York SUNLINE DCG Series Installation Manual

Contents

York SUNLINE DCG Series Installation Manual Manual pdf 10 page image

290699-YIM-B-060710 Unitary Products GroupSections 7.2, 7.3 or 7.4 of Gas Installation Codes CSA-B149.1 (in Canada) and/or applicable provisions of thelocal building codes. Refer to Dimensions and Clear-ances shown in Figures 10 through 13 and Tables 18and 19 for the clearances required for combustible con-struction, servicing, and proper unit operation.DUCTWORKDuctwork should be designed and sized according tothe methods in Manual Q of the Air Conditioning Con-tractors of America (ACCA).A closed return duct system shall be used. This shallnot preclude use of economizers or outdoor fresh airintake. The supply and return air duct connections atthe unit should be made with flexible joints to minimizenoise.The supply and return air duct systems should bedesigned for the CFM and static requirements of thejob. They should NOT be sized to match the dimen-sions of the duct connections on the unit.Refer to Figures 10 through 14 for information concern-ing side and bottom supply and return air duct openings.NOTE: It is recommended that, in Canada, the outletduct be provided with a removable accesspanel. It is recommended that this opening beaccessible when the unit is installed in service,and of a size such that smoke or reflected lightmay be observed inside the casing to indicatethe presence of leaks in the heat exchanger.The cover should be attached in a manneradequate to prevent leakage.CONDENSATE DRAINPlumbing must conform to local codes. Use a sealingcompound on male pipe threads. Install a condensatedrain line from the 3/4” NPT female connection on theunit to an open drain.NOTE: The condensate drain operates in a negativepressure in the cabinet. The condensate drainline MUST be trapped to provide proper drain-age. See Figure 1.COMPRESSORSUnits are shipped with compressor mountings factory-adjusted and ready for operation.Units with scroll compressors have a shipping bracketwhich must be removed after the unit is set in place.See Figure 2.Do not permit overhanging structures or shrubsto obstruct outdoor air discharge outlet, com-bustion air inlet or vent outlets.When fastening ductwork to side duct flangeson unit, insert screws through duct flangesonly. DO NOT insert screws through casing.Outdoor ductwork must be insulated andwaterproofed.FIGURE 1 - RECOMMENDED DRAIN PIPINGFIGURE 2 - COMPRESSOR RESTRAININGBRACKETWire tie(cut and remove)Mounting brackettop (remove)Mounting bracketbaseRemove thesescrews (2)Compressor