Hail Guard; Dirty Filter Switch; E-Coat Evaporator And Condenser; Flue Exhaust Extension Kit - York ZT SERIES Technical Manual

5167821-YTG-K-1118

Hail guard

Field-installed option
This kit includes a sloped hood that is installed over the outside condenser coil and prevents damage to the coil fins from hail
strikes.

Dirty filter switch

Factory or field-installed option
This option/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.

E-Coat evaporator and condenser

Factory option
The evaporator and/or condenser coils are coated with an epoxy polymer coating to protect against corrosion.

Flue exhaust extension kit

Field-installed option
In locations with wind or weather conditions which may interfere with proper exhausting of furnace combustion products, this
kit can be installed to prevent the flue exhaust from entering nearby fresh air intakes.
Gas heat high altitude kit
Field-installed option
This kit converts a gas heat unit to operate at high altitudes from 2,000 to 6,000 feet. Conversion kits are available for natural
gas and propane.
Gas heat propane conversion kit
Field-installed option
This kit converts a gas-fired heater from natural gas to propane. It contains the main burner orifices and gas valve replacement
springs.
Gas piping kit
Field-installed option
Contains pipe nipples, fittings and gas cock required for gas supply connection with external shut off.
Roof curbs
Field-installed option
The roof curbs have insulated decks and are shipped disassembled. The roof curbs are available in 8-inch and 14-inch
heights. For applications with security concerns, burglar bars are available for the duct openings of the roof curbs.
Roof curb transition
Field-installed option
Single piece adapter (10-inch high) roof curbs for transitioning from Sunline™ units to Predator
Sunline™ roof curbs only.
Burglar bars
Field-installed option
Mount in the supply and return openings to prevent entry into the duct work.
Thermostat
Field-installed option
The units are designed to operate with 24- volt electronic and electro-mechanical thermostats. All ultra-high efficiency 3 to 5
ton units (with or without an economizer) operate with two-stage heat/two-stage cool or two-stage cooling only thermostats,
depending on the unit configuration. All 6.5 to 12.5 ton units (with or without an economizer) operate with two-stage heat/3+
stage cool or 3+ stage cooling only thermostats, depending on the configuration.
12
®
units. Fits 7.5 to 12.5
Johnson Controls Ducted Systems