Carel MRK00000D0 User Manual

44 pages

To Next Page

µRack

Standard compressor racks single/two circuit

User manual

NO POWER

& SIGNAL

CABLES

TOGETHER

READ CAREFULLY IN THE TEXT!

Default Chapter5
- Table of Contents5
1 Product7
- General Functions7
- Main Characteristics7
2 User Interface8
- Buttons - Leds - Icons8
- LED Display and Icons9
3 Starting the Unit10
- Starting for the First Time10
- Unit Configuration10
- Meaning of the Inputs / Outputs10
4 Compressor Management13
- General Settings13
- Compressor Rotation13
- Compressor Control13
- Number of Compressors Started with Probe 1 Fault14
- Compressors with Different Capacities15
- Manually Enable/Disable the Compressors15
- Special MT-LT Units16
- Compressor Time Settings16
5 Fan and Inverter Management18
- Fan Management18
- Dead Band Control18
- Inverter Management19
- PWM-PPM Management21
- Floating Condenser Control21
6 Various Settings22
- Manual Device Operation22
- Compressor Hour Counter and Maintenance Alarm22
- Set Point Variation from Digital Input22
- Type of Refrigerant22
- Auxiliary Probe Management22
- Prevent High Discharge Pressure23
7 Alarm Management24
- Alarms with Automatic Reset24
- Alarms with Manual Reset24
- Semiautomatic Alarms24
- Alarm Relay24
- Alarms from Analogue Inputs: Temperature Probe and Pressure Transducer25
8 The Supervisor Network26
- Serial Boards26
- Communication Protocols26
9 User Interface26
10 List of Parameters27
11 On/Off Fan Control Board (Code Convonoff0)32
12 Pwm to 0 to 10 VDC (or 4 to 20 Ma) Conversion Board for Fans (Code Conv0/10A0)33
13 Programming Key (Code Psopzkeya0)33
14 Supervisor Management33
15 Default Configurations36
16 Glossary37
17 Technical Specification37
18 Product Codes List38
19 Appendix: Compressor Rack Controller, Examples of Application Diagrams39

Need help?

Do you have a question about the Carel MRK00000D0 and is the answer not in the manual?

Carel MRK00000D0 Specifications

General

Controller Type	Electronic expansion valve controller
Protection rating	IP20
Power Supply	24 VAC/VDC
Communication Protocol	Modbus
Output type	Relay, 0-10V

Related product manuals

Carel MRK00000D0 User Manual

Table of Contents

Carel MRK00000D0 Specifications

Related product manuals