8
| Electrical connections
1. Main print card
7.1 Main board layout
The SAVE VSR 300/500 is equipped with built-in regulation and internal wiring.
The figure shows the main circuit board. See wiring diagram for more information.
Fig. 4 Main circuit board connections
Position Description
MB
Main circuit board
CB
Connection to the external connection box
1
Terminals for a heater
2
Terminals for a TRIAC
3
Terminals for the mains power supply
4
Terminals for power supply of extract air fan
211458 | A002