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Digital Compressor ControllerDigital Compressor Controller
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Co eland Scroll Di ital ControllerCo eland Scroll Di ital ControllerCo eland Scroll Di ital ControllerCo eland Scroll Di ital Controller Simple Controller That Enables OEMs To Use Digital Scrolls
Relieves OEM From Develo in S ecial Controllers
Faster Time To Market
Copeland Controller Functions
- Compressor Contactor
- Capacity Modulation Solenoid
Protection
- Excessive Discharge Temperature
- Low Flow Conditions
-Diagnostics
- 8 Codes Indicating Faults
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Module Is Installed In System Cabinet
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Copeland ScrollCopeland Scroll Digital Digital
Com ressor Dia nosticsCom ressor Dia nostics
Copeland ScrollCopeland Scroll Digital Digital
Com ressor Dia nosticsCom ressor Dia nosticsz Patented Copeland Diagnostics
z Green POWER LED
24VAC Indicator
Flashes During Anti-Short
z Yellow UNLOADER LED
Indicates Solenoid IsEnergized
z Red ALERT LED
as o e n ca ng cALERT Code Is Active
Code Interpreted By
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oun ng um er Flashes (1-9)
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Co eland Di ital Scroll ControllerCo eland Di ital Scroll ControllerCo eland Di ital Scroll ControllerCo eland Di ital Scroll Controller
OEM
Alarm
System Controller
ompressor
Capacity Request
(0-5 VDC)
Capacity
Solenoid
Capacity Signal
CONTACTORCompressor
Start / Stop
z Capacity Solenoid Control
Controller Modulates Solenoid Based On Ca acit Demand
Demand Is Read Once Every 20 Seconds
z Minor Alert Display Appropriate Alarm
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z Major Alert De-energize Contactor To Lock Out Compressor
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Copeland Digital Scroll ControllerCopeland Digital Scroll Controller
O tional Pressure Si nal FilterinO tional Pressure Si nal Filterin
Copeland Digital Scroll ControllerCopeland Digital Scroll Controller
O tional Pressure Si nal FilterinO tional Pressure Si nal Filterin
Alarm
Filtered Suction Pressure
OEMSystem Controller
Compressor
Capacity Request CapacitySolenoid
Capacity Signal
Suction Pressure
CONTACTORCompressor
Start / Stop
z Digital Controller Can Provide Suction Pressure Feedback
5 VDC Suction Pressure Transducer Required
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Algorithm Filters Suction Pressure Swings
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Copeland ScrollCopeland Scroll Digital Digital
Demand Si nal vs. ModulationDemand Si nal vs. Modulation
Copeland ScrollCopeland Scroll Digital Digital
Demand Si nal vs. ModulationDemand Si nal vs. Modulation
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Copeland Scroll Digital ControllerCopeland Scroll Digital Controller
Ke S ecificationsKe S ecifications
Copeland Scroll Digital ControllerCopeland Scroll Digital Controller
Ke S ecificationsKe S ecifications Size
- Depth 6 x Height 4 x Width 2
- Designed To Minimize Footprint In System Electrical Panel
Voltages- Controller Supply: 19-28VAC, 48-62Hz, 2VA Max
- Pilot Voltage Capabil ity: AC Voltages 24, 120, 240
Inputs- Minimum: Capacity Signal 1-5VDC, Discharge Thermistor (100K NTC)
- Optional : Suct ion Pressure Sensor (Controller Wil l Source 5VDC To Sensor)
Outputs- Minimum: Digital Solenoid, Compressor Contactor
- Optional : Suction Pressure, Alarm, Vapor Injection
Operator Interface- 3 LEDs : Green Indicating Module Health
Amber Indicatin Di ital Solenoid O eration
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Red - Up To 8 Flash Codes Indicating Operation Status
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Copeland Scroll Digital ControllerCopeland Scroll Digital Controller
Ke O erational FeaturesKe O erational Features
Copeland Scroll Digital ControllerCopeland Scroll Digital Controller
Ke O erational FeaturesKe O erational FeaturesOperation RulesDigital duty cycle of 15 seconds
Min Ca acit l imited to 10%
Scrolls unloaded for 0.5 sec on start up
Scrolls unloaded for 1 sec on shut down to prevent reverse rotation2 Min anti short cycle enforced on all shutdown
30 minute no start enforced on all hi h tem erature shutdown
Status Codes1 Future
Digital solenoid turned OFF on protector trip
2 High Discharge Temperature Td >268F,Reset Td
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Copeland ScrollCopeland Scroll Digital Digital
Fault CodesFault Codes
Copeland ScrollCopeland Scroll Digital Digital
Fault CodesFault Codes Alert Light Blinks When Any Of 7 Harmful System Conditions Is
Detected
Diagnost ic Alert Light
Blinks 2 Times
Action
Lockout
Alert Code
Code 2
System Condition
High Discharge Temp Trip
Blinks 3 Times
Blinks 4 Times
Blinks 5 Times
Lockout
Lockout
Lockout
Code 3
Code 4
Code 5
Compressor Protector Trip
Locked Rotor
Demand Signal Loss
Blinks 6 Times
N/A
Reduce Capacity
N/A
Code 6
Code 7
Discharge Thermistor Fault
Future
Blinks 9 Times
Trip Compressor
Code 9
Low Voltage
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ro ec ve au s a equ re anua ese
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Code 2Code 2 Hi h Dischar e Tem erature TriHi h Dischar e Tem erature TriCode 2Code 2 Hi h Dischar e Tem erature TriHi h Dischar e Tem erature Triz Event Trigger
Discharge temperature is above 268F OR discharge thermistoru u
z Action
Close alarm relay contacts Display Code 2 Alert Unloader solenoid deenergized
z Event Reset For Restarting Compressor
30 minute cool down timer AND discharge temperature below 250F
z Flash Code Clear/Alarm Relay Contact Open
Compressor must have 60 non-interrupted, ALERT free minutes of
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z Event Trigger
5 High Discharge Temperature trips within 4 hours
z Action
Deenergize compressor contactor Take Compressor Offl ine Close alarm relay contacts Display Code 2 Alert
Unloader solenoid deenergized
z Event Reset For Restarting Compressor
Controller 24VAC power must be cycled on and off
z as o e ear arm e ay on ac pen Controller 24VAC power must be cycled on and off
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Code 3Code 3 Com ressor Protector TriCom ressor Protector TriCode 3Code 3 Com ressor Protector TriCom ressor Protector Triz Event Trigger
Demand 1.4VDC or higher AND
Compressor internal overload protector open OR
Power disconnected to compressor (fuse, breaker, loose wire)
z c on
Deenergize compressor contactor Take Compressor Offl ine Close alarm rela contacts Dis la Code 3 Alert Unloader solenoid deenergized
z Event Reset For Restarting Compressor
Wait anti-short cycle timer delay (2 minutes)
z Flash Code Clear/Alarm Relay Contact Open
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Demand 1.4VDC or higher AND compressor current detected
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Code 4Code 4 Locked RotorLocked RotorCode 4Code 4 Locked RotorLocked Rotorz Event Trigger
Controller senses a locked rotor condition in compressor
z
Action Deenergize compressor contactor Take Compressor Offl ine Close alarm relay contacts Display Code 4 Alert Unloader solenoid deenergized
z
Controller 24VAC power must be cycled on and off
Controller 24VAC power must be cycled on and off
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Code 5Code 5 Demand Si nal LossDemand Si nal LossCode 5Code 5 Demand Si nal LossDemand Si nal Lossz Event Trigger
Demand signal below 0.5VDC
z
Action Deenergize compressor contactor Take Compressor Offl ine Close alarm relay contacts Display Code 5 Alert Unloader solenoid deenergized
z
Demand signal above 0.5VDC AND anti-short cycle timer complete
Demand signal above 0.5VDC
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Code 6Code 6 Dischar e Thermistor FaultDischar e Thermistor FaultCode 6Code 6 Dischar e Thermistor FaultDischar e Thermistor Faultz Event Trigger
Discharge thermistor is not connected to CompressorController
z Action
m max mum capac y o compressor o un oa er modulation
Close alarm relay contacts Display Code 6 Alertz Event Reset For Restarting Compressor
Thermistor reconnected
z Flash Code Clear/Alarm Relay Contact Open
Thermistor reconnected
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Code 8Code 8 Com ressor Contactor FaultCom ressor Contactor FaultCode 8Code 8 Com ressor Contactor FaultCom ressor Contactor Faultz Event Trigger
Compressor current is detected when demand is below 1.4VDC
z Action
Reenergizes compressor contactor
ose a arm re ay con ac s sp ays o e er Unloader solenoid energized
Net effect is to run com ressor unloaded until demand risesabove 1.4VDC again
z Event Reset For Restarting Compressor
z Flash Code Clear/Alarm Relay Contact Open
Demand above 1.4VDC OR no com ressor current detected
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Code 9Code 9 Low 24VAC Su lLow 24VAC Su lCode 9Code 9 Low 24VAC Su lLow 24VAC Su lz Event Trigger
Compressor Controller 24VAC supply below 18.5VAC
z Action
Tri com ressor
Close alarm relay contacts Display Code 9 Alertz Event Reset For Restartin Com ressor
24VAC supply above 19.5VAC AND anti-short cycletimer complete
z Flash Code Clear/Alarm Relay Contact Open
24VAC supply above 19.5VAC AND anti-short cycle
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mer comp e e