E-mail: [email protected]
Made in Rome, New York, USA
18
!
!
COMMON TO All AIR HANdlERS
MAINTENANCE ANd TROUBlESHOOTING pROCEdURE
for EMI Air Handlers with Unit Mount Infrared Controls
MAINTENANCE
Service should be performed by a
qualified
service
agency and an annual system check is recommended. EMI
units are designed and constructed for reliability and long life
with minimal maintenance. You can insure peak operating
efficiency by:
1. Cleaning air filters on a monthly basis: The filter is ac
-
cessed by removing the air intake access panel.
TROUBlESHOOTING
2. Clean with a vacuum cleaner that has a brush attach-
ment or use a garden hose. Allowing dust to collect
on the filter will cause the unit to lose efficiency and
eventually malfunction.
3. Vacuuming dust from the return air grille and coil
surface when cleaning the filter.
EMI AIR HANdlERS WITH
UNIT MOUNT INFRAREd CONTROlS
WARNING
All service should be performed by a qualified service
technician. Before removing access panels or control
covers to expose moving parts of non-insulated live
electrical components for service, disconnect all high
Volt power supplies to both the indoor unit and outdoor
unit. Failure to do so could result in physical injury and/or
electrical shock.
When trouble-shooting the indoor unit, please refer to the
wiring diagram that is supplied with the equipment. It is
located either on the on the back of the removable return
air grill (WCP) or on the back of the access panel (CCP ). If
you are unable to locate the wiring diagram please feel free
to call the factory technical service line at (800) 228-9364
and one can be faxed or mailed. Please have the full model
and serial number available prior to calling.
The number of low Volt interconnect conductors will be
three to six depending on heating options and or thermostat
selection. Interconnect wire should be at least 18 awg. Refer
to the unit wiring diagram for the interconnect diagram that
matches your system.
Figure 1
Figure 1a
Figure 2
