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262260-YTG-E-1008
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
SINGLE PACKAGE GAS/ELECTRIC UNITS
AND SINGLE PACKAGE
AIR CONDITIONERS
DH 180, 210, 240 & 300
15, 17.5, 20 & 25 NOMINAL TONS
10.8 EER (15 TONS), 10.2 EER (17.5 TONS), 9.7 EER (20
TONS) AND 9.6 EER (25 TONS)
®
TECHNICAL GUIDE
DESCRIPTION
YORK Sunline Ultra™ units are convertible single package
high efficiency rooftops. All models have independent dual
refrigerant circuits for efficient part load operation. 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.
All units include:
• Powder Paint finish that meets ASTM-B-117 1000 hour
salt spray standards
• Two-stage cooling provided by dual independent refriger-
ation circuits with expansion valves, filter-driers, high and
low pressure/loss of charge switches and freezestats
• Hermetically sealed scroll compressors with crankcase
heaters
• Two-stage heating provided by dual independent heat
exchangers with aluminized steel tubes, redundant gas
valves, spark ignition with induced draft logic
• Permanently lubricated motors
• Bottom or side air discharge configuration capability
(field convertible)
• Belt drive blower motor with high static drive options
• Constant supply air volume (CV) with optional variable
air volume (VAV)
• Manufactured under the quality standards of ISO9001
• Twenty-four volt control circuit with compressor lock-out
• Zero-25% fixed air damper with hood
• Copper tube/aluminum fin coils
• Hinged filter access and tool free latched doors optional
• Hinged tool free blower, blower motor, filters and electri-
cal panel access optional
• Rigging holes in base rails for lifting
• Single point power connection
• Complete factory package - tested, charged and wired
• CSA agency approvals on all units
WARRANTY
• Factory Limited Parts Warranty
• One-year parts warranty
• A Five-year parts warranty on the compressor and
electric heat elements.
• Ten-year parts warranty on the gas-fired heat
exchangers.