SystemAir Topvex Series - Topvex TR Pre-Heater Electrical Components

Topvex Series
HWC - Hot Water Coil,
ELP - Electric Pre-Heater installation instructions
Systemair Inc.
20
3.3.2 Topvex TR Pre-Heater Electrical Components
Position Description
1 Automatic fuse for pre-heater (AS3)
2 Contactor (K4) for On/Off control of pre-heater
3 Automatic overheat protection reset (OT2)
4 Manual overheat protection reset (ET2)
5 Heater control board (TTC2)
6 Heating rods pre-heater
7 Filter
Fig. 3 Topvex TR Pre-heater electrical components
Table 2: Description of pre-heater components