ENG
Operating Manual | Attachment and Installation Cooling Units | Standard Controller (SC) – 400 V, 2~ | 086100115 11/68
3 Unit description
3.1 Unit structure
The Pfannenberg add-on and built-in cooling units of the DTS and DTI series are designed for heat dissipation from switch
cabinets. Sensitive components in the switch cabinet are protected. Condensate produced during cooling is discharged through
a built-in system.
• The cooling units operate with refrigerant that is very difficult to ignite and is not harmful to the ozone layer.
Fig. 1: Unit structure (example DTS cooling unit)
1 Unit cover
2 Display unit (SC)/control unit (MC)
3 Condenser
4 Condenser fan (external)
5 Condensate drain
6 Hight pressure switch
7 Compressor
8 Evaporator fan (internal)
9 Connection compartment with cover
10 Evaporator (internal)
11 Temperature sensor TS2 (only for MC-Controller)
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