Dimplex Coldwatcher MPH 1000 Manuel d'instruction - Page 6
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THERMAL OVERLOAD CUT-OUT
The built-in overheat cut-out switches off the appliance automatically in the event of a
fault. Disconnect the electricity supply to the appliance. After a short cooling down phase,
the appliance is ready for use again. If the fault should occur again, follow the advice in
the "After Sales Service" section.
Operations
provided in the area surrounding the heater. The Heater will also guard against frost in a
confined space such as a small greenhouse or unheated WC, provided the volume of the
space in which it is installed is appropriate to its heat output. Users must satisfy themselves
that the heat provided is adequate in all circumstances for the area to be protected.
Please be aware that frost protection is dependent on using the correct number of heaters
for the size of the area, its insulation levels and heat-loss conditions. More than one heater
may be required.
USING THE HEATER IN A GREENHOUSE
IMPORTANT: Do not use this product
as a portable product in a greenhouse.
Securely fix the product to a wall or floor,
as described in the installation section.
Important: The electricity supply to a
greenhouse should be installed by a
competent electrician in accordance
with the IEE wiring regulations. It is
recommended that residual current circuit
breaker (RCCB) protection is used.
The heat output of the Cold Watchers are similar to that of a small single burner
greenhouse paraffin stove, however it has the advantage that they may be switched on
overnight as a precaution against frost with the knowledge that they will not consume
current on the frost setting unless the temperature in the vicinity of the heater falls below
approximately 3°C to Minus 5°C.
If only one heater is being used in a full size greenhouse, it will be necessary to partition
off that which requires frost protection, using for example heavy duty polythene sheeting,
which can also be used to line the glazing of the greenhouse to reduce heat losses and
therefore power consumption. As a guide to the effectiveness of a single Cold Watcher
in a greenhouse, it will raise the temperature of the shaded section of the greenhouse
by approximately 8 to 9°C.
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USING THE HEATER FOR FROST PROTECTION
The Heater may be used to protect water-tanks
(see Fig. 4), pipes and other frost-sensitive areas
by setting the thermostat to the Frost position.
When the thermostat is set at this position the
heater elements will emit heat only when the
temperature in the vicinity of the heater falls to
a temperature range of approximately 3°C to
Minus 5°C.
The heater will continue to emit heat until the
surrounding air again reaches approximately 50C
and will then switch off until the temperature falls
again. In this way, frost protection will be