Danfoss iC7 Series Operating Manual page 4

iC7 Series Cooling Modules
Operating Guide
6.8 Coolant Quality in the External Circuit
6.9 Purified Water as Coolant
6.10 Antifreeze Mix as Coolant
6.11 Materials
6.12 Pipe Connections
6.12.1 Connecting Pipes with Axilock Joints
6.13 Location of Valves and Instrumentation
6.14 Draining the Cooling System
6.15 Flushing the Pipes
6.16 Doing the Pressure Test
6.17 Filling the Cooling System
6.17.1 Filling the Cooling System by Progressive Circulation
6.17.2 Filling the Cooling System by Forced De-airing
6.18 Checking the Pump Rotation Direction
7 Electrical Installation
7.1 Electrical Safety
7.2 Electrical Components
7.2.1 Control Unit (-AA1)
7.2.2 Main Switch (-QB0)
7.2.3 Fuses (-FC1)
7.2.4 Auxiliary Voltage Transformer (-TA4)
7.2.5 24 V DC Power Supply (-TB7)
7.2.6 Service Switch (-SF3)
7.2.7 Pump Contactors (-QA5.1/-QA5.2)
7.2.8 Thermal Overload Relays (-FCX.1/-FCX.2)
7.2.9 Auxiliary Relays (-KFJ.1-3)
7.2.10 Liquid Heaters (-EBZ.1/-EBZ.2)
7.2.11 Cabinet Heater (-EB1)
7.3 Cable and Fuse Requirements
7.4 Installing the Mains Cables
7.5 Mains Connection Data
7.6 External Auxiliary Voltage Connection
7.7 Routing Control Wires to the Control Compartment
7.8 Instruments and Their Function
7.8.1 Pressure Transmitter (PT11 and PT12)
7.8.2 Temperature Sensor (TE11)
7.8.3 Liquid Level Sensor (LLS11)
4 | Danfoss A/S © 2022.02
Contents
AQ339830072437en-000202/172F0589
27
27
28
28
28
30
30
33
33
34
37
37
38
39
41
41
41
41
41
41
42
42
42
43
43
44
44
44
44
44
45
45
45
46
46
46
46