5370597-JIM-D-1019
2
Johnson Controls Ducted Systems
General
Johnson Controls J**ZT units are single package air
conditioners with optional gas heating designed for outdoor
installation on a rooftop or slab and for non-residential use.
These units can be equipped with factory or field installed
electric heaters for heating applications.
These units are completely assembled on rigid, permanently
attached base rails. All piping, refrigerant charge, and electrical
wiring is factory installed and tested. The units require electric
power, gas supply (where applicable), and duct connections.
The electric heaters have nickel-chrome elements and utilize
single-point power connection.
Safety Considerations
This is a safety alert symbol. When you see this symbol
on labels or in manuals, be alert to the potential for
personal injury.
Understand and pay particular attention the signal words
DANGER
,
WARNING
or
CAUTION
.
DANGER
indicates an
imminently
hazardous situation, which,
if not avoided,
will result in death or serious injury.
WARNING
indicates a
potentially
hazardous situation, which,
if not avoided,
could result in death or serious injury.
CAUTION
indicates a potentially hazardous situation, which, if
not avoided
may result in minor or moderate injury.
It is also
used to alert against unsafe practices and hazards involving
only property damage.
Due to system pressure, moving parts, and electrical
components, installation and servicing of air conditioning
equipment can be hazardous. Only qualified, trained service
personnel should install, repair, or service this equipment.
Untrained personnel can perform basic maintenance functions
of cleaning coils and filters and replacing filters.
Observe all precautions in the literature, labels, and tags
accompanying the equipment whenever working on air
conditioning equipment. Be sure to follow all other applicable
safety precautions and codes including ANSI Z223.1 or CSA-
B149.1- latest edition.
Wear safety glasses and work gloves. Use quenching cloth and
have a fire extinguisher available during brazing operations.
Improper installation may create a condition where the
operation of the product could cause personal injury or
property damage. Improper installation, adjustment,
alteration, service or maintenance can cause injury or
property damage. Refer to this manual for assistance or
for additional information, consult a qualified contractor,
installer or service agency.
This product must be installed in strict compliance with
the installation instructions and any applicable local,
state and national codes including, but not limited to
building, electrical, and mechanical codes.
Before performing service or maintenance operations on
unit, turn off main power switch to unit. Electrical shock
could cause personal injury. Improper installation,
adjustment, alteration, service or maintenance can
cause injury or property damage. Refer to this manual.
For assistance or additional information consult a
qualified installer, service agency or the gas supplier.
This system uses R-410A Refrigerant which operates at
higher pressures than R-22. No other refrigerant may be
used in this system. Gage sets, hoses, refrigerant
containers and recovery systems must be designed to
handle R-410A. If you are unsure, consult the equipment
manufacturer. Failure to use R-410A compatible servicing
equipment may result in property damage or injury.
If the information in this manual is not followed exactly, a
fire or explosion may result causing property damage,
personal injury or loss of life.
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS:
a. Do not try to light any appliance.
b. Do not touch any electrical switch; do not use any
phone in your building.
c. Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
d. If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
