York SUNLINE ULTRA D1HG 048 Installation Instruction

Contents

035-14841-000 Rev. A (0701)4 Unitary Products GroupPRODUCT NOMENCLATURELIMITATIONSThese units must be installed in accordance with the currentedition of the following national and local safety codes:In the U.S.A.:1. National Electrical Code ANSI/NFPA No. 70.2. National Fuel Gas Code Z223.1.3. Gas-Fired Central Furnace Standard ANSI Z21.47-1993.4. Local gas utility requirements.In Canada:1. Canadian Electrical Code CSA C22.12. Current Gas Installation Codes CAN/CGA-2.3-M93.3. Local plumbing and waste water codes.4. Other applicable local codes.5. Refer to Table 1 for Unit Application Data and to Table 2for Gas Heat Application Data.If components are to be added to a unit to meet local codes,they are to be installed at the dealer's and / or the customer'sexpense.Size of unit for proposed installation should be based on heatloss / heat gain calculation made according to the methods ofAir Conditioning Contractors of America (ACCA). .LOCATIONUse the following guidelines to select a suitable location forthese units.1. Unit is designed for outdoor installation only.2. Condenser must have an unlimited supply of air. Wherea choice of location is possible, position unit on eithernorth or east side of building.3. For ground level installation, a level pad or slab shouldbe used. The thickness and size of the pad or slab usedshould meet local codes and unit weight. Do not tie theslab to the building foundation.4. Roof structures must be able to support the weight of theunit and its options and / or accessories. Unit must beinstalled on a solid level roof curb or appropriate angleiron frame.5. Maintain level tolerance to 1/2" maximum across theentire length or width of the unit.6. Elevate the unit sufficiently to prevent any blockage ofthe air entrances by snow in areas where there will besnow ac-cumulation. Check the local weather bureau forthe expected snow accumulation in your area.RIGGING AND HANDLINGExercise care when moving the unit. Do not remove anypackaging until the unit is near the place of installation. Rigthe unit by attaching chain or cable slings to the lifting holesprovided in the base rails. Spreaders, whose length exceedsthe largest dimension across the unit, MUST be used acrossthe top of the unit.TABLE 1: UNIT APPLICATION DATAModel DHG 036 048 060Voltage VariationMin. / Max.1208/230V187 / 253460V 414 / 506Supply Air CFM, Nom. 1200 1600 2000Wet Bulb Temperature (ºF) of Air on Evapora-tor Coil, Min. / Max.57 / 72 57 / 72 57 / 72Dry Bulb Temperature (°F) of Air on Con-denser Coil Min2 / Max.45 / 120 45 / 120 45 / 120If a unit is to be installed on a roof curb or specialframe other than a YORK roof curb, gasketingmust be applied to all surfaces that come in con-tact with the unit underside.