Wiring Diagrams - Grant Combi 90 V3 User, Installation & Servicing Instructions

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12.1
Control panel wiring diagram - Outdoor Combi 90 V3 and Combi Max
Refer to Section 6.
If a room thermostat is fitted, it must be wired in series with
the time control and the boiler terminal S/L 1.
Colour code: Br - Brown, R - Red, Bl - Blue, Y - Yellow, G/Y - Green/Yellow, Blk - Black, Or - Orange
Outdoor Combi 90 V3, Combi Max and Condensing Combi

12 - WIRING DIAGRAMS

Note: If a single channel timer is used, a link must be fitted
between terminals 2 and 3.
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