16/20
55908014-23
CAREL IR33 Controller
ON/OFF SWITCH
The switch operates the fan motor and is illuminated when power is supplied to the indoor unit. When switched OFF, the
fan stops, the switch remains illuminated and the crankcase heater in the outdoor unit (if fitted) remains live.
TEMPERATURE CONTROL (Do not set the controller below 4
⁰
C.)
The SET temperature is factory set at 12
⁰
C.
The digital display normally displays the return air temperature.
To change the SET temperature
, press and hold down the SET button. If no
alarms active, the ‘St1’ label appears and the current value is shown on the screen
and will flash.
To change the Setpoint value
, press ▲ and ▼ keys within 60 seconds.
The display will revert to the return air temperature after 60 seconds.
The fitted de-ice thermostat will activate a de-ice cycle when there is a build up of ice
on the evaporator coil.
Cellarators will only heat a room if the electric heater option is fitted.
Displaying inputs on screen display
Press ▼ to display the current input. There are 6 inputs to select from to display
onto the screen. These are as follows:
b1: probe 1;
b2: probe 2;
di1: digital input 1;
di2; digital input 2;
St1: set point 1;
St2: set point 2;
Press ▲ and ▼ to select the input to be displayed. Press
set
for 3
seconds to confirm your choice.
To display the live temperature in the room you need to select
b1: probe 1
WARNING
The following actions could damage your system:
1.
Switching the unit OFF and ON quickly
2.
Setting the unit to HEAT and then back to COOL quickly
NB:
Allow at least 3 minutes between the above actions.
INDOOR UNIT OUTDOOR UNIT
INDOOR UNIT OUTDOOR UNIT
CX(E) 30
CKC 20
CXE 40
CKC 20
CX(E) 40
CKC 30
CXE 50
CKC 40
CX(E) 50
CKC 50
CXE 70
CKC 60
CX(E) 70
CKC 80
CXE 90
CKC 80
CX(E) 90
CKC 90
Minimum Set Temperature 8°C
Minimum Set Temperature 4°C
CXE ELECTRONIC COOLING SYSTEM CONTROLS
