York DM 240 User Manual
262259-YTG-B-0107
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
TECHNICAL GUIDE
SINGLE PACKAGE GAS/ELECTRIC UNITS
AND SINGLE PACKAGE AIR
CONDITIONERS
DM 180, 240 & 300
15, 20 & 25 NOMINAL TONS
®
DESCRIPTION
YORK Sunline 2000™ 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.
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
salt spray standards
•
Two-stage cooling provided by dual independent
refrigeration circuits with expansion valves, filter-driers,
high and low pressure/loss of charge switches and
freezestats
refrigeration circuits with expansion valves, filter-driers,
high and low pressure/loss of charge switches and
freezestats
•
Scroll compressors (25T model only)
•
Two-stage heating provided by dual independent heat
exchangers with aluminized steel tubes, redundant gas
valves, spark ignition with induced draft logic
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)
(field convertible)
•
Belt Drive Blower Motor with high static drive option
•
Constant supply air volume (CV) with optional variable
air volume (VAV)
air volume (VAV)
•
Manufactured under the quality standards of ISO9001
•
Simplicity® Control Board
•
Zero-25% fixed air damper with hood
•
Copper tube/aluminum fin coils
•
Hinged filter access and tooless latched doors
•
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
•
One-year parts warranty
•
A Five-year parts warranty on the compressors and
electric heat elements
electric heat elements
•
Ten-year parts warranty on the gas-fired heat
exchangers
exchangers