1 Introduction
1.1 Product description
The product is a pre-heater and duct sensor which is in-
tended for use together with Topvex counterflow units.
1.2 Intended use
The product is used for compensation of heating capacity
and protection against icing in the heat exchanger.
The product is intended for installation together with Topvex
air handling units in ventilation systems with circular or rec-
tangular ducts.
The maximum ambient temperature for the pre-heater is 30
° C.
The maximum temperature of the output air is 50 °C.
1.3 Product overview CB
1. Heating rods
2. Name plate
3. Overheat protection reset button
4. Duct joints with rubber rings
1.4 Product overview RB
1. Electric cabinet
2. Air flow direction arrow
3. Name plate
4. Manual overheat protection reset button
5. Casing
1