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66433-YIM-B-1004
INSTALLATION SAFETY INFORMATION
Read these instructions before continuing this appliance
installation. This is an outdoor combination heating and cool-
ing unit. The installer must assure that these instructions are
made available to the consumer and instruct the consumer to
retain them for future reference.
1.
Refer to the unit rating plate for the approved type of gas
for this furnace.
2.
Install this furnace only in a location and position as
specified on pages 4 and 5 of these instructions.
3.
Never test for gas leaks with an open flame. Use com-
mercially available soap solution made specifically for
the detection of leaks when checking all connections, as
specified on pages 3 and 11 of these instructions.
4.
Always install furnace to operate within the furnace's
intended temperature-rise range with the duct system
and within the allowable external static pressure range,
as specified on the unit name/rating plate, specified on
pages 9 and 18 of these instructions.
5.
This equipment is not to be used for temporary heating
of buildings or structures under construction.
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could
result in serious injury, death or property damage.
Never test for gas leaks with an open flame. use a
commercially available soap solution made specif-
ically for the detection of leaks to check all connec-
tions. A fire or explosion may result causing
property damage, personal injury or loss of life.
GENERAL
YORK Model DNZ units are cooling/heating air conditioners
designed for outdoor installation. Only gas piping, electric
power and duct connections are required at the point of
installation.
The gas-fired heaters have hot surface to pilot ignition. The
tubular heat exchangers are aluminized steel.
The refrigerant system is fully charged with R-410A Refriger-
ant, and is tested and factory sealed.
The installer should pay particular attention to the words;
NOTE, CAUTION, and WARNING. NOTES are intended to
clarify or make the installation easier. CAUTIONS are given
to prevent equipment damage. WARNINGS are given to alert
the installer that personal injury and/or equipment damage
may result if installation procedure is not handled properly.
Unitary Products Group
INSPECTION
As soon as a unit is received, it should be inspected for possi-
ble damage during transit. If damage is evident, the extent of
the damage should be noted on the carrier's freight bill. A
separate request for inspection by the carrier's agent should
be made in writing. Refer to Form 50.15-NM for additional
information.
MAINTENANCE AND RENEWAL PARTS
Refer to User's, Maintenance and Service Information Man-
ual, Part No. 035-19776-000.
APPROVALS
Design certified by CSA listed as follows:
1.
For use as a forced air furnace with cooling unit.
2.
For outdoor installation only.
3.
For installation directly on combustible flooring or, in
U.S., on wood flooring or Class A; B; C roof covering
material.
4.
For installation on combustible material.
5.
For use with natural gas and/or propane (LP) gas.
Not suitable for use with conventional venting systems.
This product must be installed in strict compliance
with the enclosed installation instructions and any
applicable local, state, and national codes includ-
ing but not limited to, building, electrical and
mechanical codes.
Improper installation may create a condition where
the operation of the product could cause personal
injury or property damage.
This system uses R-410A Refrigerant which oper-
ates at higher pressures than R-22. No other
refrigerant may be used in this system.
3
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