York R-410A User Manual download pdf (Page 13)

528194-YTG-F-1210

Johnson Controls Unitary Products 13

• PHASE MONITOR - Designed to prevent damage in out-

of-phase condition.

• COIL GUARD - Designed to prevent condenser coil

damage.

• BAS CONTROLS - 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.

• 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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York R-410A User Manual Page 13