6
2.3
Internal components electrical connection box
Fig. 2
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 mains 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
Manual over heat protection reset (EL units only)
11
TTC El heater control (EL units only)
12
Switch module
13
Panel outlet
154394 | A001
