Table of Contents
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I
I
NSTALLATION
NSTRUCTIONS
DOWNFLOW GAS FURNACES
Forced Draft with Direct Ignition (Hot Surface)
IMPORTANT: ONLY INDIVIDUALS HAVING PROVEN EXPERIENCE WITH THIS TYPE OF EQUIPMENT
SHOULD ATTEMPT TO PERFORM SET-- UP .
- HAS ROOF JACK CROWN BEEN CORRECTLY
INSTALLED?
- HAS FURNACE GAS VALVE AND BURNER ORI-
FICE BEEN CORRECTLY CONVERTED FOR L.P .
GAS WHERE APPLICABLE?
- HAS FURNACE GAS VALVE BEEN DE---RATED
FOR ALTITUDES ABOVE 2000 FEET WHERE
APPLICABLE?
- IS GAS LINE OUTLET PRESSURE PROPERLY
IMPORTANT: PROPER FURNACE SET-- UP AND ADJUSTMENT IS THE RESPONSIBILITY OF THE
RETAILER/HOMEOWNER AND IS NOT COVERED UNDER WARRANTY.
SEALED COMBUSTION
FURNACE SET---UP CHECK LIST
DLAS MODELS
(No Coil Cabinet)
For Installation In:
1. Manufactured (Mobile) Homes
2. Recreational Vehicles & Park
Models
3. Modular Homes & Buildings
SET FOR FUEL TYPE? (NATURAL GAS IS 3.5"
W.C.; L.P . IS 10" W.C.)
- IS PRIMARY AIR PROPERLY ADJUSTED PER
INSTALLATION INSTRUCTIONS?
- IS CROSS---OVER DUCT INSTALLED PER
HOME BUILDER AND EVCON INSTALLATION
INSTRUCTIONS?
- HAS FURNACE BEEN OPERATED THROUGH A
COMPLETE HEATING CYCLE?
DGAT & DGAM MODELS
(With Built-- In Coil Cabinet)
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Related Manuals for Evcon DGAM056BDD
Summary of Contents for Evcon DGAM056BDD
- Page 1 FICE BEEN CORRECTLY CONVERTED FOR L.P . INSTALLATION INSTRUCTIONS? GAS WHERE APPLICABLE? - IS CROSS---OVER DUCT INSTALLED PER - HAS FURNACE GAS VALVE BEEN DE---RATED HOME BUILDER AND EVCON INSTALLATION FOR ALTITUDES ABOVE 2000 FEET WHERE INSTRUCTIONS? APPLICABLE? - HAS FURNACE BEEN OPERATED THROUGH A...
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Page 2: Table Of Contents
TABLE OF CONTENTS GENERAL SPECIFICATIONS AND INSTRUCTIONS ..... . . FURNACE SPECIFICATIONS ......... . . INSTALLATION STANDARDS . - Page 3 If Furance Fails to Operate Properly ..........FINAL PROCEDURE .
- Page 4 LIST OF FIGURES Figure 1 — Furnace Dimensions ..........TABLE 1 —...
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Page 5: General Specifications And Instructions
GENERAL SPECIFICATIONS AND INSTRUCTIONS DLAS Series DGAT & DGAM Series 24” 24” 19--- 1/2” 23” 19--- 1/2” 23” 9--- 3/4” 9--- 3/4” 10--- 5/8” 10--- 5/8” 60 1/2” (on Sub--- Base) 76” 1--- 7/8” 15--- 7/8” 2” 15--- 7/8” Figure 1 -- DLAS, DGAT, and DGAM Series Furnace Dimensions WARNING IMPROPER INSTALLATION, ADJUSTMENT, SERVICE THE FURNACE CONTROL VALVE WHICH COULD... -
Page 6: Furnace Specifications
FURNACE SPECIFICATIONS TABLE 1 — Furnace Specifications DGAM — Automatic ignition — with Built-- in Coil Cabinet — 4 Ton -- A/C Ready Model No. Factory Equipped for use with: Input/BTUH Output/BTUH DGAM056BDD NATURAL GAS 56,000 46,000 DGAM075BDD NATURAL GAS 75,000 61,000 DGAT —... -
Page 7: Installation Standards
INSTALLATION STANDARDS Comply with Local Codes MINIMUM FURNACE CLEARANCES The installer shall familiarize himself with and comply with Access for servicing is an important factor in the location of all local codes and regulations which govern the installation any furnace. A minimum of 24 inches should be provided in of this appliance. -
Page 8: Return Air Requirements
RETURN AIR REQUIREMENTS CLOSET INSTALLATIONS Furnace to Closet Door Clearance — Greater than 6 Inches Return Air Grille Part No. The closet door MUST have a minimum of 250 7900---286P/A — Almond Square Inches of free area in the upper half of the 7900---287P/A —... -
Page 9: Special Closet Installations
SPECIAL CLOSET INSTALLATIONS Furnace to Closet Door Clearance — Greater than 1 Inch and Less than 6 Inches Clearance — Greater than 1 Inch and Less than 6 Inches A. The closet door MUST have a minimum of 250 Square Inches of free area in the upper half of the door and a minimum of 50 Square Inches of free area in the low- er area of the door. -
Page 10: Air Distribution Systems
AIR DISTRIBUTION SYSTEMS Location, size and number of registers should be selected on the basis of best air distribution and floor plan of the For proper air distribution, the supply duct system shall be home. designed so that the static pressure does not exceed the listed static pressure rating on the furnace rating plate. -
Page 11: Roof Jacks
ROOF JACKS CAUTION Mark Center Only use the appropriate roof jack. See TABLE 4 & TABLE 5 for correct application. 9--- 3/4” 12--- 1/4” Do not exceed the maximum height as determined from These dimensions may be TABLE 4 & TABLE 5. Installer should allow an addition- used if furnace fits snug al 1-- ”... -
Page 12: Figure 8 - Dlas Models
TABLE 4 — DLAS Roof Jacks TABLE 5 — DGAT & DGAM Roof Jacks Installation Dimensions Installation Dimensions Roof Jack Roof Jack Model Model ¡ ¡ Number Number Adjustable Height Adjustable Height 4000---7121/C 75” to 86” 4000---7101/C 86” to 95” These dimensions are These dimensions are These dimensions... -
Page 13: Ceiling Rings
CEILING RINGS DUCT CONNECTORS The ceiling ring is to meet fire stop requirements. Accessory Ceiling Ring (P/N 7660---2841) may be The duct connector is designed for use on ducts down to used, (see Figure 10) or the mobile home manufactur- 12”... -
Page 14: Dlas Series Furnaces
DLAS SERIES FURNACES Installation Procedure for DLAS Furnace cording to dimensions shown in Figure 11. Cut duct accu- rately to prevent air leakage. The following steps are listed for installation of furnace and Reinstall duct connector with tabs inside of hole in the duct need not be performed in the exact order as listed. -
Page 15: Dgat & Dgam Series Furnaces
DGAT & DGAM SERIES FURNACES Installation Procedure for DGAT & DGAM C. Securing Furnace Furnaces Make any minor adjustments in the furnace location necessary to insure that the opening in the furnace bot- The following steps are listed for installation of furnace and tom is centered over the opening in the duct. -
Page 16: Connecting Roof Jack To Furnace
CONNECTING ROOF JACK TO FURNACE It is mandatory that the combustion air and flue tube CAUTION assembly be fully engaged at back sides and front, and combustion air tube securely fastened to the furnace with sheet metal screws (2) in the screw holes pro- The inner flue pipe must be present. -
Page 17: Vent System Installation Instructions
IMPORTANT VENT SYSTEM INSTALLATION INSTRUCTIONS NEW HOME INSTALLATION WARNING IF THIS FURNACE IS INSTALLED ON A NEW HOME DO THE FOLLOWING 1. Inspect the furnace top collars for signs of insulation or FAILURE TO FOLLOW ALL VENTING INSTRUCT -- ceiling debris which might have fallen in during cutting IONS CAN RESULT IN FIRE, ASPHYXIATION, OR of the ceiling and roof holes. -
Page 18: Electrical Wiring
ELECTRICAL WIRING c. Connect the “hot” wire to the BLACK pigtail lead, and the “neutral” wire to the WHITE pigtail lead. Se- CAUTION cure all connections with suitable wire nuts and wrap with electrical tape. TO INSTALLER: INCOMING POWER MUST BE PO- d. -
Page 19: Thermostat Wiring For Dgat And Dgam Series
THERMOSTAT WIRING FOR DGAT AND DGAM SERIES Blend Air Control Box White White Green Green Black Yellow Yellow Condensing Unit Wall Thermostat Furnace Control Box Not Factory Installed Figure17 -- Thermostat Wiring... -
Page 20: Thermostat Wiring For Dlas (Heat Only) Series
THERMOSTAT WIRING FOR DLAS (HEAT ONLY) SERIES White White Green Black Yellow Wall Thermostat (Rear View) Furnace Control Box Figure17a --- Thermostat Wiring for DLAS Series... -
Page 21: Wiring Diagrams
Blend Air Control Box (If equipped) Upper Limit Switch Lower Limit Switch 1 2 3 4 5 6 7 8 9 Centrifugal Switch Wall Thermostat To A/C Condensing Unit (If equipped) Combustion Blower Motor Blower Motor Transformer Ground To Earth Ground Screw Valve System... -
Page 22: Wiring Diagram For Dgam Series
Blend Air Control Box Upper (If equipped) Limit Switch Lower Limit Switch 1 2 3 4 5 6 7 8 9 Centrifugal Switch Wall Thermostat To A/C Condensing Unit (If equipped) Combustion Blower Motor Blower Motor Transformer To Earth Ground Ground System Screw... -
Page 23: Gas Piping
GAS PIPING INSTALLATION AND CHECKING OF GAS LINE IMPORTANT When converting valve from or to Propane gas, it will be Gas Supply piping must be sized in accordance with the necessary to change main burner orifice to prevent an un- recommendations contained in “American National Stan- derfired or overfired condition. -
Page 24: Figure 20 - Natural Gas Flame Appearance
However, the amount of combustion air required will vary To adjust the combustion air: depending on altitude, actual BTU. content of the gas be- 1. To light and operate furnace see label inside lower fur- ing used, gas pressure, conversion to another gas, and nace door. -
Page 25: Figure 22 - Anti
If Furnace Fails to Operate Properly 4. Make sure filters are clean, return grilles are not ob- structed, and supply registers are open. 1. Check setting of thermostat --- and position of HEAT/ COOL switch if air conditioning is installed. If a set --- 5. -
Page 27: Parts List
DGAM, DGAT & DLAS SERIES HSI Gas Downflow Furnace Repair Parts List for: DGAM056BDD DGAT056BDD DLAS056BDD DGAT070BDD DGAM075BDD DGAT075BDD DLAS075BDD DGAT090BDD BURNER ORIFICE (SEE CHART) USED ON PART REQ. CODE MODEL NUMBER DESCRIPTION 8B246P Enamel (Spray 15 oz. Almond) 8B247P Enamel (Spray 15 oz. - Page 28 All parts with three digit suffix numbers are “Special Order” Parts. These parts are subject to factory availability and require extra time for delivery. * Suggested Parts Inventory (2% of Units Installed ---Minimum 1 each) Evcon Industries, Inc. 3110 North Mead P .O. Box 19014 Wichita, KS 67204--- 9014 1973--- 106/B Rev.5 (4/97) P .I.
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Questions and answers
Where is the S1-7990-319P circuit control board located on Evcon Model DGAT075BDD? And does it have anything to do with the A/C part of the unit. Repairman said the circuit control board is bad and not allow the A/C to work. ???
The location of the S1-7990-319P circuit control board on the Evcon Model DGAT075BDD is not specified in the provided context. There is also no information indicating whether it affects the A/C functionality.
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