DUCT COVERS - Units are shipped with all air ductopenings covered.For side duct applications;1.Remove and discard the supply and return air ductcovers.2.Connect ductwork to duct flanges on the rear of theunit.For bottom duct applications;1. Remove the side supply air duct cover to gainaccess to the bottom supply air knockout panel.2. Remove and discard the bottom knockout panel.3. Replace the side duct cover.4. With filter section access panel removed from theunit, remove and discard the bottom return airknockout panel.5. Replace the filter access panel.FIG. 5 - DIMENSIONS & CLEARANCES - 036 - 076 UNITSCLEARANCES (mm/in.)Front 607/24Back 305/12 (Less Economizer)914/36 (With Economizer)Left Side (Filter Access) 607/24 (Less Economizer)914/36 (With Economizer)Right Side (Cond. Coil) 607/24Below Unit1 20/0Above Unit2 1829/72 (For Condenser AirDischarge)NOTE:Units and ductwork are approved for zero clearance to combustiblematerials when equipped with electric heaters.1 Units may be installed on combustible floors made from wood orclass A, B or C roof covering material. (Applicable in USA only).2 Units must be installed oudoors. Overhanging structures or shrubsshould not obstruct the outdoor coil nor the fan outlet.HOLEKNOCKOUTSIZE(DIA.), mm/in.USED FORA 22 / 7⁄8 *Control Wiring(Side orBottom)**B 51 / 2 **Power Wiring(Side orBottom)* Knockouts in the bottom of the unit can be locatedby the slice in the insulation.**Do not remove the 2" knockout ring.UTILITIES ENTRY DATAFILTER ACCESSELECTRICHEATACCESSB - POWER WIRING ENTRYA, BWIRING ENTRY(See Detail “B”)OUTDOORCOILA - CONTROL WIRING ENTRY3⁄4“ PVC FEMALECOND. DRAIN(See Detail ”A")BOTTOM SUPPLY &RETURN AIR OPENINGS(SEE NOTE)(829)325⁄8(445) 171⁄2(292)111⁄2(200)77⁄8(171) 63⁄4(206) 81⁄8(213) 83⁄8(445)171⁄2(165) 61⁄2(137)53⁄8(64)21⁄2(2089) 821⁄4(1140) 447⁄8(Direct-Drive Units)FIELD-SUPPLIEDDISCONNECT SWITCHLOCATIONBLOWERACCESSCONTROLBOX ACCESSShown separately to illustrate bottomduct openings and power connectionlocations.NOTE: For curb-mounted units, refer to theduct hanger dimensions of the curb for theproper size of the supply and return airduct connections.COMPRESSORACCESS(19)OPENING FORPRESSURE CHECKOPENING FORPRESSURE CHECK(495)191⁄2(699)271⁄23⁄4“ CONDENSATEDRAIN(must be trapped)(19)(1140)447⁄8B(416)163⁄8(260)101⁄4(260)101⁄4(121)43⁄8(121)45⁄8A(89)31⁄2(210) 81⁄4UNIT WITH FIXED OUTDOORAIR / BAROMETRIC RELIEF RAIN HOODDETAIL “B”DETAIL “A”UNIT WITH ECONOMIZER RAIN HOODAIR FLOW LEGENDRETURN AIRSUPPLY AIROUTDOOR AIROUTDOOR AIR(Economizer)UNIT BASE WITH RAILSFRONT VIEWAll dimensions are in millimeters and inches.They are subject to change without notice. Cer-tified dimensions will be provided upon request.(292)111⁄2(117)45⁄8(76)3(200)77⁄8(165)61⁄2(445)171⁄2(292)111⁄2(445)171⁄2(1140)447⁄8(502)193⁄4SIDE SUPPLY AND RETURNAIR OPENINGSREAR VIEW530.26-N1YIUnitary Products Group 7