1.7 Placing the unit out of service for planned stoppage or mal‐
function
1.7.1 Placing the unit out of service for planned stoppage
To stop the air conditioning unit using the DPC-1 ther‐
mostat, press the MODE, -1- key repeatedly until the
following appears: OFF, -2-.
1.7.2 Placing the unit out of service for seasonal stoppage
The power supply to the unit must be disconnected when placing the air conditioning unit out of service
for long periods of time (seasonal stoppage).
To do so, the differential circuit breaker and thermal magnetic switch on the unit power supply must be
disconnected.
C A U T I O N
• Always keep the electrical power supply connected to the unit.
• Only disconnect the unit if it is not to be used for a long period of time.
• When preparing for seasonal use, connect the unit to the electricity supply at least 8 hours before
starting it.
1.7.3 Placing the unit out of service due to a fault
If the air conditioning unit is faulty, its self-diagnostics
system will identify the source and the pilot light -1-
on the display of the DPC-1 thermostat will switch on.
The display will also show a two-digit number on the
lower left -2-indicating the effected component.
1.7.4 Fault codes for the air conditioning unit
Code
Description
11 / 21 / 31
Discharge temperature exceeded
12 / 22 / 32
High-pressure switch, outdoor fan thermal switch or compressor module ther‐
mal switch (depending on model)
1
User manual
1.7
Placing the unit out of service for planned stoppage or malfunction
10
