20
Wiring
MUST
The Indirect
Thermal cut-out MUST NOT be bypassed.
Heating System Controls
refer to the controls manufacturers’ instructions, supplied with the controls selected, for alternative system
wiring schemes.
Immersion Heater(s)
To remove the blanking plug:
Fitting additional immersion heater:
Figure 12 - Indirect Wiring layout
L
N
1 2 3
Control Housing Details
Element Connections
1.5mm² 3 Core
HOFR sheathed
cable
Indirect control
wiring
Unvented Hot Water Cylinder
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