11.4 Airflow Control; Vav/Cav Conversion Kit; 11.5 Installation/Maintenance; Outdoor/Exhaust Air Dampers - SystemAir SAVE VTR 100/B Betriebs- Und Wartungsanleitung

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11.4 Airflow control

11.4.1

VAV/CAV conversion kit

The VAV/CAV conversion kit is used for VAV/CAV control of residential units.
Note:
The accessory package contains all needed parts for VAV conversion, however for use with CAV, an IRIS
damper or a similar device with known K factor has to be purchased.
Component/product — Article number:
• VAV/CAV conversion kit — 140777
• SPI-125 C Iris damper — 6751
Installation and connection
• Follow instructions in the manual which is delivered with the accessory.

11.5 Installation/Maintenance

11.5.1

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.
• RL — relay box
• 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
• Relay kit:
RMK — 153549
• Relay kit with a transformer for 24 VAC dampers:
RMK–T — 153548
For all possible connection variations please see wiring diagram delivered with the relay mounting kit.
212193 | v04
Accessories | 65