YORK INTERNATIONAL
6
INTRODUCTION
GENERAL
This manual has been prepared as a guide for installing,
operating and maintaining CurbPak Air Handling Units.
YORK has produced a quality product that is adapt-
able to almost any comfort or industrial application.
However, proper installation, operation and maintenance
must be followed to realize the full capacity and life of
the units.
This instruction contains general recommendations, but
specific requirements may apply to the individual instal-
lation. Such requirements are outlined in federal, state
and local safety codes. Strict compliance with these
codes, and strict adherence to these instructions are
the responsibility of the user. Particular attention should
be given to electrical wiring and other safety elements
such as design working pressures and requirements of
the Government Clean Air Act Amendments as it ap-
plies to refrigerant types and charges. General safety
practices are covered in AMCA Publication 410-90.
Read the entire instruction before installing or operat-
ing the air handler. Specific details and requirements
apply that require careful consideration to avoid dam-
age to the equipment and injury to the installer or op-
erator.
The installer should pay particular attention to the fol-
lowing symbols:
Notes are intended to clarify or make
the installation easier.
Cautions are given to prevent equip-
ment damage.
Warnings are given to alert the in-
staller that personal injury and/or
equipment damage may result if in-
stallation, operation and mainte-
nance procedures are not handled
properly.
DESCRIPTION
The YORK CurbPak is specifically custom designed
for outdoor rooftop application or other specified loca-
tions. This unit is of weatherproof design with a roof
that slopes 1/4 inch per foot minimum. The roof over-
hangs the side panels by three (3) inches to prevent
water infiltrating the unit. All side panels overhang roof
curbs to prevent water leakage. A “U” constructed base
FIG. 1 –
CUTAWAY OF CURBPAK SHOWING VARIOUS SEGMENTS
SUPPLY FAN SEGMENT
COIL
SEGMENT
FILTER
SEGMENT
INLET/ECONOMIZER
SEGMENT WITH
DWDI RETURN AIR FAN
25514A
Introduction