Carel pCO2

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Program for pCO¹ pCO

and pCOC

Modular Standard HP Chiller

1/4 screw compressor with Carel driver

Manual version 1.0 – 25 September 2003

Program code:

FLSTDmMSDE

Main Page

Default Chapter5
- Table of Contents5
1 Applications and Functions Performed by the Software7
2 The User Terminal8
3 Plan Management Among Cards10
- How to Assign the Plan Addresses10
4 Installing Default Values11
5 Selecting the Language11
6 List of Inputs/Outputs12
- Chiller-Only Unit - Machine Type "012
- Chiller Unit + Heat Pump - Machine Type "113
- Chiller Unit with Freecooling - Machine Type "214
- Chiller-Only Unit - Machine Type "315
- Chiller Unit + Heat Pump with Gas Reversing - Machine Type "416
- Chiller Unit + Heat Pump with Water Reversing - Machine Type "517
7 List of Parameters18
8 Screens23
- List of Screens23
9 Electronic Expansion Valve24
- Driver Parameters24
- Special Function "Ignore25
10 Control26
- Inlet Temperature Control26
- Outlet Temperature Control27
- Control of Water /Water Chiller Only Units27
- Control of Water/Water Chiller Unit with Gas Reversing Heat Pump28
- Control of Water/Water Chiller Unit with Water Reversing Heat Pump28
11 Types of Controlled Compressors29
- Stepped Capacity Control29
- Stepped Capacity Control with Control at Inlet30
- Stepped Capacity Control with Control at Outlet30
- Continuous Capacity Control31
- Continuous Capacity Control with Control at Outlet32
12 Compressor Rotation33
13 Starting a Single Compressor34
- Starting the Compressor Motor34
- Compressor Start Restrictions34
14 Forced Capacity Control35
15 Solenoid-Valve Management36
16 Pump-Down36
17 Condensation Control37
- On/Off Condensation Linked to Operation of Compressor37
- On/Off Condensation Linked to Pressure or Temperature Sensor37
- Modulating Condensation Linked to Pressure or Temperature Sensor37
- Prevent Function37
18 Defrosting Control for Water/Air Machines38
- Types of Defrosting38
- Type of Defrosting Start/End38
- Defrosting a Circuit with Time/Temperature Control38
- Defrosting a Circuit with Time/Pressure Switches Control38
- Operation of Fans During the Defrosting Stage38
19 Free Cooling Control39
- Free Cooling Activation Condition39
- Free Cooling Thermostat40
- Free Cooling Disabling Conditions41
- Free Cooling On/Off Valve41
- Free Cooling On/Off Valve with Stepped Condensation42
- Free Cooling On/Off Valve with Inverter Controlled Condensation43
- Volt Free Cooling On/Off Valve44
- Volt Free Cooling On/Off Valve with Stepped Condensation44
- Volt Free Cooling Valve with Inverter Controlled Condensation45
20 Alarms47
- Serious Alarms47
- Circuit Alarms47
- Warning Only Alarms47
- Pressure Differential Alarm Management47
- Antifreeze Control48
- Pco Alarms Table49
- Driver Card Alarms49
21 Alarm Log50
- Standard Log50
- Advanced Log50
- List of Alarm Log Codes51
- Short Summary of Alarms Coming from Driver52
22 Supervisor53

Table of Contents

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