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4. Wiring the Chimney Fan
4.1 General
Danger: Turn off electrical power before servicing. Contact with live electric components can
cause shock or death.
All electrical wiring must be in accordance with requirements of authority having jurisdiction or, in
absence of such requirements, with National Electrical Code NFPA 70 — latest edition. If an external
electrical source is utilized, system must be electrically grounded in accordance with requirements of the
authority having jurisdiction or, in the absence of such requirements, with the National Electrical Code
NFPA 70 — latest edition.
Safety devices, such as a Pressure Differential Switch (fan proving switch) must be wired so they shut
down all appliances connected to the chimney.
Wiring diagrams can be found on the following pages.
Power requirements for the system depends on the fan size. Electrical requirements are:
RS 9
1 x 120 V/60Hz 0.4 Amps
RS 12 1 x 120 V/60Hz 1.2 Amps
RS 14 1 x 120 V/60Hz 1.4 Amps
RS 16 1 x 120 V/60Hz 3.9 Amps
The chimney fans have a split capacitor motor with infinitely variable speed.
The fan speed control supplied is rated 1x120V/60 Hz and 5 Amps. It has an adjustable low voltage set
point of min. 65 V +/- 5 V.
Notice: If any of the original wire supplied with the system must be replaced, use
similar wire of the same temperature rating. Otherwise, insulation may melt or degrade,
exposing bare wire.
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