46 • Controller Operation
CONTROLLER OPERATION
Carel IR33+ Verify and/or Change Parameters
BELOW ARE EXAMPLES OF PARAMETERS TO CHECK ON THE CAREL IR33+
any parameter can be changed in a similar manner as long as it is listed on your program set points list attached to your case or in the Low
and Medium Temp Codes section of this manual.
1. A1 - Verify A1 Parameter is set to “1”. If not, [SET] A1 to “1”.
a. Press [UP] arrow key to move to a1 parameter.
b. Press [SET].
c. Press [UP]
arrow key to set parameter to “
1
” if not already “
1
”.
d. Press [SET].
2. AL - Verify Low Temp Alarm. Set AL according to your case programming.
a. Press [UP] arrow key to move to aL parameter.
b. Press [SET].
c. Press [DOWN] 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].
3. AH - Verify High Temp Alarm according to your case setting.
a. Press [UP] arrow key to move to aH parameter.
b. Press [SET].
c. Press [DOWN] 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].
1. Press and hold [PRG]
button until you see “
0
” flashing.
2.
Once “
0
” is flashing, press
[UP]
arrow key until you see “22”.
3. Press [SET] key to enter the password access parameters.
SET PASSWORD IN ORDER TO CHANGE PARAMETERS
