Controller Operation • 47
CONTROLLER OPERATION
Carel IR33+ Verify and/or Change Parameters
4. H1 - Verify parameter H1 set to “10”.
a. Press [UP] arrow key to move to “H1” parameter.
b. Press [SET].
c. Press [UP] arrow key to set parameter to “10” if not already “10”.
d. Press [SET].
5. St - Verify Set Point according to your case set point.
a. Press [UP] arrow key to move to “St” parameter.
b. Press [SET].
c. Press [UP] arrow key to set parameter to your case setting according to program installed. See decal on case and the Low and
Medium Temp Codes section of this manual.
d. Press [SET].
6. Verify parameters according to list attached to your case or per the Low and Medium Temp Codes section of this manual.
7. CONFIRM PARAMETER SETTINGS - IMPORTANT! YOU MUST PERFORM THIS STEP LAST!
a.
After you have set all parameters, confirm by pressing and holding
[PRG] key until the Carel returns to temperature reading. Your
settings are saved once this is done.
IMPORTANT NOTE: If you stop operating the Carel and do not perform step 7, the Carel will return to normal operations and will NOT
save your settings. Make sure you keep the Carel programming state active if you have changed settings. If you do not, you will lose
all of your settings and must start over.
LOW ALARM ON THE CAREL IR33+
The Carel screen will alternate between temperature reading and “LO” alarm. The following will be displayed on the Carel screen:
Fan Icon (if fans are turned on)
Temperature Reading
(alternates with “LO” Alarm)
Alarm Light (if temperature
is displayed)
“LO” Alarm (alternates with
temperature reading)
