York CH060 Technical Manual

Also see for CH060: Installation instructions Technical guide

York CH060 Technical Manual Manual pdf 4 page image

271846-YTG-B-02084 Johnson Controls Unitary ProductsFACTORY INSTALLEDOVERSIZED EVAPORATOR FAN MOTORSIncreased horsepower motors and drive components areavailable for those applications where external static pres-sure requirements exceed the capability of the standardmotor.CORROSION RESISTANT COATINGSEvaporator coil shall receive a 1-mil thickness of a cathodicepoxy type electro-deposition coating, applied in a multipledip and bake process.STAINLESS STEEL DRAIN PANEvaporator coil (and optional Water Side Economizer coil)drain pan shall be fabricated 304 stainless steel material The3/4 in NPT drain connection fitting is also of 304 stainlesssteel.HOT GAS BYPASSAdjustable hot gas regulator and all necessary piping shall beinstalled on lead compressor circuit. Bypass capacity shall beminimum 50% of compressor capacity. The bypass valveopens at a preset suction pressure to prevent coil freeze-upat light evaporator load, or low airflow conditions. The use offactory installed Condenser Pressure Control option isstrongly recommended when Hot Gas Bypass is installed.ANTI-SHORT CYCLE TIMERTime delay relay will be provided for each compressor circuit.Compressor will be lock out for 5 minutes when thermostatcontacts open, or there is a momentary power outage.FIELD INSTALLEDWATER SIDE ECONOMIZERCommercial Water Cooled Air Conditioners can achieve sub-stantial operating cost reductions by utilizing the coolingeffect made available by low temperature water. The Water-side Economizer Kit consists of a field installed water coolingcoil, pre-assembled external piping sections, a three-waymotorized valve, and all necessary controls for unit operationfrom a conventional 24-Volt thermostat.HOT WATER & STEAM COILSHydronic heating coils shall mount on return air side of cool-ing coil.RETURN AIR GRILLAvailable on 5-15 ton CU models only. Recommended forapplications where return air is not ducted and air is drawndirectly from the conditioned space.DISCHARGE PLENUMPlenums mount on top of the evaporator section, with fansarranged for vertical discharge. Double deflection grills shallallow air discharge in multiple directions.OVERSIZED EVAPORATOR FAN MOTORSIncreased horsepower motors and drive components areavailable as a kit. Units are field upgradeable for applicationswhere external staic pressure requirements exceed the capa-bility of the standard motor.CONDENSER PRESSURE CONTROLWater regulating valves provide control of the quantity of con-denser water supplied to the unit by sensing the condensingtemperature. The field installed Condenser Control Optionprovides a regulating valve for each internal condenser watercircuit. Standard Water Regulating Valve carries a 150 psigworking pressure rating. The valve is installed inside of theunit cabinet.