Related Manuals for SystemAir VR-250 ECH/B
Summary of Contents for SystemAir VR-250 ECH/B
- Page 1 VR-250 ECH/B Air Handling Unit Operation and maintenance instructions 10-02 (16-11-2010)
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Page 2: Table Of Contents
Installation, operation and maintenance manual concerns air handling unit type VR 250 ECH/B manufactured by Systemair AB. It consists of basic instructions and recommendations concerning the design, installation, start-up and operation, which shall be obeyed to ensure proper and fail-free operation of the unit. -
Page 3: General
The unit will automatically alternate between winter operation with heat recovery and summer operation without heat recovery. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 4: Operation
Airflow for normal ventilation can be chosen by means of a potentiometer on the main print card (see installation instructions-Commissioning). Max(3) Forced ventilation. Is used when extra airflow is required. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 5: Supply Air Temperature
To avoid that the ventilation unit remain in "manual summer operation" when heat recovery is required, automatic reset to normal operation will happen when supply air temperature becomes lower than 5°C. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 6: Kitchen Extraction
Automatic closing of the damper in the cooker hood ensures energy efficient use of the ventilation system. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 7: Maintenance
Changing operation time between filter changes Depending on the condition of the filter, you might need to change the operation time for the filter. See Installation instructions - "Commissioning". _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 8: Checking The Heat Exchanger
Note! In addition, the roof unit must be checked once a year, and cleaned as necessary (fig. 9). For use and maintenance of cooker hood, see separate instructions. Fig. 7 Fig. 8 Fig. 9 _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 9: Troubleshooting
5. Noise/vibrations a. Clean fan impellers. b. Pull the fans out and check that screws holding the fans are tightened. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... -
Page 10: Service
Before calling your service representative, make a note of the item no.(pos 1, fig11) and production number (pos. 2, fig. 11) from the type label, which can be found behind the inspection hatch. _________________________________________________________________________________________________________ VR 250 ECH/B Operation and maintenance instructions 206610 (16-11-2010) Systemair AB... - Page 11 Systemair AB Industrivägen 3 739 30 Skinnskatteberg, Sweden Phone +46 222 440 00 Fax +46 222 440 99 206610 (16-11-2010) 10-02...
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