York Predator ZT037 Technical Manual page 13

optional indoor blower motors that provide higher static
output and/or higher airflow.
• CONVENIENCE OUTLET (POWERED/NON-POWERED)–
Unit can be provided with an optional 120VAC GFCI outlet
with cover on the corner of the unit housing the compressors.
• ELECTRIC HEAT - Electric Heaters range from 3kW to
24kW and are available in all the voltage options of the
base unit.
• PHASE MONITOR - Designed to prevent damage in out-
of-phase condition.
• COIL GUARD - Designed to prevent condenser coil
damage.
• BAS CONTROLS HARDWARE - Include supply air
sensor, return air sensor, dirty filter indicator and air
proving switch.
• DIRTY FILTER SWITCH – This kit includes a differential
pressure switch that energizes the fault light on the unit
thermostat, indicating that there is an abnormally high-
pressure drop across the filters.
• 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.
Johnson Controls Ducted Systems
• 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.
• 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.
• -60ºF GAS HEAT KIT – Provides an electric heat kit for
the gas compartment for use in extreme low ambient
conditions.
• 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.
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