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Kreyer – Picture guide to installation and start-up MCK and Chilly Max (page 11 of 18) v.07-2015
Regulator: Carel IR32
Description of the controller
Display:
During normal operation display indicates value measured by sensor. In case of alarm
measured value and alarm code are indicated alternately. Parameter is indicated during
programming process.
Decimal point:
Indication of decimal value.
REVERSE:
LED for reverse flashes if at least one relay with this function was activated. Number of
flash signals indicates number of relays activated with Reverse. Flash signals are interrupted by a
pause of 2 seconds.
DIRECT:
LED for direct flashes if at least one relay with this function was activated.
SEL-key:
SEL indicates and chooses set-point.
“PRG/MUTE“-key:
In case of alarm signal buzzer is switched off by means of PRG/Mute-key.
“Up“-key:
Use UP-key to enlarge set-point or parameter values.
“Down-key“:
Use DOWN-key to reduce set-point or parameter values. If measured value is indicated
by sensor 1 measured value of sensor 2 (if existent) can be indicated on NTC input version by
pressing Down-key.
Adjustment of controller by manufacturer
Switching stages adjusted by manufacturer
:
Stage 1:
Set-point ST1 is set on 20° C by factory. Relay switches on cooler as soon as set temperature
is exceeded.
Stage 2:
Relay switches on heating as soon as set temperature is too low.
Indication on display
During normal operation display indicates actual values measured by sensor of medium.
