Carel ?C2SE

μC
2
SE
electronic control
User manual

Carel ?C2SE Specifications

General

Brand	Carel
Model	?C2SE
Category	Control Unit
Language	English

Summary

IMPORTANT WARNINGS

3. APPLICATIONS

3.2 AIRAIR Heat Pump

Details applications for air/air heat pumps, including circuit configurations.

3.3 AIRWATER Chiller

Details applications for air/water chillers, including circuit configurations.

3.4 AIRWATER Heat Pump

Details applications for air/water heat pumps, including circuit configurations.

3.5 WATERWATER Chiller

Details applications for water/water chillers, including circuit configurations.

3.6 WATERWATER Heat Pump (Gas Circuit)

Application details for heat pumps with gas circuit reversal.

3.7 WATERWATER Heat Pump (Water Circuit)

Application details for heat pumps with water circuit reversal.

3.8 Air-Cooled Condensing Unit (No Reverse Cycle)

Application details for air-cooled condensing units.

3.9 Reverse-Cycle Air-Cooled Condensing Unit

Application details for reverse-cycle air-cooled condensing units.

3.10 Water-Cooled Condensing Unit (No Reverse Cycle)

3.11 Reverse-Cycle Water-Cooled Condensing Unit

3.12 Roof Top Units

4. PARAMETERS

4.1 General Parameters

4.2 Menu Structure

4.3 Parameter Tables: Probe Settings

4.3.3 AntifreezeHeater Parameters

4.3.4 Probe Reading Parameters

4.3.5 Compressor Setting Parameters

4.3.8 Unit Setting Parameters

4.3.10 Alarm Setting Parameters

Parameters for defining and configuring system alarms.

4.3.11 Control Setting Parameters

4.3.12 Timer Setting Parameters

5. PARAMETER DESCRIPTIONS

Probe Settings and Functions

AntifreezeHeater Parameter Details

Heater Set Points and Automatic Antifreeze Start

Compressor Hour Counters and Defrost Settings

Explains compressor hour tracking and defrost configuration options.

Defrost Conditions, Timing, and Delays

Fan Settings Parameters (F*)

Fan Output and Operating Modes

Fan Speed Control and Timing Parameters

Fan DefrostLow Noise and Unit Settings

Fan behavior in defrost/low noise modes and unit configuration parameters.

Unit Settings Parameters (H*)

Evaporator, Compressor, and InputOutput Settings

Capacity Control, Pump Down, and SmartSET Functionality

Explains advanced control features like capacity control, pump down, and SmartSET.

Alarm Settings Parameters (P*)

Flow Switch, Low Pressure Alarms, and Part Load

Alarm Reset, CoolingHeating Logic, and Digital Inputs

TemperaturePressure Alarms and Control Settings

Parameters for temperature/pressure alarms and operational control.

Control Settings Parameters (r*)

Set Points and Compressor Rotation

Compressor Control Types and Dead Zone Settings

Cooling Compensation and Set Points

Deviation, Compensation, and Changeover Settings

Dehumidification, Buffer Tank, and Load Condition Parameters

FreecoolingFreeheating Enable and Management

Detailed explanation of freecooling/freeheating functions and their controls.

Damper Operation, Autotuning, and Compressor Disabling

6. TABLE OF ALARMS

Pressure, Overload, and Flow Alarms

Details specific alarms related to pressure, overloads, and flow.

Probe and General System Alarms

Details alarms related to probes and general system warnings.

Critical Alarms: EEPROM, Communication, and Defrost Errors

Details critical alarms for EEPROM, communication, and defrost issues.

Warnings: Antifreeze, Temperature, and Power Supply

Details warnings for antifreeze, temperature, and power supply conditions.

Driver Errors and Defrost Signals

Details errors related to drivers and defrost signals.

Superheat, Pressure, and Evaporator Alarms

Details alarms for superheat, pressure, and evaporator temperature.

Valve, EEPROM, Probe, and Battery Errors

Details errors related to valves, EEPROM, probes, and battery status.

7. CONNECTIONS, ACCESSORIES AND OPTIONS

Connection Diagram and IO Layout

Expansion Card Functionality

Electronic Expansion Valve (EVD) Driver

Explanation of the EVD driver and its integration.

Fan Control Boards and Speed Calculation

Programming Key Usage

RS485 Serial Options and Terminal Interfaces

10. TECHNICAL SPECIFICATIONS AND SOFTWARE UPDATES

10.1 Technical Specifications

Functional Characteristics, Connectors, and Safety Warnings

Describes functional aspects, connectors, and critical safety information.