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26. 01. 22. Document Number 671829
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
BPS H-AT
Installation Manual
9.11 Maintenance Schedule
9.11.1 Routine Maintenance
•
Clean all areas of unit and treat any areas of corrosion.
•
Check all access doors for leakage and if necessary locks should be
adjusted and any replacement gasket materials should be replaced
as required.
•
Any drain trays should be cleaned and repaired if necessary.
9.11.2 Every 3 Months
•
Check filters and change/clean if required, failure to do so may
impair the performance and energy efficiency of this unit.
•
Ensure condensate drains are cleaned clear and that water can
flow freely from unit.
•
Check fin coil banks and heat exchangers. If necessary clean with a
soft brush or vacuum. Check for signs of contamination.
9.11.3 Annually
•
Thoroughly inspect the unit and its components for corrosion,
acting immediately to treat/restore any damaged areas.
•
All electrical terminals within the unit should be tightened.
•
Check all earth connections.
•
Check control dampers blades.
•
Check operation of damper actuators and linkages and adjust as
necessary.
•
Coil faces should be inspected and any dust removed.
•
Check any thermal wheel belt, motor, bearings, seals and if
necessary clean with a soft brush or vacuum cleaner.
10.0 COMMISSIONING
Before commissioning the unit, ensure that all equipment has been
assembled in accordance with the installation procedure all instances
where the unit is in operation the access doors should remain closed; at
no time, during maintenance or otherwise, should anyone be inside a
unit whilst it is in operation.
10.1 Fan & Motor
Care should be taken to ensure that the fan and motor run freely and
that the fan is rotating in the correct direction.
The electrical current being drawn by motors should not exceed the
manufacturers recommendations (specified on the motor plate). If
the current exceeds this, check the fan volume flow rate and the static
resistance.
10.2 Commissioning Checklist
•
All equipment received is according to specification/order.
•
Any damage to unit identified.
•
Fan base shipping restraints / Fixing Brace removed (if applicable).
•
The correct installation procedure has been carried out in
accordance to Nuaire’s recommendations.
•
Any fan and thermal wheel motor pulleys are properly aligned.
•
Anti-vibration mounts are adjusted accordingly.
•
Check / adjust fan and thermal wheel belt tension.
•
Rotate fan impellers and motors to ensure they run freely.
•
Check any additional bearings and couplings (where fitted
manually).
•
Condensate drain traps are checked. Check all filters are correctly
fitted.
•
Ensure ductwork is complete.
•
Check electrical supply voltage and tightness of all electrical
connections.
•
Ensure control damper operation.
•
Ensure access panels and doors are fitted properly and secure.
•
Check fan motor current draw.
