost process of the heat pump and
monitors faults.
Heating controller:
Heating programs can be set on the heating controller.
See operating instructions enclosed.
