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If there is no heat, check the following:
a) Power supply to electric heater; check
fuses and circuit-breaker (if any).
b) Thermostat settings and actual
temperature.
c) That the output selector (if any) is set
correctly.
d) That the overheat protection has not
been released. If so, please check
description on next page.
Overheating
(applies to units with electric heat)
The Thermozone is equipped with an
overheat protector. If it is released due to
overheating, reset as follows:
a) Disconnect the electricity with the fully
isolated switch.
b) Investigate the matter and repair the
fault.
c) Reset is performed as follows:
• Dismount the service hatch on the
underside of the unit.
• Locate the red buttons.
• Press the buttons until a click is heard
(you do not have to press them
simultaneously).
d) Connect the Thermozone again.
If the error cannot be fixed, please contact a
qualified service technician.
Security
• Ensure that the area around the intake and
exhaust grille is kept free from material
which could prevent the air to flow through
the unit!
• During operation the surfaces of the unit
are hot!
• The unit must not be covered fully or
partially with clothes, or similar materials,
as overheating can result in fire risk!
Maintenance
NOTE! Disconnect electricity prior to cleaning
or inspection (units with electric heat can be
supplied from more than one connection).
The fan motors and the other components
require no maintenance other than cleaning
when necessary, however at least once year.
Grille, impeller and elements are vacuum
cleaned or dried clean with a damp cloth.
Open the inspection hatch to reach elements
and impellers.
22
Thermozone AC 400
Safety cut-out
(applies to units with electric heat)
If the installation is protected by means of a
safety cut-out, which trips when the
appliance is connected, this may be due to
moisture in the heating element. When an
appliance containing a heater element, has
not been used for a long period and is stored
in a damp environment, moisture can enter
the element. This should not be seen as a
fault, but is simply rectified by connecting
the appliance to the mains supply via a
socket without a safety cut-out, so that the
moisture can be driven out of the element.
The drying time can vary from a few hours
to a few days. As a preventive measure the
Thermozone should occasionally be run for
a short time when it is not being used for an
extended period of time.
The garantee is only valid if the
Thermozone units are used in the
manner intended by the manufacturer
and in accordance with the installation
and maintenance instructions.
Manufacturer
Our products are manufatured in accordance
with applicable international standards and
regulations.
Frico AB
Box 102
SE-433 22 PARTILLE
SWEDEN
The manufacturer hereby declares that the
following products
AC401, AC402, AC412, AC418,
comply with the following EC-directives.
EC Declaration of Conformity
Defined by the EC Low Voltage Directive
73/23/EEC.
The following harmonised standards are in
use:
SS-EN 60 335-1: 1988, A2, A5, A6,
A51- A54, A56
SS-EN 60 335-2-30: 1992, A51, A52
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