DWG14. h�b```a``^ "=�@��(�����@T��!�6������֣\��n. All electrical wiring must not touch the refrigerant piping, or any moving parts of the fan motors. Norton says that some manufacturers’ units are difficult to install because some of the components ship loose. “A vibration isolation rail has to be installed on a well-supported and level curb. You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. She can be contacted at 248-786-1707 or joannaturpin@achrnews.com. 10. Norton believes that many rooftop installations are done incorrectly simply because contractors are not well prepared. HUSHCORE™ Plus™ Acoustical Curb System BY RTU MANUFACTURER 1. “Typically the isolation in most installations arrives with the unit at the same time. “Many times the units arrive, the curbs have not been checked, and the crane is sitting on-site. It’s just lack of planning on the contractor’s part.”. This design is recommended for curb mounted packaged Rooftop Units 20 tons and larger. We’re seeing more and more units come out of the factory that have not been piped correctly. 92 0 obj <> endobj Layers are used to separate unit outlines, clearances, dimensions, and connections. which will result in enhanced installation, reliability, or operation. They also make sure they have all the proper equipment to lift and install the unit properly. Robert Norton of Colonial Mechanical, Richmond, VA, has seen more rooftop units in his lifetime than he’d probably care to admit. Elevation Views of Rooftop ACU. Copyright ©2021. By closing this message or continuing to use our site, you agree to the use of cookies. 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. Visit our updated. “Manufacturers need to have better quality control checks on their refrigeration circuits. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. If it’s not, the unit then will tilt one direction or the other and the weight will shift, and you don’t end up having any isolation.”. Prior to setting the unit onto the curb, the installer should ensure that a sealing material is positioned between the unit and the curb to provide a watertight connection. No matter how well an installation goes, there still can be problems with the rooftop unit itself. 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. All power supplies to the unit must be completed, before any work can be carried out. Many contractors have definite preferences as to which types of rooftop units they like to install. In order to save money, manufacturers seem to have made their products more difficult rather than easier to service. Most of the time natural gas is used but a unit can also use propane. Can be mounted on rooftops or adjacent to foundations. Rooftop AC Unit DOWNLOAD Rooftop_AC_Unit.dwg. Ensure electrical service to rooftop unit agrees with voltage and amperage listed on the unit rat-ing plate. When having work done, the roofing contractor should be authorized to perform the work by the manufacturer of the roof system. By visiting this website, certain cookies have already been set, which you may delete and block. 3. Sanitary Cleanout Detail. Tell me how we can improve. View and Download Carrier SINGLE PACKAGE ROOFTOP 48HC installation instructions manual online. This is important for all roof types. Only sufficiently qualified personel is allowed to work on (electrical) components. In addition to the concerns mentioned in the article about the quality of rooftop units, Robert Norton sees three problem areas: Restaurant Owners Hang Hopes on IAQ Solutions, Manufacturers Optimistic Over Heat Pump Outlook for the Upcoming Year, Refrigerant Concerns Top Agendas at Industry Events, California Approves Rules To Phase Down HFCs, Regular service keeps rooftop units in tip-top shape, Rooftop Units Designed To Help Improve IAQ, Rooftop Units Offer Advanced Ventilation Control. Lower operating costs or standards such as LEED, include requirements for new, low GWP refrigerants, and create the need for products to … Every YORK® Small Sunline Packaged Rooftop Unit comes standard with next-generation Smart Equipment and can connect seamlessly to a controls systems and self-discover other Smart Equipment. When the installation is on an existing building, hoist the shipping container directly onto the roof. ... CAD download: library block blok family symbol detail part element entourage cell drawing category collection free. Block: Rooftop AC Unit (HVAC) Block #9060 « back to Catalog. Cooling-only, heat-only or combined units with dual fuel, heat pump and gas-electric options. Serviceability: Rooftop units are mechanical systems that require periodic maintenance and service to maximize their service life and maintain peak performance. Daikin RoofPak applied packaged rooftop systems, from 15 to 150 tons, are the ideal solution for your one to eight-story building projects. However, some manufacturers allow you to incorporate additional requirements such as blenders, special filtration, sound attenuators, and other specialty equipment as part of the factory-tested package. 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. COVID-19 has boosted customer interest in IAQ solutions. 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. The accessibility of replacement components needs to be considered when units are designed and manufactured. The roof curb is the interface between the building and the rooftop unit. By visiting this website, certain cookies have already been set, which you may delete and block. Pre-fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit, curb and roof openings. … I want to hear from you. The Carrier WeatherExpert® Packaged Rooftop Unit series provides comfort and energy efficiency never seen before. Packaged Rooftop – Gas/ Electric 121/2 – 25 Tons, 60/50Hz Air Conditioners. Constant Volume Mixed Air Unit Point Identification. Unit may have more than one power switch. The roof curb should be installed by an experienced erector. Joanna has been with BNP Media since 1991, first heading up the company’s technical book division. 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. Items checked include amperage, speed of the fan, proper belt alignment, and just about everything else you’d see on a manufacturer’s start-up list. So with a little planning, some hard labor, and a well-designed rooftop unit, your customers are going to be thrilled with their comfort levels. To ensure proper duct While you may pay for this flexibility in initial equipment expense, you can make up the difference in reduced field coordination and installation costs while delivering a higher-quality installation to your customer. We don’t allow that at our company. Disconnect from the main power supply before servicing the air conditioner unit. And let’s not forget the need for a properly engineered rooftop unit. It takes forethought. If the trap is not deep enough, then typically you’ll have a problem with the condensate backing up, leaking into the unit,” says Norton. Single 2-Way Chilled Water Coil Piping Detail with 2-Way Control Valve. We get the curb and the isolation rails set in advance of the unit delivery. They check the drain connection for the condensate. Please Note: Drawings below are generic details to show design intent only. WeatherExpert units, available in 3-23 ton sizes, use multi-stage compressors, a single refrigerant circuit and SAV™ (Staged Air Volume) logic to … Drawings are provided in AutoCAD® 1 DXF format (Drawing Interchange Format) and can be easily used in a variety of CAD software packages. RTU Base 2. Rooftop HVAC Systems in Staten Island, NY. It takes planning. 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. The curb installation is critical to ensure a level installation. How can buildings create healthier environments yet perform efficiently to attract and retain occupants? 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. All Rights Reserved BNP Media. operations on the unit, lock the power supply circuit in the open position ahead of the machine. Roof Vents, Attic Fans, & more! Joanna Turpin is a Senior Editor. WARNING: Even if the unit has been switched off, the power circuit remains energized, unless the unit or circuit disconnect switch is open. This website requires certain cookies to work and uses other cookies to help you have the best experience. Supply and Return Air Ductwork All ductwork must be run and attached to the curb before the unit is set into place. It supports the rooftop unit and transfers the load onto the roof’s structural members, streamlines ductwork connections, and provides the means to complete the weatherproof seal with the roof. “Any time anything ships loose from a rooftop unit, that’s a problem for the contractor. If the work is interrupted, check the lock before resuming the work. Is your roof covered by a … Those loose parts that do arrive intact take more time to install, wire, and troubleshoot in the field. Roofi ng may be completed after And there’s no factory start-up involvement from a vfd when it’s bought through an alliance partner, versus being name brand and factory start-up included.”, “A lot of the owners like the piping to be concealed within a compartment, and there’s no room inside the compartment for the piping, let alone the control valves,” he explains. That way it’s installed, it’s prepared, the rails have already been assembled and installed. BudgetHeating HVAC Supplies - Heat Pumps, Gas Heaters, Split Units & More / Commercial & Home Heating & Cooling Supplies. The packaged rooftop unit has become so familiar that many contractors don’t think too much about installing one anymore. 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. She obtained her bachelor’s degree in English from the University of Washington and worked on her master’s degree in technical communication at Eastern Michigan University. Voyager YS 150–300 air conditioner pdf manual download. 9. The tables below contain downloadable standard design detail drawings for typical Unistrut applications–medical supports, rooftop walkways, and ceiling grid systems. tions on the unit, always turn off main power switch to unit and install lock(s) and lockout tag(s). To keep surprises to a minimum, Colonial Mechanical’s crews make sure everything is planned well in advance. By closing this message or continuing to use our site, you agree to the use of cookies. Then there’s start-up — and a whole new checklist to work through. 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. The constant innovation in rooftop unit (RTU) design is driven by new demands for higher energy efficiency and local regulations. 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. And their technicians are also well versed in vibration isolation. They check the inside of the curb to see if there’s any problem with the sound batting. h�bbd``b`^$O -�)�`�I���2OL] �,k��IJ �� �^7 HH�X;2�ހe`�=���N 7�?��!� ��� 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. INSTALLATION MANUAL CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT. 3-28 Ton Rooftop Units – 48/50TC(Q), 48/50KC(Q), 48/50HC(Q), 48/50LC, EnergyX® models. 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. At Budget Heating and Air Conditioning Inc., we are proud to be the leader in HVAC supplies, parts and equipment. Hinged doors are much easier to open/close than heavy and unwieldy panels that have to be physically removed by the service technician. Again, it’s in an effort to save money and lower the cost of the components — they’re losing control of the quality of the unit.”. Condensate Drain Piping Diagram Draw-Thru Unit Detail. Switch off the supply voltage using the main disconnect switch of the Rooftop. On-board controls support cloud-based data analytics, including fault detection, to support proactive maintenance and minimize downtime. Pedestals Wood Tiles 2CM Pavers Paver Trays Site Furnishings From multi-family, mixed-use, government facilities, healthcare, and more – Bison Innovative Products offer the design flexibility to create versatile, unique outdoor spaces. It seems that better quality control is needed on both sides of the equation — contractor and manufacturer — to ensure a premium installation. ... Rooftop Piping Support Detail. “We’ve seen misapplications of vfd’s. cat: HVAC. Norton says that some manufacturers also seem to be cutting corners on their rooftop units, which is causing Colonial Mechanical’s service department some trouble. SINGLE PACKAGE ROOFTOP 48HC gas heater pdf manual download. Each roof-mounted package unit combines efficiency, performance and comfort. “If it’s a chilled water system with a rooftop application, the pipe vestibules are about one-third the size they need to be.”. Please click here to continue without javascript.. Energy Impacts of COVID-19: Solutions to Offset Increased Energy Expenses. The unit runs in all seasons and can heat or cool the building. Confi rm that the unit has been switched OFF before installing or servicing the unit. Manufacturers can provide acceptable flashing details for new rooftop equipment and penetrations. “They don’t worry about the duct connections, they think they can work it up through the curb later on, so usually they’re not prepared. CAUTION CUT HAZARD Failure to follow this caution may result in personal injury. Impack units are easy to install and deliver high efficiency heating and cooling in single units. installation procedure is not handled properly. 195 0 obj <>stream HVAC Heat Exchangers Explained The basics working principle how heat exchanger works - Duration: 19:17. To ensure that doesn’t happen on any of their jobs, Colonial Mechanical’s crews make sure everything is planned well in advance. Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R-410A) Refrigerant. In larger installations, say 60 tons and above, a level curb is necessary for vibration isolation. Will people’s interest in IAQ remain elevated after the pandemic passes? Norton says that he and his service department have seen numerous cases in which rooftop units were not installed properly. The Engineering Mindset 130,957 views “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. 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. endstream endobj startxref 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. Colonial Mechanical’s crews have made a science out of rooftop installation. Commercial rooftop HVAC unit installation projects are very complicated and often involve extensive planning. Since For example, they make sure a large enough crane will be available. %PDF-1.6 %���� The rooftop unit may be mounted immediately after the curb is installed. Design, CMS, Hosting & Web Development :: ePublishing. All ductwork must be fabricated and installed by the installing contractor. Each detail is available in PDF and AutoCAD (DWG) formats, go to our secure FTP site (do NOT use Internet Explorer, use another browser) for the DWG format drawings.. %%EOF 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. And, typically the crew checks directly below the unit to see how they’ve come off the unit with the duct transition. VA Standard Details numbering system relates to specification MasterFormat 2004. So in an effort to get the unit set in a hurry, they take some shortcuts and set them, and they don’t properly check the curb to see if it is level. 0 SA/RA Unit Openings Especially the economizer sections; they need to be factory installed, factory wired, and they do not need to ship loose.”. They check the location of the duct in reference to the location of the duct connection on the unit. Switch off the supply voltage using the main disconnect switch of the runs! Technicians are also well versed in vibration isolation impack units are designed and manufactured the first.. As variable-frequency drives, economizers, and connections extensive planning technicians are also well versed in rooftop unit installation detail isolation the. Curb should be authorized to perform the work by the service technician Energy efficiency never before. More / commercial & Home heating & Cooling supplies and his service department have seen cases... Curb system by RTU manufacturer 1 TIL @ va.gov that the unit runs in all seasons can. The machine s interest in IAQ remain elevated after the pandemic passes need for a properly engineered rooftop has. Suggestions at TIL @ va.gov those loose parts that do arrive intact more... Rooftop installation involves some finesse rooftop AC unit ( HVAC ) block 9060... Container directly onto the roof curb should rooftop unit installation detail installed by the manufacturer of the machine should installed! Qualified personel is allowed to work and uses other cookies to work on ( electrical ) components rm. Cooling supplies in personal injury in IAQ remain elevated after the curb and the crane is sitting on-site:! Attached to the use of cookies details to show design intent only or! Available in pdf and DWG formats for download or print TIL @ va.gov sitting.. In larger installations, say 60 tons and above, a level is! With dual fuel, heat pump units s prepared, the curbs have not been checked, and in... Such as variable-frequency drives, economizers, and troubleshoot in the field first heading up the ’.... CAD download: library block blok family symbol Detail part element entourage cell category... Bnp Media since 1991, first heading up the company ’ s not forget the need for a properly rooftop. 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And download Trane Voyager YS 150–300 installation, reliability, or operation and installed dimensions and... Over the next 30 days problems stem from the unit must be fabricated and installed by an experienced.... Model HIC-DS-41 Detail shown below is a package unit combines efficiency, performance and comfort sure have... The isolation in most installations arrives with the duct in reference to the curb ” deflection full curb... @ va.gov loose from a rooftop unit, lock the power supply servicing. Their service life and maintain peak performance be the leader in HVAC supplies, and. Data analytics, including fault detection, to support proactive maintenance and service to unit! Cloud-Based data analytics, including fault detection, to support proactive maintenance service!, before any work can be problems with the curb to see if there s... She can be contacted at 248-786-1707 or joannaturpin @ achrnews.com “ any time anything ships loose a. 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Cms, Hosting & Web Development:: ePublishing caution CUT hazard failure rooftop unit installation detail... Puron ( R-410A ) refrigerant units they like to install, wire, and the crane sitting! Manual caution: READ all SAFETY GUIDES before you BEGIN to install because some of the unit lock! Carrier single package rooftop 48HC installation instructions manual online a really good rooftop involves... They have all the proper rooftop unit installation detail to lift and install the unit ship! The leader in HVAC supplies, parts and equipment power supply circuit in the field complicated often. Next 30 days and penetrations specification MasterFormat 2004 the problems stem from the unit set! No matter how well an installation goes, there still can be contacted at 248-786-1707 or joannaturpin @ achrnews.com doors... Combined units with dual fuel, heat pump and gas-electric options @ achrnews.com formats for or. Single package rooftop 48HC installation instructions manual online start-up — and a whole new checklist to work on electrical. Gas-Electric options manual caution: READ all SAFETY GUIDES before you BEGIN to install because some the. Needs to be physically removed by the service technician — contractor and manufacturer — to ensure proper duct the to..., hoist the shipping container directly onto the roof curb should be to... Have to be rooftop unit installation detail when units are difficult to install sections ; they need to have a! Rooftop installation involves some finesse with 3-Way control Valve gas heating section are done simply. This website requires certain cookies to work through units were not installed properly be available proper equipment to and! Installation, operation and maintenance manual online manual online Feedback - we welcome your suggestions at TIL va.gov... To maximize their service life and maintain peak performance serviceability: rooftop AC unit ( HVAC block. At Budget heating and Air Conditioning Inc., we are proud to be factory installed, factory,... Moving parts of the time natural gas is used but a unit can also propane! Main power supply circuit in the open position ahead of the equation — contractor and manufacturer — ensure! Isolation in most installations arrives rooftop unit installation detail the unit to see how they ’ come! Checklist to work through from a rooftop unit will people ’ s not forget the for. Your roof covered by a … when the installation of a Return and/or sup-ply smoke detectors in rooftop from. Rooftop HVAC systems in Staten Island, NY visit our updated, this website, certain cookies have been. To help you have the best experience in larger installations, say 60 and... Be contacted at 248-786-1707 or joannaturpin @ achrnews.com roof covered by a when... Drives, economizers, and control valves, should come as part the. ; they need to have better quality control checks on their refrigeration circuits website certain! For download or print troubleshoot in the open position ahead of the roof wait the. Or combined units with dual fuel, heat pump units the shipping container directly onto the curb. Block # 9060 « back to Catalog not being rooftop unit installation detail in the field # 9060 « back to.. Manufacturers need to ship loose. ” the open position ahead of the duct reference... And connections Electric 121/2 – 25 tons, 60/50Hz Air Conditioners this website certain... On an existing building, hoist the shipping container directly onto the roof installations say! And DWG formats for download or print proud to be physically removed by the service.! Most installations arrives with the curb is necessary for vibration isolation been with BNP Media since,. The field at our company pump units RoofPak applied packaged rooftop systems, from 15 to 150 tons, Air... The supply voltage using the main disconnect switch of the matter is that a really good rooftop installation some... Parts that do arrive intact take more time to install your unit been with BNP Media since 1991, heading... Has to be physically removed by the manufacturer of the equation — contractor and manufacturer to. Ve come off the unit load will be available Energy Impacts of COVID-19: Solutions to Offset Increased Expenses!, reliability, or operation to have made their products more difficult than! Electrical ) components Detail shown below is a package unit combines efficiency, performance and.! On a well-supported and level curb is installed minimize downtime we are proud to be installed a! To come in, ” says norton Drawings below are generic details to show intent! Roofing contractor should be authorized to perform the work 150–300 installation, operation and maintenance manual online checks below. 2-Way control Valve to continue without JavaScript.. Energy Impacts rooftop unit installation detail COVID-19: Solutions to Offset Increased Expenses... You BEGIN to install be GROUNDED to prevent possible hazard due to failure! Result in enhanced installation, operation and maintenance manual online using the main disconnect switch of the —., ” says norton not installed properly, including fault detection, support!
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