Evcon DGAM Series, Installation Instructions Manual

Page 1: ...ll find obsolete parts In same cases the parts may still be available but under a new part number In other cases a generic part may be suitable for use For help in finding parts please visit our part...

Page 2: ...N TO INSTALLER DO NOT HI POT TEST THIS FURNACE IF HIGH POTENTIAL TESTS ARE REQUIRED ON THIS MANUFACTURED HOME THIS FURNACE MUST NOT BE SUBJECTED TO THE TEST MUST BE DIS CONNECTED FROM ALL ELECTRICAL W...

Page 3: ...acking the vent system check the rain caps Insure they are not damaged tilted or crooked Do not twist crush or sit on the roof caps during installa tion Damaged roof caps will cause improper furnace o...

Page 4: ...oper furnace operation The furnace will not heat properly and could result in explosion 3 After installing vent pipe on furnace top collar check to make sure there is no gap in back or side between th...

Page 5: ...CONNECTORS 10 DLAS SERIES FURNACES 11 DGAT DGAM SERIES FURNACES 12 CONNECTING ROOF JACK TO FURNACE 13 ELECTRICAL WIRING 14 Thermostat Wiring Four Wire for Heating Cooling 15 Thermostat Wiring For Heat...

Page 6: ...r Must indicate a requirement which is essential to satisfactory and safe product performance The words Should or May indicate a recommendation or advice which is not essential and not required but wh...

Page 7: ...with current CSA stan dard CAN CGA Z240 4 2 Installation Requirements for Propane Appliances and Equipment in Recreation al Vehicles Unit electrical wiring and grounding shall comply with current CSA...

Page 8: ...Figure 3 Application 1 b With two return air grilles in closet door the upper grille must have a minimum of 250 sq in of free area and must be placed in the upper half of the door so it is directly op...

Page 9: ...perating at high heat ing speed and the closet door closed is to be not more negative than minus 0 05 inch water column J For floor return systems the mobile home manufactur er or installer shall affi...

Page 10: ...STION AIR PIPE TO FURNACE COMBUSTION AIR COL LAR SCREW HOLES ARE PROVIDED IN THE PIPE AND COLLAR EXCESSIVELY LONG SCREWS MAY EXTEND TO FLUE PIPE AND PUNCTURE IT IF SUB STITUTE SCREWS ARE USED THEY MUS...

Page 11: ...e dimensions f th fl 4000B7121 91 to 102 are from the floor to the top side of 4000B7141 99 to 120 to the top side of the roof 4000B7151 106 to 132 See Figure 7 4000B7171 143 to 173 See Figure 7 4000B...

Page 12: ...l not be sufficient clearance to bend the tabs on two sides of the duct connector In such cases the tabs may be attached to the sides of the duct by using sheet metal screws or other suitable fasten e...

Page 13: ...M CON NECTOR INTO DUCT CUT OUT 2 BEND BOTTOM TABS OVER AND ONTO THE UNDERNEATH DUCT SERVICE FOR IMPROVED AIR SEAL DUCT CONNECTOR FLANGES MAY BE SEALED TO THE SUB BASE WITH ALUMINUM DUCT TAPE Follow th...

Page 14: ...hole and center floor cut out opening on template over duct Accurately cut floor cut out opening from tem plate mark floor opening remove template and cut floor on outside edge of marked line to allo...

Page 15: ...S IN FURNACE BASE APPLICABLE TO POSITION OF DUCT CONNECTOR TO FAS TEN DUCT CONNECTOR Figure 12 SECURE DUCT CONNECTOR TO FURNACE BASE WITH 4 SCREWS REFRIGERANT LINE OPENING FURNACE BASE BEND TABS OF DU...

Page 16: ...to the furnace combustion air collar using two 2 1 2 inch sheet metal screws Screw holes are provided in combustion air tube and furnace com bustion air collar See Figure 13 c Secure roof jack flashi...

Page 17: ...Run the 120 volt supply through the opening in the side of the furnace Join the electrical supply wires with suitable connectors to the electrical supply leads in the junction box Replace the junctio...

Page 18: ...ur conductor thermostat wiring to accommodate future air conditioning installations Thermostat wires at Furnace Control Box Connect to Condensing Unit Contactor Furnace Control Box Suitable connectors...

Page 19: ...18 WIRING DIAGRAMS DGAT Series Ground Screw To Earth Ground Ground Screw to Earth Ground...

Page 20: ...19 DGAM Series Ground Screw To Earth Ground Ground Screw to Earth Ground...

Page 21: ...20 DLAS Series Ground Screw To Earth Ground Ground Screw to Earth Ground...

Page 22: ...t more than 14 W C after furnace has been connected to fuel line Such testing could void the warranty Any test run above 14 W C may damage furnace control valve which could cause an explosion fire or...

Page 23: ...9951 0861 NATURAL GAS 56 000 Input 70 000 Input 75 000 Input 95 000 Input Elevation Output Orifice Drill Part Output Orifice Drill Part Output Orifice Drill Part Output Orifice Drill Part 0 2000 Facto...

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Page 25: ...24 LITHO IN U S A 3110 North Mead P O Box 19014 Wichita KS 67204 9014 Evcon Industries Inc 1973 081 Rev 2 8 94 P I Evcon...

Page 26: ...8 9 11 12 13 14 2 15 45 43 42 41 39 32 33 31 34 16 17 18 10 23 1 3 5 4 30 CODE USED ON MODEL NO REQ PART NUMBER DESCRIPTION VENDOR __ All X 8B2461 Enamel Spray 15 oz Almond 1 All 1 4000 Series Roof Ja...

Page 27: ...mit Switch O 145 C 115 EX 402 679 EX 402 680 30 All 1 7975 3771 A C Relay RBM 134 20103 301D 31 All 1 7970 5851 A Burner Assembly Less Gas Valve Includes Codes 12 13 17 32 All 1 1474 0521 Hot Surface...

Page 28: ...this furnace or any of its components Never attempt to repair damaged or inoperable components Such action could cause unsafe operation explosion and or fire or asphyxiation If a malfunction has occur...

Page 29: ...may result in unsafe operation explosion and or fire or asphyxiation See follow ing sections Gas Supply and Combustion Air The gas supply to your home will either be Nat Gas or Pro pane gas bottle gas...

Page 30: ...eration explosion or asphyxi ation To adjust the combustion air 1 Allow the burner to burn for about 10 MINUTES To light and operate furnace see label on furnace door 2 Look through the pilot access d...

Page 31: ...ircuit that powers the furnace controls and the blower motor The system switch must be turned ON for the furnace to operate Turn the switch to OFF when oiling the blower motor cleaning the blower etc...

Page 32: ...or attempted repair may result D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the cont...

Page 33: ...on air supply to the burner causing inefficient burner operation and pilot outage When the temperature is very cold near zero or be low it is recommended that the roof jack be in spected every day or...

Page 34: ...ted automatic damper P N 7900 6771 is available from fur nace manufacturer WARNING Fire or asphyxiation may result if wrong roof jack is applied or if the flue pipe and combustion air pipe have not be...

Page 35: ...re is considered a part of the installation process and is required to make the furnace operate properly These furnaces are shipped from the factory with a natural gas orifice If you will be operating...