
FINNED TUBE HEATER - WD-L / GG-L
Introduction
In the interest of safe use you are obliged to read this manual carefully and comply with the safety and operating
instructions.
Safety regulations
• The installation of the nned tube heaters must be performed by an approved installer and must be inaccordance
with local regulations.
• Please make sure there is a free airow across the ns.
100 mm in all directions
• In accordance with applicable standards the power rating of the heater is such that the temperature of the heater
will not exceed 85°C above ambient.
• Do not cover the heater.
• Direct contact with the heating elements must always be prevented.
• The thermostat sensor must always be mounted at the top of the tube for a proper protection.
• The heater should be safeguarded in accordance with local regulations.
• Before opening the junction box, the heater must be allowed to cool down and the power switched o.
Technical specications
Voltage 230V -10/+5%
Frequency 50.... 60 Hz
Power rating see type-plate
Relative humidity 20-80%
Ingress protection IP65
(When there is a built-up thermostat mounted the protection is IP30)
This heater complies with the CE directives.
Cable connection by plastic cable gland M20.
Type WD-L is (grey) epoxy coated, GG-L is galvanized.
Application
• Finned tube heaters are used in normal dry environments and in moist environments where “non-ammable
material” is stored, in compliance with IEC 60364.
Installation instructions
• Please make sure whether the local voltage is in accordance with the voltage mentioned on the type-plate of the
nned tube heater.
• The safety regulations must be obeyed.
• The heater is suitable for xed wiring as well as cord and plug.
• In case of xed wiring we advise to mount a 2-pole switch, contact distance >3mm (disconnecting switch)
• The nned tube heater should be mounted horizontally.
• Earthing as specied in the low voltage regulations is mandatory.
• Never mount the heater directly underneath a wall socket or thermostat.
Commissioning
• Before turning on the heater please check whether it is connected properly and there are no visible defects.
Operation
• Through natural ventilation across the ns the nned tube heater provides heat convection and radiation and does
not carry any control functions.
• If a room thermostat is mounted it should be set to the desired value.
Maintenance
• Under normal use and conditions the heater is maintenance free. It is recommended to keep the heater free from
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63,
CH-6331
Hünenberg
Tel: +41
41
798
00
98