TOPVEX FC OPERATING MAINTENANCE 151628A002

4
| Product description
Danger
Make sure that the mains power supply 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.
2.3 Internal components electrical connection box
Danger
Make sure that the mains power supply 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.
Topvex FC are equipped with a built in regulator and internal wiring (figure 2).
Fig. 2 Electrical components
Position
Description
1
Control unit CU283W-4
2
Transformer 230/24V AC
3
Terminals for internal and external components
4
Terminals for internal wiring
5
Terminals for power supply to the unit
6
Contactor (K2) On/Off Pump control water (HW units only, not
present in EL-units)
7
Automatic fuse
8
Automatic fuse for heater (EL units only)
9
Contactor (K3) EL heater (EL units only)
10
TTC El heater control (EL units only)
11
Switch module
151628 | A002