INSTALLATION INSTRUCTIONSDLAS MODELS(No Coil Cabinet)DGAT & DGAM MODELS(With Built--In Coil Cabinet)For Installation In:1. Manufactured (Mobile) H
10AIR DISTRIBUTION SYSTEMSFor proper air distribution, the supply duct system shall bedesigned so that the static pressure does not exceed thelisted s
11ROOF JACKSOnly use the appropriate roof jack.See TABLE 4 & TABLE 5 for correct application.Do not exceed the maximum height as determined fromTA
12TABLE 4 — DLAS Roof JacksRoof JackInstallation DimensionsModelNumber¡Adjustable Height4000--7121/C 75” to 86”These dimensions are4000--7141/C ** 83”
13CEILING RINGSThe ceiling ring is to meet fire stop requirements. Acces-sory Ceiling Ring (P/N 7660--2841) may be used, (seeFigure 10) or the mobile
14DLAS SERIES FURNACESInstallation Procedure for DLAS FurnaceThe following steps are listed for installation of furnace andneed not be performed in th
15DGAT & DGAM SERIES FURNACESInstallation Procedure for DGAT & DGAMFurnacesThe following steps are listed for installation of furnace andneed
16CONNECTING ROOF JACK TO FURNACEThe inner flue pipe must be present.It is mandatory that the combustion air pipe and fluepipe assembly be fully engag
17IMPORTANTVENT SYSTEM INSTALLATION INSTRUCTIONSFAILURE TO FOLLOW ALL VENTING INSTRUCT--IONS CAN RESULT IN FIRE, ASPHYXIATION, OREXPLOSION.The vent sy
18ELECTRICAL WIRINGTO INSTALLER: INCOMING POWER MUST BE PO-LARIZED. OBSERVE COLOR CODING.DANGER-- SHOCK HAZARD --DISCONNECT ELECTRICAL POWER SUPPLY TO
19THERMOSTAT WIRING FOR DGAT AND DGAM SERIESFigure17 -- Thermostat WiringWhiteGreenBlackRedBlend AirControl BoxCondensingUnitWall ThermostatFurnace Co
2TABLE OF CONTENTSGENERAL SPECIFICATIONS AND INSTRUCTIONS 5...FURNACE SPECIFICATIONS 6...I
20THERMOSTAT WIRING FOR DLAS (HEAT ONLY) SERIESWall Thermostat(Rear View)Furnace Control BoxFigure17a -- Thermostat Wiring for DLAS SeriesRWWhiteGreen
21WIRING DIAGRAMSFigure 18 -- DGAT Series Wiring DiagramWGRHYWallThermostat1 2 3 4 5 6 7 8 9UpperLimit SwitchLowerLimitSwitchCentrifugalSwitchCombusti
22WIRING DIAGRAMSFigure 19 -- DGAM Series Wiring DiagramBlend AirControl Box(If equipped)GRHYWallThermostat1 2 3456 78 9UpperLimitSwitchLowerLimitSwit
23GAS PIPINGINSTALLATION AND CHECKING OF GAS LINEGas Supply piping must be sized in accordance with the rec-ommendations contained in “American Nation
24However, the amount of combustion air required will vary de-pending on altitude, actual BTU. content of the gas beingused, gas pressure, conversion
25If Furnace Fails to Operate Properly1. Check setting of thermostat -- and position of HEAT/COOL switch if air conditioning is installed. If a set--b
HIGH ALTITUDE DERATION CHART — DGAM, DGAT, DLAS SeriesNATURAL GAS56,000 — Input 70,000 — Input 75,000 — Input 90,000 — InputElevationOrificeDia.Drill
27DGAM, DGAT & DLAS SERIESHSI Gas Downflow FurnaceRepair Parts List for:DGAM056BDE DGAT056BDE DLAS056BDE DGAT070BDE DGAM075BDE DGAT075BDE DLAS075B
28DGAM, DGAT, & DLAS SERIESHSI GAS DOWN FLOW FURNACECODEUSED ONMODELNO.REQ.PARTNUMBERDESCRIPTION6 ALL 1 7990--401 Cover (Control Box)*7 ALL 1 7990
3GAS PIPING 23...INSTALLATION AND CHECKING OF GAS LINE 23...Obse
4LIST OF FIGURESFigure 1 — Furnace Dimensions 5...TABLE 1 — Furnace Specifications 6...
5GENERAL SPECIFICATIONS AND INSTRUCTIONSDGAT & DGAM SeriesDLAS Series60 1/2”76”19--1/2”9--3/4”23”24”10--5/8”19--1/2”9--3/4”23”24”10--5/8”15--- 7/8
6FURNACE SPECIFICATIONSTABLE 1 — Furnace SpecificationsDGAM — Automatic ignition — with Built --in Coil Cabinet — 4 Ton -- A/C ReadyModel No. Factory
7INSTALLATION STANDARDSComply with Local CodesThe installer shall familiarize himself with and comply with alllocal codes and regulations which govern
8RETURN AIR REQUIREMENTSCLOSET INSTALLATIONSFigure 3 — Closet to Door Clearance — 6” or greaterCLOSETFURNACEDOOR6” or greater —Closet to DoorClearance
9SPECIAL CLOSET INSTALLATIONSFurnace to Closet Door Clearance — Greater th an 1 Inch and Less than 6 In ch esFigure 4 — Furnace to Closet Door Clearan
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