Other Pre-Engineered Accessories Available - York Predator ZF120 Technical Manual

5167798-YTG-J-0218
• BREAKER – An HACR breaker can be factory installed
on gas heat units or cooling units with electric heat.
• DISCONNECT SWITCH - A disconnect can be factory
installed on a cooling only units sized for the largest
electric heat available.
• STAINLESS STEEL HEAT EXCHANGER – For
applications in a corrosive environment, this option
provides a full stainless steel heat exchanger assembly.
• SMOKE DETECTOR – A smoke detector can be factory
mounted and wired in the supply and/or return air
compartments.

OTHER PRE-ENGINEERED ACCESSORIES AVAILABLE

• ROOF CURB - 14" and 8" high, full perimeter knockdown
curb, with hinged design for quick assembly.
14
• BAROMETRIC RELIEF DAMPER – (Unit mounted –
Downflow, Duct Mounted – Horizontal) – Contains a rain
hood, air inlet screen, exhaust damper and mounting
hardware. Used to relieve internal air pressure through
the unit during economizer operation.
• PROPANE CONVERSION KIT – Contains new orifices
and gas valve springs to convert from natural to L.P. gas.
• ECONOMIZER (Downflow and Horizontal flow)
• POWER EXHAUST – (Unit mount – Downflow, Duct
mount – Horizontal flow)
• DUAL ENTHALPY KIT - Provides a second input to
economizer to monitor return air.
Johnson Controls Unitary Products