Carrier 50YDV Installation, Operation And Maintenance Instructions

Carrier 50YDV Installation, Operation And Maintenance Instructions Manual pdf 5 page image

5R e s i d e n t i a l P a c k a g e d U n i t s - 6 0 H z P u r o n ®R e v. : 4 J a n . , 2 0 1 2Horizontal InstallationDrainConnection1/4” (6.4mm)for drainageFigure 1: Hanger BracketFigure 2: Horizontal Unit PitchHorizontal Unit LocationUnits are not designed for outdoor installation. Locatethe unit in an INDOOR area that allows enough space forservice personnel to perform typical maintenance or repairswithout removing unit from the ceiling. Horizontal unitsare typically installed above a false ceiling or in a ceilingplenum. Never install units in areas subject to freezing orwhere humidity levels could cause cabinet condensation(such as unconditioned spaces subject to 100% outside air).Consideration should be given to access for easy removal ofthe fi lter and access panels. Provide sufficient room to makewater, electrical, and duct connection(s).If the unit is located in a confined space, such as a closet,provisions must be made for return air to freely enter thespace by means of a louvered door, etc. Any access panelscrews that would be difficult to remove after the unit isinstalled should be removed prior to setting the unit. Refer toFigure 3 for an illustration of a typical installation. Refer to unitspecifications catalog for dimensional data.Conform to the following guidelines when selectingunit location:1. Provide a hinged access door in concealed-spline orplaster ceilings. Provide removable ceiling tiles in T-baror lay-in ceilings. Refer to horizontal unit dimensions forspecific series and model in unit specifi cations catalog.Size the access opening to accommodate the servicetechnician during the removal or replacement of thecompressor and the removal or installation of the unititself.2. Provide access to hanger brackets, water valves andfi ttings. Provide screwdriver clearance to access panels,discharge collars and all electrical connections.3. DO NOT obstruct the space beneath the unit with piping,electrical cables and other items that prohibit futureremoval of components or the unit itself.4. Use a manual portable jack/lift to lift and support theweight of the unit during installation and servicing.The installation of water source heat pump units and allassociated components, parts and accessories which makeup the installation shall be in accordance with the regulationsof ALL authorities having jurisdiction and MUST conform toall applicable codes. It is the responsibility of the installingcontractor to determine and comply with ALL applicablecodes and regulations.>PP@7KUHDGHG5RG E\RWKHUV9LEUDWLRQ,VRODWRUIDFWRU\VXSSOLHG:DVKHUE\RWKHUV'RXEOH+H[1XWVE\RWKHUVMounting Horizontal UnitsHorizontal units have hanger kits pre-installed from the factoryas shown in Figure 1. Figure 3 shows a typical horizontal unitinstallation.Horizontal heat pumps are typically suspended above a ceilingor within a soffit using field supplied, threaded rods sized tosupport the weight of the unit.Use four (4) field supplied threaded rods and factory providedvibration isolators to suspend the unit. Hang the unit clearof the floor slab above and support the unit by the mountingbracket assemblies only. DO NOT attach the unit flush with thefloor slab above.Pitch the unit toward the drain as shown in Figure 2 to improvethe condensate drainage. On small units (less than 2.5tons/8.8kW) ensure that unit pitch does not cause condensateleaks inside the cabinet.