FläktGroup Multi-DENCO - Connecting Signal Cabling

Electrical Connections Multi-DENCO
92 FläktGroup DC-2013-0101-GB • Subject to modifications • R5-08/2020
7.3.5 W-Version
The WaterCool module includes a terminal box to make installation process easy.
– Interconnecting cables between the WaterCool module and the Multi-DENCO unit
are not provided
• Always refer to the unit specific electrical wiring diagram for connection details.
7.4 Connecting signal cabling
7.4.1 Signal cable installation
Maximum cable length: 100 m
Minimum cable
cross-section: 1.5 mm
2
– Multi-DENCO units are designed for cable entry from the BOTTOM of the unit.
– Secure any interconnecting cables within the unit and ensure that the cables cannot
make contact with the fan or any hot components.
– Do NOT remove any unused rubber glands or blanking plugs.
– Do NOT drill any holes in the top panels of ANY electrical cabinets.
– Cable routing must consider that some electrical panels can rotate on hinges.
– Signal cables must enter the controls cabinet at the side of the cabinet, through the
rubber grommets provided
7.4.2 Remote Monitoring Touch Screen Display
A wall-mountable plastic panel box containing a PGD-X display and a 24 V DC power
supply can be installed up to 50 m away from a unit. Communication is made using a
2-core 22AWG stranded twisted pair screened cable (e.g. Belden 8761) connected to
+ / - / GND terminals used for DencoNet (see chapter 7.4.4 "Network wiring").
A 230 V AC power supply is required with a recommended 2 A fuse or similar.
Components are easily removable and can be used with alternative mounting acces-
sories (not included).
Control
Actuator 4 core minimum 0.75 mm
2
Tab. 7-4
NOTE!
This chapter is for C5-12 controls only.
NOTE!
For all electric connections ensure that control and safety signals (24 V AC) are run
in a separate cable to the mains power cable (e.g. 400 V AC / 230 V AC). Where
power and signal/control cables have to run together, then a minimum gap of 30 mm
between each category is to be maintained. Ideally, power and signal/control cables
should never cross, but if unavoidable, ensure that they cross at 90°.