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CAUTION: READ ALL SAFETY GUIDES BEFORE

YOU START TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

For Installation In:

1.

Manufactured (Mobile) Homes

2.

Recreational Vehicles & Park Models

3.

Modular Homes & Buildings

SEALED COMBUSTION

DOWNFLOW GAS FURNACE

MODELS:  DGAA, DGAH, DGPA, AND DGPH

035-16328-002 Rev. C (0902)

IMPORTANT - 

Only individuals having proven experience with this

type of equipment should attempt to perform set-up.
Proper furnace set-up and adjustment is the responsibility of the
retailer/homeowner and is not covered under warranty.

FURNACE START-UP CHECK LIST

Has roof jack crown been correctly installed?

Has furnace gas valve and burner orifice been correctly con-
verted for Propane. gas where applicable?

Has furnace gas valve been de-rated for altitudes above 2000 
feet where applicable?

Is gas line outlet pressure properly set for fuel type? (natural gas 
is 3.5" W.C.; Propane is 10" W.C.)

Is cross-over duct installed per home builder and UPG installa-
tion instructions?

Has furnace been operated through a complete heating cycle?

Has the pilot flame been adjusted properly? (DGPH and DGPA 
Models)

INSTALLATION 
INSTRUCTION

TABLE OF CONTENTS

FURNACE SPECIFICATIONS   . . . . . . . . . . . . . . . . .2

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . .3

INSTALLATION STANDARDS . . . . . . . . . . . . . . . . .3

CODE COMPLIANCE  . . . . . . . . . . . . . . . . . . . . . .3
HIGH ALTITUDE INSTALLATION   . . . . . . . . . . . .3
MINIMUM FURNACE CLEARANCES   . . . . . . . . .3

RETURN AIR REQUIREMENTS . . . . . . . . . . . . . . . .4

CLOSET INSTALLATIONS  . . . . . . . . . . . . . . . . . .4
AIR DISTRIBUTION SYSTEMS  . . . . . . . . . . . . . .4

ROOF JACK  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

EXISTING FURNACE REPLACEMENT  . . . . . . . .6
NEW HOME INSTALLATION  . . . . . . . . . . . . . . . .6
INSTALLATION IN SNOW REGIONS   . . . . . . . . .6
LOCATING AND CUTTING ROOF JACK 
OPENING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
INSTALLING ROOF JACK IN ROOF  . . . . . . . . . .6

DUCT CONNECTORS   . . . . . . . . . . . . . . . . . . . . . . .9

INSTALLATION OF SCREW ATTACHMENT 
DUCT CONNECTOR   . . . . . . . . . . . . . . . . . . . . .10
INSTALLATION OF TAB ATTACHMENT 
DUCT CONNECTORS  . . . . . . . . . . . . . . . . . . . .10

INSTALLATION OF THE FURNACE  . . . . . . . . . . .11

CEILING RINGS  . . . . . . . . . . . . . . . . . . . . . . . . .12

ELECTRICAL WIRING  . . . . . . . . . . . . . . . . . . . . . .12

CONNECT POWER SUPPLY WIRES   . . . . . . . .12
CONNECT THERMOSTAT WIRES   . . . . . . . . . .12
WALL THERMOSTAT . . . . . . . . . . . . . . . . . . . . .13

WIRING DIAGRAMS   . . . . . . . . . . . . . . . . . . . . . . .14

GAS PIPING  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

INSTALLATION AND CHECKING OF GAS LINE 19
HIGH ALTITUDE DERATION CHART   . . . . . . . .21

REPAIR PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . .22

Summary of Contents for DGAA

Page 1: ...W C Propane is 10 W C Is cross over duct installed per home builder and UPG installa tion instructions Has furnace been operated through a complete heating cycle Has the pilot flame been adjusted properly DGPH and DGPA Models INSTALLATION INSTRUCTION TABLE OF CONTENTS FURNACE SPECIFICATIONS 2 GENERAL INFORMATION 3 INSTALLATION STANDARDS 3 CODE COMPLIANCE 3 HIGH ALTITUDE INSTALLATION 3 MINIMUM FURN...

Page 2: ... 77 000 62 000 DGPA090ABTA NATURAL GAS 90 000 72 000 DGPH STANDING PILOT WITH BUILT IN COIL CABINET 3 TON NO A C CONTROLS DGPH056ABTA NATURAL GAS 56 000 45 000 DGPH070ABTA NATURAL GAS 70 000 56 000 DGPH077ABTA NATURAL GAS 77 000 62 000 DGPH090ABTA NATURAL GAS 90 000 72 000 DGAH AUTOMATIC IGNITION HEATING ONLY NO COIL CABINET DGAH056BBSA NATURAL GAS 56 000 45 000 DGAH077BBSA NATURAL GAS 77 000 62 0...

Page 3: ...ard C22 2 No 148 CAN CSA Z240 6 2 Electrical Requirements for recreational vehicles HIGH ALTITUDE INSTALLATION For elevation above 2 000 feet derate furnace input 4 for each 1 000 feet of elevation above sea level Derating is accomplished by reducing the orifice size See Derating Chart for orifice size In Canada for elevations from 2000 to 4500 feet derate by reducing gas manifold pressure to 3 0 ...

Page 4: ...f 200 or less 6 Non combustible pans having one inch upturned flanges are located beneath openings in the floor return duct system 7 Wiring materials located in the return duct system con form to Article 300 22 B C of the National Electrical Code NFPA 70 8 Gas piping is not run in or through the return duct sys tem 9 The negative pressure in the closet as determined by test with the air circulatin...

Page 5: ...Furnace to Closet Door Clearance Greater than 1 Inch and Up to 5 Inches 1 2 A fully louvered closet door have a minimum of 250 of free area in the upper half of the door MUST Square Inches The closet door have a minimum of of free area in the upper half of the door and a minimum of of free area in the lower area of the door The lower closet door grille may be omitted if an undercut of 2 1 2 inches...

Page 6: ...result in explosion 3 Before inserting the vent pipe into the furnace top inspect the furnace flue and combustion air opening for debris or insulation which have fallen in during pre instal lation steps Do not proceed unless all debris have been cleaned out or removed 4 After installing roof jack on furnace top collar check to make sure there is no gap in back or side between the pipe collar and t...

Page 7: ...ack need Not extend below the ceiling A B 1 2 The 4084 7141 is dimensionally the same as 4000 7141 C and is available only in Canada The 4084 7151 is dimensionally the same as 4000 7151 C and is available only in Canada DGAH FURNACES DGPH DGPA DGAA FURNACES INSTALLATION DIMENSIONS INSTALLATION DIMENSIONS A ADJUSTABLE HEIGHT B ADJUSTABLE HEIGHT 70 to 79 75 to 86 83 to 104 90 to 116 127 to 157 86 to...

Page 8: ...00 8181 C SWIVEL FLASHING ADJUSTS FROM 0 12 TO 5 12 PITCH SLANT FLASHING 3 12 PITCH 76 59 1 2 IMPORTANT SEAL ROOF JACK FLASHING TO THE ROOF JACK AND ROOF THIS IS THE INSTALLER S RESPONSIBILITY A B CAREFULLY CAULK ALL AROUND SWIVEL JOINT WITH SEALANT SUPPLIED BY FURNACE MANUFACTURER The End of Upper Portion of Roof Jack need Not extend below the ceiling CAULK UNDER FLASHING CAULK UNDER FLASHING ROO...

Page 9: ...T 12 18 3 4 3 8 43 8 23 8 23 8 DUCT CONNECTOR PART NUMBER DUCT CONNECTOR DEPTH 7990 6211 7990 6221 7990 6241 7990 6261 7990 6271 7990 6281 7990 6301 7990 6321 1 2 4 1 2 6 1 2 7 1 2 8 1 2 10 1 4 12 1 4 DUCT CONNECTOR DIMENSIONS FIGURE 9 Recommended Floor Cut out 2 3 4 MIN 23 1 4 20 1 2 9 7 8 2 1 8 1 3 8 6 3 8 9 3 4 20 3 1 4 1 1 8 15 15 1 REAR WALL OF ENCLOSURE CEILING CUT OUT FOR ROOF JACK FLOOR CU...

Page 10: ...ity from the surface of the floor to the top of the supply air duct and select the appropriate duct connector from the chart 3 Place locating bracket supplied with the duct connector to the rear of the floor area for the furnace See Figure 12 4 Determine which of the four positions the duct connector best centers over the supply duct and insert it through the floor cutout 5 Mark cut out location o...

Page 11: ...engaged and is in contact with gasket Fasten the com bustion air tube to the furnace combustion air collar using a 1 2 inch sheet metal screw Screw hole provided in combustion air tube and furnace combustion air collar See Figure 14 FIGURE 13 Installation of Furnace SECURE FURNACE TO FLOOR WITH TWO NAILS OR SCREWS FURNACE SEATED AGAINST THE LOCATOR BRACKET The inner flue pipe must be present It is...

Page 12: ...ect low voltage circuit to the wall thermostat pig tails NOTE Five conductor thermostat cable is recommended for all installations to allow easy installation of an air conditioning system at a later time Eighteen gauge thermostat wire is highly recommended Smaller gauge thermostat wire may be used only if the guide line below is followed Do not use thermostat wire smaller than 22 gauge If thermo s...

Page 13: ...nd where the tempera ture will be reasonably representative of other living areas the thermostat is controlling NOTE In order to provide proper ventilation control when using DGPH model furnaces with Coleman Blend Air ventilation systems it is required that a 4 wire wall thermostat and Blower Relay Kit 7900 7761 be installed FIGURE 17 Wiring for Heat Only Thermostat WHITE GREEN BLACK RED YELLOW WH...

Page 14: ...re wall thermostat and Blower Relay Kit 7900 7761 be installed FIGURE 19 Wiring Diagram for DGPH056 DGPH070 DGPH077 BLOWER MOTOR MANUAL RESET LIMIT SWITCH BLK GND SCREW NEU LI WHT BLK ORG WHT BLK ORG FAN SWITCH TRANSFORMER 2 3 1 GAS CONTROL BLU GRN SYSTEM SWITCH BLK ORG BRN WALL THERMOSTAT WHT RED RED 3 AMP FUSE LINE LOAD 24V SEC 120V PRI GRY TO EARTH GND AUTO RESET LIMIT SWITCH W R 2 3 1 4 5 6 7 ...

Page 15: ...nstalled FIGURE 20 Wiring Diagram for DGPH090 BLOWER MOTOR MANUAL RESET LIMIT SWITCH BLK WHT ORG FAN SWITCH TRANSFORMER 2 3 1 BLU SYSTEM SWITCH WHT ORG BRN WHT RED RED 3 AMP FUSE LINE LOAD 24V SEC 120V PRI GRY AUTO RESET LIMIT SWITCH W R 2 3 1 4 5 6 7 8 9 115 VAC BLK GRN BLK WHT WALL THERMOSTAT NEU LI WHT BLK GND SCREW TO EARTH GND GAS CONTROL PRESSURE SWITCH COMBUSTION BLOWER MOTOR BLK WHT ORG WH...

Page 16: ...035 16328 002 Rev C 0902 16 Unitary Products Group FIGURE 21 ...

Page 17: ...LOAD 24V SEC 120V PRI GRY AUTO RESET LIMIT SWITCH W R 2 3 1 4 5 6 7 8 9 115 VAC BLK GRY BLK WALL THERMOSTAT NEU LI WHT BLK GND SCREW TO EARTH GND GAS CONTROL BLK WHT WHT Y YEL BLEND AIR CONTROL BOX IF EQUIPPED RED BLK A C CONDENSING UNIT CONTACTOR WHT RED GRN BLK ORG ORG 3 1 2 4 5 6 COMBUSTION BLOWER RELAY BLK A C BLOWER RELAY WHT COMBUSTION BLOWER MOTOR SYSTEM SWITCH GRN WHT GRN WHT G 2 4 5 6 1 3...

Page 18: ...uipped UPPER LIMIT SWITCH W G R Y BLU GRY WHT GRN BLK RED YEL ORG GRN BLU BLU BRN BRN BLK BLK WHT WHT COMBUSTION AIR SWITCH LOWER LIMIT SWITCH YEL WHT BLK RED BLOWER MOTOR TO EARTH GROUND NEUTRAL L1 115 VAC BLK SYSTEM SWITCH GROUND SCREW WHT WHT TRANSFORMER RED BLU COM 24 VAC RED BLK WALL THERMOSTAT TO A C CONDENSING UNIT if equipped GAS VALVE HOT SURFACE IGNITOR WHT HEAT ...

Page 19: ...home owner envelope with the furnace If Furnace Fails to Operate Properly 1 Check setting of thermostat and position of HEAT COOL switch if air conditioning is installed If a set back type thermostat is employed be sure that the thermostat is in the correct operating mode 2 Check to see that electrical power is ON 3 Check to see that the knob or switch on the gas control valve is in the full ON po...

Page 20: ... heat cool switch which must be turned to either HEAT or COOL to acti vate either heating or cooling operation or a positive OFF switch on the cooling thermostat When used in connection with a cooling unit the furnace shall be installed parallel with or on the upstream side of the cool ing unit to avoid condensation in the heat exchanger For installations with a parallel flow arrangement the furna...

Page 21: ...1 20 9951 1611 8 000 0 120 31 9951 1201 0 136 29 9951 1361 0 144 27 9951 1441 0 161 20 9951 1611 9 000 0 120 31 9951 1201 0 136 29 9951 1361 0 140 28 9951 1401 0 157 22 9951 1571 10 000 0 116 32 9951 1161 0 128 30 9951 1281 0 136 29 9951 1361 0 152 24 9951 1521 PROPANE GAS Elevation 56 000 Input 70 000 Input 77 000 Input 90 000 Input Orifice Dia Drill Size Part Orifice Dia Drill Size Part Orifice ...

Page 22: ...035 16328 002 Rev C 0902 22 Unitary Products Group REPAIR PARTS LIST ...

Page 23: ...73 19801 403 15 Ignitor Hot Surface 1474 052P 1474 052P 1474 052P 1474 052P 16 Filter 2 Req d 16x20x1 1214 2511 1214 2511 1214 2511 1214 2511 17 Panel Door Upper Accessory See Page 6 18 Panel Door Lower Tall 373 19801 740 373 19801 740 373 19801 740 373 19801 740 19 Motor See note 2 1468 220P 1468 220P 1468 220P 1468 220P 20 Assembly Motor Mount See Note 3 373 19806 100 373 19806 100 373 19806 100...

Page 24: ...Ignition Includes itemss 10 15 373 19801 403 373 19801 403 15 Ignitor Hot Surface 1474 052P 1474 052P 16 Filter 2 Req d 16x20x1 1214 2511 1214 2511 17 Panel Door Upper Accessory See Page 6 18 Panel Door Lower Short 373 19801 790 373 19801 790 19 Motor See Note 3 024 31948 000 024 31948 000 20 Assembly Motor Mount 21 Plug Connector 025 21192 000 025 21192 000 22 Capacitor Run 23 Wheel Blower 1472 2...

Page 25: ...11 1214 2511 1214 2511 17 Panel Door Upper Accessory See Page 6 18 Panel Door Lower Tall 373 19801 740 373 19801 740 373 19801 740 373 19801 740 19 Motor See Note 3 024 31948 000 024 31948 000 024 31948 000 024 31949 000 20 Assembly Motor Mount 21 Plug Connector 025 21192 000 025 21192 000 025 21192 000 025 21192 000 22 Capacitor Run 024 20045 000 23 Wheel Blower 1472 2761 1472 2761 1472 2761 1472...

Page 26: ...mit Switch Manual Upper 025 35358 000 025 35358 000 025 35358 000 025 35358 000 4 Assembly Booster w Motor 373 19801 820 5 Control Board Integrated 6 Valve Gas 7956 336P 7956 336P 7956 336P 7956 336P 7 Bracket Valve 073 19801 064 073 19801 064 073 19801 064 073 19801 064 8 Thermostat Heat Only Accessory See Page 6 9 Exchanger Heat w Gaskets 373 19804 651 373 19805 651 373 19806 651 373 19806 650 ...

Page 27: ...eat Cool 025 38251 000 025 38251 000 025 38251 000 Thermostat Heat Only 025 38252 000 Door Panel Upper 373 19802 010 373 19802 010 373 19802 010 373 19802 010 4 Ton Blower Ass y 7900 7741 A Motor 1468 220 1468 220 Run Capacitor 7 5 MFD 024 32020 000 024 32020 000 Motor Mount 373 19806 100 373 19806 100 Blower Wheel 1472 2761 1472 2761 5 Ton Blower Ass y 7900 7751 Motor 024 31975 000 024 31975 000 ...

Page 28: ...without notice Printed in U S A 035 16328 002 Rev C 0902 Copyright by York International Corp 2002 All rights reserved Supersedes 0035 16328 002 Rev B 1001 Unitary P O Wichita Products Box KS Group 19014 67204 9014 NOTES ...

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