Scholar V VAIVA Maintenance & Service Manual 10/2017 Rev.2
8
3.1 MAINTENANCE
WARNING
BEFORE PERFORMING MAINTENANCE ON THE SCHOLAR V, SWITCH ELECTRIC
POWER OFF AT THE DISCONNECT LOCATED BEHIND THE RIGHT FRONT DOOR.
FAILURE TO DO THIS COULD RESULT IN PROPERTY DAMAGE,
BODILY INJURY OR DEATH.
A.
Air filters
on the Scholar V model VAIVA require scheduled inspection and
maintenance. They should be inspected and cleaned or replaced twice a year, as a
minimum, before the heating and cooling season.
They should be inspected more often, as necessary.
Please refer to Chapter 7.1 for instructions on accessing the return air filters.
The GreenWheel
®
or GreenCube
®
ERV Media can be checked visually for excessive
dirt build-up. If there is residue build-up on the GreenWheel or GreenCube media,
it can be vacuum-cleaned, in place, as necessary. See Chapter 7F for access to
the GreenWheel or GreenCube ERV for cleaning. Check it and vacuum clean as
necessary. Also check to see that the rubber drive belt is properly engaged on the
GreenWheel ERV and drive motor pulley.
B.
Cabinet Panels/Indoor Grilles
may be cleaned with a sponge and warm, soapy
water or a mild detergent. Do not use bleach, abrasive chemicals, or harmful
solvents.
C. If the
Indoor Coils
becomes clogged or dirty, it may be cleaned by careful vacuuming
or with a Marvair
®
approved evaporator cleaning spray. DO NOT use a solvent
containing bleach, acetone, or flammable substances. Turn off power before
cleaning. Be careful not to wet any of the electrical components. Be sure the unit has
dried before restarting. See Chapter 7D for instructions on cleaning the indoor coils.
D.
Outdoor Coils.
Periodically inspect the outdoor condenser coil and the cabinet air
reliefs for dirt or obstructions. Remove foreign objects such as leaves, paper, etc.
If the condenser coil is dirty, it may be washed off with a commercial-grade non-
abrasive evaporator cleaning spray. TURN OFF POWER BEFORE CLEANING! Be
sure that all electrical components are thoroughly dry before restoring power. See
Chapter 7.4 for information on cleaning the outdoor coils.
E.
Condensate Lines
. Each evaporator coil in the Scholar V air conditioner or heat
pump has one condensate line. These are connected to a tee, which exits the unit.
The condensate line for the indoor and outdoor drain pans are tied together and the
condensate is discharged either through the base of the unit into a floor drain or out
of the back of the unit at the bottom of the unit.