HFATUNG & COOLING
SingMe-Packaged EMectric Heat Pump Unit
with Puron® (R-410A) Refrigerant
%isitx__ _.carrier.com
A Guide to Operating and Maintaining Your
Single-Packaged Electric Heat Pump Unit
NOTE: Read the entire instruction manual be%re starting the
installation.
SAFETY CONSIDERATIONS
Installation and servicing of air:conditioning equipment can be
hazardous &/e to system pressure and electrical components Only
trained and qualified personnel should install, repair, or service
air-conditioning equipment
Untrained personnel can perfom_ basic maintenance fonctions of
cleaning coils and filters. All other operations should be perfbrmed
by tlained service personnel. When working on air-conditioning
equipment, observe precautions in the literature, tags, and labels
attached to the unit, and other safety precautions that may apply.
Follow all safe V codes. Wear safety" glasses and work gloves. Use
quenching cloth fbr unbrazing operations. Have fire extinguisher
available for all brazing operations.
Recognize safety information. This is the saf?ty=alert symbolfi._.
When you see this symbol on the product or in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNfNG, CAU=
TION, and NOTE. Danger identifies the most serious hazards,
which will result in severe personal injury- or death. Warning
indicates a condition d'mt could cause serious personal it{jury," or
death. Caution is used to identify unsafe practices, which would
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.
Note to Installer:This manual should be left with the equipment
user,
Do not store or use gasoline or other flamnmble vapors and
liquids in the vicinity' of this or any other appliance. Failure to
follow this warning could result in fire, serious injury, or
death
Do not use this unit if any part has been under water.
Imntediately call a qualified service technician to inspect the
unit and to replace any part of the cormol system which has
been under water Failure to follow this warning could result
in electrical shock, fire, serious ir_jury, or death.
Before performing recommended maintenance, be sure the
main power s_itch to unit is turned off. Electric shock could
cause serious i11iury or death.
C99064
Fig. 1--Unit 50XZ
b, Select temperature and set SYSTEM switch or MODE
control to desired mode
2 To shut unit off:
NOTE: If the unit is being shut down because of" a malfunction,
call your dealer as soon as possible.
a. Set system SWITCH or MODE control to OFF.
b. Turn off the electrical power supply to unit.
OPERATING YOUR HEAT PUMP
]"he operation of yore heat pump system is controlled by the
indoor them_ostat. Yott simply adjust the them_ostat and it
maintains the indoor temperature at the level you selecL Most
thermostats of heat pump systems have 3 controls: a temperature
conhol selector, a FAN control, and a SYSTEM or MODE control.
Refer to your thermostat owner's manual for more infbmmtion
To better protect your investment and to eliminate unnecessao,-
service calls, familiarize yourself with the _k_llowing facts:
1. During heating, increasing the thermostat setting more than
2°F may cause the supplemental heaters to be turned on for a
short period of time to satisfy the themmstat. Needless use of
the supplementary heat reduces potential energy savings.
STARTING OR SHUTTING UNiT OFF
1, To start the trait:
a. Turn on the electrical po_er supply to unit.
Nanufacturer reserves the r}ght to discontinue, or change at any time, specifications or designs wRhout notice and without incurring oNigations.
PC 101 Catalog No 535-00069 Printed in US.A. Form OM50-33 Pg 1 4-03 Replaces: New
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