• For installation on combustible material and
may be installed directly on combustible
flooring or, in the U.S., on wood flooring
or Class A, Class B or Class C roof covering
materials.
• For use with natural gas. The unit can be
converted to LP with a kit.
CAUTION
This product must be installed in strict compliance
with the enclosed installation instructions and any
applicable local, state, and national codes including,
but not limited to, building, electrical, and mechanical
codes.
WARNING
Improper installation may create a condition where the
operation of the product could cause personal injury
or property damage.
CAUTION
This system uses R-410A refrigerant which operates
at higher pressures than R-22. No other refrigerant
may be used in this system.
Installation Manual: YORK
®
Sun
™
Select YV28 to YV50
7
Johnson Controls Ducted Systems