Duct heater DH-R
22
tel. (22) 751 95 50
www.venture.pl
fax. (22) 751 22 59
5. MAINTENANCE, REVIEW
5.1 Maintenance guidelines
During maintenance and review please follow the guidelines contained in point 1.2
The heater has to be subject to regular and thoroughly review and maintenance (point 5.2).
To clean the heater, use a slightly moistened cloth. Using detergents and liquids under pressure and tools that may scratch the surface of the
device is prohibited.
Prevent the build up of dust deposits on and in the heater. Accumulation on dirt and dust can cause unpleasant odours and risk of ignition. If
the device is protected by an air filter, the condition of its purity should be checked regularly, and if necessary, it should be replaced with a new
one.
The service intervals between routine examinations and inspections should be determined by the user, based on the observation of the
device and adjusted to obtain the specific conditions of work and operation. In case of any irregularities, the device should be taken out of
service and repaired immediately.
After maintenance and review please ensure that there are no foreign objects (e.g. assembly components, tools) are not found inside the
heater, the unit is dry and properly secured.
5.2 Review and maintenance
During reviews, and in particular before the first operation and after long periods of storage of the device, special attention should be paid to:
cleanness of the device,
stability of the unit, if its does not wear signs of damage, its the structure is complete,
foreign objects or loose parts inside the heather,
occurrence of corrosion,
whether the electric cables are not damaged,
whether the safety equipment is set and functioning properly and whether the shock protection is effective,
occurrence of mechanical damages of the heater (heating elements, junction box, etc.),
whether there is no short circuit in the junction box (humidity, etc.),
the value of the insulation resistance of electric heating elements (not lower than 1,0MΩ),
The appropriate condition of fasteners (fasteners are tightened).
During operations of the device, and in particular at the first operation, special attention should be paid to:
if the device is functioning properly,
whether there are excessive amount of leakage current. Large leakage current may indicate, among other things, poor insulation of heating
elements or damaged cable insulation.
If during operation of the device, power device specified on the rating plate is exceeded, please check following:
whether the given voltage and frequency corresponds to the nominal,
if there is no mechanical damage of the heater (heating elements, junction box, etc.),
if there is no short circuit in the junction box (humidity, etc.)..
5.3 Examples of reasons for activation heater’s limiters
air flow below 1,5m/s,
too high air temperature in the heater,
incorrect electrical connection,
solid inside the heater or the fan unit.
6. REPAIR, WARRANTY
Use only original spare parts and original accessories. Heaters repairs need to be carried out by Venture Industries Sp. z o.o. service or outside,
after manufacturer permission only. Warrantee conditions are described in guarantee card.
7. DISMANTLING AND RECYCLING
Disconnect unit from its power supply, and dismount according to the guidelines from section 1 of this instruction. Therefore, please deposit all
left-over material and packaging in their corresponding recycling containers and hand in the replaced machines to the nearest to the nearest
company dealing with waste disposal.