• Units shall be constructed with a high pressure switch for system protection.
• Units shall be constructed with all badging and labels applied at the factory.
Unit components
• Compressor shall be hermetic with internal electrical overload protection and internal
overpressure protection.
• Compressor shall be mounted on neoprene vibration isolators that do not require the removal
of transportation clips or brackets.
• Outdoor fan shall be direct drive with horizontal air discharge for low sound levels.
• Outdoor fan blades shall be swept-wing to minimize sound (applies to select models).
• Outdoor fan motor shall be totally enclosed with permanently lubricated ball bearings motors
approved for vertical shaft applications.
• Outdoor fan motor shall be ECM construction with permanently lubricated ball bearing motors
approved for vertical shaft applications.
Unit warranties
• Unit manufacturer shall provide a 5-year compressor warranty without a requirement for unit
registration.
Typical installation
Figure 3: Minimum clearances when selecting a location
CAUTION
Caution
Care must be taken to prevent ice from damaging the unit. Damage may occur from ice falling onto
unit from a sloped roof or from a vertical drip line due to a partial overhang.
13YORK Technical Guide: HMH7 Series - 17 SEER Horizontal Discharge Modulating Heat Pump
Johnson Controls Ducted Systems
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