Carrier 51QC, 51QG User Manual
Owner’s Guide
INTERNATIONAL SERIES™
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MODEL
51QC/QG
ADDRESS
TELEPHONE.
MODEL NO.„
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TABLE OF CONTENTS
Page Nc
A Few Words About Your New Unit..................................................................................................2
Some Suggestions...........................................................................................................................2
Electrical Data & Specifications....................................................................................................... 3
Glossary of Control Symbols & Operating Instructions
Economic Energy Saving Tips.........................................................................................................6
Tools Needed for Installation............................................................................................................6
Through-the-Wall Installation........................................................................................................... 7
Window Installation..........................................................................................................................9
Trouble Shooting Guide................................................................................................................. 12
Unit Warranty.................................................................................................................................. 14
...................................................................
4
A FEW WORDS ABOUT YOUR NEW CARRIER UNIT...
Thank you for choosing Carrier! You can feel confident
in your selection because the same pride in craftsman
ship and engineering knowledge that goes into Carrier
equipment at the Astrodome in Texas, the famous Sistine Chapel in Rome, the United States Capitol’s Halls of
Congress and thousands of other installations world
wide has gone into construction of your unit.
One of the principal advantages to owning a Carrier
room air conditioner heat pump is that the unit heats
AND cools, so it can be used year-round! While cooling.
SOME SUGGESTIONS...
A) To avoid installation difficulties, read instructions
thoroughly before starting. This publication contains
information pertinent to the installation and operation of
the 51 QC/QG Room Air Conditioner Heat Pump.
B) The 51 QC/QG is normally installed through a wall.
During installation, you will be moving unit’s chassis from
the cabinet casing, installing the casing first and then
re-inserting the chassis. CAUTIQN; CQIL FINS QN
CHASSIS ARE SHARP AND CHASSIS IS HEAVY.
your new Carrier unit also filters and dehumidifies. In
cold weather, the unit gently heats and circulates air
through the room. Carrier’s room air conditioner heat
pump units quietly give you maximum comfort!
This manual will supply you with all the information
you need for installing, operating and maintaining your
new unit. Take a few moments to read and discover how
to get the most in comfort and economic operation from
your new Carrier room unit!
NOTE: This unit may also be installed in a window. An
additional accessory kit must be ordered separately for
window mounting. Contact an authorized Carrier Dealer,
or call 1-800-CARRIER for information.
C) When possible, install unit on a shaded side of the
house or building.
D) Make sure that wall mounting area (or window, if
window-installation is chosen) is structurally sound
enough to support the unit.
BEFORE YOU START
Use the following guide to insure that you have selected
the air conditioning unit that wiil properly cool the space
you desire This guide is developed for normal room
insulation, number of windows, and sun exposure, with
two people occupying the conditioned space
Adjust the room air conditioner capacity found in
the table for the following conditions
1, Reduce capacity by 10% for heavily shaded
areas.
2 Increase capacity by 10% for very sunny
areas
3 Add 600 Btu/h for each additional person
(more than two people)
4 Add 4,000 Bfu/h if area to be cooled is a
kitchen.
Area To Be Cooled
Square Feet
(Width, Ft. X Length, Ft.)
100-150
150-250
250-300
300-350
350-400
400-450
450-550
550-700
700-1,000
1,000-1,200
1,200-1,400
1,400-1,500
1,500-2,000
2,000-2,500
Approximate Nominal
Cooling Capacity
Btu/h
5.000
6.000
7.000
8.000
9,000
10,000
12,000
14.000
18.000
21,000
23.000
24.000
30.000
34.000
A
ELECTRICAL DATA...
A) All wiring must comply with local and national
electrical codes. All wiring must be installed by qualified
and skilled electricians. If you have any questions in
regard to the following instructions, contact a qualified
electrician.
B) Check available power supply and resolve any wiring
problems BEFORE installing and operating this unit.
C) For ALL units, an individual branch circuit and single
wall receptacle used only for this appliance, must be
available. See Table 1 for suggested wire sizes for
individual branch circuit.
D) For your safety and protection, this unit is grounded
through the service cord plug when plugged into a
matching wall outlet. If you have any question whether
your wall outlet is grounded or not please consult a
qualified electrician.
E) The wall outlet you select must match the plug on the
unit’s service cord and must be within reach of the
installed unit. Do NOT use adaptors or extension
cords. See Table 2 for further receptacle and fuse
information.
F) Follow fuse specifications indicated on unit’s
nameplate. (See Table 2) Nameplate is located above
unit’s control panel (See unit diagram in installation
instructions). NOTE: This unit’s model and serial
numbers can be found on the nameplate. Record your
unit’s serial number on the front of this manual for easy
future reference.
TABLE 1
SUGGESTED INDIVIDUAL BRANCH CIRCUIT
NAMEPLATE AMPS
5.0 to 12
12.1 to 16
16.1 to 24
AWG—American Wire Gauge
'Based on copper wire at 60”C temperature rating
AWG WIRE SIZE*
14
12
10
CAUTIONS...
Manufacturer strongly recommends using two people
during installation of units.
Coil fins on chassis are sharp and chassis is heavy.
Please keep this manual handy for future reference.
Please note: Condensation (water) run-off from the
unit’s back is normal during under high humidity weather
conditions. Unit should be installed where condensation
run-off will not drip onto pedestrians or neighboring
properties. To re-direct drainage flow, an optional
Accessory External Drainage Kit is available. Contact
an authorized Carrier Dealer, or call 1-800-CARRIER
for information.
i
GLOSSARY OF CONTROL SYMBOLS.
OPERATING INSTRUCTIONS
INDICATOR LIGHT
Amber indicator light is on when unit is in operation.
Indicator light will NOT be on if unit has cycled off due to
a command from the timer control. In such a case, unit
will only be off for the time period set.
OFF O
O symbol on cooling/heating mode control dial is the
J^Ui
nit’s “OFF” position. When dial is turned to this
ymbol, unitwill NOT operate, in either manual or
automatic setting.
When leaving your home or office for a period of time
during which you do not wish the unit to cycle on for an
Automatic setting, be sure cooling/heating mode dial is
set to off position.
If you turn unit off, allow two minutes before turning unit
back on.
WLOW W MEDIUM W HIGH COOL
Choose the cooling setting you want simply by rotating
dial to appropriate size snowflake symbol.
Use the following as a guide for choosing cooling setting:
Low Cool: Recommended for nighttime use.
Medium Cool: Recommended during mid-morning and
early evening hours when outside temperature is lower.
High Cool: Provides maximum cooling. Recommended
for quick cooling or on extremely hot days. Once room
is cooled, manufacturer suggests switching to a lower
cool setting.
H LOW HEAT m HIGH HEAT
Choose the heat setting you want simply by turning
mode control dial to the appropriate size sun symbol.
Use the following as a guide for choosing heating
settings:
Low Heat: Recommended for mildly chilly days and for
nighttime use.
High Heat: Provides maximum heating. Recommended
for sudden temperature drops and extended heating
needs.
THERMOSTAT +oVy-0
Set dial between -FO (warmer) and -0 (cooler) symbols
to obtain desired comfort level. This dial has no effect on
fan speed.
MANUAL START
Slide switch above timer to MAN setting to operate unit
manually. Set thermostat and cooling/heating mode
dials to desired settings.
FAN ONLY
Set cooling/heating mode control dial to fan symbol.
This will produce air at the minimal fan speed WITHOUT
cooling/heating.
When switching to Fan Only, allow two minutes before
switching unit back to cooling.
AUTOMATIC OPERATION
Your Carrier unit has a timer that allows pre-setting of
“on” and “off” times. Set unit to turn on and cool or heat
your home or office before you arrive. Set unit to auto
matically turn off after you leave.
NOTE: Timer must be reset after power failures or
interruptions.
SET TiMER TO TIME OF DAY
Rotate timer dial clockwise
until current time of day lines up
with the setting mark on flat
surface behind dial.
—Noon
-'i-
—Midnight
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