York WR300 Air Conditioner User Manual


 
®
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
262292-YTG-B-0107
TECHNICAL GUIDE
DESCRIPTION
YORK Sunline MagnaDRY™ 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
refrigeration circuits with expansion valves, filter-driers,
high and low pressure/loss of charge switches and
freezestats
Scroll compressors
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 option
Constant supply air volume (CV) with optional variable 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 toolless 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
Ten-year parts warranty on the gas-fired heat exchangers
SUNLINE MagnaDRY™
GAS/ELECTRIC SINGLE
PACKAGE AIR CONDITIONERS
WR 180, 240 & 300
15 thru 25 NOMINAL TONS
11.9 EER (15 TONS), 11.0 EER (20 TONS),
10.0 EER (25 TONS)