Danger
• Make sure that the Mains 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 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 1).
Fig. 2 Electrical components
Position
Description
1
Regulator E-28
2
Transformer 230/24V AC
3
Terminals for internal and external components
4
Terminals for internal wiring
5
Terminals for mains 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)
Topvex FC
Operation and Maintenance Instructions
125918
4
Systemair Sverige AB
