Reznor UEAS Unit Installation Manual - Manual (Page 3)

1.2 General
Information
WARNING
Do not use this appliance if any part has been under
water. Immediately call a qualified service technician to
inspect the appliance and replace any gas control that
has been under water.
WARNING
Installation should be done by a qualified agency in
accordance with these instructions. The qualified
service agency installing this high efficiency separated-
combustion system is responsible for the installation.
1.3 Warranty
Refer to the limited warranty information on the Warranty Form shipped with the
heater.
Warranty is void if ...
a. Wiring is not in accordance with the diagram furnished with the heater.
b. The unit is installed without proper clearance to combustible materials.
c. A fan model is connected to a duct system or if the air delivery system is
modified.
1.4 Installation Codes
These units must be installed in accordance with local building codes. In the
absence of local codes, in the United States, the unit must be installed in accor-
dance with the National Fuel Gas Code, ANSI Z223.1 NFPA 54. A Canadian instal-
lation must be in accordance with the CSA B149 Installation Codes. These codes
are available from CSA Information Services, 1-800-463-6727. Local authorities
having jurisdiction should be consulted before installation is made to verify local
codes and installation procedure requirements.
Installations in aircraft hangars should be in accordance with ANSI/NFPA No. 409
(latest edition), Standard for Aircraft Hangars; in public garages in accordance
with ANSI/NFPA No. 88A (latest edition), Standard for Parking Structures; and for
repair garages in accordance with ANSI/NFPA No. 88B (latest edition), Standard
for Repair Garages. In Canada, installations in aircraft hangars should be in accor-
Model UEAS high-efficiency unit heaters are design certified by ITS for use in
industrial and commercial installations in the United States and Canada. Instruc-
tions in this manual apply only to Model UEAS heaters.
Model UEAS heaters are available for use with either natural or propane gas. The
type of gas, the input rate, and the electrical supply requirement are shown on the
heater rating plate. Check the rating plate to determine if the heater is appropriate
for the intended installation. NOTE: All Model UEAS heaters are factory equipped
for use with natural gas and include a conversion kit for field conversion for use
with propane.
Model UEAS heaters have a titanium stabilized primary heat exchanger with a
MacroChannel ® secondary heat exchanger.
CAUTION
Model UEAS unit heaters should not be used in an application
where the heated space temperature is below 50°F. The
combination of low space and combustion air temperatures
may result in condensate freezing in the secondary heat
exchanger and/or condensate drain.
Special Installations
(Aircraft Hangars/
Repair Garages/Parking
Garages)
Form I-UEAS, P/N 221232 R13, Page 3