Reznor YDSA Unit Installation Manual - Manual (Page 3)

Form I-Y, P/N 273646R6, Page 3
WARNING
Gas-fired appliances are not designed for use in hazardous atmospheres containing
flammable vapors or combustible dust, in atmospheres containing chlorinated or
halogenated hydrocarbons, or in applications with airborne silicone substances.
WARNING
Should overheating occur, or the gas supply fail to shut off, shut off the manual gas valve
to the appliance before shutting off the electrical supply.
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.
Warnings for Units with a Gas Heat Section
1.2 General
Information
This booklet includes installation and operation information. Before beginning any pro-
cedure, carefully review the information, paying particular attention to the warnings.
If you do not have knowledge of local requirements, check with the local agencies who
might have requirements concerning this installation. Become familiar with the require-
ments of your particular installation and make preparations for necessary supplies,
equipment, and manpower.
The installation instructions in this manual apply to Reznor
® Model YDHA, Model
YDMA, and Model YDSA. Other manuals in the literature bag include:
•
Form O-Y, Maintenance/Service Manual
•
Form CP-Y D21, Manual for Makeup Air Control System Option D21; or
•
Form CP-Y D19, Manual for Space Temperature Control System Option D19
1.3 Warranty Refer to limited warranty information on the warranty form in the "Literature Bag"
shipped with this system. If an optional extended warranty applies, keep the extended
warranty information for future reference and verification of warranty.
1.4 Installation
Codes
These packaged systems are certified by ETL to "Heating Cooling Equipment" (latest
edition), UL 1995 / CAN/CSA C22.2 No. 236-05. Electrical characteristics are shown
on the system rating plate. All cooling and reheat circuits are factory-charged with
R-410A refrigerant.
If the system has a gas heat section, it has an integral gas-fired, power-vented duct
furnace. The furnace is certified by ETL to the latest editions of both ANSI Z83.8 and
CSA 2.6 for use in the United States and Canada. The ETL label, type of gas, and the
firing rate are shown on the heat section rating plate.
California Warning
Label
If a gas-fired heat section is included and the system is being installed in the state of
California, the installer MUST attach the California warning label on the outside of the
heat section access panel. The California Warning label, P/N 196977, is shipped in
the "Literature Bag". Select a dry, clean location on the heat section access panel and
adhere the label.
If being installed in the Commonwealth of Massachusetts, this unit must be installed by
a licensed plumber or licensed gas fitter.
Massachusetts
Requirements
2.0 Location and
Moving
This outdoor unit is designed to be set on a matching Reznor ® curb (See Paragraph
5.3.) that will provide either vertical or horizontal discharge airflow. The system must be
level for proper operation. When selecting the location, check the following:

Installation location must comply with all applicable codes.
 Location on a roof depends on building structure. Refer to Paragraph 5.1 for
information on how to obtain unit weight data.
 Comply with required clearances in Paragraph 4.1.
 Position the unit so that the outside air inlet will not be facing into the prevailing
wind.
 Before moving the unit, refer to Paragraph 5.4 for rigging information.