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Accessories
12.5 Installation/Maintenance
12.5.1 Outdoor/Exhaust air dampers
If manual fan stop is activated, the unit should be provided with dampers in exhaust and outdoor ducts to avoid cold
draught and risk of condensation when the unit has been stopped.
• H — contactor
• U- outdoor air damper
• V — exhaust air damper
• 1 — Outdoor air
• 2 — Supply air
• 3 — Extract air
• 4 — Exhaust air
Component/product — Article number:
• TUNE-R-125-3-M4 (U/V) — 311968
• Contactor BC6-30-10–01 24V — 211650
Installation and connection
1. Install dampers.
2. Connect output of contactor switch (H) to dampers.
3. Connect any free digital output and 24V to control terminals of contactor switch (H).
4. Connect 230 V to input of contactor switch (H).
Fig. 18 Damper connection
Configuration
1. Go to Service menu
2. Enter password (default 1111)
3. Configure the contactor switch that controls the dampers. Go to Output menu. Select DIGITAL tab. Select the digital
output to which the contactor is connected. Example if it is connected to DO3 on the connection board, then select
DIGITAL OUTPUT 3 and select signal type as Outdoor-/Exhaust Air Damper from the output type list.
211473 | A001
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