York CU060 - 300 manual Factory Installed, Field Installed

271846-YTG-B-0208

FACTORY INSTALLED

OVERSIZED EVAPORATOR FAN MOTORS

Increased horsepower motors and drive components are available for those applications where external static pres- sure requirements exceed the capability of the standard motor.

CORROSION RESISTANT COATINGS

Evaporator coil shall receive a 1-mil thickness of a cathodic epoxy type electro-deposition coating, applied in a multiple dip and bake process.

STAINLESS STEEL DRAIN PAN

Evaporator coil (and optional Water Side Economizer coil) drain pan shall be fabricated 304 stainless steel material The 3/4 in NPT drain connection fitting is also of 304 stainless steel.

HOT GAS BYPASS

Adjustable hot gas regulator and all necessary piping shall be installed on lead compressor circuit. Bypass capacity shall be minimum 50% of compressor capacity. The bypass valve opens at a preset suction pressure to prevent coil freeze-up at light evaporator load, or low airflow conditions. The use of factory installed Condenser Pressure Control option is strongly recommended when Hot Gas Bypass is installed.

ANTI-SHORT CYCLE TIMER

Time delay relay will be provided for each compressor circuit. Compressor will be lock out for 5 minutes when thermostat contacts open, or there is a momentary power outage.

FIELD INSTALLED

WATER SIDE ECONOMIZER

Commercial Water Cooled Air Conditioners can achieve sub- stantial operating cost reductions by utilizing the cooling effect made available by low temperature water. The Water- side Economizer Kit consists of a field installed water cooling coil, pre-assembled external piping sections, a three-way motorized valve, and all necessary controls for unit operation from a conventional 24-Volt thermostat.

HOT WATER & STEAM COILS

Hydronic heating coils shall mount on return air side of cool- ing coil.

RETURN AIR GRILL

Available on 5-15 ton CU models only. Recommended for applications where return air is not ducted and air is drawn directly from the conditioned space.

DISCHARGE PLENUM

Plenums mount on top of the evaporator section, with fans arranged for vertical discharge. Double deflection grills shall allow air discharge in multiple directions.

OVERSIZED EVAPORATOR FAN MOTORS

Increased horsepower motors and drive components are available as a kit. Units are field upgradeable for applications where external staic pressure requirements exceed the capa- bility of the standard motor.

CONDENSER PRESSURE CONTROL

Water regulating valves provide control of the quantity of con- denser water supplied to the unit by sensing the condensing temperature. The field installed Condenser Control Option provides a regulating valve for each internal condenser water circuit. Standard Water Regulating Valve carries a 150 psig working pressure rating. The valve is installed inside of the unit cabinet.

4 Johnson Controls Unitary Products