Carel ir33+

Carel IR33+ Controller - IR33+ Parameters Verify and/or Change • 9
CAREL IR33+ CONTROLLER
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 you must do the following to conrm:
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Press and hold [PRG] key until the Carel returns to temperature reading. Your settings are saved once this is done.
IMPORTANT NOTE: At any time 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 your settings and must start over.
LOW ALARM ON THE CAREL IR33+
The Carel screen will alternate between:
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Temperature reading, and
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"LO"
The following will be displayed on the Carel:

Fans may be on (Fan icon)
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The Temperature displayed
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Alarm LED will be on when TEMP is displayed
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"LO" will be displayed alternating with "TEMP"
IR33+ Parameters Verify and/or Change