Continental Refrigerator C8IA41 Operation Manual

Easy electronic control for refrigerators, freezers and warmers

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easy Electronic Control

FOR REFRIGERATORS, FREEZERS AND WARMERS

OPERATIONS MANUAL

1-800-523-7138

Continental Refrigerator

A Division of National Refrigeration

& Air Conditioning Products, Inc.

539 Dunksferry Road

Bensalem, PA 19020-5908

P 215-244-1400

F 215-244-9579

www.continentalrefrigerator.com

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Summary of Contents for Continental Refrigerator C8IA41

Page 1 Electronic Control FOR REFRIGERATORS, FREEZERS AND WARMERS 1-800-523-7138 IMPORTANT NOTE: Any unauthorized changes to Tech Service Parameters may Continental Refrigerator damage equipment and void warranty. A Division of National Refrigeration & Air Conditioning Products, Inc. 539 Dunksferry Road SCAN this code...
Page 3: Table Of Contents
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS Page Electronic Control Display and Button Description Initial Sequence of Operation Electronic Control User Level Parameters How to Change the Set-Point How to Initiate a Manual Defrost How to Change the Defrost Interval How to Turn the AUX (Anti-Condensate) Heaters ON/OFF How to Calibrate the Temperature Display How to Change the High and Low Temperature Alarm Set Points...
Page 4: Electronic Control Display And Button Description
ELECTRONIC CONTROL DISPLAY AND BUTTON DESCRIPTION AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM The control icons shown above will be illuminated when the associated function is active. If the icons are flashing, it means the function will be activated after the controller delays are finished.
Page 5: Electronic Control User Level Parameters
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM ELECTRONIC CONTROL USER LEVEL PARAMETERS User level parameters give the end user the option to customize their control. TO ACCESS AND CHANGE USER LEVEL PARAMETERS •...
Page 6: How To Change The Set-Point
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO CHANGE THE SET-POINT The set-point is the temperature at which the compressor will shut off. Please note the set-point is not the cabinet holding temperature. Please refer to Page 4 for an explanation of set-point and differential.
Page 7: How To Initiate A Manual Defrost
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO INITIATE A MANUAL DEFROST A one-time additional defrost may be necessary to clear accumulated ice from the evaporator coil. Press and HOLD the “UP”...
Page 8: How To Change The Defrost Interval
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO CHANGE THE DEFROST INTERVAL This is used to increase or decrease the frequency of defrosts. If the interval is set at “8”, a defrost will occur every 8 hours.
Page 9: How To Turn The Aux (Anti-Condensate) Heaters On/Off
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO TURN THE AUX (ANTI-CONDENSATE) HEATERS ON/OFF Anti-condensate heaters are located around the door to eliminate condensation. In order to save energy these heaters can be turned off.
Page 10: How To Calibrate The Temperature Display
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO CALIBRATE THE TEMPERATURE DISPLAY The controller temperature display can be calibrated if required. Before attempting to calibrate the tem- perature display, check display by placing a pre-calibrated temperature sensing device in center of the refrigerated compartment and keep doors closed for at least 15 minutes.
Page 11: How To Change The High And Low Temperature Alarm Set Points
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO CHANGE THE HIGH AND LOW TEMPERATURE ALARM SET POINTS The controller has a high and low alarm set point. These values can be modified per the end user requirements.
Page 12: How To Silence The Alarm Beeper
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO SILENCE THE ALARM BEEPER When a high or low temperature alarm is activated AL (low) or AH (high) will flash in the display alternating with the current cabinet temperature.
Page 13: How To Switch The Controller Off/On
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO SWITCH THE CONTROLLER OFF/ON IMPORTANT: The controller can be switched OFF. This just switches OFF the controller. If servicing, the appliance must be unplugged.
Page 14: How To Lock/Unlock The Controller Keypad
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO LOCK/UNLOCK THE CONTROLLER KEYPAD The controller keypad can be locked to eliminate any unwanted changes to the controller functions. Press and HOLD the “SET” button until “PS” appears flashing in the display.
Page 15: How To Access The Tech Service Parameters
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO ACCESS THE TECH SERVICE PARAMETERS The controller has a tech service level of parameters. Please consult with Continental’s service depart- ment before accessing these parameters.
Page 16: How To See The Evaporator Probe Temperature
AUX HTRS (UP) COMPRESSOR EVAP FAN SET (MUTE) DEFROST DEFROST 2 BUTTONS POWER (DOWN) AUX HTRS ALARM HOW TO SEE THE EVAPORATOR PROBE TEMPERATURE It may be useful for tech service personnel to see the temperature of the evaporator probe. Press and HOLD the “SET”...
Page 17: How To Activate Ezy Set Parameters/Restore Factory Settings
ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS HOW TO ACTIVATE EZY SET PARAMETERS/RESTORE FACTORY SETTINGS This is used to activate other preprogrammed parameter settings. TABLE OF PREPROGRAMMED PARAMETER SETTINGS MEDIUM TEMP: COEA21K LOW TEMP: C8IA41 SELF CONTAINED CONTROL SPLIT CONTROL SET 1 RESTORE FACTORY SETTINGS...
Page 18: Control Troubleshooting
CONTROL TROUBLESHOOTING Problem Cause Checks 1. Wait for compressor safety delays The compressor does 1. Compressor safety delay or defrost dripping time to finish. not start (signalled in progress or defrost post Parameters: c0, c1, c2, c3, and dd. The by the compressor dripping in progress maximum delay should not exceed 3...
Page 19 easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS CONTROL TROUBLESHOOTING (Continued) Problem Cause Checks 1. Make sure probes are installed in proper terminals. See parameter section of manual for wiring locations. Make sure the green terminal block on the self- contained control is fully seated.
Page 20: Electronic Control Error Codes
ELECTRONIC CONTROL ERROR CODES Alarm Code Alarm Description Notes Regulation Probe Error Located in return air stream (black) Evaporator Prope Error Located in evaporator coil (red) Ambient Probe Error Located by condensing unit (white) Low Temperature Alarm Reference “AL” & “Ad” alarm parameter High Temperature Alarm Reference “AH”...
Page 21: How To Remove The Electronic Control
easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS HOW TO REMOVE THE ELECTRONIC CONTROL Turn off power to the unit. Place tip of small flat head screw driver under plastic bezel and gently pry up on bezel to remove. Use a PZ1 screw driver (#1 Phillips will also work) and turn both screws ¼...
Page 22: Split Control Parameters
SPLIT CONTROL PARAMETERS 1.215/.216 REV. 5/21/2019 Par. Description Level Unit measurement stability: lower quicker resp probe display response: lower quicker resp probe display select 1: box 2: evap 3: amb units in °C (0) or °F (1) decimal display (0) or not (1) /C1 probe 1 offset (display) User °F...
Page 23 Display Interface SERIAL PROG REGULATION PROBE: BLACK CONV DEFROST PROBE: RED up to 5m AMBIENT PROBE: WHITE Ambient probe not installed on: Use copper conductors only *C8IA41>38DNH *C8IA41>38DOT Power Supply 115/230/Vac (depending on the model) 24A max (*) OPERATIONS MANUAL...
Page 24: Self-Contained Control Parameters
SELF-CONTAINED CONTROL PARAMETERS 2.015/.016 PARAMETERS Rev. 10/29/2019 Par. Description Level Unit Set Set Set Set measurement stability: lower quicker response probe display selection 1: box 2: evap 3: amb units in °C (0) or °F (1) decimal display (0) or not (1) probe 1 offset (display) User °F...
Page 25 easy ELECTRONIC CONTROL FOR REFRIGERATORS, FREEZERS AND WARMERS If control number not listed here, please consult factory. Celsius Temps in °C. Par. Description Level Unit Set Set alarm and fan temp differential °F -1.2 low temp alarm °F -1.1 high temp alarm °F temp alarm delay fan duty on time...
Page 26: Warmer Control Parameters
WARMER CONTROL PARAMETERS If control number is not listed here, please consult factory. Par. Description Level Unit Measurement Stability: Lower quicker response Units in °C (0) or °F (1) decimal display (0) or not (1) probe 1 offset (display) User °F set point (cutout) User...
Page 28 A Division of National Refrigeration & Air Conditioning Products, Inc. 539 Dunksferry Road • Bensalem, PA 19020-5908 Phone: 215-244-1400 • Toll Free: 800-523-7138 www.continentalrefrigerator.com IM-EC-50154-20191120...

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