Coleman DGAA Installation Manual Download | Manualshive

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Summary of Contents for DGAA

Page 1: ...Diagram DGAH 27 LIST OF TABLES Unit Clearances to Combustibles 4 Roof Jack Options 18 External Static Pressure Range 8 Inlet Gas Pressure Range 23 Filter Sizes All Models 9 Nominal Manifold Pressure 23 High Altitude Duration Chart 12 Blower Performance CFM Downflow Without Filters 25 Ratings Physical Electrical Data 13 AC Accessories 25 SECTION I SAFETY _ This is a safety alert symbol When you see...

Page 2: ... nameplate value e The external static pressure of the air distribution system ductwork must be set for heating operation to be at least 0 10 to 0 20 inches water column based on the input rate of the furnace with the lower value for input rates less than 55 000 btu hr and the upper value for units with input rates above 100 000 btu hr f The furnace and ductwork should be thoroughly and com pletel...

Page 3: ...s which have loosened in transit or shipping and spacer brackets the need to be removed FURNACE LOCATION AND CLEARANCES The furnace shall be located usinq the followinq quidelines 1 The furnace should be located where the roof jack can be installed with out major modifications to the roof of the structure 2 As centralized with the air distribution as possible 3 Where there is access to fresh air p...

Page 4: ...e heat exchanger and must comply with H U D TITLE 24 PART 3280 709 When the furnace is used in conjunction with a cooling coil the coil must be installed parallel with or in the supply air side of the furnace to avoid condensation in the primary heat exchanger When a parallel flow arrangement is used dampers or other means used to control airflow must be adequate to prevent chilled air from enteri...

Page 5: ... heat exchanger 3 At least one warm air supply outlet shall be provided in each room 4 When rooms are located adjacent to the exterior walls warm air outlets shall be located so as to bathe at least one exterior wall and where practical a window area with warm air except for bath rooms or kitchens where this might not be practical 5 Where practical outlets shall be provided near the exterior doors...

Page 6: ...es The total free area of the two upper grilles must be minimum of 250 ranches2 1613 cm 2 The total free area of the lower grille MUST be a minimum of 56 Inches 2 322 cm2 The grilles MUST BE ALIGNED directmy opposite the return air grHme of the furnace door i 0IN _ 322cm _ MINIMUM FREE AREA FIGURE 5 Furnace To Closet Door Clearance Less Than 1 DUCT CONNECTORS 2 3 8 6 0 cm ql i 18 3 4 47 6 cm ii i_...

Page 7: ... and select the appropriate duct connector from the chart See Figures 6 and 8 3 Place locating bracket supplied with the duct connector to the rear of the floor area for the furnace See Figure 10 4 Determine which of the four positions the duct connector best cen ters over the supply duct and insert it through the floor cut out 5 Mark cut out location on the supply duct and remove the duct con nec...

Page 8: ...st be of adequate size and designed such that the furnace will operate within the designed air tem perature rise range and not exceed the maximum designed static pres sure These values are listed in Table 2 SECTION II1 RETURN AIR REQUIREMENTS CLOSET INSTALLATIONS Additional Requirements Additional requirements for floor and ceiling return system for closet installed sealed combustion heating appli...

Page 9: ...a larger air filter or an air filter that has a lower pressure drop must be installed Air Filters Can Be Found On The Inside Of This Panel FIGURE 13 Furnace Air Filters TABLE 3 Filter Sizes All Models Input Output Air Flow Cabinet Width Door Filter 1 MBH kW MBH kW CFM cmm In In cm 56 16 4 44 8 13 1 1305 34 0 193 4 2 16x20x1 2x41 x51 70 20 5 56 16 4 1305 34 0 193 4 2 16x20x1 2x41 x51 77 22 5 62 18 ...

Page 10: ... of the furnace gas controls and within 6 feet 1 8 m of the furnace The furnace must be isolated from the gas supply piping system by closing its individual external manual shut off valve during any pressure testing of the gas supply piping system at pressures equal to or less than 1 2 psig 3 5 kPa CAUTION The gas valve body is a very thin casting that cannot take any external pressure Never apply...

Page 11: ...ent an underfired or over fired condition See label inside lower furnace door for complete instructions HIGH ALTITUDE GAS ORIFICE CONVERSION This furnace is constructed at the factory for natural gas fired operation at 0 2 000 ft 0 m 610 m above sea level The gas orifices on this furnace must be changed in order to maintain proper and safe operation when the furnace is installed in a location wher...

Page 12: ...Fuel Gas Code For Canadian installation no orifice or manifold pressure reduction is required for 0 4 500ft SECTION VI ELECTRICAL POWER Electrical Power Connections Field wiring to the unit must be grounded Electric wires that are field installed shall conform to the temperature limitation for 63 F 35 C rise wire when installed in accordance with instructions Refer to Table 5 in these instructions...

Page 13: ... cm Air Temp Rise AFUE F I C Operation Wgt LBS I Kg 45 13 1305 37 19 1 2 49 5 80 0 45 75 25 41 7 163 73 9 56 16 1305 37 19 1 2 49 5 80 0 45 75 25 41 7 163 73 9 62 18 1305 37 19 1 2 49 5 80 0 45 75 25 41 7 163 73 9 72 21 1305 37 19 1 2 49 5 80 0 45 75 25 41 7 163 73 9 45 13 1050 30 19 1 2 49 5 80 0 45 75 25 41 7 146 66 2 62 18 1050 30 19 1 2 49 5 80 0 45 75 25 41 7 146 66 2 Max Outlet Booster Motor...

Page 14: ...tallation Damaged roof caps will cause improper furnace operation The furnace will not heat properly and could result in explosion 3 Before inserting the vent pipe into the furnace top inspect the fur nace flue and combustion air opening for debris or insulation which have fallen in during pre installation steps Do not proceed unless all debris have been cleaned out or removed 4 After installing r...

Page 15: ...7141 C and is available only in Canada 2 The 4084 7151 is dimensionally the same as 4000 7151 C and is available only in Canada t FLUE GASES 19 1 2 COMBUSTION AIR CAULK UNDER FLASHING CAREFULLY CAULKALLAROUND SWIVEL JOINT WITH SEALANT SUPPLIED BY FURNACE MANUFACTURER _ _ COMBUSTION A R _ FLASHING The End of Upper Portion of Roof Jack need ____ Not extend below the ceiling _ __ _MPORTANT I SEAL ROO...

Page 16: ...BLE HEIGHT 101 to 117 115 to 145 CAREFULLY CAULKALLAROUND SWIVEL JOINT WITH SEALANT SUPPLIED BY FURNACE MANUFACTURER CAULK Not extend below the ceiling IMPORTANT AND ROOF CAULK UNDER FLASHING ROOF A 59 1 2 DGAA MODELS DGAH MODELS __ __ _ FLOOR B 76 I k HI _ WARM AIR DUCT DUCT CONNECTOR DUCT CONNECTOR WARM AIR DUCT x x x x x x x x x x x x x x 4 x x x x x x x x x 4 x 4 4 x m x x x 4 x x x x FIGURE 2...

Page 17: ...e combustion air pipe and flue pipe assem bly be fully engaged The combustion air pipe MUST be securely fastened to the furnace with a sheet metal screw in the hole pro vided Use a 1 2 blunt or sharp end sheet metal screw to fasten roof jack combustion air pipe to furnace combustion air collar Screw hole is provided in the pipe and collar Excessively long screws may extend to flue pipe and punctur...

Page 18: ...s mandatory that the combustion air and flue tube assembly be properly engaged and the combustion air pipe fastened to the furnace with sheet metal screws in the holes provided If using an optional interior extension place extension down on furnace top and mate with furnace flue and combustion air collar until it lines up with screw holes in combustion air collar Secure the extension to the furnac...

Page 19: ...ropane Installation Code 7 _et 2 13 m t 12inches 30 4 cm 12 30 4 cm 12 30 4 cm Gas Code In accordance with the current UL 311 Standard for Safety for Roof Jacks for Manufac 1 A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings _ Permitted only if veranda porch deck or balcony is fully open on a minimum...

Page 20: ...ions to the venting system and or to the supply outside air system must be in accordance with the National Fuel Gas Code Z223 1 or CAN CGA B149 1 00 Natural Gas and Propane Installation Code latest editions If the vent system must be resized follow the appropriate tables in Appendix G of the above codes or for this appliance FAN ASSISTED COMBUSTION SYSTEM An appliance equipped with an integral mec...

Page 21: ...ome up to speed Shortly after inducer start up the hot surface igniter will glow for about 30 seconds b After this warm up the ignition module will energize open the main gas valve c After flame is established the supply air blower will start in the time set on the control board AWARNING FIRE OR EXPLOSION HAZARD Failure to follow the safety warnings exactly could result in serious injury death or ...

Page 22: ...ic foot gas meter 0 2777 kW x 3412 14 BTU H 77 796 80 0 2777 22 80 x 3412 14 MJ m 3 x 2 cu ft x 0 028 x 0 960 x 3600 MJ H x Seconds it took to measure the 2 cu ft of gas NATURAL GAS INPUT CALCULATION EXAMPLE 38 4 x 2 x 0 028 x 0 960 x 3600 82 12 x 90 5 Natural Gas 1030 BTU SCF 38 4 MJ m 3 PROPANE LP GAS INPUT CALCULATION EXAMPLE 93 15 x 1 x 0 028 x 0 960 x 3600 83 46 x 108 Propane Gas 2500 BTU SCF...

Page 23: ...igure 30 for connection details IMPORTANT The cap for the pressure regulator must be removed entirely to gain access to the adjustment screw Loosening or tightening the cap does not adjust the flow of gas 1 Refer to Figure 29 for location of pressure regulator adjustment cap and adjustment screw on main gas valve 2 Turn gas and electrical supplies on and follow the operating instructions to place ...

Page 24: ...an off timing may be adjusted by positioning the jumper on two of the four pins as shown in Figure 31 FAN OFF JUMPER FAN ON I_ ADJUSTMENT JUMPER TRANSFORMER LINEVOLTAGE BLACK HIGH SPEED RED LOW SPEED I II I FUSE 3A FIGURE 31 Furnace Control Board FILTER PERFORMANCE The airflow capacity data published in Table 9 represents blower perfor mance WITHOUT filters APPLYING FILTER PRESSURE DROP TO DETERMI...

Page 25: ...16 4 13 1 70 56 20 5 16 4 77 62 22 5 18 5 90 72 26 3 21 1 Nominal Cabinet CFM m3 min Size 1725 48 9 A 1725 48 9 A 1725 48 9 A 1725 48 9 A EXTERNAL STATIC PRESSURE INCHES WC kPa Speed 0 1 0 025 0 2 0 050 0 3 0 075 0 4 0 099 0 5 0 124 Tap cfm cm m cfm cm m cfm cm m cfm cm m cfm cm m High w Coil 1800 51 0 1760 49 9 1725 48 9 1680 47 6 1650 46 7 Med High w Coil 1535 43 5 1505 42 6 1480 41 9 1445 40 9 ...

Page 26: ... BE H WIRING MATERIAL HAVING A I_F I05_C NDUCTORS ONLY E PROPERLY GROUNDED SUPPLIES CODE ELEC NATIONAL CEN ET OU CODE ELEC CANAD EN CEC ET OU CODES LOCAUX ET MUNICIPAUX NPATRIE OU EN TOUT IL DOlT RESISTER A DES TEMPERATURES E CUIVRE DOlT ETRE BIEN MISE EN TERRE L ALIMENTA TON LEUR CONCEPTION CONNECTION DIAGRAM DIAGRAMME DE RACCORDEMENT DE SURCHARGE DE TIR LEGEND 09 ISCON ECT SWITCH V A_ VALVE ION ...

Page 27: ...AVEC UN MATERIAUX POUVANT AU MOINS 22PF lOb C 5 SEULEMENT DES MARETTES POUR FIL O 4 TOUTE COMPOSANTE E REMPLACEMENT 5 FOURN SSEZ LES DISJONCTEU _S POUR 6 LES MOTEURS SONT PROTEGES DE PAR 7 SSI DE SERIE AVEC LSI ET LS CODE ELEC NATIONAL CEN ET OU CODE ELEC CANADIEN CEC ET OU CODES LOCAUX ET MUNICIPAUX N PATRIE OU EN TOUT IL OOIT RESISTER A DES TEMPERATURES E CU VRE OOIT ETRE 6IEN MISE EN TERRE L AL...

Page 28: ...change without notice Published in U S A Copyright _ 2011 by Johnson Controls Inc All rights reserved Johnson Controls Unitary Products P O Box 19014 Wichita KS 67204 9014 129098 UIM H 1011 Supersedes 129098 UIM G 0411 ...

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