She can be contacted at 248-786-1707 or joannaturpin@achrnews.com. 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. 110 0 obj <>/Filter/FlateDecode/ID[<3485B043B22EA00182FB71DAA6BC3F73><17D9DC07C64C874EB518F3C8C15DB0B3>]/Index[92 104]/Info 91 0 R/Length 94/Prev 549717/Root 93 0 R/Size 196/Type/XRef/W[1 2 1]>>stream 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. When having work done, the roofing contractor should be authorized to perform the work by the manufacturer of the roof system. That way it’s installed, it’s prepared, the rails have already been assembled and installed. Prodigy® 2.0 (M3 Unit Controller) GP3 Control (Repair Part) (13J79) Prodigy® 2.0 (M3 Unit Controller) GP3 Control Field Installation Kit (13J78) Prodigy® 2.0 (M3 Unit Controller) Replacement Cover (10X86) Prodigy® 2.0 (M3 Unit Controller) Setup Guide for Compatible Rooftop Units; Prodigy® (M2 Unit Controller) Firmware Update Is your roof covered by a … The unit runs in all seasons and can heat or cool the building. Supply and Return Air Ductwork All ductwork must be run and attached to the curb before the unit is set into place. “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. Visit our updated. Please click here to continue without javascript.. Energy Impacts of COVID-19: Solutions to Offset Increased Energy Expenses. … The Carrier WeatherExpert® Packaged Rooftop Unit series provides comfort and energy efficiency never seen before. Available in PDF and DWG formats for download or print. Will people’s interest in IAQ remain elevated after the pandemic passes? “If it’s a chilled water system with a rooftop application, the pipe vestibules are about one-third the size they need to be.”. 9. 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. 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. Roofi ng may be completed after If they’ve done it once, they’ve done it a hundred times, and they know the general game plan: Cut a hole in the roof, put in a curb, put down the unit, hook up the ductwork, and you’re good to go. Many times the problems stem from the unit not being leveled in the first place. Lower operating costs or standards such as LEED, include requirements for new, low GWP refrigerants, and create the need for products to … 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. Manufacturers can provide acceptable flashing details for new rooftop equipment and penetrations. And, typically the crew checks directly below the unit to see how they’ve come off the unit with the duct transition. 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. They check the inside of the curb to see if there’s any problem with the sound batting. Especially the economizer sections; they need to be factory installed, factory wired, and they do not need to ship loose.”. Then we wait for the unit to come in,” says Norton. By visiting this website, certain cookies have already been set, which you may delete and block. And their technicians are also well versed in vibration isolation. 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. 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. 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. Rooftop AC Unit DOWNLOAD Rooftop_AC_Unit.dwg. %%EOF Since Cooling-only, heat-only or combined units with dual fuel, heat pump and gas-electric options. If the work is interrupted, check the lock before resuming the work. 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. INSTALLATION MANUAL CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INSTALL YOUR UNIT. Then there’s start-up — and a whole new checklist to work through. TIL Feedback - we welcome your suggestions at til@va.gov. But the truth of the matter is that a really good rooftop installation involves some finesse. COVID-19 has boosted customer interest in IAQ solutions. By visiting this website, certain cookies have already been set, which you may delete and block. 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. 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. The packaged rooftop unit has become so familiar that many contractors don’t think too much about installing one anymore. ... CAD download: library block blok family symbol detail part element entourage cell drawing category collection free. Everyday needs, such as variable-frequency drives, economizers, and control valves, should come as part of the factory-tested package. 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. How can buildings create healthier environments yet perform efficiently to attract and retain occupants? Active Ventilation - Click to view drawings for all of our products. Impack units are easy to install and deliver high efficiency heating and cooling in single units. Disconnect from the main power supply before servicing the air conditioner unit. 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. Can be mounted on rooftops or adjacent to foundations. Most of the time natural gas is used but a unit can also use propane. A Year-round rooftop unit is a package unit with a gas heating section. 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. which will result in enhanced installation, reliability, or operation. The roof curb is the interface between the building and the rooftop unit. The Engineering Mindset 130,957 views You must have JavaScript enabled to enjoy a limited number of articles over the next 30 days. Robert Norton of Colonial Mechanical, Richmond, VA, has seen more rooftop units in his lifetime than he’d probably care to admit. Serviceability: Rooftop units are mechanical systems that require periodic maintenance and service to maximize their service life and maintain peak performance. endstream endobj startxref Rooftop Unit Drawings. Design, CMS, Hosting & Web Development :: ePublishing. material gage to support the unit load will be furnished with the curb. 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. Confi rm that the unit has been switched OFF before installing or servicing the unit. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. Pre-fabricated fully assembled roof curbs will reduce installation time and costs by ensuring compatibility between the rooftop unit, curb and roof openings. “Manufacturers need to have better quality control checks on their refrigeration circuits. Rooftop HVAC Systems in Staten Island, NY. 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. Drawings are provided in AutoCAD® 1 DXF format (Drawing Interchange Format) and can be easily used in a variety of CAD software packages. The rooftop unit may be mounted immediately after the curb is installed. “As far as the overall value to the customer, we feel like if they would look at the serviceability of the unit, it would save the end user customer money over the long haul.”, “Right now I think they leave that up to their representatives versus the factory,” Norton says. We don’t allow that at our company. They check the drain connection for the condensate. All ductwork must be fabricated and installed by the installing contractor. DWG14. Pre-engineered design flexibility: The more the design requirements for a project can be incorporated into the unit at the factory, the less field work you will face. ... Rooftop Piping Support Detail. View and Download Trane Voyager YS 150–300 installation, operation and maintenance manual online. 92 0 obj <> endobj Daikin RoofPak applied packaged rooftop systems, from 15 to 150 tons, are the ideal solution for your one to eight-story building projects. “Typically the isolation in most installations arrives with the unit at the same time. Single Package Rooftop Gas Heating/Electric Cooling Unit with Puron (R-410A) Refrigerant. Elevation Views of Rooftop ACU. HUSHCORE™ Plus™ Acoustical Curb System BY RTU MANUFACTURER 1. Many contractors have definite preferences as to which types of rooftop units they like to install. By closing this message or continuing to use our site, you agree to the use of cookies. WARNING: Even if the unit has been switched off, the power circuit remains energized, unless the unit or circuit disconnect switch is open. 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.”. SAVE THIS MANUAL JOHNSON CONTROLS SERIES 40 ROOFTOP 25, 30 & 40 TON 5276177-JIM-D-0118 MODELS: V2 V3 V4 These apply to Gas-Electric, Electric-Electric and Heat Pump units. %PDF-1.6 %���� The tables below contain downloadable standard design detail drawings for typical Unistrut applications–medical supports, rooftop walkways, and ceiling grid systems. When the installation is on an existing building, hoist the shipping container directly onto the roof. It seems that better quality control is needed on both sides of the equation — contractor and manufacturer — to ensure a premium installation. tions on the unit, always turn off main power switch to unit and install lock(s) and lockout tag(s). All electrical wiring must not touch the refrigerant piping, or any moving parts of the fan motors. cat: HVAC. SINGLE PACKAGE ROOFTOP 48HC gas heater pdf manual download. 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. Only sufficiently qualified personel is allowed to work on (electrical) components. 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. This website requires certain cookies to work and uses other cookies to help you have the best experience. The unit must be GROUNDED to prevent possible hazard due to insulation failure. Serviceability: Rooftop units are mechanical systems that require periodic maintenance and service to maximize their service life and maintain peak performance. 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.. 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. On-board controls support cloud-based data analytics, including fault detection, to support proactive maintenance and minimize downtime. 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. Norton says that some manufacturers’ units are difficult to install because some of the components ship loose. WeatherExpert units, available in 3-23 ton sizes, use multi-stage compressors, a single refrigerant circuit and SAV™ (Staged Air Volume) logic to … HVAC Heat Exchangers Explained The basics working principle how heat exchanger works - Duration: 19:17. 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. It takes planning. h�b```a``^ "=�@��(�����@T��!�6������֣\��n. SA/RA Unit Openings “We’ve seen misapplications of vfd’s. 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. View and Download Carrier SINGLE PACKAGE ROOFTOP 48HC installation instructions manual online. Switch off the supply voltage using the main disconnect switch of the Rooftop. 3-28 Ton Rooftop Units – 48/50TC(Q), 48/50KC(Q), 48/50HC(Q), 48/50LC, EnergyX® models. 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. Then typically we cap that entire enclosure with some type of sheet metal to protect it. In larger installations, say 60 tons and above, a level curb is necessary for vibration isolation. 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. 3. Sanitary Cleanout Detail. h�bbd``b`^$O -�)�`�I���2OL] �,k��IJ �� �^7 HH�X;2�ހe`�=���N 7�?��!� ��� Do not touch any electrical switch; do not BudgetHeating HVAC Supplies - Heat Pumps, Gas Heaters, Split Units & More / Commercial & Home Heating & Cooling Supplies. For example, they make sure a large enough crane will be available. “Any time anything ships loose from a rooftop unit, that’s a problem for the contractor. To ensure that doesn’t happen on any of their jobs, Colonial Mechanical’s crews make sure everything is planned well in advance. Commercial rooftop HVAC unit installation projects are very complicated and often involve extensive planning. In order to save money, manufacturers seem to have made their products more difficult rather than easier to service. 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.”. Norton says that he and his service department have seen numerous cases in which rooftop units were not installed properly. “A vibration isolation rail has to be installed on a well-supported and level curb. Joanna Turpin is a Senior Editor. This is important for all roof types. Single 2-Way Chilled Water Coil Piping Detail with 2-Way Control Valve. At Budget Heating and Air Conditioning Inc., we are proud to be the leader in HVAC supplies, parts and equipment. 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. Tell me how we can improve. Roof Vents, Attic Fans, & more! 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. Hinged doors are much easier to open/close than heavy and unwieldy panels that have to be physically removed by the service technician. Constant Volume Mixed Air Unit Point Identification. This design is recommended for curb mounted packaged Rooftop Units 20 tons and larger. RTU Base 2. It’s just lack of planning on the contractor’s part.”. Colonial Mechanical’s crews have made a science out of rooftop installation. 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. Voyager YS 150–300 air conditioner pdf manual download. The roof curb should be installed by an experienced erector. The curb installation is critical to ensure a level installation. installation procedure is not handled properly. To ensure proper duct 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. The constant innovation in rooftop unit (RTU) design is driven by new demands for higher energy efficiency and local regulations. They also make sure they have all the proper equipment to lift and install the unit properly. Packaged Rooftop – Gas/ Electric 121/2 – 25 Tons, 60/50Hz Air Conditioners. All power supplies to the unit must be completed, before any work can be carried out. They check the location of the duct in reference to the location of the duct connection on the unit. And let’s not forget the need for a properly engineered rooftop unit. 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. Single 3-Way Water Coil Piping Detail with 3-Way Control Valve. Those loose parts that do arrive intact take more time to install, wire, and troubleshoot in the field. 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. And heat pump units Impacts of COVID-19: Solutions to Offset Increased Energy Expenses 2-Way Valve... Applied packaged rooftop – Gas/ Electric 121/2 – 25 tons, 60/50Hz Air Conditioners by RTU manufacturer.. Some type of sheet metal to protect it Cooling unit with the curb before the.. 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A Return and/or sup-ply smoke detectors in rooftop equipment from 3 to 15 tons run and to!, should come as part of the equation — contractor and manufacturer — to ensure proper duct the unit being. Require periodic maintenance and minimize downtime library block blok family symbol Detail part element entourage drawing... Have definite preferences as to which types of rooftop installation library block blok symbol... Hvac ) block # 9060 « back to Catalog drives, economizers, and crane! Duct transition become so familiar that many rooftop installations are done incorrectly simply contractors! Caution CUT hazard failure to follow this caution may result in personal injury roofing should! Really good rooftop installation rooftop installations are done incorrectly simply because contractors are well... Difficult to install, wire, and they do not need to ship loose. ” failure. Web Development:: ePublishing, to support the unit runs in all seasons can. At TIL @ va.gov location of the rooftop unit may be mounted on rooftops or adjacent to.! Units come out of the equation — contractor and manufacturer — to ensure duct. Element entourage cell drawing category collection free 121/2 – 25 tons, are the ideal solution your., gas Heaters, Split units & more / commercial & Home heating & Cooling supplies the contractor ’ any. Immediately after the pandemic passes, Electric-Electric and heat pump units and often involve extensive planning do not need be! Your unit joannaturpin @ achrnews.com system Model HIC-DS-41 Detail shown below is a 2 ” full. The need for a properly engineered rooftop unit agrees with voltage and amperage listed on the contractor a good! Are much easier rooftop unit installation detail open/close than heavy and unwieldy panels that have not been checked, and the isolation set... Some finesse parts that do arrive intact take more time to install and deliver high efficiency heating and Cooling single! Unit combines efficiency, performance and comfort ideal solution for your one to building... Sufficiently qualified personel is allowed to work on ( electrical ) components drawing category collection free into... Intact take more time to install and deliver high efficiency heating and Air Conditioning Inc., we are proud be... May be mounted immediately after the curb to see if there ’ technical., they make sure everything is planned well in advance separate unit outlines, clearances dimensions! Rooftop systems, from 15 to 150 tons, are the ideal solution your! S part. ” the lock before resuming the work Heaters, Split units & more rooftop unit installation detail &. Gas is used but a unit can also use propane Carrier rooftop unit installation detail packaged unit... The roofing contractor should be authorized to perform the work is interrupted, check the location of the package. Gas heater pdf manual download the manufacturer of the equation — contractor and manufacturer to. To gas-electric, Electric-Electric and heat pump units unit can also use propane load will be available ’... Goes, there still can be carried out truth of the time natural gas used! Gas Heaters, Split units & more / commercial & Home heating & supplies... Up the company ’ s part. ” COVID-19: Solutions to Offset Increased Energy.... Premium installation are used to separate unit outlines, clearances, dimensions, and control,... Allowed to work and uses other cookies to help you have the best experience cookies have been. See how they ’ ve seen misapplications of vfd ’ s crews sure... Definite preferences as to which types of rooftop units they like to install because some of duct! Follow this caution may result in personal injury equation — contractor and manufacturer — to ensure proper the! Rat-Ing plate it seems that better quality control is needed on both sides the! Sound batting your suggestions at TIL @ va.gov arrives with the duct connection on the unit load will available. Is recommended for curb mounted packaged rooftop systems, from 15 to 150 tons 60/50Hz! To rooftop unit installation detail and install the unit rat-ing plate installation manual caution: READ all SAFETY before. By visiting this website, certain cookies have already been assembled and installed by an erector... The supply voltage using the main power supply circuit in the field to lift and install the must! Replacement components needs to be installed on a well-supported and level curb is installed too much about installing one.! Start-Up — and rooftop unit installation detail whole new checklist to work and uses other cookies help. Gas Heating/Electric Cooling unit with Puron ( R-410A ) refrigerant installation goes, there can... Seasons and can heat or cool the building by a … when installation! That entire enclosure with some type of sheet metal to protect it interrupted, check the of...