254595-YTG-C-0308
Johnson Controls Unitary Products
31
GUIDE SPECIFICATIONS
GENERAL
Units shall be manufactured by York International Unitary
Products Group in an ISO 9001 certified facility.
York's Sunline 2000
TM
units are convertible single package
heat pumps. Although the units are primarily designed for
curb mounting on a roof, they can also be slab-mounted at
ground level or set on steel beams above a finished roof.
Models are available with a wide variety of factory-mounted
options and field-installed accessories to make them suitable
for almost every application. All units are self-contained and
assembled on full perimeter base rails with holes in the four
corners for overhead rigging. Every unit is completely piped,
wired, charged and tested at the factory to simplify the field
installation and to provide years of dependable operation. All
models (including those with an economizer) are suitable for
either bottom or horizontal duct connections. Models with
power exhaust are suitable for bottom duct connections only.
For bottom duct, remove the sheet metal panels from the
supply and return air openings through the base of the unit.
For horizontal duct, remove the supply and return air panels
on the rear of the unit.
All non-Scroll compressors include crankcase heaters and all
compressors have internal pressure relief. Every refrigerant
circuit includes a liquid line filter-drier, a discharge line high
pressure switch and a suction line with a freezestat and low
pressure/loss of charge switch.The unit control circuit
includes a 75 VA transformer, a 24-volt circuit breaker and a
relay board with a compressor lockout circuit, a terminal strip
for thermostat wiring, plus an additional set of pin connectors
to simplify the interface of additional field controls. All units
have long lasting powder paint cabinets with 750 hour salt
spray test approval under ASTMB117 procedures. All models
are CSA listed. All models include a 1-year limited warranty
on the complete unit. Compressors and electric heater ele-
ments carry a 5-year warranty.
DESCRIPTION
Units shall be factory-assembled, single packaged heat
pumps designed for outdoor mounted installation.
The units shall have minimum SEER ratings of 10.0. They
shall have built-in field convertible duct connections for down
discharge supply/return or horizontal discharge supply/return,
and be available with factory installed options or field installed
accessories. The units shall be factory wired, piped, charged
with R-22 refrigerant and factory tested prior to shipment. All
unit wiring shall be both numbered and color coded. All units
the cooling performance shall be rated in accordance with
DOE and ARI test procedures. Units shall be CSA listed,
classified to ANSI Z21.47, UL 1995/CSA No. 236 standards.
UNIT CABINET
Unit cabinet shall be constructed of a combination of G60 and
G90 galvanized steel, with exterior surfaces coated with a
non-chalking, powdered paint finish, certified at 750 hours
salt spray test per ASTMB117 standards. Indoor blower sec-
tion shall be insulated with a minimum 1/2” thick insulation,
coated on the airside. Aluminum foil faced insulation shall be
FIGURE 10 - ROOF CURB DIMENSIONS
