Nrc-100 Control Device; Display Messages - Viessmann NORWELL Bedienungsanleitung

PI
In the FC model the F/C (-/+) switch is located inside the machinery compartment. See figure 1
on the inside cover.

4.4. NRC-100 control device

NOTE The type of the control device depends on the cabinet.
NRC-100 is a cabinet controller that automates cabinet defrosting by means of a thermostat and
temperature sensor.

4.4.1. Display messages

In normal status, the display shows cabinet temperature.
Defrosting signals
Defrosting under way.
Probe failure alarm signals
Thermostat probe failure. Contact
service.
Safety switch probe failure. Contact
service.
Cabinet failure alarm signals (condenser overheat)
Safety switch is on and cabinet lights
off (alarm signal). Check the
condenser first and clean it by
opening the hatch from the base and
vacuuming the condenser, if needed.
Push the FNC button or switch the
cabinet off and then back on.
NOTE 8888 or other unusual signal on the display may indicate start failure. Disconnect
the cabinet from the mains supply and reconnect it. If the unit does not start
normally, contact the service.
Version 1/2013
Pull down. Cooling until
expected temperature is
reached.
Evaporator probe failure.
Contact service.
Safety switch probe failure.
Contact service.
Cabinet switched off due to
overheating. Check the
condenser first and clean it
by opening the hatch from
the base and vacuuming the
condenser, if needed. If the
fault persists, contact
service.
ENGLISH
Waiting for other cabinets
when synchronising defrost.
Cabinet temperature probe
failure. Contact service.
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