Topvex TR800, TR1300, TR1800, TR4000
Operation and Maintenance Instructions
Systemair Inc.
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2.3.3 Electrical Connection Box Topvex TR4000
Topvex TR4000 are equipped with a built in controller and internal wiring (Figure 5).
1
3
4
5
2
6
7
Fig. 5 Electrical components Topvex TR4000
Position
Description
1
Controller E-28 (UC)
2
Transformer 208-230/24VAC (TR24)
3
Terminals for internal and external components (TB3)
4
Terminals for internal wiring (TB2)
5
Terminals for main power voltage to the unit (TB1)
6
Contactor (K1) On/Off rotor motor
7
Automatic fuse (AS1)
8
Thermal overload relay (TOR)
Table 4: Description of electrical components Topvex TR4000
Note:
For pre-heater components, please refer to the “HWC-EPH Installation Instructions” manual (420353).
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