ENG
Operating Manual | Roof-mounted Cooling Unit | Multi Controller (MC) – 230 V | 086100023d 49/80
4.6.7.1 Electrical connection of the cooling unit
The device corresponds to overvoltage category II.
Fulfill the following general requirements to ensure safe and reliable operation of the cooling unit:
• Connection of an upstream temperature control on the feed side is prohibited.
• Connect the upstream fuse specified on the type plate as line protection, see chapter "Type plate", Page 25and
"Adapting the unit to the mains voltage", Page 50.
• Always connecting the cooling unit to the mains via a disconnecting device (switch/contactor).
– The disconnecting device must have a 3 mm contact opening. The disconnecting device is provided and fitted by
the customer.
• Install an all-pole sine filter (phase-phase and phase-earth) when using a frequency converter.
Fig. 25: Cooling unit mains plug
1 Cooling unit
2 Switch cabinet
3 Socket X51
(only on units with MC-Controller)
4 Socket X50
5 Ground connection
6 Coding pins
7 Plug
8 Screwdriver (flat, max. 3.5 mm)
9 Cable 0.5 to 2.5 mm²
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