Biddle HR 25 - Composition of the Biddle Control Cable

SERVICE HEAT RECOVERY UNIT
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7.9 Composition of the Biddle control cable
The control cable for the control system is constructed as fol-
lows:
• The plugs are modular connectors of the type 6P4C.
• Connectors are untwisted, i.e. at both ends of the cable,
cores are connected to the same electrode.
Colour coding of Biddle cables
E
LECTRODE COLOUR
1 (not used)
2black
3red
4 green
5yellow
6 (not used)