Carrier 40KMC Product Data

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Carrier 40KMC Product Data Manual pdf 35 page image

35GUIDE SPECIFICATIONSIN--CEILING CASSETTEDUCT--FREE UNITSCarrier Model Number: 40KMC/40KMQSize Range: 1--1/2 to 3 Ton Nominal Cooling Capacity1--1/2 to 3 Ton Nominal Heating CapacityPART 1 -- GENERAL1.01 System DescriptionIndoor, in--ceiling mounted, direct--expansion fan coils are matchedwith cooling only or heat pump outdoor unit .1.02 Agency ListingsUnit shall be rated per ARI Standards 210/240 and listed in theARI directory as a matched system. Units shall be certified by ULand CSA.1.03 Delivery, Storage, And HandlingUnits shall be stored and handled per unit manufacturer’srecommendations.1.04 Warranty1--year parts limited warranty.PART 2 -- PRODUCTS2.01 EquipmentA. General:Indoor, direct--expansion, low profile (12 in./ 304.8 mm) in--ceilingfan coil. Unit shall be complete with cooling/heating (heat pumpsystems only) coil, fan, fan motor, piping connectors, condensatepump, and hanging brackets.B. Unit Cabinet:Cabinet shall be constructed of zinc--coated steel. Fully insulateddischarge and inlet grilles shall be attractively styled, high--impactpolystyrene.Grille shall have hinges and can be opened to obtain access to thecleanable filters, indoor fan motor and control box. Adjacent roomcooling as well as fresh air intake shall be provided by simpleknock--outs in a cabinet side panel.C. Fans:1. Fan shall be centrifugal direct--drive blower type with airintake in the center of the unit and discharge at theperimeter. Automatic, motor--driven vertical air sweep shallbe provided standard. Automatic motor--driven louversshall be provided standard and shall be adjustable for 2, 3 or4--way discharge.2. Air sweep operation shall be user selectable.D. Coil:Coil shall be copper tube with aluminum fins and galvanized steeltube sheets. Fins shall be bonded to the tubes by mechanicalexpansion and specially coated for enhanced wet--ability. A drippan under the coil shall have a factory installed condensate pumpand drain connection for hose attachment to remove condensate.E. Motors:Motors shall be open drip--proof, permanently lubricated ballbearing with inherent overload protection. Fan motors shall be3--speed.F. Controls:Controls shall consist of a microprocessor--based control systemwhich shall control space temperature, determine optimum fanspeed, and run self diagnostics. the temperature control range shallbe from 62_F to 84_F (16.67_C to 28.89_C).User interface with the unit shall be accomplished through anaccessory wireless remote control (can be configured for _F or _C),or an accessory wired controller or an accessory Zone Manager.User interface with unit shall be accomplished through either awireless remote control or a wired control or zone manager.The unit shall have the following functions as a minimum:1. An automatic restart after power failure at the sameoperating conditions as at failure.2. A timer function to provide a minimum 24--hour timercycle for system Auto Start/Stop.3. Temperature--sensing controls shall sense return airtemperature.4. Indoor coil freeze protection.5. Automatic air sweep control to provide on or off activationof air sweep louvers.6. Dehumidification mode shall provide increased latentremoval capability by modulating system operation and setpoint temperature.7. Fan--only operation to provide room air circulation when nocooling is required.8. Diagnostics shall provide continuous checks of unitoperation and warn of possible malfunctions. Errormessages shall be displayed at the unit.9. Fan speed control shall be user--selectable: high, medium,low, or microprocessor controlled automatic operationduring all operating modes.10. Automatic heating--to--cooling changeover in heat pumpmode. Control shall include deadband to prevent rapidmode cycling between heating and cooling.11. Indoor coil high temperature protection shall be provided todetect excessive indoor discharge temperature when unit isin heat pump mode.12. Cold blow prevention on heat pump units.13. Automatic compensation for air stratification on heat pumpunits.G. Filters:Unit shall have filter track with factory--supplied cleanable filters.H. Electric Heat40KMQ units shall have 3kw electric heaters factory installed tosupplement the heating capacity by heat pump when requiredI. Electrical Requirements:Indoor units shall be 208/230--1--60 and require their own powersupply. Units with electric heat shall be single power supply. Onlycontrol wiring shall run between the indoor and outdoor units.J. Operating Characteristics:The 40KMC/KMQ, when matched with the appropriate outdoorsection, shall have a minimum listed SEER (seasonal energyefficiency ratio) of 13 at ARI conditions, and a minimum HSPF of7.7.K. Special Features (Accessories):1. User Interface can be accomplished with:-- Wireless controller-- Wired control shall be capable of controlling one unit orup to six units daisy--chained together.-- Zone controllerThe zone control can provide the capability of connecting up to 32units into one or up to 8 independent zones. Each zone can beprogrammed for 7 days with each day having up to 4 periods.2. Power ventilation kit shall be available to allow up to 20%outside air to be provided.4QKMC, KMQ / 38HDF, QRF

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