WIXLIB

FACTORY OPTIONS AND/OR ACCESSORIES2 Speed VFD Drive MotorSmoke DetectorsThe 2 speed VFD drive motor system saves energy andinstallation time by utilizing a Variable Frequency Drive (VFD) toautomatically adjust the indoor fan motor speed in sequencewith the units cooling operation. Per ASHRAE 90.1 2010standard section 6.4.3.10.b, during the first stage of coolingoperation the VFD will adjust the fan motor to provide 2/3rd ofthe total cfm established for the unit. When a call for the secondstage of cooling is required, the VFD will allow the total cfm forthe unit established (100%). During the heating mode the VFDwill allow total design cfm (100%) operation and during theventilation mode the VFD will allow operation to 2/3rd of totalcfm.Compared to single speed indoor fan motor systems, 2 speedsystem can save substantial energy, 25% , versus single speedindoor fan motor systems.The VFD used in the system has soft start capabilities to slowlyramp up the speeds, thus eliminating any high in rush air volumeduring initial start up. It also has internal over current protectionfor the fan motor and a field installed display kit that allowsadjustment and in depth diagnostics of the VFD.This system is available on models with 2 stage coolingoperation with electro mechanical controls. Both space sensorand conventional thermostats/controls can be used to provideaccurate control in any application.The system is very flexible for initial fan performance set up andadjustment. The standard factory shipped VFD ispre programmed to automatically stage the fan speed betweenthe first and second stage of cooling. The unit fan performancestatic pressure and cfm can be easily adjusted using thetraditional means of pulley adjustments. The other means toadjust the unit static and cfm performance is to utilize the fieldinstalled Display Kit and adjust the frequency and voltage in theVFD to performance requirements. In either case, once set up,the VFD will automatically adjust the speed between the coolingstage operations.Smoke detectors immediately shut down the rooftop unit whensmoke is detected. Supply air smoke detectors are available,installed by the factory.Economizer (dry bulb or enthalpy)Economizers save money. They bring in fresh, outside air forventilation; and provide cool, outside air to cool your building.This is the preferred method of low ambient cooling. Whencoupled to CO2 sensors, economizers can provide even moresavings by coupling the ventilation air to only that amountrequired.Economizers are available, installed and tested by the factory (3phase only), with either enthalpy or dry bulb temperature inputs.There are also models for electromechanical as well as directdigital controllers. Additional sensors are available asaccessories to optimize the economizers.Economizers include gravity controlled, barometric reliefequalizes building pressure and ambient air pressures. This canbe a cast effective solution to prevent building pressurization.CO2 SensorImproves productivity and saves money by working with theeconomizer to intake only the correct amount of outside air forventilation. As occupants fill your building, the CO2 sensordetects their presence through increasing CO2 levels, and opensthe economizer appropriately.When the occupants leave, the CO2 levels decrease, and thesensor appropriately closes the economizer. This intelligentcontrol of the ventilation air, called Demand Control Ventilation(DCV) reduces the overall load on the rooftop, saving money.6Louvered Hail GuardsSleek, louvered panels protect the condenser coil from haildamage, foreign objects, and incidental contact.Convenience Outlet (un powered)Installed at the factory, this service feature provides aconvenient, 15 amp, 115v GFCI receptacle with “Wet in Use”cover. The “unpowered” option is to be powered from a separate115/120v power source.Non fused DisconnectThis OSHA compliant, factory installed, safety switch allows aservice technician to locally secure power to the rooftop.Power Exhaust with Barometric ReliefSuperior internal building pressure control. This field installedaccessory may eliminate the need for costly, external pressurecontrol fans.Time Guard II Control CircuitThis accessory protects your compressor by preventingshort cycling in the event of some other failure, prevents thecompressor from restarting for 30 seconds after stopping.Motorized 2 Position DamperThe 2 position, motorized outdoor air damper admits up to100% outside air. Using reliable, gear driven technology, the2 position damper opens to allow ventilation air and closeswhen the rooftop stops, stopping unwanted infiltration.Manual OA DamperManual outdoor air dampers are an economical way to bring inventilation air. The dampers are available in 25% and 50%versions.Hot Gas Reheat Adaptive Dehumidification SystemOur Hot Gas Reheat adaptive dehumidification system is anall inclusive factory installed option that can be ordered with anyHigh Static motor.This system expands the envelope of operation of our rooftopproducts to provide unprecedented flexibility to meet year roundcomfort conditions.The Hot Gas Reheat adaptive dehumidification system has theindustry’s only dual dehumidification mode setting. The systemincludes two new modes of operation.The rooftop unit coupled with the Hot Gas Reheat system iscapable of operating in normal design cooling mode, subcoolingmode, and hot gas reheat mode. Normal design cooling mode iswhen the unit will operate under its normal sequence ofoperation by cycling compressors to maintain comfortconditions.Subcooling mode will operate to satisfy part load type conditionswhen the space requires combined sensible and a higherproportion of latent load control. Hot Gas Reheat mode willoperate when outdoor temperatures diminish and the need forlatent capacity is required for sole humidity control. Hot GasReheat mode will provide neutral air for maximumdehumidification operation.Specifications subject to change without notice.509 21 3802 04

Hinged Access PanelsOptional Stainless Steel Heat ExchangerAllows access to unit’s major components with specificallydesigned hinged access panels. Panels are: filter, control box,fan motor and compressor.The stainless steel heat exchanger option provides the tubularheat exchanger be made out of a minimum 20 gauge type 409stainless steel for applications where the mixed air to the heatexchanger is expected to drop below 45 F (7 C). Stainless steelmay be specified on applications where the presence of airbornecontaminants require its use (applications such as paper mills)or in area with very high outdoor humidity that may result insevere condensation in the heat exchanger during coolingoperation.Motormaster Head Pressure ControllerThe Motormaster motor controller is a low ambient, headpressure controller kit that is designed to maintain the unit’scondenser head pressure during periods of low ambient coolingoperation. This device should be used as an alternative toeconomizer free cooling not when economizer usage is eithernot appropriate or desired. The Motormaster will either cycle theoutdoor fan motors or operate them at reduced speed tomaintain the unit operation, depending on the model.Winter Start KitThe winter start kit extends the low ambient limit of your rooftopto 25 F ( 4 C). The kit bypasses the low pressure switch,preventing nuisance tripping of the low pressure switch. Otherlow ambient precautions may still be prudent.Propane HeatingConvert gas heat rooftop from standard natural gas operation toPropane using this field installed kit.High Altitude HeatingHigh altitudes have less oxygen, which means heat exchangersneed less fuel. The new gas orifices in this field installed kitmake the necessary adjustment for high altitude applications.They restore the optimal fuel to air mixture and maintain healthycombustion at altitudes above 2000 ft (610m). Kits may not berequired in all areas.Flue Discharge Heat ShieldThe flue discharge heat shield keeps people from touching therooftop unit’s potentially hot flue discharge. This is especiallyuseful for ground level applications, where more, untrainedpeople could have access to the unit’s exterior.Alternate Motors and DrivesSome applications need larger horsepower motors, some needmore airflow, and some need both. A wide selection of motorsand pulleys (drives) are available, factory installed, to handlenearly any application.Thru the Base ConnectionsThru the base connections, available as an accessory, arenecessary to ensure proper connection and seal when routingwire and piping through the rooftop’s basepan and curb. Thesecouplings eliminate roof penetration and should be consideredfor gas lines, main power lines, as well as control power.Flue Discharge DeflectorThe flue discharge deflector is a useful accessory when flue gasrecirculation is a concern. By venting the flue dischargeupwards, the deflector minimizes the chance for a neighboringunit to intake the flue exhaust.509 21 3802 04Specifications subject to change without notice.7

ACCESSORIES RGH036 150ECONOMIZERSModel l Economizer IV with solid state controller, gear driven, fullymodulating damper, spring return actuator, up to 100% barometricrelief, supply and outdoor air sensors, and CO2 sensor compatible.Ultra Low Leak Vertical3 Economizer X with solid state W7220controller, gear driven, modulating damper, spring return actuator, upto 100% barometric relief, supply and outdoor air sensors, and CO2sensor compatible, for use in electro mechanical controls only.Ultra Low Leak Vertical3 Economizer X with solid state W7220controller, gear driven, modulating damper, spring return actuator, upto 100% barometric relief, supply and outdoor air sensors, and CO2sensor compatible, for use in electro mechanical controls only.DNECOMZR024A02Horizontal Economizer IV with solid state controller, gear driven, fullyDNECOMZR025A02modulating damper, spring return actuator, up to 100% barometricrelief, supply and outdoor air sensors, and CO2 sensor compatible.DNECOMZR064A001 Economizer X cannot be installed with Economizer IV, manual damper, or motorized damper.2 Can only be used on electrical mechanical units with 2 stage cooling and 2 speed fan control.3 Economizer X is currently only available on vertical air flow configuration models.Use With Model Size036 060072 120150090 120150036 060072 120150POWER EXHAUST *Model riptionVertical Power Exhaust 208/230 volt (1 or 3 Phase)Vertical Power Exhaust 460 voltVertical Power Exhaust 208/230 3 60 voltVertical Power Exhaust 460 voltVertical Power Exhaust 208/230 3 60 voltVertical Power Exhaust 460 voltHorizontal Power Exhaust 208/230 (1 or 3 Phase) & 575 voltHorizontal Power Exhaust 460 voltHorizontal Power Exhaust 208/230 & 575 voltHorizontal Power Exhaust 460 voltUse With Model Size036 060036 060072 120072 120150150036 120036 120150150* Vertical Power Exhaust requires a vertical economizer. Horizontal Power Exhaust should be duct mounted in the return duct.MANUAL OUTDOOR AIR DAMPERSModel MANDPR002A02CRMANDPR011A00Description25% Open Manual Fresh Air Damper50% Open Manual Fresh Air Damper25% Open Manual Fresh Air Damper50% Open Manual Fresh Air Damper50% Open Manual Fresh Air DamperUse With Model Size036 060036 060072 120072 120150MOTORIZED OUTDOOR AIR DAMPERSModel NumberDescriptionUse With Model SizeCRTWOPOS010A00036 060CRTWOPOS011A00Motorized 2 position outdoor air damper (25 100% Outdoor Air)072 120CRTWOPOS014A00150NOTE: Economizer IV, Economizer X, Manual Damper and 2 Position damper are all mutually exclusive and cannot be installedtogether.1. Manual dampers include hood assembly, bird screen, adjustable damper blade (to allow up to the rated outdoor air %), and bottompanel with opening.2. Motorized dampers include bottom panel with opening (100% two position damper includes 30% barometric relief capability), andadjustable damper (to allow up to the rated outdoor air %)3. Motorized dampers will close on loss of power to the rooftop unit.Manual and motorized dampers are not compatible with a vertical power exhaust module.8Specifications subject to change without notice.509 21 3802 04

ACCESSORIES RGH036 150 (cont.)LOW AMBIENT CONTROLS *Model NumberDescription32LT9003011Motormaster I 20 F ( 29 C) Low Ambient Control32LT9006111Motormaster I 20 F ( 29 C) Low Ambient ControlCPLOWAMB001A00Motormaster II 0 F ( 18 C) Low Ambient Control1178185 21178186 2Motormaster I Compatible Condenser Fan MotorMotormaster I Compatible Condenser Fan Motor1171974 2Motormaster I Compatible Condenser Fan Motor1171975 rmaster I Compatible Condenser Fan MotorMotormaster V Low Ambient Control Mechanical cooling operationdown to 20 F ( 29 C)Use With Model Size036 102, 208/230 1 60,208/203 3 60, 575 3 60048 102, 460 3 60036 150, 208/230 1,208/230 3, 460 3 60036, 208/230 3 60, 575 3 60036, 460 3 60048 102, 208/230 3 60,575 3 60048 102, 460 3 60120, 208/230 3 60120, 460 3 60120, 575 3 60Motormaster I Low Ambient Kit. Mechanical cooling operation down to 20 F ( 29 C). Kit includes 3 motors, MotorMaster controller, wiringCRLOWAMB039A00150, 208/230 3 60label, and required wire ties and connectors, DNWINSTR001A00 alsorequired (one per refrigerant circuit)Motormaster I Low Ambient Kit. Mechanical cooling operation down to 20 F ( 29 C). Kit includes 3 motors, MotorMaster controller, wiringCRLOWAMB040A00150, 460 3 60label, and required wire ties and connectors ) 575 Volt models alsorequire CRTRXKIT002A00 plus DNWINSTR001A00 also required(one per refrigerant circuit)Motormaster I Low Ambient Control Transformer Kit. Must be usedin conjunction with Low Ambient Controller if used on 575 3 60 voltCRTRXKIT001A00150, 575 3 60models.*See usage tables in kit instructions.1 Requires motor change out.2 Available from FAST Parts.Note: Sizes 036 060 requires (1) low ambient controller and (1) compatible condenser fan motor for change outSizes 072 102 requires (1) low ambient controller and (2) compatible condenser fan motors for change out3 No motor change is required on these specific models. Requires two DNWINSTR001A00 Winter Start kits (one per circuit).509 21 3802 04Specifications subject to change without notice.9

FLAT ROOF CURBSModel n14” High Roof Curb. Ductwork attaches to the roof curb. Includes thru the bottom capability.24” High Roof Curb. Ductwork attaches to the roof curb. Includes thru the bottom capability.Use With Model Size036 060072 120150036 060072 120150ACCESSORY KITS FOR UNITS WITH HINGED ACCESS PANELSModel PECONV004A00DescriptionHorizontal accessory kit. Required when field installing a two position damperor vertical economizer. Includes angle and seal strip.Vertical accessory kit. Required when field installing a two position damper orvertical economizer. Includes door panel, angle and seal stripUse With Model Size036 060072 120036 060072 120LOUVERED HAIL GUARDS CONDENSER COILModel LVHLGD016A00CRLVHLGD032A00DescriptionLouvered Condenser Coil Hail GuardLouvered Condenser Coil Hail GuardLouvered Condenser Coil Hail GuardLouvered Condenser Coil Hail GuardLouvered Condenser Coil Hail GuardUse With Model Size036048 060072090 120150DescriptionTransformer for conversion from 575v to 208/230v power exhaust applications.Use With Model Size036 150575V TRANSFORMERModel Number1171494 2SPECIAL 150 SIZE SPECIFIC ACCESSORIESModel nnect Switch Bracket Provides a pre engineered and sized mountingbracket for applications requiring a unit mounted fused and non fused diconnect of greater than 100 amps. Bracket assures that no damage will occur tocoils when mounting with screws and other fasteners.Supply Duct Cover This supply duct cover is required when field convertingthe factory standard vertical duct supply to horizontal duct supply configuration.One required per unit.Use With Model Size150150CONTROL UPGRADE KITSModel scription2 Speed VFD display kit provides the field capability to set up points andtroubleshooting codes on the VFD controller. Can be used for any associatedunit with VFD.Time Guard IIElectronic phase monitor breaks “R” control signal if trouble is detected.(Allowsoperation down to 25 F from standard 40 F.)CRPHASE3001A02Phase Monitor hase Monitor ControlFan/Filter Status SwitchRemote keyed attenuator / test / reset station10Specifications subject to change without notice.Use With Model SizeAll 2 Speed VFD Controllers036 150036 150All 208/230v, 460v(3 Ph only)All 575v036 150036 150509 21 3802 04

ACCESSORIES RGH036 150 (cont.)THROUGH THE BOTTOM/CURB POWER CONNECTIONModel 7A00DescriptionThru the bottom electrical connections and thru the curb gas connections.Includes a 3/4 inch diameter liquid tight conduit fitting for high voltagepower wiresThru the bottom electrical connections and thru the curb gas connections.Includes a 1 1/4 inch diameter liquid tight conduit fitting for high voltagepower wiresThru the bottom power, control, and gas connections. Includes a 3/4 inchdiameter liquid tight conduit fitting for high voltage power wiresThru the bottom power, control, and gas connections. Includes a1 1/4 inch diameter liquid tight conduit fitting for high voltage power wiresThru the bottom power, control, and gas connections

RGH Product Specifications HIGH EFFICIENCY PACKAGE GAS HEATING/ELECTRIC COOLING, R 410A SINGLE PACKAGE ROOFTOP 3 12.5 TONS (1 & 3 Phase) BUILT TO LAST, EASY TO INSTALL AND SERVICE One piece, high efficiency gas heating and electric cooling with a low profile, prewired, tested, and charged at the factory