XSol Diagnostic System

OBSERVATION EXTERNAL CONTROLS FITTED

Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Gain access to PCB (use Insulation Mat as required)

Observation:

What type of external controls are connected to the boiler 24 Volt, 240 Volt or EBUS?

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gw ultracom 2 24cxi h82819 conn x1 insitu.jpg

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24V external controls wiring
connection

240V external controls
wiring connection

EBUS external controls
wiring connection