Carrier 31KAX - Manual (Page 4)

- CUT OUT FOR STANDARD FURNACE
- CUT OUT FOR SUPER FURNACE
--------- CUT OUT FOR STANDARD FURNACE
---------CUT OUT FOR SUPER FURNACE - CUT OUT FOR STANDARD FURNACE
- CUT OUT FOR SUPER FURNACE
Fig. 5—Opening Detail
1. Air cleaner is approved only for indoor installation. If out­
door installation is used, unit must be housed in weather­
proof enclosure.
2. Air cleaner may be placed in horizontal position on its
right or left side or in vertical position on its bottom or
back. It must be installed on inlet air side of heating and/
or cooling unit.
Be sure that airflow through air cleaner is
in same direction as airflow arrows on cells indicate.
A CAUTION
Cabinets will support a maximum weight of 400 lbs when
installed beneath a vertical furnace or air-handling unit.
When setting furnace on cabinet, do not drop it into place.
Position furnace correctly on cabinet to prevent a corner
from slipping down and damaging cabinet.
3. Allow minimum of 16 ins. of clearance in front of unit for
cleaning and maintenance.
A CAUTION
Never use air cleaner to collect grease or other flammable
contaminants.
4. Air outlets and returns must not be blocked with furni­
ture, drapes, or other objects.
5. Air cleaner should be installed where all air circulated by
system will pass through it.
B. Humidifiers
An evaporative, supply-duct-mounted humidifier may be in­
stalled without affecting the electronic air cleaner. A bypass-
type evaporative humidifier should be installed so that the
moist air does not contact the air cleaner. When an atomizing-
type humidifier is used, it should always be installed in the
supply-air system.
A CAUTION
If an atomizing-t 3 rpe humidifier is installed upstream from
the air cleaner, the efficiency of the electronic cells will be
decreased by high humidity, salts, and minerals, and serv­
ice problems will result.
If the bypass-type humidifier must be used upstream from the
air cleaner, the following precautions should be taken:
1. Humidifier must be installed as far from air cleaner as
possible.
2. A standard, disposable furnace filter must be installed be­
tween humidifier and air cleaner to trap water droplets
and mineral salts.
3. Electronic cells of air cleaner must be washed frequently
to prevent mineral deposit buildup.
C. Outdoor Air
When outdoor air is added to the return-air duct, sufficient heat
must be added to maintain the return-air temperature of 40 F
minimum or minimum specified by air handling equipment.
Temperatures lower than 40 F can cause ionizer wire failure un­
der certain conditions.
NOTE: The maximum operating temperature of the electronic
air cleaner is 125 F.
STEP 2. INSTALLATION
NOTE: See Fig. 4 for suggested installation positions.
A CAUTION
Tiirn off all power to the furnace before beginning any
procedures.
Proceed as follows to install electronic air cleaner:
1. Remove and discard existing furnace mechanical filters.
They are not required when using an electronic air cleaner.
Thoroughly clean blower compartment of furnace.
2. Move ON-OFF switch to OFF and remove power door by
rotating knob (approximately 10 turns counterclockwise)
until door is free. Grasp power door by knob and remove it
Fig. 6—Electronic Air Cleaner Installation