York WR 180 User Manual

®  

FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE

262292-YTG-C-0707

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 standard, high and low 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 tool free latched doors
• Hinged tool free blower, blower motor, filters and electrical 

panel access

• Rigging holes in base rails for lifting
• Single point power connection
• Complete factory package - tested, charged and wired
• CSA agency approvals on all units

• 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