WARNING: The unit MUST be earthed. All wiring
must conform to current I.E.E. Wiring
Regulations and all applicable standards and
Building Regulations.
• The unit is suitable for 230V~50Hz Single
phase supply fused at 3A.
• The unit is supplied with a mains rated 3 core
flexible cord (PVC sheathed, brown, blue and
green/yellow 0.75mm
2
).
• A double pole isolation switch with contact
separation of at least 3mm must be used to
connect the appliance to the fixed wiring.
• Boost controls must not be located within
1 metre of a cooker or where they may be
affected by excessive heat or moisture
• Boost controls should be clearly identified and
conveniently located.
•
The boost switch wiring must not be connect
ed to the mains supply.
• The boost switch is connected to the control
board (which is located under the hinged cover
on the top of the unit).
• The boost switch wiring cable access is via a
12mm cable gland.
• The boost switch wiring connection should be
made by the 5v+ and SW terminals on the
control board.
• The boost speed can be triggered by:
- a remote switch/pull cord (a volt free contact
switch) (not supplied)
OR
by any of the following when used with an
intermediate, external relay (available separately
- please contact Vectaire Technical Dept for
further information on the use of this):
-
PIRFF (passive infra red)
-
DRH240 (dynamic remote humidistat)
-
THM (thermostat)
-
a light switch (if more than one light switch is
used,
each one must be a double pole
switch)
• The boost facility features a delay timer, so we
recommend a sprung-return (momentary)
switch is used to prevent the boost being
accidentally left on for longer than intended.
Page 10
Installation - Wiring
