HEPA Filters (High Efficiency Particle Arrestors)
This type of filter is generally fitted in front withdrawal frame. Filters will be held into the
frame by retaining bars which can be removed to allow access to replace filters.
Carbon Filters
Carbon filters normally have an active life of about twelve (12) months, or more. It is
advisable to remove a sample from the pack to return to manufacturer to determine the
remaining working life, preferably after the first six (6) months & subsequent six (6) monthly
intervals.
NOTE! WHEN REPLACING ALL FILTERS ENSURE FILTER IS FACING CORRECT
DIRECTION AS INDICATED BY AN AIRFLOW ARROW.
ROUTINE MAINTENANCE SCHEDULE
Monthly
3 Monthly
6 Monthly
Annually
Fan Shaft Bearings
Motors
Belts & Pulleys
Elec. Heater Battery
Coils
Eliminators
Dampers
Panel & Bag Filters
HEPA Filters
Carbon Filters
External Surfaces
MAINTENANCE OF UNITS CONTAINING F GAS REFRIGERANTS.
It is a legal requirement that all units containing F Gas refrigerants such as R407c, R410a are
serviced on a regular basis and that leak tests are carried out. This should generally be carried
out at least every six months and a service inspection sheet issued to the customer upon
completion. Log books should be kept on site by the end user to prove that these works have
been carried out. The responsibility of compliance is shared by the end user and the appointed
maintenance engineers.
Failure to comply with the F Gas regulations will result in invalidation of the warranty on the
refrigeration system within the unit.
INVALIDATION OF GUARANTEE
The following misuses or maltreatment of AIR HANDLERS LIMITED equipment will
render all guarantees, as set out on the Conditions of Sale, void.
Failure to install, set up or put to work any part of the equipment as specified in AIR
HANDLERS LIMITED Installation, Operation and Maintenance Instructions.
Attempting to operate the motors and other electrical equipment with an electrical
supply other than that designated on the motor nameplate, or failing to connect and
protect such equipment in accordance with I.E.E. Regulations and local by-laws.
Failure to notify AIR HANDLERS LIMITED of equipment damaged on receipt in
writing within five (5) days.
Failure to run equipment within the design specifications as notified at the time of
order.
