Carrier SINGLE PACKAGED ELECTRIC COOLING UNITS 50GS Specifications

50GS
NFATUNG
50Hz Electric
& COOLING
Cooling
Units
%isitx__ _.carrier.com
A Guide to Operating and Maintaining Your
Single-Packaged
Electric Cooling Units
NOTE:
Read
installation.
the
entire
instruction
SAFETY
Note
user.
to h_stal[er:This
Do not store
to follow
death.
should
or use gasoline
or other
could result
of these
Immediately
inspect
the unit and to replace
call
has been under
could result
flamnmble
wq_ors and
in fire, serious
malts if any part
water.
which
the
be left with the equipment
of these or any other appliances.
this warning
Do not use either
bellk_re starting
CONSIDERATIONS
manual
liquids in the vicinity
manual
a qualified
has been
service
Failure
shock,
or
under
technician
any part of the control
water.
in electrical
Failure
injury,
to
system
to _k_llow this warning
fire, serious
injury,
or death.
C99001
Be%re
main
per%rming
power
installed.
recommended
switch
Electric
to unit
shock
STARTING
1. To start this unit:
a. Turn
2. To shut
could
this unit
YOUR
of'your
stat. You simply
protect
level
switch
or MODE
because
of a malNnction,
contlol
to OFF.
supply
optional
to unit and install
electric
electric
or MODE
control
heaters
heaters)
for use
of your indoor
your unit will rnn in heating
rare is raised
AmR CONDITIONER
is conholled
you
Most
selector,
RefEr
yourself
by the indoor
and it maintains
select.
investment
or MODE
thermo-
the indoor
themaostats
a FAN
to your
have
control,
3
and a
thermostat
and to eliminate
days
This
section
your
dealer.
mode
to the level you have selected.
periods
to maintain
and nights
discusses
when
Of course,
a comfortable
than on moderate
AND
maintenance
thermostat
until room
set
tempera°
your systenr
environment
ones.
SERVICE
that should
control
periods
On extlemely
set to COOL,
temperature
be per%treed
by
at a time and have shorter
Catalog
the right
No
to discontinue,
005-00000
should
Your
can help you establish
will
"o_t" periods
than
by skilled,
keep your unit area clear
materials,
gasolin<
To assure
proper
MAINTENANCE
and other
ffinctioning
flammable
ram).
proce-
and thee of combustible
liquids
of your unit,
fi'om reaching
experienced
a standard
flow
and vapors.
of condenser
the unit. Clearance
Clearance
air
fi'om the
of at least
the duct side which
42 in.
has a
AND <7ARE BY THE EQUIPMENT
OVv_ER
Befbre proceeding with those things you might want to maintain
yourself, please careffilly consider the _bllo_;ing:
at any time, specifications
Printed in U.S.A
be handled
to the
system
or change
maintenance
personnel
dure
(I070 ram) is required on sides, except
12 in. (305 ram) minimum
clearance.
days.
reserves
All routine
dealer
E
top of the unit is 48 in. (1220
your unit will
is lowered
MAINTENAN<
must not be obstructed
g_cts:
hot days, your
ROUTINE
For your safety,
owner's
unnecessa_
with the %llowing
mode until the indoor
level you have selected.
Manufacturer
have
may
optional
is desired.
to HEAT,
Mode
With the SYSTEM
PC 101
power
control
your
l--Cooling
on moderate
system
(with
MAINTENANCE
the thermostat
familiarize
run for longer
Your
will run fbr longer
ELECTRIC
a temperature
run in cooling
Mode
With the SYSTEM
to unit.
SYSTEM
or MODE
SYSTEM
or MODE control.
manual for more infbrmation.
Step
2--Heating
on cooler
system
adjust
at the
calls,
Step
tag.
The operation
sela'ice
supply
shut down
off the electrical
lock-out
To better
OFF
off:
SWITCH
OPERATING
controls:
it{jury or death.
UNIT
50GS (80Hz)
tag
as soon as possible.
a. Set system
temperature
power
and set
mode.
If the unit is being
b. Turn
serious
Fig. 1--Unit
the
heating
on the electrical
call your dealer
cause
be sure
off and lock-out
OR SHUTTING
b. Select temperature
control to desired
NOTE:
maintenance,
is turned
Form
OM50-31
or designs
without
notice
Pg 1
and without
10-01
incurring obligations.
Replaces:
New
ACCESS PANEL
FILTER ACCESS
PANEL*
*For accessory fitter rack.
C00160
Tab{e
UNIT SIZE
50GS
(50 NZ)
024
RETURN=A_R
FILTER
(508
Throwaway
Filter
030
20" x 20"
(ram /
I--Indoor-Air
036
20" x 20"
(508 x 508)
x 508)
Data
060
048
20" x 24"
(508 x 6096)
24" x 30"
(609.6 x 762)
24" x 30"
(6096 x 762)
Fig. 2--Filter Access PaneloVertical SuppJy Shown
(Unit Shown with OptionN Louvered Grille)
1. TURN OFF ALL ELECTRICAL POWER TO YOER
UNIT AND INSTALL LO(K-OUT TAG BEFORE SERVICING OR PERFORMING MArNTENANCE
ELECTRIC SHOCK COULD (AUSE SERIOUS INJURY OR
DEATH.
Never
operate
to heed
and/or compressor.
parts of your unit can cause
cases,
a fire.
Periodically,
check the condition
and Outdoor
(?leaning
of the coils
personnel.
nance.
(ontact
Drain
filter size fbr your
unit. Refer
The &ain
and condensate
the same
time the cooling
inspect
filters
(or
accessory
the filters.
filter
rack
when
and, in
and housings
dealer
and
for the required
by qualified
for the required
line should
annual
be checked
coils are checked
service
mainteo
and cleaned
by your
at
dealer.
Compressor
supplied):
1. Remove the filter access
&iver or wrench.
2. Remove
your
only be done
dealer
Condensate
or
of dust and tint on
loss of efficiency
of fhn wheels
(ontact
should
your
stress on the blower motor and can cause the
and shut down. Table 1 indicates
the correct
replace
Failure
to the blower
Coils
produce excessive
motor to overheat
To
An accun-mlation
fanomotor
shafl bearings.
annual maintenance.
eve N- 4 weeks and
dirty. Dirty filters
to Fig. 2 to access
in place
in damage
internal
Indoor
filter(s) should be checked
about
or cleaned
whenever
it becomes
d_e filter(s)
result
Fans and Fan Motor
Air Filters
The air
changed
may
motor
sonle
2. When removing access panels or perfbmaing maintenance
Nnctions inside your unit, be aware of sharp sheet metal
parts and screws. Although special care is taken to keep
sharp edges to a minimum, be extremely careNl when
handling parts or reaching into the unit.
your malt without
this warning
the filter(s)
is dirt?-, clean
panel using
by pulling
or replace
a 5i16oin.
All compressors
(7.9 ram) nut
it out of the unit. If the filter(s)
When installing the new filter(s),
an'ows on the filter frame.
note the direction
type ref?igeration
require
additional
Condenser
with a new one.
concerning
proper
instructions.
When
locating
filter
your
air filter(s)
maintenance,
replacing
filters,
contact
always
grade
,
or have questions
dealer
charge
of d-_e
should
rarely
oil.
of the airflow
your
with a normal
oil. A compressor
Fan
Do not poke
If you have difficulty
are factov-shipped
correct
revolving
sticks,
['an blades.
screw&ivers,
Injury
0
!
or any other
or equipment
damage
objects
into
may result.
for
use the same size and
The
finn n-rest be kept
cooling
2
Contact
your
flee
of all obstructions
dealer
for any required
to ensure
service.
proper
Electrical
Controls
and Wiring
Electrical
controls
can not be checked
rations.
If there
contact
your
Refi'igerant
are
dealer
any
8
without
discrepancies
and request
proper
in the
operating
cycle,
9
service
Your
circuit
cannot
be checked
proper equipment.
If inadequate
tocal dealer for service.
cooling
fbr leaks
without
is suspected,
contact
the
your
under
refrigerant
pressure,
before
serious
injury
system
repair
or death,
flow°control
devices,
Use
pressure
recover
or final unit disposal
all service
including
and
ports
solenoid
all
service
Start=Up
YOU
,,check
all
valves,
( ) (heck
servicing
perforating
units,
be sure all panels
from
cmTect unit
REGULAR
any maintenance
entering
are fi_stened
unit
airflow
or service
cabinet
on either
securely
in place
and to prevent
of these
to prevent
disruption
of the
DEALER
to the type of routine
to perform,
your
trained
service
and cooling
unit should
technician.
season,
but
maintenance
be inspected
An inspection
at least
every
you might be willing
regularly
by a properly
(preferably
year)
each
should
heating
include
the
following:
1. Inspection
coils
and, if required,
2. Inspection
and,
if required,
cleaning
cleaning
of the outdoor
and indoor
of the indoor
coil &ain
with
3. Inspection
and cleaning
of blower
wheel
housing
4. Inspection
of all supply=air
and return-air
obstructions,
and insulation
integrity.
Any
should be resolved at this time
and motor
ducts for leaks,
problems
fbund
6. Inspection
of the unit casing
7. Inspection
of all electrical
connection.
wiring
and components
airflow.
Check
or supply-air
the air filter for dirt. Check
grilles.
Be sure they are open
do not reveal the cause, call your
at all, check
temperatme
optional
MODE
temperature
electric
control
during
during
heater).
the %llowing
temperature
the cooling
heating
season
Be sure
is in the COOL
list %r
the
or HEAT
selector
season
is set
or above
(if unit is installed
SYSTEM
position
switch
or
and not in the
OFF position.
( ) If your unit still fSils to operate,
call your servicing
troubleshooting
the model and serial numbers
and repairs.
of your unit.
(Record
If the dealer
knows
to offer suggestions
IN CASE
If you
Specify
them in this manual
exactly
which
over tl_e phone,
preparation
dealer
for
in the space provided.)
unit you have,
he may be able
or save valuable
time through
fbr the stun'ice call.
OF TROUBLE
perfbrrn
unsatisfhctory,
the
Name
Unit Model
Unit Serial
steps
above
and
unit
perfbm_ance
shut off the unit and call your dealer.
Telephone
to assure
Instal-
problems,
If these checks
gaps, etc.,
fbr signs of deterioration
unit's
,,
to be sure that your them_ostat
Dealer's
5. Inspection of the unit base to ensure that no cracks,
exist which may cause a hazardous
condition.
contract
is suspected:
is not operating
knowledgeable
pan
proper
SERVICE
the indoor
the indoor
In addition
can be fkmnd in each
easily-solved
condi-
solutions:
below
MAINTENAN(E
service
details.
(7ALL FOR
return=air
unit
( ) (heck
pattern
an economical
Ask for filrther
Instructions.
cooling
working
be made at this time
dealer.
If your
easy
to detem_ine
and Service
and unobstructed.
After
rain
instructions
Pressure-check
charge.
should
may offer
for sufficient
for blocked
Unit Panels
of the unit
inspections.
%r several
If insufficient
to avoid
and open
dealer
circuit.
refrigerant
or adjustment
seasonal
Complete
lation,
Relieve
check
stun'icing
that covers
in the refrigerant
appropriate
Repair
BEFORE
System
fbr leaks
Operational
tions
Circuit
The refrigerant
Inspection
to determine
instrumen°
Nm'nber
Date of Installation
is still
Copyright
2001 CARRIER
Manufacturer
PC 101
Corp. _ 7310 W. Morris St • Mdianapolis.
reserves
Catalog No
the right to discontinue,
005-00000
or change
IN 46231
om5031
at any time, specifications
Printed in U.SA
Form
OM50-31
or designs
without
notice and without
Pg 4
10-01
incurring
obligations.
Replaces:
New