Carel ir33+ Programming Instructions

2 • Carel IR33+ Controller
CAREL IR33+ CONTROLLER
CAREL IR33+ CONTROLLER
3-5 DOOR LOW TEMP
LEVEL 1
Code Name
Factory
Set
St Set Point -10
rd Differential 6
AH High Temp Alarm 10
c1 Min Comp Time Starts 5
d/1 Defrost Probe Temp (actual)
dn Defrost Duration % 100
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 -
LOW TEMP
LEVEL 2
Code Name
Factory
Set
/A2 Probe 2 Con guration 2
c2 Min Comp OFF 1
c3 Min Comp ON 1
d0 Defrost Type 4
dd Drip Time 1
dl Defrost Interval 24
dP1 Defrost Duration 40
dt1 Defrost end temp 70
AL Low Temp Alarm -20
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 0
td2.h Defrost time hour 2 0
td2.m Defrost time minute 2 0
65-1615 Rev B
IM BOTTOM-MOUNTED COIL
LEVEL 1
Code Name
Factory
Set
St Set Point 7
rd Differential 4
AH High Temp Alarm 25
c1 Min Comp Time Starts 5
d/1 Defrost Probe Temp (actual)
dn Defrost Duration % 100
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 -
IM BOTTOM-MOUNTED COIL
LEVEL 2
Code Name
Factory
Set
/A2 Probe 2 Con guration 2
Ad Low & High Alarm Delay 60
c2 Min Comp OFF 1
c3 Min Comp ON 1
d0 Defrost type 4
dd Drip Time 1
dl Defrost Interval 12
dP1 Defrost Duration 40
dt1 Defrost End Temp 70
AL Low Temp Alarm -20
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
65-1460 Rev B
ZERO ZONE, INC. • 800-247-4496 • ZERO-ZONE.COM
© 2017 Zero Zone, Inc. All Rights Reserved. • MAY 2017
MN-21-A
Low Temp Codes
1 & 2 DOOR LOW TEMP
LEVEL 1
Code Name
Factory
Set
St Set Point -10
rd Differential 6
AH High Temp Alarm 10
c1 Min Comp Time Starts 5
d/1 Defrost Probe Temp (actual)
dn Defrost Duration % 100
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 -
1 & 2 DOOR LOW TEMP
LEVEL 2
Code Name
Factory
Set
/A2 Probe 2 Con guration 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 24
dP1 Defrost Duration 30
dt1 Defrost end temp 45
AL Low Temp Alarm -20
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 0
td2.h Defrost time hour 2 0
td2.m Defrost time minute 2 0
65-1616 Rev B

Carel ir33+ Specifications

General

Model	ir33+
Category	Controller
Storage Temperature	-20°C to +70°C
Dimensions	74 x 32 x 60 mm
Communication	RS485
Operating Temperature	-10°C to +60°C
Protection Rating	IP65
Power Consumption	5 VA max
Relative Humidity	10% to 90% non-condensing
Number of Relays	3