BOILER CONTROL WIRING TERMINALS
Terminal Identifier Description
1 N Neutral
2 L Live feed (230V AC)
3 COM Linked Live feed
4 N.O. Switched Live (Normally Open [N.O.] contact)
TYPICAL WIRING INSTALLATION
RT500BC INSTRUCTION MANUAL
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Boiler Control Boiler
Salus RT500BC Boiler Control 026_89 21/01/2012 18:18 Page 6
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