998659-YIM-C-0614
Johnson Controls Unitary Products 3
Reference
Additional information is available in the following reference
forms:
• Technical Guide - ZH/XP078-150, 528195
• General Installation - XP078-150, 998659
• Pre-start & Post-start Check List
• Economizer Accessory -
Downflow Factory Installed
Downflow Field Installed
Horizontal Field Installed
• Motorized Outdoor Air Damper
• Manual Outdoor Air Damper (0-100%)
• Manual Outdoor Air Damper (0-35%)
• Electric Heater Accessory 50” cabinet
Renewal Parts
Contact your local York
®
parts distribution center for authorized
replacement parts.
Approvals
Design certified by CSA as follows:
1. For use as a cooling only unit, cooling unit with
supplemental electric heat or a forced air furnace.
2. For outdoor installation only.
3. For installation on combustible material and may be
installed directly on combustible flooring or, in the U.S., on
wood flooring or Class A, Class B or Class C roof covering
materials.
This product must be installed in strict compliance with
the enclosed installation instructions and any applicable
local, state, and national codes including, but not limited
to, building, electrical, and mechanical codes.
Improper installation may create a condition where the
operation of the product could cause personal injury or
property damage.
This system uses R-410A Refrigerant which operates at
higher pressures than R-22. No other refrigerant may be
used in this system.
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