Air Curtain Refrigerator Service and Installation Manual
11
For customer service, call (800) 733-8829 or (800) 733-8948, Fax (989) 773-3210, www.delfield.com
980 S Isabella Rd
Mt Pleasant, MI 48858
(800) 733-8829
Page 5
Updated 6/23/09
Error Codes
Display Control Status
Er 1
ERC Fault
–
software or hardware failure
Er 2
ERC Communication Fault
–
indicates that there is a problem with the display module cable
Er 3
Zone Sensor Fault
–
indicates an open or shorted temperature sensor
Er 4
Evaporator Sensor Fault
–
indicates an open or shorted evaporator sensor
Er 5
ERC Fault
–
software or hardware failure
Er 6
Low Temperature Alarm
–
indicates that the temperature has dropped below the low alarm
setpoint
Er 7
High Temperature Alarm
–
indicates that the temperature has gone above the high alarm
setpoint
For Error Codes 1, 2 and 5 cut the power to the unit and correct the problem to reset the display.
For Codes 3 and 4, press the UP or DOWN button on the display to reset the error message. If the
display still shows the message, the sensor must be replaced.
The Error Codes 6 and 7 will be automatically reset once the temperature is back within the two
setpoints.
Technical Specifications
Input Power
: 120/208-240VAC 50/60Hz (+10, -15%)
Power Consumption
: 5VA @ 120-240VAC
Zone and Evaporator Coil Temperature Sensors
: NTC thermistor. Range -40 to 199°F
Ambient Operating Conditions
: -40 to 122°F; 0 to 95% RH (non-condensing)
Display Module Dimensions
: 2.75”W x 1.10”H x 1.38”D
Case Dimensions
: 4.40”W x 7.28”H x 3.80”D
Shipping Weight
: 3.0 lbs
Agency Approvals
:
c-UR-us Recognized Component
–
Models ERC2-1xxxxxx
c-UL-us Listed Product
–
Models ERC2-2xxxxxx
NSF International Certified
Output Relay Ratings
:
Compressor: SPST NO
120VAC 208VAC 240VAC
Horsepower Rating (hp)
1
1.5
2
FLA/LRA
16/96
12/72
12/72
Pilot Duty
470
470
470
Defrost: SPST NC
120VAC 208VAC 240VAC
Resistive Amps
16
16
16
Horsepower Rating (hp)
½
¾
1
Pilot Duty (VA)
470
470
470
ERC2 Control Instructions,
continued