Danfoss iC7 Series Operating Manual page 77

iC7 Series Cooling Modules
Operating Guide
Ext. Aux. Power Supply
Main Power Supply
* Dual-pump variant only
** Not installed with external auxiliary power supply
Optional
Illustration 49: Power Block Diagram
11.7 Mains Connections
Table 20: Mains Connections
Item/function
Input voltage U
in
Auxiliary input voltage U
in
Input frequency
Supply network
Danfoss A/S © 2022.02
Circuit
Breaker
Aux. voltage
transformer
**
Circuit
Breaker
**
Main Main
switch Fuses
Data
3 x 380–415 V AC ±5%
3 x 440–480 V AC ±5%
3 x 500–525 V AC ±5%
3 x 575–600 V AC ±5%
3 x 660–690 V AC ±5%
1 x 110–240 V AC ±5% (required only with the option +SLEH cabinet heater)
>50/>60 Hz
TN-S, TN-C, IT and TT
Cabinet
Circuit
Heater
Breaker
Aux. Relay
Ambient
Temp./
Humidity
Sensor
24 VDC
Sensor
Power
Box
Supply
Control Unit
Pump 1
Pump 1
Overload
Contactor
Relay
Pump 2
Pump 2
Overload
Contactor*
Relay*
Coolant
Circuit
Heater
Breaker
Contactor
AQ339830072437en-000202 / 172F0589 | 77
Specifications
Cabinet
Heater
3-Way Valve
Actuator
Leakage
Detector
Expansion
Tank
Level
Switch
Pump 1
Pump 2*
Coolant
Heater