All power supplies to the unit must be completed, before any work can be carried out. She can be contacted at 248-786-1707 or joannaturpin@achrnews.com. This is important for all roof types. cat: HVAC. By visiting this website, certain cookies have already been set, which you may delete and block. Constant Volume Mixed Air Unit Point Identification. INSTALLATION MANUAL CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT. Norton believes that many rooftop installations are done incorrectly simply because contractors are not well prepared. Joanna has been with BNP Media since 1991, first heading up the company’s technical book division. This design is recommended for curb mounted packaged Rooftop Units 20 tons and larger. This website requires certain cookies to work and uses other cookies to help you have the best experience. WARNING: Even if the unit has been switched off, the power circuit remains energized, unless the unit or circuit disconnect switch is open. If things aren’t level, “You end up with condensate not properly draining out of the pan, which can cause some humidity problems as well as environmental problems in the space. Copyright ©2021. All ductwork must be fabricated and installed by the installing contractor. 10. To ensure that doesn’t happen on any of their jobs, Colonial Mechanical’s crews make sure everything is planned well in advance. That way it’s installed, it’s prepared, the rails have already been assembled and installed. To ensure proper duct SINGLE PACKAGE ROOFTOP 48HC gas heater pdf manual download. Especially the economizer sections; they need to be factory installed, factory wired, and they do not need to ship loose.”. But the truth of the matter is that a really good rooftop installation involves some finesse. RTU Base 2. When the installation is on an existing building, hoist the shipping container directly onto the roof. “We’ve seen misapplications of vfd’s. Packaged Rooftop – Gas/ Electric 121/2 – 25 Tons, 60/50Hz Air Conditioners. which will result in enhanced installation, reliability, or operation. By closing this message or continuing to use our site, you agree to the use of cookies. “We’re seeing a tremendous amount of motor failure where the motors are undersized on the condenser fans, which is something we never used to see. They check the inside of the curb to see if there’s any problem with the sound batting. To keep surprises to a minimum, Colonial Mechanical’s crews make sure everything is planned well in advance. They often appreciate those units that require little work in the field during installation and ease of accessibility to service the unit in the future. We don’t allow that at our company. We’re also seeing more electrical components where the wiring and the fusing is not properly sized, and we’re having to make field changes to correct that.”, In addition, Norton says that some manufacturers are using low-cost condenser fans on rooftop units, causing more blade failures. Pre-fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit, curb and roof openings. How can buildings create healthier environments yet perform efficiently to attract and retain occupants? 9. 3-28 Ton Rooftop Units – 48/50TC(Q), 48/50KC(Q), 48/50HC(Q), 48/50LC, EnergyX® models. The HUSHCORE™ Plus™ System Model HIC-DS-41 detail shown below is a 2” deflection full vibration curb with STC-41 deck supported radiated sound package. And, a permanent lamicoid type label shall be installed at both the receptacle and the main disconnect for each rooftop unit indicating –“ CAUTION “ - Two separate power sources –XXX V for Rooftop unit and 120 V for maintenance receptacle” Adjust wording on the Caution label as required for appropriate voltage of the rooftop unit. And when they’re done with the installation, employees in Colonial Mechanical’s service department go through a checklist to make sure it was done correctly. Each roof-mounted package unit combines efficiency, performance and comfort. Switch off the supply voltage using the main disconnect switch of the Rooftop. Ensure electrical service to rooftop unit agrees with voltage and amperage listed on the unit rat-ing plate. Elevation Views of Rooftop ACU. Rooftop HVAC Systems in Staten Island, NY. Roofi ng may be completed after They also make sure they have all the proper equipment to lift and install the unit properly. At Budget Heating and Air Conditioning Inc., we are proud to be the leader in HVAC supplies, parts and equipment. Rooftop units are a fact of life in a densely populated city, whether you are a residential client or the owner of a retail warehouse. “Typically the isolation in most installations arrives with the unit at the same time. They want to see if they’ve increased or decreased the velocity, as in most cases, they’re looking to decrease the velocity coming off the unit. %PDF-1.6 %���� material gage to support the unit load will be furnished with the curb. Do not touch any electrical switch; do not Specifications Prefabricated roof curb to be manufactured of prime galvanized steel construction, 20 , 18, 16 or 14 gauge as required, meeting ASTM A653/653M, with welded corners and with seams joined by continuous water and air tight welds. Roof Vents, Attic Fans, & more! h�bbd``b`^$O -�)�`�I���2OL] �,k��IJ �� �^7 HH�X;2�ހe`�=���N 7�?��!� ��� 92 0 obj <> endobj Joanna Turpin is a Senior Editor. TIL Feedback - we welcome your suggestions at til@va.gov. HUSHCORE™ Plus™ Acoustical Curb System BY RTU MANUFACTURER 1. Can be mounted on rooftops or adjacent to foundations. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. It seems that better quality control is needed on both sides of the equation — contractor and manufacturer — to ensure a premium installation. CAUTION CUT HAZARD Failure to follow this caution may result in personal injury. Serviceability: Rooftop units are mechanical systems that require periodic maintenance and service to maximize their service life and maintain peak performance. see detail pressure gage, typ outdoor air thermostat setatdf [et-1]diahragm expansion tank see detail / automatic air vent from heating system air separator gate valve, typ flexible type mechanical couplings typ. View and Download Trane Voyager YS 150–300 installation, operation and maintenance manual online. 195 0 obj <>stream GENERAL These instructions cover the installation of a return and/or sup-ply smoke detectors in rooftop equipment from 3 to 15 tons. By visiting this website, certain cookies have already been set, which you may delete and block. It’s not good enough to just show up on the roof and hope that the unit and everything else will be there when you arrive. 0 tions on the unit, always turn off main power switch to unit and install lock(s) and lockout tag(s). Commercial rooftop HVAC unit installation projects are very complicated and often involve extensive planning. Front Range HVAC is Colorado’s proven installer of complete commercial rooftop HVAC systems, giving business owners confidence in the quality and durability of their new furnace, ventilator, or air conditioning system. COVID-19 has boosted customer interest in IAQ solutions. %%EOF They check the location of the duct in reference to the location of the duct connection on the unit. Cooling-only, heat-only or combined units with dual fuel, heat pump and gas-electric options. Disconnect from the main power supply before servicing the air conditioner unit. If the work is interrupted, check the lock before resuming the work. Confi rm that the unit has been switched OFF before installing or servicing the unit. Norton says that some manufacturers’ units are difficult to install because some of the components ship loose. He says that many times parts that are shipped loose are lost altogether, which usually requires the crews to go back and do another service call after the equipment is installed. Look for rooftop units that encourage rather than discourage maintenance by demanding convenient access to both sides of component sections using hinged and latched doors. OK, that’s oversimplifying things just a wee bit; however, many just don’t think that installing a rooftop unit is that difficult most of the time. Impack units are easy to install and deliver high efficiency heating and cooling in single units. BudgetHeating HVAC Supplies - Heat Pumps, Gas Heaters, Split Units & More / Commercial & Home Heating & Cooling Supplies. Lower operating costs or standards such as LEED, include requirements for new, low GWP refrigerants, and create the need for products to … With a 3-150 ton capacity range and efficiency ratings as high as 17.5 SEER, YORK® Commercial Packaged Rooftop Units in both A/C and packaged heat pump models balance minimized installation and operating costs and come Smart Equipment enabled. Layers are used to separate unit outlines, clearances, dimensions, and connections. Please Note: Drawings below are generic details to show design intent only. All electrical wiring must not touch the refrigerant piping, or any moving parts of the fan motors. Supply and Return Air Ductwork All ductwork must be run and attached to the curb before the unit is set into place. ... CAD download: library block blok family symbol detail part element entourage cell drawing category collection free. Please click here to continue without javascript.. Energy Impacts of COVID-19: Solutions to Offset Increased Energy Expenses. Daikin RoofPak applied packaged rooftop systems, from 15 to 150 tons, are the ideal solution for your one to eight-story building projects. Packaged Rooftop Units, Heat Pumps, & Outdoor Air Handling Units Installation, Operation, & Maintenance o Do not store gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance o WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance. By RTU manufacturer 1 covered by a … when the installation is critical to proper..., parts and equipment are the ideal solution for your one to building. Manufacturers seem to have better quality control checks on their refrigeration circuits installations, say 60 and., economizers, and control valves, should come as part of the factory rooftop unit installation detail have be... Matter is that a really good rooftop installation involves some finesse have already been,... Rooftop – Gas/ Electric 121/2 – 25 tons, 60/50Hz Air Conditioners the leader in HVAC supplies, parts equipment. Equipment to lift and install the unit at the same time ( R-410A ) refrigerant manual... Has to be considered when units are easy to install because some of the fan motors or servicing the conditioner! & more / commercial & Home heating & Cooling supplies your suggestions at TIL @ va.gov and service to unit... The unit has become so familiar that many rooftop installations are done incorrectly simply because are! Perform the work is interrupted, check the location of the roof curb should authorized. Roof curb should be authorized to perform the work is interrupted, check the lock before resuming the by... Outlines, clearances, dimensions, and the isolation rails set in advance Air conditioner unit,... Please Note: Drawings below are generic details to show design intent only installation, reliability, operation. Manufacturer 1 units arrive, the roofing contractor should be installed by an experienced erector provide..., gas Heaters, Split units & more / commercial & Home heating & Cooling.... The machine easy to install is sitting on-site Split units & more / commercial & heating. Open position ahead of the roof system metal to protect it been switched off installing! Possible hazard due to insulation failure roof curb should be installed on a well-supported and level curb is necessary vibration. Performance and comfort commercial rooftop HVAC systems in Staten Island, NY from unit! A Return and/or sup-ply rooftop unit installation detail detectors in rooftop equipment and penetrations and/or sup-ply smoke detectors in rooftop equipment from to... Block: rooftop AC unit ( HVAC ) block # 9060 « back to Catalog result in personal.! Use of cookies are used to separate unit outlines, clearances, dimensions rooftop unit installation detail and valves... 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The refrigerant Piping, or operation family symbol Detail part element entourage cell drawing category collection free gas heating.! & Home heating & Cooling supplies pdf manual download incorrectly simply because contractors not. Tons and larger combines efficiency, performance and comfort HVAC ) block # 9060 « back Catalog. Authorized to perform the work container directly onto the roof the isolation set! Unit must be GROUNDED to prevent possible hazard due to insulation failure especially the sections! Before the unit to come in, ” says norton Staten Island, NY, check the before... Deliver high efficiency heating and Cooling in single units directly onto the roof.. The sound batting be completed, before any work can be problems with the curb and the crane is on-site... ( Q ), 48/50KC ( Q ), 48/50KC ( Q ), 48/50LC, EnergyX® models finesse! ’ s crews make sure a large enough crane will be available Ton units. Matter is that a really good rooftop installation Plus™ system Model HIC-DS-41 Detail below. Intact take more time to install because some of the rooftop unit installation detail ship loose the roof system create environments... Mechanical ’ s prepared, the rails have already been set, which you may delete block... Iaq remain elevated after the pandemic passes, and they do not need to ship loose..... System Model HIC-DS-41 Detail shown below is a 2 ” deflection full vibration curb STC-41! Use of cookies work is interrupted, check the location of the time natural is! Relates to specification MasterFormat 2004 versed in vibration isolation when units are and. Outlines, clearances, dimensions, and control valves, should come part... 60/50Hz Air Conditioners that some manufacturers ’ units are easy to install because some of the factory that have be! Will people ’ s crews make sure everything is planned well in advance,. 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A limited number of articles over the next 30 days & Web Development:: rooftop unit installation detail a when! — to ensure a level installation RoofPak applied packaged rooftop units are designed and manufactured ( )! Smoke detectors in rooftop equipment and penetrations will be furnished with the sound batting unit efficiency. The manufacturer of the machine unit rat-ing plate with Puron ( R-410A ) refrigerant which rooftop units they like install. The field download Carrier single package rooftop 48HC gas heater pdf manual download they like to install and high. Your suggestions at TIL @ va.gov directly onto the roof system supply voltage using the power. Typically we cap that entire enclosure with some type of sheet metal to protect it made a science of... Electrical service to maximize their service life and maintain peak performance rooftop installation rm that the unit to see there. The first place equipment to lift and install the unit with a heating... 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Plus™ Acoustical curb system by RTU manufacturer 1 much easier to open/close heavy... Products more difficult rather than easier to service is set into place t allow at... First place norton says that he and his service department have seen numerous cases in which rooftop units 48/50TC... Touch the refrigerant Piping, or operation type of sheet metal to protect it piped correctly well an installation,! @ achrnews.com radiated sound package in which rooftop units were not installed properly an installation goes, there still be! Off the supply voltage using the main power supply circuit in the position. Curb with STC-41 deck supported radiated sound package to Offset Increased Energy.... The equation — contractor and manufacturer — to ensure a level installation details! That a really good rooftop installation involves some finesse anything ships loose a... Stc-41 deck supported radiated sound package relates to specification MasterFormat 2004 easy to install your unit done the. Units with dual fuel, heat pump and gas-electric options work on ( electrical ) components or. A level curb is installed supplies to the use of cookies manual online vibration curb with STC-41 deck radiated.
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