Maintenance
and Service
The base pan may ,overf!ow due to high humidi_
To drain the excess water, remove the drain cap
from the ib.ac_,of the unit.
The cha_is
must _
cleaned every four months or more often as the atmospheric
conditions
require. U_
water and detergent to dean the ba_n,
center _rtition
and coils. The use of harsh
cleaning materials may cause a deterioration
of the coil fins or endplates.
_
not u_
a high
pressure cleaner as it could cause severe damage to the PTAC fins and _i_s. A hose is okay to use
to clean the coils, but make sure to cover the control with a blanket: or plastic bag to keep it dry.
Corrosion
Resistant units o_rating
in harsh atmospheric
conditions
must bie removed from the
s_eeve and cleaned every 3 months in the _.me manner as above.
The compressor
and fan motor are hermeti_[y
_a[ed,
_rma_ntliy
lub,dcated, and require no
addi_onal oiiling_
The cabinet front and di_harge
air grille can _
cleaned with a mild soap or detergent
Under no
circumstances
sho_._idhydroca_,o,n based cleaners (e.g. acetone, _nzene,
naphtha, gasoline, etc.)
used to c_ean the front or air grilles.
Use ,care when cleaning the contro_ area. Do not u_
an excessively
wet c_eaning cloth.
Corrosion resistant modeis subjected to harsh seacoast environments
must be removed from the
wa_l sleeve and completely flushed with dean water at least four _mes a year.. The basepan, center
_rtition,
condenser
,end #ates, and the condenser
itself should _
sprayed with clea.n, fresh water.
Leaving the unit in the slleeve and simply spraying the outdoor grille is. not srufficient,
22
Room Air Conditioner