Carrier 50GS018 Guide Manual

50GS,GX
Single-Packaged Electric Cooling Units
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A Guide To Operating and Maintaining Your
Single-Package Electric Cooling Unit
HgATUNG & COOLING
NOTE TO INSTALLER
This nmnuaI should be left with the equipment owner
FOR YOUR SAFETY
Do not store or use gasoline or other flamnmble vapors and
liquids in the vicinity of this or any other appliance,
Do not use this unit if any part has been under water
Immediately call a qualified selwice technician to inspect d_e
unit and to replace any part of the control system which has
been under water. Failure to fbllow this warning could result
in electrical shock, fire, personal inju V, or death.
Befi_re per_bt_ning recommended maintenance, be sure the
main pox_ er switch to unit is turned off. Electric shock could
cause personal injury or death.
TO START UNIT
Step l--Turn on the electrical power supply to unit,
Step 2--Select temperature and set system switch to de-
sired mode.
TO SHUT UNIT OFF
If unit is being shut down because of a nmlfunction, call your
dealer as soon as possible.
Step l--Set temperature switch to OFF,
Step 2--Turn off the electrical power supply to unit,
ROUTINE MAINTENANCE
All routine nmintenance should be handled by skilled, experienced
personnel. Your dealer can help you establish a standard proce°
dnre
For your safety, keep the unit area clear and free of combustible
materials, gasolin< and other flamnmble liquids and vapors.
To assure proper functioning of the unit, flow of condenser air
must not be obst_lcted fiom reaching the unit. Clearance of at least
48 in. is required fiom top of unit and on sides except the power
entry side (42 in. clearance) and the duct side (12 in. naininmm
clearance).
MAINTENANCE AND CARE FOR THE EQUIPMENT
OWNER
Before proceeding vdth those things you might want to maintain
yourselL please careffilly consider the follm_ing:
Fig. 1--Unit
50GX
1, TURN OFF ELECTRI(AL POWER TO YOUR UNIT
BEFORE SERVICING OR PERFORMING MAINTE-
NAN(E
2. When removing access panels or per_brming maintenance
functions inside your unit, be aware of" sharp sheet metal
parts and screws. Although special care is taken to reduce
sharp edges to a n_ininmm, be extremely careful when
handling parts or reaching into the unit.
AIR FILTERS Air filter(s) should be checked at least every 3
or 4 weeks and changed or cleaned whenever it becomes dirty.
Dirty filters produce excessive stress on the blower motor and can
cause the motor to overheat and shut down. Table 1 indicates the
cot_'ect filter size for your unit. Refer to Fig 2 to access the
filter(s)
To replace or inspect filter(s) (or accessory filter rack when
supplied):
1 Remove the filter access panel using a 5/16=in nut driver
2 Remove the filter(s) by pulling the filter(s) out of the unit If
the filter(s) is dirty, clean or replace with new one
When installing the new filter(s), note the direction of the airflow
arrows on the filter _?ame.
If you have di[Iiculty in locating your air filter(s), or if you have
questions concerning proper filter maintenance, contact your
dealer fbr instructions. When replacing filters, always use the same
size and type of filter that was supplied originally by the installer.
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Catalog No 535-00083 Printed in U.S.A. Form OM50-35 Pg 1 1-03 Replaces: OM50-27