Product description |
5
2.3.9 Water heating battery
In units with built in water heating battery the hot water coil is located next to the supply air connection. The hot water
coil can be either HWL (hot water coil, low power) or HWH (hot water coil, high power). The coil material is copper pip-
ing with a frame of galvanized sheet steel and aluminium fins. The coil is equipped with venting and immersion sensor
for frost protection.
2.3.10 Electrical heater
In units with built in electrical heater the heating rods are located after the supply air fan in the airflow direction. The
material is stainless steel. The electric heating coil has both automatic and manual overheating protection. The manual
overheat protection is reset by pushing the red button on the side of the electrical heater frame by the use of a pointed
tool (figure 3). The power demand of the electric heating coil is controlled by the main regulator, which controls the
heat according to the desired supply/extract or room air temperature that is set in the control panel.
Danger
• Make sure that the mains to the unit is disconnected before performing any maintenance or electrical
work!
• All electrical connections must be carried out by an authorized installer and in accordance with local rules
and regulations.
Fig. 3 Reset of the manual over heat protection in Topvex SR 03-06.
151618 | A002
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