Controller Operation • 41
CONTROLLER OPERATION
Carel IR33+ Medium Temp Reach-In Codes
MEDIUM TEMP
Code Name
Factory
Set
LEVEL 1
St Set Point 34
rd Differential 4
tc.y RTC Year -
tc.m RTC Month -
tc.d RTC Day of Month -
tc.u RTC Day of Week -
tc.h RTC Hour -
tc.m RTC Minute -
LEVEL 2
/A2 Probe 2 Conguration 0
Ad Low & High Alarm Delay 60
c1 Min Time Between Starts 5
c2 Min Comp OFF 1
c3 Min Comp ON 1
d0 Defrost Type 2
dd Drip Time 1
dl Defrost Interval 12
dn Defrost Duration % 100
dP1 Defrost Duration 30
AL Low Temp Alarm 30
AH High Temp Alarm 50
F0 Fan Management 0
F1 Fan Start Temp 5
H0 Serial Address 1
H1 Function of Relay 4 10
td1.d Defrost Time Day 1 11
td1.h Defrost Time Hour 1 8
td1.m Defrost Time Minute 1 0
td2.d Defrost Time Day 2 11
td2.h Defrost Time Hour 2 20
td2.m Defrost Time Minute 2 0
65-1444 Rev B
MEDIUM TEMP HYBRID
™
Code Name
Factory
Set
LEVEL 1
St Set Point 34
rd Differential 4
tc.y RTC Year -
tc.m RTC Month -
tc.d RTC Day of Month -
tc.u RTC Day of Week -
tc.h RTC Hour -
tc.m RTC Minute -
LEVEL 2
/A2 Probe 2 Conguration 0
Ad Low & High Alarm Delay 60
c1 Min Time Between Starts 5
c2 Min Comp OFF 1
c3 Min Comp ON 1
d0 Defrost Type 2
dd Drip Time 1
dl Defrost Interval 8
dn Defrost Duration % 100
dP1 Defrost Duration 45
AL Low Temp Alarm 30
AH High Temp Alarm 50
F0 Fan Management 0
F1 Fan Start Temp 5
H0 Serial Address 1
H1 Function of Relay 4 10
td1.d Defrost Time Day 1 11
td1.h Defrost Time Hour 1 4
td1.m Defrost Time Minute 1 0
td2.d Defrost Time Day 2 11
td2.h Defrost Time Hour 2 14
td2.m Defrost Time Minute 2 0
td3.d Defrost Time Day 3 11
td3.h Defrost Time Hour 3 20
td3.m Defrost Time Minute 3 0
65-1468 Rev B
MEDIUM TEMP HYBRID
™
WITH ELEC DEFROST
Code Name
Factory
Set
LEVEL 1
St Set Point 34
rd Differential 4
AH High Temp Alarm 50
c1 Min Time Between Starts 5
dn Defrost Duration % 100
d/1 Defrost Probe Temp (actual)
tc.y RTC Year -
tc.m RTC Month -
tc.d RTC Day of Month -
tc.u RTC Day of Week -
tc.h RTC Hour -
tc.m RTC Minute -
LEVEL 2
/A2 Probe 2 Conguration 2
Ad Low & High Alarm Delay 60
c2 Min Comp OFF 1
c3 Min Comp ON 1
d0 Defrost Type 0
dd Drip Time 1
dl Defrost Interval 12
dP1 Defrost Duration 30
dt1 Defrost End Temp 50
AL Low Temp Alarm 28
F0 Fan Management 2
F1 Fan Start Temp 30
H0 Serial Address 1
H1 Function of Relay 4 10
td1.d Defrost Time Day 1 11
td1.h Defrost Time Hour 1 8
td1.m Defrost Time Minute 1 0
td2.d Defrost Time Day 2 11
td2.h Defrost Time Hour 2 20
td2.m Defrost Time Minute 2 0
65-1505 Rev C