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 Configuration
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 Configuration
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 Configuration
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