Operation mode press the mode button to select the type of operating mode. Rooftop condensing system refrigerant e r22 r c s 06 e nominal capacity tons 06 6. Designed to address todays comfort demands and sustainability goals, from 1. Offered by kig in october 2019 is this nice 20 advantagetemptek 2 ton packaged air cooled chiller. Modular platform, multiple component options, and unlimited configurations for increased flexibility. The r421a units below use roughly the same pressure as r22 allowing you to keep your indoor units. Commercial building owners take note it is now possible to save a staggering 60 to 70 percent on hvac energy costs over traditional rooftop units. Mcquay 2 thru 5 ton packaged rooftop units mcquay offers a full line of light commercial rooftop units with. Mcquay rooftop package flat top design allow for maximum utilization of warehouse and container space. Mcquay condensing units model rcs 015d to 140d product data. Mcquay m4rt060ahr rooftop packaged unit 17 3 kw 56000. Extensive coil selections including cooling, heating and dx coils. We are looking for a mcquay hvac tech, no but we have one. With either two or three scroll compressors per refrigerant circuit, excellent part load performance is achieved.
Some of these, such as a bad txv or clogs in the refrigeration system are cited as the most common causes of. Onoff button press once to start the air conditioner. Daikins uayqc series rooftop packaged units have been developed to provide air conditioning solutions that are energy efficient, simple to use and reliable, ensuring full compliance with meps requirements. Unit 901905, 9f,elite centre, 22 hung to road, kwun tong, kowloon,hong kong. Manual dampers require less spaceno air pressure drop.
Daikin applied commerical and applied rooftop systems feature energyefficient, quiet operation that is ideal for new, retrofit, and replacement applications. Higher indoor air quality using ultraviolet lights, air purifier, stainless steel drain pan. From ac package units heat pump, gaselectric, geothermal, portable, wall mount, etc. Daikin rooftop packaged units offer more than 27 functional and control capabilities, including. Advanced filtration with hepa, gas phase, and low pressure filters. Rebel the most energy efficient packaged rooftop unit. Commercial split systems smart solutions for challenging conditions. Aircooled scroll compressor chillers75 to 190 tons. The connecting wires between the indoor unit and the outdoor unit must be clamped on the wire clamps. Mcquay 20 ton rooftop unit, 400,000 btu, natural gas fired, can be converted to propane, r22 refrigerant, 460 volt, 3 phase, set up for down discharge can be converted to side discharge, manufactured 2006, new never hooked up, this unit is charged and fully functional, includes hardware for installation, forklift onsite for loading.
System performance and reliability make mcquay commercial packaged rooftop systems the ideal solution for new, retrofit or replacement applications on one to threestory buildings. Used mcquay approximately 15 20 ton, 2000 to 6000 cfm. For a detailed description of the microtech ii components, inputoutput configurations, field wiring options and requirements, and service procedures, see im 696 3. For as long as ive been serving the particualr building the 2nd stage of above said unit. You will need to reclaim all the r22 in your current system and charge your system with the new r421a and keep your existing coil, air handler, line set, and other. Hitachis rooftop package units are a proven design that has been used in thousands of applications across the globe and installed and operated in.
Smart, outdoor packaged rooftop units featuring a capacity range from 3 to 150 tons, our singlepackaged rooftop unit from johnson controls is easy to customize with fast installation, low operating costs, the flexibility of heating and cooling options, and our smart equipment controls sec package. Im looking for a mcquay authorized service company in the, 42017. This manual is a guide to help assist with the operation of this ductless system. Roofpak singlezone roof mounted heating and cooling units. Daikin applied unit model number index unit model number index rev. The power supply cord must be equivalent to h07rnf 245iec57 which is the minimum requirement. Air cooled split system condensing unit for rooftop. I am having a problem with a 50 ton split system flooding. Contact your local johnstone supply for availability and order time.
When servicing your ductless system, your hvac contractor must use. Used lennox air cooled condensing unit, model lsa 09001g, serial number 5699f098, 460 volts 3 horse power 1999 7. New daikin mcquay rebel commercial rooftop systems. The 2, 2v2 and 3 ton units are available in the small cabinet series 53 and the 3, 4, 412 and 5 ton units are available in the large cabinet series 54 construction each cabinet is constructed from heavygauge. Hvac manufacturer, daikin mcquay, has become the first and only company to meet the department of energys doe rooftop unit rtu challenge with its rebel commercial rooftop system. With a 3150 ton capacity range and efficiency ratings as high as 17. Technical manual mcquay invertery single split series i. Daikin mcquay rebel is the first to meet doe rooftop unit. What are the causes of high head pressure at an air conditioner or heat pump compressor motor. Prior to 1974 the first three digits of the serial number indicate the date of manufacture where the first two digits indicate the year and the third is the month. Replace your old r22 unit with a new r421a unit and keep your indoor units. Save my name, email, and website in this browser for the next time i comment. Daikin, daikin mcquay and mcquay, and all types of hvac systems.
New commercial packaged rooftop systems, 3 to 50 tons, are ideal for one to threestory buildings, said the company. Building application ideal for any lowrise commercial buildings such as schools, retail, and dedicated outdoor air systems. Latest control technology these units have the latest control technology through utilization of mcquays new microtech ii microprocessor. Kig inc new and used air cooled chillers from carrier. The microtech ii applied rooftop unit controller is available on c vintage applied rooftop units. Hitachi units include a variety of additional features to assist in minimising noise. Im looking for the cooling capacity for a mcquay heat pump. Diagnose hvac compressor high head pressures at the air. At the time of this listing, we are just preparing it to go through refurb and test at our clinton ma shop, where it will be cleaned, checked and leak tested, and run for several days and monitored before being released. They combine the installation costs and interior space savings of a roofmounted system with the operating and maintenance efficiencies of central heating and cooling systems.
Combining quality manufactured mcquay equipment with advanced. Rah 077c, rds 800c, rds 802c, rah 047c, rah 077c, rds 800c, rds 802c. The department of energy announced the daikin mcquay rebel rooftop unit as the first entry to the does highefficiency commercial air conditioners challenge for a new generation of air conditioners designed to reduce energy use by as much as 50 to 60 percent. Browse our large selection of used ac products to see. Has a history of intermiitent high pressure tripping and it has to be reset. The agz units utilize r22 to meet the performance requirements of ashrae 90. Central control adapter kit and lcd remote controller is necessary for option.
Chiller package includes 2 copeland mnfg semihermetic compressors 35hp35hp, remote aircooled condenser not pictured, ships loose, shelltube heat exchanger and starter box with related electrical and. Johnstone supply carries a complete selection of mcquay residential oem parts that meet your warranty and service repair needs. Mcquay rooftop unit the maintenance guy says that it will only fire if he cover the inducer fan intake, anyone ever run into this, could it be a problem with the pilot tube. View and download mcquay rah 047c installation and maintenance manual online. The mcquay als aircooled chillers are equipped with mcquay singlerotor, liquidinjected, screw compressors, high efficiency lanced condenser fins, multi circuit dx evaporator and fuzzy logic microtech control theory to offer the utmost. Available in capacities from 3 to 50 tons, they combine the lower installation costs and interior space savings of a roofmounted system with the operating and.
Air cooled products mcquay airconditioning limited. Mcquays new range of rooftop packaged units has been developed specifically to suit commercial applications and are designed to be easy to install, requiring only ducting and associated fittings, power control wiring and drain piping. Now im going to get the obvious out of the way first off, coils are clean enough to eat off, all fans work and. Keep combustible materials at least 3 feet away from either the.
This article lists twelve causes of high head pressure and explains their causes, effects, and diagnosis. Mcquay cat 250 5 introduction maverick ii rooftop systems 30 50 ton r410a refrigerant no ozone depletion potential or phaseout date 10. All series are equipped with global remote controller pac204rc. How to diagnose high head pressures at the air conditioning or heat pump compressor. The global remote controller gives programmable weekly times, compressor antishort cycle timer 3. Johnstone supply carries over 17,000 oem and direct replacement parts to service your needs. Forget the r22 nightmare, forget the complicated blends.
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