External Connections On The Print Card - SystemAir VTR 100/B LITE Installation And Service

30
| Electrical connections
Fig. 29 Print card
Position Description
1 Main print card
2
Print card for electrical heater
3
Connection to external control panel (connected to unit casing)
4
Mains supply connection between main print card and electrical heater print card
5
Terminals for AI 1–5 (temp sensors) and motor control
6
Terminals for external connections
7
Terminals for mains supply connections
8
Terminals for digital inputs (DI 1–7)
9 Terminals for internal control panel.
10
Terminals for regulated power supply to electrical heater
11
Modbus connection. See "User manual Modbus" for details.
12
Terminals for internal relative humidity sensor
6.2

External connections on the print card

Connection terminals for external equipment can be found on the main print card inside the electrical connection box.
Fig. 30 External connections on the print card
212962 | v02