CARRIER Air Conditioner/heat Pump(outside Unit) Manual L0611346
User Manual: CARRIER CARRIER Air conditioner/heat pump(outside unit) Manual CARRIER Air conditioner/heat pump(outside unit) Owner's Manual, CARRIER Air conditioner/heat pump(outside unit) installation guides
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50ZHA
Heat Pump Units
HEATING & COOLING
Single-Package
A Guide To Operating and Maintaining Your
Single-Package Heat Pump Unit
ELECTRICAL SHOCK HAZARD
Failure to Ii_llow this warning could result in personal injury,
death.
Bef_re perlk)rming recoimnended maintenance, be sure the
main power switch to unit is turned olT.
WELCOME
TO EFFiCiENT YEAR-ROUND
COMFORT
Congratulations on your excellent choice and sound investment in
year-round home comlk_rt!
Your new heat pump represents both the latest in engineering
development and the cuhnination of many years of experience
from one of the most reputable manuIk_cturers of comlk_rt systems.
Your new unit is among the most energy-efficient and reliable heat
pump products available today. To assure its dependability, spend
just a li:w minutes with this booklet now to learn about the
operation of your heat pump, and the small amount of maintenance
it takes to keep it operating at its peak elTiciency. With minimal
care, your new heat pump will provide you and your family with
year-round home comlk)rt both now and lk_r years to come.
SAFETY CONSiDERATiONS
Recognize salEty inlk)rmatiou. This is the sali_ty-alert symbolz_.
When you see this symbol on unit or in instructions and manuals,
be alert to potential lbr personal injury.
Fig. 1--Unit
NOTE TO INSTALLER:
equipment owner.
50ZHA
This manual shouM be lefl with the
FOR YOUR SAFETY
Do not slore or use gasoline or other flauunable vapors and liquids
in the vicini{y of this or any odler appliance.
Understand the signal words DANGER, WARNING, and CAUTION. These words are used with the sali_ty-alert symbol. DANGER identifies the most serious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
eoMd result in personal injury or deadl. CAUTION is used to
identify unsalE practices which may result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
FIRE AND ELECTRICAL
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to lbllow this warning could result in personal injury,
death or properly damage.
Do not use this unit if any part has been under water.
hnmediately call a qualified service technician to inspect the
unit and to replace any part of the control system which has
been under water.
YOUR
Manufacturer
reserves
PC 101
the right
to discontinue,
or change
Printed in U.S.A.
COMFORT
iDENTIFYiNG
YOUR
Take
the time
to familiarize
pump
type of systenL
the basic operation
plate affixed
or designs
yonrself
with
This knowledge
a rating
No. ©M50-41
SYSTEM
SYSTEM
standing
at any time, specifications
Catalog
SHOCK HAZARD
Improper installatiom adjustment, alteration, service, maintenance, or use can cause explosiom fire, electrical shocL or
other conditions which could cause serious injury, death or
properly damage. Consult a qualified installer, service
agency, or your distributor or dealer lk_r inlk_nnation or
assistance. The qualified installer or agency must use factoryauthorized kits or accessories when modilying this product.
your
of your new heat pnmp.
to it which
without notice
Pg 1
provides
and without
packaged
heat
will be of use in undernecessary
The unit has
inlkmnation
incurring obligations.
Replaces:
New
lkwspecific identification of a unit. You should lkuniliafize yoursell'
with the product, model, and serial numbers listed on each rating
plate. Record them lkw linure reli:rence in the space provided at the
end of this booklet.
iMPORTANT
FACTS
To better protect your investn-lent and to eliminate
calls_ familiarize yourself with the lollowing facts:
unnecessary
1. Your heat pump system should never be operated without a
clean air filter properly installed. Plan to inspect the filter
periodically. A clogged air filter will increase operating costs
and shorten the life ol' the unit.
2. Supply-air and return-air registers should not be blocked.
Drapes, limfiture, and toys are some o1' the items commonly
lound obstructing registers. Restricted airflow lessens the
unit's efl'iciency and lili: span.
3. The outdoor unit must have unrestficted airflow. Do not cover
the unit, lean anything against it, or stand on it. Do not allow
grass clippings, leaves, or other debris to accumulate around
on top of the unit. Maintain a 30-in. nfininmm clearance
between the outdoor unit and tall grass, vines, shrubs, etc.
4. Your nmltipurpose indoor tllermostal is the control center lkw
your beat pump system. You should familiarize yourself with
its proper operation. Attempting to control the system by other
n'aeans liar instance, switching the electrical supply power
ON and OFF may cause damage to the unit (See Fig. 3).
5. Dufing heating, increasing the thermostat setting n'aorethan 2
degrees may cause the supplemental beaters to be turned on
lor a short period ol' time to satisfy the thermostat. Needless
use of the supplementary heat reduces potential energy savings.
6. You may find that you can maintain greater personal condort
by running the fan continuously. "Air pockets" can lbrna due
to the structure of the house, placement of registers, etc. air
pockets may be too cool or warm lot your liking. Continuous
lira operation minimizes any temperature dil'R:rences. Also,
systems equipped with electronic or mechanical air cleaners
and/or humidifiers ofler the added benefits ol' having the air
continuously cleaned year-round and humidified during the
winter season.
7. Your heat pump will remove bumidity fi'om your home during
the cooling season. Al_er a R:w minutes of operation, you
should be able to see water trickle from the condensate drain.
Check this occasionally to be stare the drain system is not
clogged. OI' course, don't expect to see much drainage if you
live in a very dry environment.
FIRE AND ELECTRICAL HAZARD
Failure to lk}llow this warning could result in personal injury,
death and/or property damage.
To prevent serious injury, deafll, or property dan'mge, read
and li_llow all instructions and warnings, including labels
shipped with or attached to unit beli.we operating your new
heat pump.
OPERATING
COOLING
MODE
When operating in cooling mode, your heat pump will run in
cooling mode until the indoor temperature is lowered to the level
yon have selected. On extremely hot days, your beat pump will run
li_)rlonger periods at a time and have shorter "ofP' periods than on
moderate days.
The li_llowing are typical conditions that add extra beat andk)r
humidity to your home. Your heat pump will work longer to keep
your home comfortable under these conditions:
1. Entrance doors are fi'eqnently opened and closed
2. Laundry appliances are being operated
3. A shower is running
4. More than the usual number of people are present in the bonae
5. More than the nornml number ol_electric lights are in use
6. Drapes are open on the sunny side of the home
f
"x
Fig. 2--Carrier
8. During the beating cycle, air fi'om your registers may seem
cooler than you ndght first expect. This is because your beat
pump delivers a constant flow ol' air at around 90"F to 105°F
instead of sudden bursts ol' hot air as with a conventional
liarnace. This air may leel cooler because it is slightly less than
your skin temperature. However, it is sufl'iciently warm to
keep you comlk_llable.
HEATING
9. Ice or frost will tend to
beating operation. Your
cally melt the ice. When
steam or ling to rise fi'om
DEFROST MODE
lkwm on the coil during the winter
heat pump is designed to automatiin this defi'ost cycle, it is normal lk_r
the outdoor unit. Do not be alarmed!
10. Do not operate your unit in cooling mode when outdoor
temperatures are below 55"F unless your unit was naodified lkw
low-ambient operation.
11. Do not operate your unit in heating mode when outdoor
temperatures are above 66°F unless you set your thermostat to
emergency beat mode.
YOUR HEAT PUMP
The operation of your heat pump system is controlled by the
indoor thermostat. You simply adjust the thermostat and it
maintains the indoor temperature at the level you select. Most
thermostats l_)r beat pump systems have 3 controls: a tenaperature
control selector, a FAN control, and a SYSTEM or MODE controh
Non-Programmable
Thermostat
MODE
With the SYSTEM or MODE control oI: your indoor thermostat set
to HEAT, your heat pump will run in heating mode until room
temperature is raised to the level you have selected. Of course,
your heat pump will have to operate for longer periods to nmintain
a comlkwtable environment on cooler days and nights than on
naoderate olaes.
When your beat pump is providing heat to your home and the
outdoor temperature drops below 45"F_ moisture may begin to
freeze on the surface of the coil. If allowed to build tap, this ice
would impede airflow across the coil and reduce the amount of
heat absorbed fi'om the outside air. So, to maintain energy-efl'icient
operation, your beat pump has an automatic defi'ost mode. The
defi'ost mode starts at a preset time interval ol' 60 minutes. Defi'ost
will start at the preset time only if the ice is sufficient to interlcre
with normal heating operation. After the ice is melted fi'om the
coil, or after a maximum
automatically
of 10 minutes
switches
back to normal
in defi'ost
beating
mode,
tile unit
operation.
PERSONAL
Do not be alarmed
during
defrost
condense
if steam
mode.
or li)g appears
Water
vapor
fixm_ the
into a mist in the cold outside
as
heavy
at tile outdoor
snow
melting
air. During
ice
certain
uncommon
lor ice to build up on the unit grille. This is normal
the unit grille.
This condition
the unit and will clear
EMERGENCY
This
allows
or office
not
lk)r
l_lnction
of
a li_w days.
until your
heat
beating
beat pump
pump
determine
source
to keep your home
can be serviced.
has
been
Also,
off' lk_r more
to EHEAT
in EHEAT
than
30
mode liar an amount
It is not necessary
mode
if the
mode beli_re restarting
how long the power
in EHEAT
Although
special
HAZARD
careful
when
to exceed
12
has been off,
lor 8 hrs.)
! N
may result
of your
handling
uniL to avoid
i
into the unit.
CHECK THE AiR FILTER
motor.
This
fail
and
need
operation
excessive
can
cause
shut down.
of
MONTHS.
to
be
your
replaced.
To
CHECK
filter(s)
avoid
Disposable
filters should
same dimensions.
be replaced
filters should
is drying,
allows
you to rotate
yon should
between
your comlk)rt
dealer.
system.
The
and filter
filters(s)
Extra
inel]'icient
FILTER(S)
be washed
have
or
failed
3
the filter(s)
new filters
in a solution
of the
of cold
and thoroughly
dried. THE
DRY BEFORE
BEING
shutdown
an extra
of your unit while
filter on baud.
tile two with minimal
filters
and
will
EVERY
or clean
by similar,
To avoid prolonged
a filter
and
to overheat
the components
when necessary,
type.
permanent
case,
THE
if you have the reusable
Reusable,
strain on the compressor
the colnpnnenls
In the worst
unit,
Replace
REINSTALLED.
MAIN
injury.
sharp edges
injury be extremely
parts or reaching
water and mild detergent,
then rinsed
FILTER
MUST
BE COMPLETELY
I
in personal
care has been taken to minimize
in tile construction
antomatically
of time equal to the power outage.
the system
INJURY
to ff)llow this caution
A dirty air filter will cause
Leave the system
hrs. (If you cannot
Failure
blower
switch your thermostat
your heat pump.
leave
is
the ice from
will not al]i_ct the proper
your supplemental
to your
minutes,
to remove
it
HEAT MODE
warm
electricity
Do not attempt
rain
weather
such
conditions.
freezing
may
conditions
these weather
and
trait
may be purchased
rack l_)r a packaged
system
This
downtime
lk)r
fi'om your
are supplied
and installed by the contractor
or dealer. Typically, tile filterIs) and
rack are located in the return-air
duct at the outdoor unit or behind
the return-air
grille(s).
your
and the procedures
filter(s)
If your system
relbr
Have your dealer
includes
to air cleaner
a high elTiciency
User's
show
lk)r mmoval
Manual
you tile location
or electronic
lk)r proper
of
and replacement.
filter
air cleaner,
cleaning
or
replacement.
OUTDOOR
A92135
Fig. 3--Main
PERFORMING
With
tile
proper
Electdcal
ROUTINE MAINTENANCE
maintenance
operate
ecnnondcally
plished
easily
by reli:rring
ELECTRICAL
SHOCK
Failure to lollow
and/or death.
furnace
tenance.
removing
Disconnect
units. Note: Them
switch.
your
,
beat
Maintenance
consider
ptunp
directions.
these
will
can be accomsali_ty
°
could
result
in personal
power
to the indoor
access
panels
power
injury
air handler
to perlorm
to both the indoor
may be more than 1 electrical
If grass clippings, leaves, shrubbery, and debris are kept away
from the unit, minimal care should be sul'f]cient to keep the system
functioning properly. However, if the outdoor coil becomes dirly,
use a vacuum cleaner or shop vac with soft brush attachment to
clean the exterior surlace. Vacuum coil surface using an up and
down motion. Be careful not to bend or damage fins.
If dirt is deep in the coil, contact your dealer li)r service. Do not
attempt this yourself.
However,
important
HAZARD
this warning
all electrical
belorc
care,
to tile lbllowing
maintenance,
t
Disconnect
and
and dependably.
belbrc perlbrming
precautions:
Disconnect
COiL
or
any main-
OUTDOOR
COIL--SEA
COAST
If your unit is located near the ocean, special maintenance is
required. Ocean mist/breeze carries salt, which is corrosive to most
metals. Although your new unit is made out of galvanized metal
and is protected by top-grade paint, you should take the precaution
of additional maintenance which consists of periodically washing
the unit. By washing all exposed surR_ces and coil, you will be
adding additional lili_ to your unit. Please consult your installing
contractor Ibr proper intervals/procedures liar your geographic area
or service contact.
and outdoor
disconnect
UNiT SUPPORT
Your packaged heat pump unit should be maintained at a level
position. If its support should shift or settle so that the unit is no
longer level, you should correct the condition. Relevel it promptly
to assure water drains out of the unit. If you notice that water or ice
collects beneath the unit, arrange li)r it to be drained away fi'om the
unit.
BEFORE YOU REQUEST A "SERVICE CALL"
CHECK FOR THESE EASILY SOLVED PROBLEMS:
1. Check tile indoor and outdoor disconnect switches. Verify that
circuit breakers are ON or thai fuses have not blown.
2. Check lbr snfficient airflow. Check the air filter(s) lbr any
accnmulations of dirt. Check lot blocked return-air or snpplyair registers. Be sure registers are open and unobstructed.
3. Check the settings on your indoor thermostat. If yon desire
cooling, make sure that the temperature control selector is set
below room telnperaUlre and the SYSTEM or MODE control
is set to COOL or AUTO. If you require warmth, make sure
that the ten_perature control selector is set above room
temperature and the SYSTEM or MODE control is set to
HEAT or AUTO. The FAN control should be set to ON lot
continuous blower operation or AUTO if you wish blower to
lhnction only while your heat pump is operating. If your
comlort system still fails to operate, turn your system off and
contact your servicing dealer for troubleshooting and repairs.
Specify your apparent probleln, and state the model and serial
number of your equipment. (You should have them recorded
on the last page of this booklet.) With this inlimnation, your
dealer may be able to oflcr helplid suggestions over the phone
or save valuable time through knowledgeable preparation li,_r
the service call.
REGULAR
6. Operational check of the heat primp system to determine
actual working condition. Necessary repair andk)r ad,iustment
should be pert'orn_ed at this time.
7. Your servicing dealer may oflcr an economical service contract that covers seasonal inspections. Ask lbr fllrther details.
WARRANTIES
You have purchased a 50ZHA series unit. Be sure to read the
warranty at the back of this booklet carefully to determine the
coverage liar your unit.
FOR THE RECORD
Record the model, product, and serial uumbers of your ne'w
equipment in the spaces provided. This inlbrmation, along with the
other ready-relL'rence facts requested will be necessary should you
ever require inlbrmation or service.
iNSTALLATiON
DATA
Date Installed ..................................................................................
Dealer's
Name .................................................................................
Address
............................................................................................
DEALER MAINTENANCE
In addition to the routine maintenance that you perlorm, your
home comlk_rt system should be inspected regularly by a properly
trained service technician. The inspection (prelbrably twice each
year, but at least once every year) should include the lollowing:
1. Routine inspection of air filter(s). Replacement
required.
or cleaning as
State/Zip
..........................................................................................
Telephone
........................................................................................
UNiT DATA
Unit Model ......................................................................................
2. Inspection and cleaning of the blower wheel, housing, and
motor as required.
Unit Serial Number ........................................................................
3. Inspection and, if require& cleaning of coils.
4. A check of all electrical wiring and connections.
Heater, if applicable:
Part Number ...................................................................................
5. A check lbr secure physical connections
ponents within unit.
Kilowatt
Copyright
2005 CARRIER
Manufacturer
B°°k 1L_L__
Tab 16 18
reserves
PC 101
of individual com-
Corp. • 7310 W. Morris St. • Indianapolis,
the right
to discontinue,
IN 46231
or change at any time, specifications
Printed in U.S.A.
Rating ..............................................................................
Catalog
No. OM50-41
or designs
without
notice
Pg 4
and without incurring
obligations.
Replaces:
New
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