Page No. 16-GB 6 - 7.1.1 We reserve the right to make technical changes!
6. Drainage of defrost water
We recommend using the defrost water drain accessory
pack, available as an option, for an optimal drainage of
defrost water accumulation.
The accessory pack can be used for all Viessmann FS- and
CS- series Refrigeration units.
7. Coldroom electrical power supply
A 4-pole socket outlet is located on the intake-side of the
Refrigeration evaporator unit for the electrical power supply
to the loads attached to the coldroom, with a total power
capacity of max. 250 Watts (lighting, door frame heating).
The door contact switch can also be connected to this
socket outlet.
7.1 Connecting the door contact switch
The evaporator ventilator should be switched off when the
cold storage cell is opened. For this reason, we recommend
the installation of an potential-free door contact switch
(switching capacity 230VAC, min. 0.5 A).
Connection takes place via the 4-pole socket outlet moun-
ted on the intake-side of the evaporator unit.
In its delivered condition, the unit is functionally ready for
service without an external door contact switch.
The door contact switch is not included within the scope of
delivery of the unit.
7.1.1 Refrigeration unit with electronic SD Control unit
If a door contact switch is connected to the unit, then the
control unit parameter P29 must be changed to “1” (see
8.5.1, Parameter list).
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