Quarterly Inspection of Ventilation Plant AHU

• Inspection Date

  Date

• Plantroom

• AHU Reference

• AHU Asset number

• Engineer Name

• Area served by AHU

GENERAL CHECKS

• Is the unit and associated plant secure from unauthorised access?

  Yes

  No

  N/A

• Comment

• Is the unit safely safely accessible for inspection and maintenance ?

  Yes

  No

  N/A

• Comment

RUNNING CHECKS

• Plant Running?

  Yes

  No

  N/A

• Comment

• Is the air intake positioned to avoid short circuiting with extract or foul air from other sources?

  Yes

  No

  N/A

• Comment

• Are all inspection lights working?

  Yes

  No

  N/A

• Are motorised dampers fitted to the intake?

  Yes

  No

  N/A

• Are motorised dampers fitted to the discharge?

  Yes

  No

  N/A

• Are the fan motors outside of the air stream ?

  Yes

  No

  N/A

• Is the fan drive train visible without removing covers?

  Yes

  No

  N/A

• Is the Cooling coil located on the Discharge side of the fan?

  Yes

  No

  No Cooling

• Is There an Energy Recovery System fitted ?

  Yes

  No

  N/A

• Type

• Are condensate drains fitted to all energy recovery systems, cooling coil and humidifiers?

  Yes

  No

  N/A

• Comment

• Are Drainage traps clean and filled with water ?

  Yes

  No

  No Glass Traps

• Is the drain trap air break greater than 15mm?

  Yes

  No

  No Glass Traps

• Drainage Traps cleaned and refilled?

  Yes

  No

  N/A

• Is the drain trap air break greater than 15mm?

  Yes

  No

  No Glass Traps

• Is the drain trap air break greater than 15mm?

  Yes

  No

  No Glass Traps

• Humidifier fitted?

  Yes

  No

  N/A

• Is the Humidifier capable of running?

  Yes

  No

  N/A

• Is there space to safely change the filters?

  Yes

  No

  N/A

• Comment

• Are there test holes within the principle ducts within the plant room?

  Yes

  No

  N/A

• Are the Test Holes Capped?

  Yes

  No

  N/A

• What is the condition of the general exterior of the AHU

  Good

  Fair

  Poor

  N/A

• Are the principal ducts lagged?

  Yes

  No

  N/A

• What is the general condition of the associated valves and pipework?

  Good

  Fair

  Poor

  N/A

• Is the Pipework adequately lagged?

  Yes

  No

  N/A

• Is the System clearly labeled?

  Yes

  No

  N/A

• Pre Filter Differential pressure reading

  Yes

  No

  N/A

• Why Not?

• Pressure Reading

• Secondary Filter Differential pressure reading

  Yes

  No

  N/A

• Why Not?

• Pressure Reading

• Extract Filter Differential pressure reading

  Yes

  No

  N/A

• Pressure reading

• Why Not?

UNIT ISOLATED CHECKS

• Are you able to shutdown plant?

  Yes

  No

  N/A

• Comment

• Comment

• Did Intake motorised damper close on plant shutdown?

  Yes

  No

  N/A

• Did Discharge motorised damper close on plant shutdown?

  Yes

  No

  N/A

• Is the vermin/Insect Screen Clean?

  Yes

  No

  N/A

• Is the Intake section including fog coil Clean?

  Yes

  No

  N/A

• Are the Pre Filters correctly fitted with no air bypass

  Yes

  No

  N/A

• Are drive belts correctly aligned and tensioned?

  Yes

  No

  N/A

• Comment

• Is the cooling matrix clean?

  Yes

  No

  No Cooling

• Are All drip trays fully accessible or capable of being removed for cleaning with a fail to drain ?

  Yes

  No

  N/A

• Are Drainage Trays Stainless?

  Yes

  No

  N/A

• Are Drainage Trays clean?

  Yes

  No

  N/A

• Are drainage trays clean?

  Yes

  No

  N/A

• Are drainage trays stainless?

  Yes

  No

  N/A

• Are drainage trays clean?

  Yes

  No

  N/A

• Are drainage trays clean?

  Yes

  No

  N/A

• Is the AHU free from signs of water ponding?

  Yes

  No

  N/A

• Is the matrix clear for each heater battery?

  Yes

  No

  N/A

• Have the main filters been fitted correctly with no air bypass?

  Yes

  No

  N/A

• Have the Extract filters been correctly fitted with no air bypass?

  Yes

  No

  N/A

• Is the AHU and its associated ductwork clean internally?

  Yes

  No

  N/A

• Have the Pre Filters been Changed?

  Yes

  No

  N/A

• If No, Change Filters

Restart Plant

• Did the unit restart satisfactory?

  Yes

  No

  N/A

• Comment

• Automatic changeover motor set up present on unit?

  Yes

  No

  N/A

• Did automatic changeover operate satisfactorily?

  Yes

  No

  N/A

• Comment

Additional comments

• Comment

• Signature

  Sign