3
803877 Rev. 00
Oiling
The motors are permanently lubricated and hence need
no re-oiling.
Unimpeded Indoor Airflow
Ensure that drapes, bed, bedspread, and furniture etc.
do not block the indoor air discharge and intake air
openings, causing a restricted air flow condition
through the indoor air handling section of the unit. Do
not place articles on discharge grille – especially
liquids.
Reducing Load
To reduce the cooling load, draw drapes or blinds in
the summer, to reflect direct rays from the sun.
To reduce the cooling and heating load, keep windows
and doors closed when operating the unit.
WALL SLEEVE CABINET INSTALLATION:
Install the wall sleeve cabinet in strict accordance with
the wall sleeve installation instructions, which are
supplied with the wall sleeve.
IMPORTANT:
The wall sleeve must be installed with a
1/8” per foot slope downward toward the outside to
ensure proper water drainage out the back edge of the
wall sleeve during overflow conditions. The specified
slope corresponds to a 1/8 bubble on a carpenter’s level.
The wall sleeve must also be level from side-to-side.
ELECTRICAL WIRING AND RECEPTACLE
WIRE SIZING
A single outlet branch circuit from the main electrical
panel to the receptacle in the wall should be used.
Wire sizing shall be in accordance with the minimum
circuit ampacity as declared on the unit Rating Plate
for the specific chassis. Wire sizing must also take into
account any distance from fuse box or breaker panel to
receptacle to prevent excessive voltage drop in
undersized wires.
IMPORTANT:
Low voltage to the unit will cause
compressor starting problems and decrease the
performance and reliability of the compressor.
BRANCH CIRCUIT PROTECTION
The Current Rating of branch circuit protection using a
Time Delay Fuse or HACR circuit breaker should also
be as declared on the unit Rating Plate for the specific
chassis being installed.
PLUG AND RECEPTACLE
230-208 Volt units are furnished with either a NEMA
6-15P, NEMA 6-20P, or NEMA 6-30P, non-locking
plug depending on the unit ampacity, and hence will
require the corresponding NEMA receptacle to be
field-provided.
All 115 Volt units are furnished with a NEMA 5-15P,
or 5-20P non-locking plug as applicable. The
respective plug will require a NEMA 5-15R or 5-20R
receptacle to be field-provided.
All 277 Volt units are furnished with a NEMA 7-20P,
20 Amp non-locking plug and hence will require a
NEMA 7-20R receptacle to be field-provided.
NOTE:
277 Volt units are considered to be
permanently connected per the National Electrical
Code. The plug and cord are considered to be a
“connector of convenience” in order to facilitate easy
removal of the chassis for servicing. The plug and cord
are suitably protected when using either the non-
optional 277 volt mechanical sub-base (Part No.
ACCNF277SUBBASE) or 277 volt decorative skirt
(Part No. ACCNF277SKIRT).
