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Switch Contact Closed = Heating Enabled (cold day)
Switch Contact Open = Heating Disabled (warm day)
WARNING:
Do not apply any voltage to terminal IN1 as this will damage the CCS PCB.
NOTE: To promote increased energy saving a more advanced weather compensation control strategy
is available from Biddle. Using a heating curve, the discharge air temperature of the airstream coming
from the air curtain is controlled against the outside air temperature. Visit the Biddle website for details.
MULTIPLE AIR CURTAIN SYSTEMS
To Master/Slave two or more air curtains together, or if there are two air curtains in a vertical stack, the
remote control is plugged into the first unit (the Master) and a RJ extension lead then connected from
the Master to the Slave unit(s).
For horizontal and vertical Master/Slave configuration an independent mains supply as per Table 1
must be supplied to each air curtain. The electrical supply to the top air curtain may be routed via the
bottom air curtain. Horizontal application air curtains, up to a maximum of eight units, may be connected
as indicated below. 3m RJ extension leads are available and should be ordered separately. They are
supplied as standard with vertical stack units.
Version 5.0 (Original Manual)
INVISIDOR STYLE
AIR CURTAIN: Installation, Operation & Maintenance Instructions
2
Figure 11
Outdoor Air
Thermostat
Page | 23
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