PRE-COMMISSIONING CHECKLIST FOR VARIABLE VOLUME AIR HANDLING (VVAH UNIT)
PRE - COMMISSIONING CHECKLIST FOR VARIABLE VOLUME AIR HANDLING (VVAH UNIT) KEY POINTS:
1. Installation
1.1. Vibration isolation devices installed.
1.2. Inspection and access doors are operable and sealed.
1.3. Casing undamaged.
1.4. Insulation undamaged.
1.5. Condensate drainage is unobstructed. Fan belt adjusted.
1.6. Manufacturer's required maintenance clearance provided.
2. Electrical
2.1. Power available to unit disconnect.
2.2. Power available to the unit control panel.
2.3. Proper motor rotation verified.
2.4. Verify that the power disconnect is located within sight of the unit it controls.
2.5. Power available to humidifier.
3. Coils
3.1. Chilled water piping is properly connected.
3.2. Chilled water piping pressure tested.
3.3. Hot water piping is properly connected.
3.4. Hot water piping pressure tested.
3.5. Air vents installed on water coils with shutoff valves as specified.
3.6. Any damage to coil fins has been repaired.
4. Heat Recovery Unit
4.1. Controls operable.
4.2. Power connected and rotation check.
4.3. Bypass dampers operable.
5. Controls
5.1. Control valves/actuators properly installed.
5.2. Control valves/actuators operable.
5.3. Dampers/actuators properly installed.
5.4. Dampers/actuators operable.
5.5. Verify proper location, installation and calibration of duct static pressure sensor.
5.6. Fan air volume controller operable.
5.7. Air handler controls system operational.
6. Testing, Adjusting, and Balancing (TAB)
6.1. Construction filters removed and replaced.
6.2. TAB report submitted.
6.3. TAB results within +10%/-0% of L/s cfm shown on drawings
6.4. TAB results for outside air intake within +10%/-0% of both the minimum and maximum L/s cfms shown on drawings.









