SAVE VTC 700 SERVICE AND ACCESSORIES INSTALLATIONV1

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Service
3 Remove the top cover plate (pos. 1) by removing 2 screws (pos. 2) in the
lower front edge of the plate.
All external connections to possible accessories are made to terminals on
the connection box (chapter 4.4.2).
4.4.1 Main circuit board layout
The SAVE VTC 700 is equipped with built-in regulation and internal wiring.
Fig. 6 Main circuit board connections
Position Description
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
5
Terminals for power supply of supply air fan
6
Terminals for internal relative humidity/temperature sensor
7
Analog input 1 — Outdoor air sensor
8
Analog input 2 — Supply air sensor
9
Analog input 3 — Freely configurable
10
Analog input 4 — Freely configurable / Overheat temperature sensor (units with
heater)
11
Analog input 5 — Freely configurable
12
Digital input 1 — Rotor guard sensor (only for VSR, VTR models)
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