Carrier 50SZ Series Manual

50SZ
Single-Package Heat Pump Units
A Guide To Operating and Maintaining Your
Single-Package Heat Pump Unit
HEATING & COOLING
ELECTRICAL SHOCK HAZARD
Failure to Ii}llow this warning could result in personal injury,
death.
Before perlk)mdng recoimnended maintenance, be sure the
main power switch to unit is turned off.
Fig. 1--Unit 50SZ
NOTE TO INSTALLER: This manual shouM be lefl with the
equipment owner.
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.
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 tinder water.
hnmediately call a qualified service technician to inspect the
unit and to replace any part of the control system which has
been tinder water.
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 engineefing
development and the cuhnination of many years of expefience
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 efficiency. 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.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the sali_ty-alert symbol. DAN-
GER identifies the most sefious hazards which will result in severe
personal injury or death. WARNING signifies hazards which
could result in personal injury or death. CAUTION is used to
identify unsali: 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 SHOCK HAZARD
Improper installation, adjustment, alteration, service, mainte-
nance, 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 factory-
authorized kits or accessories when modilying this product.
YOUR COMFORT SYSTEM
iDENTiFYiNG YOUR SYSTEM
Take the time to familiarize yonrself with your packaged heat
pump type of systenL This knowledge will be of use in under-
standing the basic operation of your new heal primp. The unit has
a rating plate affixed to it which provides necessary inlkmnation
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Printed in U.S.A. Catalog No. OM50-43 Pg 1 Replaces: New