SystemAir SAVE VTR 200/B, Installation And Service

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Fig. 9 External connections on the print card
Position Description Remark
1
Outdoor/exhaust air damper Normally open, 230 V 1~, max 0,1 A /
24 VAC 1 A
2
Outdoor/exhaust air damper Reference
3 Outdoor/exhaust air damper Normally closed, 230 V 1~, max 0,1 A /
24 VAC 1 A
4 Sum alarm Normally open, 24 V, max 1 A
5
Sum alarm Reference
6 Sum alarm Normally closed, 24 V, max 1 A
7
GND Reference
8 Water cooler control signal (AO2) 0–10 V DC
9
GND Reference
10 Water heater control signal (AO1) 0–10 V DC
11
GND Reference
12 Bypass damper/Rotor control (AO3) If used, 0–10 V DC
7.11 External connections on top of the unit
Two of the connections on the main print card are wired to plugs on the unit casing:
• connection to an external control panel through a modular connector.
Maximum cable length: 50 m.
Cable type: Flat 4–conductor CEC Phone cable.
• External Modbus connector.
Maximum cable length: 90m in cable duct + 10 m in working area.
Cable type: LAN TCP Cat5E 4x2XAWG24 cable.
• connection to DI 3 with possibility to configure the fan speeds individually through a potential free
on/off switch
1. Connection to DI 3 through an on/off switch
2. Connection to control panel
3. External Modbus connection
4. Cable glands
8 Before starting the system
When the installation is finished, check that:
• The unit is installed in accordance with the instructions
SAVE VTR 200/B Installation and Service
208061
19 Systemair Sverige AB