External Connections (Connection Board) - SystemAir SAVE VTC 200-1 Installation Instructions Manual

10
| Electrical connections
Position
CB
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7.2

External connections (Connection board)

External connections to the main circuit board are done via connection board situated inside of the unit.
Fig. 6 Main circuit board connections
Description
Connection to the external connection box
Terminals for a heater
Terminals for a TRIAC
Terminals for the mains power supply
Terminals for power supply of extract air fan
Terminals for power supply of supply air fan
Terminals for internal relative humidity/temperature sensor
Analog input 1 — Outdoor air sensor
Analog input 2 — Supply air sensor
Analog input 3 — Freely configurable
Analog input 4 — Freely configurable / Overheat temperature sensor (units with
heater)
Analog input 5 — Freely configurable
Digital input 1 — Rotor guard sensor (only for VSR, VTR models)
Digital input 2 — Freely configurable / Cooker hood (VTR 150/K unit)
Analog output 2 — Freely configurable / Electrical heater controller (VTC 700 unit)
Analog output 1 — Rotary heat exchanger control signal (for VSR, VTR type models) /
Damper control signal (for VTC, VSC type models), UI6 — Bypass damper feedback
signal (for VTC, VSC type models)
Terminals for speed control of extract air fan
Terminals for speed control of supply air fan
398085 | v01