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PRECAUTIONS
We strongly recommend installing a back-up thermostat on stage 2
(refer to the wiring diagram enclosed with this user's manual to
connect the thermostat) as well as an independent failure alarm
system and a curtain drop or manual winch .
Fuses at the input and outputs of the controller adequately protect its
circuitry in the case of an overload or overvoltage. However, we
recommend installing an additional protection device on the supply
circuit as well as an external relay on stage 2 to prolong the life of the
controller.
To avoid exposing the controller to harmful gases or excessive
humidity, it is preferable to install it in a corridor.
The room temperature where the controller is located MUST
ALWAYS REMAIN BETWEEN 0° AND 40°C (32° AND 104°F).
DO NOT SPRAY WATER ON THE CONTROLLER
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TC4-NVS/P.rev.05
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