Oil Furnace Mobile Home (OME)
Contents
1. FRONT 7 DOOR REMOVED E 9 i RETURN AIR Et ML RA Ps be FILTER OME UNIT j LOCATED BEHIND S 3 l i l l BLOWER f f l 1 i CONTROL PANEL l l x zT CENE NES l l l l L PRIMARY CONTROL RESET BUTTON I l l l l l l Ld Figure 9 C INSPECTION AREAS IMPORTANT For safe operation it is the responsibility of the owner and or user that the burner chimney vent pipe heat exchanger and controls should be inspected every year by a qualified heating contractor 1 VESTIBULE The furnace vestibule areas or burner compartment should be inspected by opening the lower front door of the furnace and looking for signs of excessive heat such as discoloration of components materials damaged from rust or2. FRONT DC FRONT SE 49 All installations and services must be performed by qualified service personnel TP 1406 AFG BURNER PART 380781 Replacement parts SO 80 A 380279 IT BURNER HOUSING ASSY AIR BAND ASSY AIR BOOT set 4 SCREN 1 0 G HOLE PLUG i o LIGNITER GASKET KIT J i O BLAST TUBE ee ne J eee O SE ELECTRODE NOZZLE ASSY 50
3. Increase the thermostat setting or create a call for heat c Read the value of the thermostat current in milliamps d Adjust the heat anticipator of the thermostat to the value read by the multimeter If the heat anticipator is set too high the furnace may delay activation of a heating cycle for too long If the heat anticipator is set too low the furnace may cycle too frequently Either condition may not provide optimal comfort to the homeowner 4 BLOWER CONTROLLER INFORMATION FOR PSC CTM MOTOR TERMINAL DEFINITIONS amp FIELD WIRING Burner Harness Connector P1 Pin 1 Limit switch connector Pin 2 120 VAC Line connection Pin 3 Burner pilot contact Pin 4 amp 5 120 VAC Neutral connections Pin 6 Burner pilot contact Pin 7 amp 8 From oil primary control Pin 9 Limit Switch Input LSI Field Wiring to Burner Pilot Tstat Neutral Line Harness Wires Yellow Wires White Red Beckett Connections T T terminals White Black Thermostat Humidistat connections C7 Common ground e Thermostat call for heat R 24 VAC to thermostat G Thermostat call for fan D ba Thermostat call for cool DEHUM Humidistat call for dehumidification TXV systems ONLY Male quick connect terminals S1 3 120 VAC Hot N1 7 120 VAC Neutral EAC Electronic Air Cleaner 120 VAC connection FAN Fan On Signal 23 All installations and services must be performed by
4. This is intended to give a quick visual indication of the High Limit switch 29 All installations and services must be performed by qualified service personnel WIRING DIAGRAM NOTES REPLACEMENT WIRE MUST BE TYPE 10 OR EQUIVALENT L1 LADDER DIAGRAM L2 ELECTRICAL SCHEMATIC 2 CONNECT HOT TO 1 AND COMMON TO 2 t COTTAGE USE ONLY ED VENT KIT REQ D FO STD B SET HEAT ANTICIPATOR AT 2 AMPS 4 USE COPPER CONDUCTORS ONLY 5 CL 1 T STAT C WIRE TO BE USED FOR ROOM AUX LIMIT SW CH SETTINGS OFF ON ON ro T ATEN W FF DELAY ON DELAY LIMIT SETT WH P sw2 2 SEC 4 3 MIN F F 30 EIE IS AUX F N 60 FACTORY E N 4 V V 7 5 EZ LIMIT TE ETE 5 o o ea N N N S a 1 i ca F4 D 3 Pi ce v 3 eost BURNER A C nat dcr T S Ch ee T L1 Tai L2 Tox X e 2R MOTOR 1 BL BL IGNITOR TRANSFORM
5. Y Try resetting the oil primary control While ignition electrodes Does the oil solenoid by depressing the RESET button are sparking does fuel valve have 120 VAC across it If this does not work replace the valve open during the ignition attempt oil primary Yes Yes Check wiring to fuel valve If valve does not open replace fuel valve 39 All installations and services must be performed by qualified service personnel No No Check the fuel supply Is oil present in Open all manual shutoff the fuel line at the valve valves serving the unit Purge any air in the fuel line After fuel valve opens does the burner ignite Are the ignition electrodes positioned correctly Reposition to correct location Check for blocked or severely worn burner nozzle Clean or replace as required Add or replace fuel and fuel filter Also check cad cell for proper operation Is the oil tank full of fuel Is the fuel clean without contaminates Is the fuel filter dirty Does the burner stay lit past proof of flame check Yes Check settings on fan timer against those Check wiring to Does the fan timer on connEgUon nne reste blower If okay energize the circulatin No diagram ls blower mee air blower Rae SEE air Hower after the 56 sli noperaole Is it 120 VAC switch to manual second time delay after time dela
6. E LEK VIOLET VALVE E LA M CAD H COA cL BECKETT OIL BURNER HEATING SPEED BY INPUT 5 OF A C LOW FIRE HI FIRE LING SPEED ML ML ML H 30 All installations and services must be performed by qualified service personnel 411 MA MUST BE TYPE 105 C AND COMMON TO 2 L1 LADDER DIA L2 ELECTRICAL SCHEMATIC CN BEHUMI 3 SET HEAT ANTICIPATOR AT 2 AMPS 4 USE COPPER CONDUCTORS ONLY TO BE USED FOR ROOM ECTIO BLOWER DELAY ITCH SETTINGS ON DELAY OFF DELAY H L3 211s 4 3 MIN RAE 7 FIET AUX FACTORY F N D FACTORY F N 4 LIMIT N F 120 N fF 6 o N TIN 240 N TNT 8 BK H BL M UNUSED PR UNUSED BURN CONT ER O L SEK e 120 VAC NEUTRAL orlBLe BL Jignitor SR BK VIOLET VALVE BECKETT OIL BL HEATING SPEED BY INPU TONS OF A C LOW FI
7. OFF 2 FACTORY SETTING ON OFF 4 OFF ON 6 ON ON 8 Table 11 ON and OFF Blower Delay Time Switch Settings Blower On and Off Delays Four Heat blower on and four blower off delays are selected by two dip switches for each function Refer to Table 11 for specific delay values 26 All installations and services must be performed by qualified service personnel OME 72D36 ALTERATIONS REQ D FOR A C DESIGN EXTERNAL STATIC PRESSURE COOLING HTG Speed by Input Recommended CLG UNIT Low Fire High Fire Speed 24 000 Low ML Med Low 30 000 Low ML Med High 36 000 Low ML High Speed Tap Static Furnace Airflow CFM vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 849 809 768 724 677 627 512 ML 1011 971 923 887 849 776 724 MH 1227 1200 1156 1145 1092 1004 923 High 1492 1443 1397 1354 1295 1195 1092 Blower Motor Current Draw Power pis Watts vs External Static pressure in Low 3 2 309 3 2 310 3 0 297 2 9 292 2 8 285 2 7 280 2 6 271 ML 4 0 400 4 0 394 3 9 386 3 7 374 3 5 364 3 4 352 3 3 343 MH 4 9 508 4 8 497 4 6 481 4 5 472 4 3 455 4 0 429 3 8 415 High 5 8 618 5 7 607 5 5 586 5 3 570 5 2 554 4 9 532 4 7 515 Speed Tap Static High Fire Temperature Rise vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7
8. See Diagnostic Features for a function description of operation C Operating Modes Standby Mode All outputs are off and the control is waiting for a thermostat demand The thermostat inputs and limit switch are continuously monitored The control initiates action when a thermostat call is received or limit switch opens Fan Mode A call for fan G is received from the thermostat If no other mode is calling for blower operation the control will operate the fan relay K4 and power the Low blower speed terminal The fan mode will be operated as long as the G input is calling and neither the Heat mode nor the Cool mode is calling for blower operation When the Heat and Cool modes call for blower operation their respective outputs will take precedence after their respective turn on time delays have expired Cooling Mode A call for cool Y is received from the thermostat If the heat mode is not active or the anti short cycle delay is not in effect the control will energize the CC terminal and after a 10 second power demand conservation delay energizes the COOL speed blower terminal When the call for cool is satisfied the CC terminal is de energized and the cooling off delay of 45 seconds is started Forty five seconds later the COOL speed blower terminal is de energized and the control reverts to Standby Mode Dehumidification Operation If a call for dehumidification is received whil
9. Z223 1 1996 NFPA 70 1996 are as follows a Combustible material materials made of or surfaced with wood compressed paper plant fibers or other materials that are capable of being ignited and burned Such materials shall be considered combustible even though flameproofed fire retardant treated or plastered All installations and services must be performed by qualified service personnel b Non combustible material material that is not capable of being ignited and burned such as material consisting entirely of or a combination of steel iron brick concrete slate asbestos glass and plaster This heating appliance must be installed with clearances to combustible material surfaces of not less than the minimum distances given below Also allow ample clearances for servicing the furnace for easy access to the air filter blower assembly burner assembly controls and vent connections MODELS OME CLOSET ALCOVE FRONT BACK SIDES ROOF JACK VENT CONNECTOR TOP PLENUM SIDES TOP AND SIDES OF DUCT BOTTOM OF DUCT All installations and services must be performed by qualified service personnel Ill FURNACE SPECIFICATIONS MODEL OME 72 Low Fire High Fire HEAT INPUT RATE BTUH 70 000 85 000 HEATING CAPACITY BTUH 60 000 72 000 BURNER NOZZLE GPH X ANGLE HOLLOW CONE 0 50X80 A 0 60X80 A OIL PUMP PRESSURE PSIG 120 VENT PIPE SIZE INCHES 4 DESIGN TEMPERATURE RISE F 66 MINIMUM RETURN AIR T
10. air movement through this type of passageway If the combustion air is preferred thru the roof then kit AOPS7512 is required The radiator hose is then placed over the Beckett boot opening and the hose is clamped over the radiator hose and boot adapter Attach the other end to the 2 1 2 combustion air pipe that now protrudes out of the lower right separator panel with remaining clamp An alternate installation method would be to secure the 2 pvc street ell to the metal combustion air pipe Insert the male end with silicone sealant and then secure with a tek screw Cut the 3 flex hose to length and attach it with clamp to female end of street ell Attach the other end to burner air boot as described earlier 17 All installations and services must be performed by qualified service personnel 1 FURNACE BURNER BOOT RADIATOR HOSE COMBUSTION AIR PIPE OPTIONAL KIT PVC STREET ELL eS ie HOSE CLAMP HOSE CLAMP ADAPTER AIR INLET OPENING _ FLOOR LR TRANSITION e ms b De X BOOT KH N S 7 p oed d ns V a NN p K L e MOBILE HOME UN NS SKIRTING S p d OPTIONAL INTAKE HOOD SCHEDULE 20 nr SMOOTH lt GALVANIZED DUCT 90 PVC ELBOW Np UR SCHEDULE 20 OPTIONAL TRANSITION BOOT w SCREEN Fu 58419 wA P N AO Figure 6 18 All installations and services must be performed by qualified service pers
11. c Connect the Hot wire to the black wire marked L3 d Connect the Neutral wire to the white wire marked L e Connect the ground wire to the ground lug 3 Connection Of Thermostat Wires NOTE Class 1 thermostat wire must be used inside the furnace burner compartment a Insert 24 VAC wires through the plastic grommet on the left side of the furnace casing b Connect the thermostat wires to R and W for heating c Connect the thermostat wires to the room thermostat IMPORTANT The room thermostat should be installed 4 to 5 feet above the floor on interior wall which is relatively free from direct sources of heat sunlight or supply airflow or exposure to cold drafts from open windows and doors The nominal anticipator setting is 0 2 amperes refer to the thermostat literature for additional information Four conductor thermostat wire is recommended for 24 VAC low voltage control circuit wiring Only 2 wires are required for the furnace a heating application only Maximum Recommended Electrical Wire Diameter Thermostat Wire Length AWG feet 24 55 22 90 20 140 18 225 22 All installations and services must be performed by qualified service personnel Once the furnace is installed check the thermostat heat anticipator the proper nominal setting a Connect a multimeter capable of reading milliamps mA in series with the low voltage wires to the thermostat b
12. corrosion soot or carbon build up 46 All installations and services must be performed by qualified service personnel 2 EXTERIOR OF FURNACES The furnace exterior should be inspected for signs of excessive heat such as discoloration of materials or damage from rust or corrosion 3 VENT CONNECTOR The furnace vent pipe should be inspected for signs of rust corrosion pitting or holes in the pipe Check for leakage around seams in pipe indicated by soot or condensate streaks 4 ROOF JACKS The furnace roof jack should be inspected for signs of rust or corrosion pitting or holes signs of excessive condensation or moisture leaking from roof jack D FILTER LOCATION AND CLEANING The air filter should be inspected each month and cleaned when dirty Cleaning the air filter frequently may prevent airborne contaminants from going through the furnace and depositing in the furnace duct system and interior of the building See Figure 9 in this section for the location of the return air filter E CONTACT INFORMATION INSTALLATION SERVICE Installed by Date Installed Contact Information 47 All installations and services must be performed by qualified service personnel APPENDIX A REPLACEMENT PARTS LIST B S y 2 ao o 2 amp E lt i f CEN ET S e S G C 3 Dot w u S Ke QU Saas V ND o r N zZ o amp B oO N N o 82 a gt o J EN 2 PA VE
13. furnace blower shall create no more than a 0 05 inch water column pressure differential between the closet and the adjoining space Figure 5 1 The return air opening into the closet is to have a minimum free area of 250 square inches refer to Figure 5 Figure 4 OR IN CLOSET DOOR LOCA TOP CENTE AT BOTTOM 15 TOP CLEARANCE CINCH TOP CLEARANCE 1 INCH 7 M J All installations and services must be performed by qualified service personnel 2 The return air opening may be located in the top the center or ideally the bottom of the closet door or side wall AWARNING Do not obstruct any return air openings including the return grille on the furnace To do so may cause the furnace to activate the high temperature limit and shutdown or it may cause asphyxiation 3 The cross sectional area of the return air duct leading into the closet when located in the floor or ceiling shall not be less than 250 square inches 4 The total free area of openings in the floor or ceiling registers serving the return air duct system must be at least 350 square inches At least one register must be located where it is not likely to be covered by carpeting boxes furniture or any other objects 5 Materials located in the return duct system must have a flame spread classification of 200 or less 6 Pans made of a non combustible material ha
14. is made to light this burner NOTE For the sequence of burner operations see individual burner manual To successfully service and initially set up this furnace you must use the following instruments Items a d apply to both oil and gas furnaces item e applies to gas units only and items f h applies to oil units only a Carbon dioxide CO or oxygen O2 analyzer b Flue gas thermometer range 100 F to 1000 F and temperature measuring device range 40 F to 240 F for return and supply air temperatures c Carbon monoxide CO detector Electrical multimeter e Liquid U tube type manometer or equivalent pressure measuring instrument range 0 28 in W G f Smoke spot tester or equivalent smoke density measuring device g Oil pressure gauge range 0 150 PSIG h Vacuum gauge range 0 30 in W G vacuum gt Turn the main service switch that provides power to the furnace to the off position Set thermostat above room temperature Open all fuel supply valves Bleed air out of fuel supply line if not already completed for oil power must be on to the burner and the pump must be operating to expel air in the supply line When ignition is established if necessary make a preliminary burner air adjustment to attain a clean combustion flame one which does not create smoke by eye The flame may be viewed through the overfire inspection cover see exploded diagram of replacement
15. normal comfort range is between 70 F to 100 F A lower temperature rise usually results in a higher system efficiency ANCAUTION If the temperature rise exceeds 100 F the heat exchanger may fail voiding the heat exchanger warranty resulting in property damage personal injury or loss of life M FLUE GAS COMBUSTION ANALYSIS AWARNING Burner adjustments must be confirmed by instrumentation Failure to use accurate or calibrated instrumentation to correctly setup the burner may result in reduced efficiency sooting and or the production of hazardous carbon monoxide gas 34 All installations and services must be performed by qualified service personnel For typical burner combustion analysis results refer to the table below BURNER COMBUSTION PARAMETERS FURNACE MODEL OME 72 LOW FIRE HIGH FIRE FUEL TYPE 1 OR 2 FUEL OIL 1 OR 2 FUEL OIL CO CARBON MONOXIDE 50PPM OR LESS 50PPM OR LESS L SMOKESPOTRATNG 0 00 35 All installations and services must be performed by qualified service personnel V DEALER MAINTENANCE THIS SECTION IS ONLY TO BE PERFORMED BY TRAINED QUALIFIED SERVICE PERSONNEL AND NOT BY THE FURNACE OWNER A TROUBLESHOOTING Note Check diagnostic code through view port prior to removing doors ACAUTION When testing electrical equipment always follow standard electrical procedures and precautions 1 Check for line voltage 110 120VAC to the furnace If there is no line voltage applied
16. parts for location identification After the furnace is warmed up to a steady state condition about 15 minutes the final burner adjustment should be made using combustion instrumentation for measuring carbon dioxide CO2 or oxygen O2 carbon monoxide CO smoke and stack temperature In order to achieve the most efficient combustion possible the following steps must be taken IMPORTANT To achieve proper combustion and efficiency instruments must be used to secure CO O2 and CO readings 1 CARBON DIOXIDE CO or OXYGEN O2 Take a CO sample from the flue pipe or vent connector at a position close to the furnace It is possible to achieve relatively high CO or low O2 readings with low stack temperatures to produce maximum 33 All installations and services must be performed by qualified service personnel combustion efficiency However the CO2 and O2 values recommended are slightly less though this means slightly lower efficiency to allow the burner to better tolerate adverse operating conditions such as a cold heat exchanger downdraft conditions heating content changes in the fuel This working tolerance means less service and maintenance during heating seasons as well as a reduced chance of producing carbon monoxide under adverse conditions 2 CARBON MONOXIDE CO As described above take a flue gas sample from the flue pipe or vent connector at a position close to the furnace The amount of CO generated by combu
17. 20 VAC replace aux high limit thermostat Else replace high limit thermostat 37 All installations and services must be performed by qualified service personnel Correct wire connections Are the thermostat wires connected properly Yes Yes Is the oil primary control Yes supplying 24 VAC to the Replace thermostat thermostat No Try resetting the oil primary control Replace the oil primary control if necessary Is the oil primary ivi Is there combustion No Is there 120 VAC across No pa reg USE airflow to the furnace the burner motor ESEL primary CONO resetting the primary does not work replace control Yes Is the blower impeller spinning If so check for blockages in or a collapsed air duct Is the air boot shutter open adequately Yes Yes Check wiring to burner motor If okay replace burner motor 38 All installations and services must be performed by qualified service personnel Try resetting the oil primary After pre purge does the No oil primary produce a Ne Is there 120 VAC across ee ne S spark at the the ignition transformer i function If all else fails ianiti 2 ignition electrodes replace the oil primary Yes Yes T Check wiring to the ignition transformer and the electrodes Also check ignition electrode gap Reset if necessary Replace electrodes or ignition transformer
18. EMP F 50 SEASONAL EFFICIENCY AFUE 86 Burner shipped with 0 60x80 A nozzle AFUE INCLUDES STEADY STATE THERMAL EFFICIENCY AND OFF CYCLE LOSSES ELECTRICAL RATINGS AND SETTINGS ELECTRICAL SUPPLY 120 VAC 60HZ 1 PHASE MAXIMUM TIME DELAY TYPE FUSE OR HACR BREAKER RATING 15 AMPS TOTAL RATED CURRENT AMPS 10 3 NOMINAL HEAT ANTICIPATOR SETTING 0 2 mA DIMENSIONS amp WEIGHTS CABINET WIDTH 18 IN DEPTH 24 3 4 IN HEIGHT 57 IN NO 70 MOBILE HOME BASE WIDTH 18 5 16 IN DEPTH 24 IN HEIGHT 4 IN WARM AIR DUCT WIDTH 12 IN DEPTH 12 IN HEIGHT 14 La IN COTTAGE BASE WIDTH 18 3 16 IN DEPTH 24 IN HEIGHT 14 IN FILTER QUANTITY amp SIZE 1 18 IN x 24 IN x 1 IN EA APPROXIMATE SHIPPING WEIGHT 240 LBS BURNER DATA OME 72 MANUFACTURER R W BECKETT CORP MODEL AFG AIR TUBE LENGTH IN 3 HEAD DESIGN F 3 REFRACTORY TYPE ISOFORM SOFT FIBER OIL PUMP PRESSURE P S I G 120 All installations and services must be performed by qualified service personnel FOR BURNER COMBUSTION INFORMATION REFER TO SECTION M FLUE GAS COMBUSTION ANALYSIS BLOWER DATA FURNACE MODEL OME 72D36 OME 72T36 BLOWER MODEL 12 9T 12 9T MOTOR H P 15 HP 15 HP NO OF SPEEDS 4 5 HIGH SPEED AIRFLOW SCFM 0 5 IN W G EXTERNAL STATIC PRESSURE Diss 1189 DIAMETER X WIDTH 12x9 12x9 ALL SPECIFICATIONS ARE SUBJECT TO CHANGE WITHO
19. FER TO NF CONTROL PANEL N PROPER VENT s CONTROL PAN AA OPER VENT FILL S OIL TANK SEE FURNACE PER FT RATING LABEL T av 1 FOR FUEL OIL GUN BURNER d l FLOOR N FLOOR CAVITY lt 7 Figure 7 J ELECTRICAL WIRING All electrical wiring must be installed in strict accordance with local ordinances and codes In the absence of local ordinances and codes all electrical wiring must conform to the requirements of the National Electric Code ANSI NFPA 70 1999 or latest edition 21 All installations and services must be performed by qualified service personnel ANCAUTION When testing electrical equipment always follow standard electrical procedures and precautions 1 Electrical Branch Supply Circuit Route all electrical wiring to the left side of the furnace The power supply circuit to the furnace must be installed and grounded in accordance with the provisions of the National Electrical Code ANSI NFPA 70 1999 or latest edition and all local codes having jurisdiction Electrical Branch Supply Circuit provisions of the Canadian Electrical Code Part 1 shall be observed and followed where applicable 2 Connection Of Power Supply Wires a Remove the furnace control panel cover b Insert 120 VAC wires through the strain relief bushing or conduit connection as applicable on the left side of the furnace junction box
20. HYXIATION Negative pressure inside the closet with closet door closed and the furnace blower operating shall be no more negative than minus 0 05 inch water column AWARNING Do not obstruct any return air openings including the return grille on the furnace To do so may cause the furnace to activate the high limit and shut down or it may cause asphyxiation ANWARNING All local codes and ordinances take precedence with regard to tank and oil lines All lines must have shutoff valves a good pipe joint compound approved for use with oil on all pipe threads no kinks no sharp bends and be properly tested for leaks Flare fittings are recommended for tubing ANCAUTION Do not use motor oil or any fuel heavier than No 2 fuel oil All installations and services must be performed by qualified service personnel A WARNING If you suspect there is a problem with the furnace the venting system or any other related problem immediately contact a qualified service agency If a service agency is not available contact your fuel supplier AWARNING Personal injury or property damage could result from major repair or service of this furnace by anyone other than a qualified contractor Only the routine maintenance described in the user section of this manual should be performed by the user AWARNING The area around the furnace should be kept free and clear of combustible materials especially papers and rags ANWARNING Never burn garbage or refus
21. High 4 4 366 4 5 372 4 5 373 4 6 383 4 7 390 4 7 397 4 8 404 Speed Tap Static High Fire Temperature Rise vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 78 84 91 100 112 128 151 ML 66 69 74 78 83 92 101 MED 63 66 69 73 76 82 89 MH 58 59 62 65 68 71 76 High 50 51 53 55 57 59 61 Speed Tap Static Low Fire Temperature Rise vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 64 69 75 83 93 105 125 ML 55 57 61 65 69 76 83 MED 52 54 57 60 63 68 74 MH 47 49 51 54 56 59 63 High 41 42 44 45 47 49 50 28 Recommended operation range All installations and services must be performed by qualified service personnel TROUBLE SHOOTING DIAGNOSTIC FEATURES The control board is equipped with 4 green Input Status LEDs and 1 red Board Status LED These are intended to provide a quick view into furnace performance without requiring a voltmeter The green Input Status LEDs are driven by the Y W G and DEHUM inputs and are located directly below those inputs They will light to indicate the presence of these signals The red Board Status LED has two functions It will light when the board recognizes a valid input signal and will stay lit until all valid signals are removed This is intended to show that the board is functioning and able to respond to input signals It will flash rapidly while 120VAC is missing from the LIMIT switch
22. IBUTION DUCT Figure 3 Slit the corners of connector duct down to the top of the base assembly If metal projects more than 1 inch above the top of the base assembly trim the flanges down to 1 inch While the top of distribution duct is being pulled up with one hand bend down each side of the connector duct tightly to the base assembly with the other hand This assures a tight connection between the base assembly and the connector duct and that the distribution duct will be full size Use high temperature tape and or high temperature silicone caulking on all joints and seams to minimize air leakage Secure the base assembly to the floor with two screws in the front flange 2 Cottage Base Model 01 COT BASE The 01 COT BASE cottage base Figure 1B is required for a freestanding cottage base installation The cottage base is designed to permit the installation of an 8 inch x 12 inch register in each of the two side panels and the rear panel This allows combustion air to be drawn from outside or inside the structure whichever is appropriate or permissible See section G COMBUSTION AIR for further details regarding combustion air requirements 13 All installations and services must be performed by qualified service personnel IMPORTANT Adequate combustion air must be provided under all circumstances If the underside of the home is skirted or enclosed e g by an enclosed crawlspace the combustion air intake should exit th
23. INS 42 J m NX NA AUX LIMIT NOT SHOWN 86 Ye ru N ie j LT 7 gt ZA 3 6 7 7 T Ss M Sf Will TINT 77777777777 LE Gj CU M S d o LA k Do 3 S Y 1 Eg za ay S id A 8 8 Gr Ne 48 All installations and services must be performed by qualified service personnel UNIT OME 72 OME 72 PART NO QTY UNIT PARTS DESCRIPTION PART S PACKAGE QTY QTY 2 FILTER ER NLET ADAPTER 3 CLEAN OUT TRIM PLATE 2 2 39B FLEX HOSE 3 4 OVER F FT OPENING COVER 39C HOSE CLAMP 3 1 2 7 2 5 FLUE BLO OZZLE 6 A E 2 2 39E CABLE FITTING 39F PVC STREET ELL 2 8 HEAT EXCHANGER ASSEMBLY 39G RADIATOR HOSE 4100 410017 9 HIGH LIMIT SWITCH 9C HOSE CLAMP 3 2 2 0 40 CLEAN OUT PLUG ASSEMBLY 2 2 41 OIL BURNER AFG TP1406 2 42 NOZZLES BECKETT AFG 6 CONTROL BOARD 20 ER PAN 21 CAM 22 BURNER MOUNTING PLATE GASKET 23 TRIM PLATE GASKET 2 2 24 DRAFT COVER OPENING GASKET 25 JG 2 2 26 PERMANENT FILTER 27 ON CHAMBER SOFT TOP PAN
24. Low 80 84 88 94 100 108 132 ML 67 70 73 76 80 87 94 MH 55 56 59 59 62 67 73 High 45 47 48 50 52 57 62 Speed Tap Static Low Fire Temperature Rise vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 66 69 73 77 82 89 109 ML 55 57 60 63 66 72 77 MH 45 46 48 49 51 56 60 High 37 39 40 41 43 47 51 Recommended operation range 27 All installations and services must be performed by qualified service personnel OME 72T36 ALTERATIONS REQ D FOR A C DESIGN EXTERNAL STATIC PRESSURE HTG Speed by Input COOLING UNIT Low fire High Fire Recommended CLG Speed Color 24 000 Low Med Med ML 30 000 Low Med MH 36 000 Low Med High Speed Tap Static Furnace Airflow CFM vs External Static pressure in WC Pressure 0 1 0 2 0 3 0 4 0 5 0 6 0 7 Low 873 807 746 677 602 531 448 ML 1024 975 916 863 812 739 671 MED 1081 1032 980 931 886 1823 757 MH 1175 1138 1091 1041 991 950 887 High 1360 1320 1279 1233 1189 1148 1107 Motor Current Draw Amps Watts vs External Static pressure in WC Low 1 6 111 1 6 116 1 7 121 1 7 126 1 8 130 1 8 135 1 9 141 ML 2 2 166 2 3 172 2 3 178 2 4 183 2 5 189 2 5 195 2 6 200 MED 2 5 193 2 6 200 2 7 206 2 7 212 2 8 217 2 9 224 2 9 230 MH 3 1 246 3 2 250 3 8 257 3 3 263 3 4 269 3 5 275 3 5 282
25. RE HI FIRE COOLING SPEED M M ML M MH M H 31 All installations and services must be performed by qualified service personnel K BURNER INSTALLATION The burner mounts to the furnace on three mounting bolt studs located on the burner mounting plate in the lower portion of the vestibule directly in front of the heat exchanger The burner insertion depth has been fixed by the factory for the design specified combination of the air tube length and the combustion chamber used with the furnace The combustion chamber is pre positioned during the assembly process and held in place by the drum and mounting plate The burner insertion depth is not field adjustable Should access to the chamber be necessary refer to the exploded diagram in the back of this manual to identify replacement parts To install and ready the burner for firing follow the steps below for both furnace models 1 With electrical power connected to the furnace turn off all electrical power to unit 2 Remove the front lower access panel 3 Mount the burner to the furnace Install the flange gasket over the mounting studs and secure the burner flange to the furnace using hex head machine screw nuts provided in the Parts Kit 4 Connect the red and white wires from the burner harness to the black red and white burner power leads found underneath the primary control Then connect the two yellow wires to
26. RVICE OR MAINTENANCE THESE INSTRUCTIONS MUST BE LEFT WITH THE USER AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL THERMO PRODUCTS LLC IL ALI POST OFFICE BOX 217 c Us Pa mat CERTIFIED NORTH JUDSON IN 46366 tame PHONE 574 896 2133 intertek MO 487 ECN 5411 MA 150715 MADE IN USA All installations and services must be performed by qualified service personnel I SAFETY SECTION This page and the following two pages contain various warnings and cautions found throughout this furnace Service and Installation Manual Please read and comply with the statements on the cover and the statements below A WARNING All local codes and ordinances must be followed with regard to the oil tank and oil lines All lines must have shut off valves use a proper pipe joint compound specified for use with oil on all pipe threads no kinks no sharp bends and be properly tested for leaks Flare fittings are recommended for tubing ANWARNING This furnace is not to be used as a construction heater A WARNING DO NOT RUN THE OIL PUMP DRY FOR MORE THAN FIVE MINUTES ANWARNING When testing electrical equipment always follow standard electrical procedures and precautions ANWARNING The heat exchanger must be cleaned by a qualified service person AWARNING The area around the furnace should be kept free and clear of combustible materials especially papers and rags A WARNING NEVER burn garbage or refuse in you
27. SECTION SAFETY SECTION GENERAL INSTRUCTIONS AND CLEARANCES FURNACE SPECIFICATIONS INSTALLATION ROOFJACK STANDARD CHIMNEY FURNACE LOCATION BASE INSTALLATION 1 Combustible Floor Base Model 70 BASE 2 Cottage Base Model 01 COT BASE ALCOVE INSTALLATION CLOSET INSTALLATION COMBUSTION AIR FUEL PIPING 1 Oil Tank and Piping ELECTRICAL WIRING 1 Electrical Branch Supply Circuit 2 Connection of Power Supply Wires 3 Connection of Thermostat Wires 4 Blower Controller Information for PSC CTM Motor 5 Wiring Diagram K BURNER INSTALLATION L BURNER OPERATION AND ADJUSTMENT M FLUE GAS COMBUSTION ANALYSIS DEALER MAINTENANCE A TROUBLESHOOTING B CAD CELL CHECKOUT PROCEDURE C HEAT EXCHANGER CLEANING INSTRUCTIONS D CLEANING OR REPLACING FLUE PIPES E EXTENDED SHUTDOWN AND RESTART USERS INFORMATION SECTION A WARNINGS amp CAUTIONS B COMPONENT LOCATIONS C INSPECTION AREAS D FILTER LOCATION AND CLEANING E CONTACT INFORMATION G 09 mum APPENDIX A REPLACEMENT PARTS LIST BEGINNING PAGE 1 6 8 10 10 10 10 11 11 13 15 15 16 19 19 21 22 22 22 23 30 32 32 35 36 37 42 42 44 44 45 45 46 46 47 47 48 All installations and services must be performed by qualified service personnel Il GENERAL INSTRUCTIONS AND CLEARANCES NOTE READ THIS SECTION BEFORE STARTING INSTALLATION 1 The selection of a furnace heating capacity for a proposed installation should be based on a heat lo
28. Thermo Pride lt OIL FIRED FURNACE DOWN FLOW amp DIRECT VENT SEALED COMBUSTION MODEL OME 72D36 OME 72T36 INSTALLATION AND SERVICE MANUAL For installation in 1 Manufactured Homes 2 Modular Homes Buildings 3 Site Construction Residential FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e If you cannot reach your gas supplier call the fire department ANWARNING jf the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or loss of life AWARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or fuel supplier AWARNING Do not use this appliance if any part has been underwater Immediately call a qualified service technician to inspect the appliance and to replace any part of the electrical or control system that has been underwater PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION INITIAL FIRING AND BEFORE PERFORMING ANY SE
29. UT NOTICE All installations and services must be performed by qualified service personnel IV INSTALLATION A ROOF JACK The roof jack assembly and accessories must be listed by a nationally recognized testing agency for the appropriate fuel The roof jack assembly must be installed according to the vent manufacturer s instructions prior to the furnace installation Refer to Figure 2 for flue location on furnace Adapters for pitched roofs as well as extended barrel length roof jacks are available from Thermo Products All vent seams and connections must be sealed with high temperature silicone caulk and or high temperature aluminum tape B STANDARD CHIMNEY When installed as a central furnace special type for single story dwelling venting into a metal vent system approved by a nationally recognized testing agency for the appropriate fuel type is permitted Lined masonry chimneys are acceptable when sized appropriately The minimum chimney size should equivalent to the inside free area of the 4 inch diameter vent collar exiting the furnace or 12 5 square inches Maximum chimney sizes and acceptable installation practices are referenced in the following publications In lieu of local codes when installing the OME 72 with fuel oil refer to the latest edition of the installation standard NFPA 31 Installation of Oil Burning Equipment Notice Blocked Vent Switch Installation for cottage type homes or non mobile home type dwellin
30. a crawlspace the combustion air intake should exit through the skirting or enclosure if at all possible All joints and seams of supply ducts and combustion air ducts must be closed with a sealing method suitable to the application conditions and temperatures e g high temperature silicone caulk and or aluminum tape Notice If desired combustion air can be brought in thru the roof of the dwelling and into to the furnace cabinet with Thermo Products Kit AOPS7512 See your local Thermo Pride representative for details or call customer service 12 All installations and services must be performed by qualified service personnel If the combustion air passageway cannot terminate outside of the skirting or enclosure a permanent opening with a minimum of 50 square inches of unobstructed infiltration free area for ventilation air must be provided for adequate combustion This permanent opening must be located no less than 12 inches from the bottom of the enclosure or skirting TOP VIEW ALTERNATE BENT CONNECTOR TO DI W ALTERNATE TABS 2 PUN BAO DUCT OPENING e L5 1 EEE VZV V DISTRUBUTION 4 REQUIRED 1 EACH N S SIDE ATT N p T B DUCT CONNEC T T wae EL NNR j ux FLOOR 2 0 BASE Ny X He FLOOR JOIST X CONNECTOR DUCT A DY a DISTRIBUTION DUCT DISTR
31. cted Burner Check for correct operation deficiencies Do not attempt to make proper combustion no fuel leakage repairs yourself and replace burner oil filter Further owner and heating servicer responsibilities are detailed in the printed information provided with the Br leur V rifier le fonctionnement 7 correct la combustion l absence de Les autres responsabilit s du fuite de combustible et remplacer le propri taire et du technicien en furnace filtre mazout du br leur chauffage sont d taill es dans les renseignements imprim s fournis avec la fournaise 390296 m HAZARDOUS VOLTAGE TENSIONS DANGEREUSES Avoid contact with exposed live voltage terminals Do not viter le contact avec les terminaux de tension tait expos e bypass or disconnect limit Turn off power prior to service Ne pas contourner ou se d connecter de limite Coupez courant avant de service Failure to do so may result in property damage injury or M loss of life Omission de le faire peut entra ner perte de vie des m blessures ou des dommages la propri t 89580 LC icanon ATENIN ROTATING FAN BLADE PALE DE VENTILATEUR EN ROTATION To avoid injury from hot or moving parts shut off the furnace and allow to cool before Pour viter d tre bless par des pi ces chaudes ou en rotation arr ter la fournaise removing this door et attendre qu elle refroidisse avant de retirer cette porte When it beco
32. damage to the equipment REBOUCHER LES ORIFICES D ACC S L CHANGEUR DE CHALEUR Regards de visite accessibles uniquement au personnel d entretien qualifi L acc s aux regards de visite peut n cessiter la d pose du panneau V rifier que les couvercles et ou joints des regards de visite sont en bon tat et bien en place pour assurer l tanch it avant d utiliser la fournaise UTILISEZ UNIQUEMENT DES CONDUCTEURS EN CUIVRE Les bornes de l unit ne sont pas con ues Le non respect de cette consigne peut provoquer des dommages mat riels ou la d t rioration de l quipement ne pour accepter d autres types de conducteurs Le non respect de cette consigne pourrait entra ner des dommages mat riels L sar FOR LIGHTING OPERATING AND SHUTDOWN INSTRUCTIONS REFER TO THE MOBILE I al To reduce the risk of fire do not store or use gasoline or other flammable vapors and liquids in the vicinity of the furnace NINC LD BE USED IN CLEA G FURNAC AVOID AVUID gt Le NER 390450 Afin de r duire le risque d incendie ne pas stocker ou utiliser de l essence ou d autres vapeurs inflammables et liquides dans les environs de la fournaise Ils JE A S IN VOU 390351 zi All installations and services must be performed by qualified service personnel IL III IV VI TABLE OF CONTENTS
33. e in your furnace Never try to ignite oil or gas by tossing burning papers or other material into your furnace ACAUTION Do not attempt to start the burner when 1 Excess oil or gas has accumulated 2 The furnace is full of vapors 4 The combustion chamber is very hot If one or more of these conditions exist contact a qualified service person ACAUTION Do not block or obstruct air openings on the furnace or air openings communicating with the area in which the furnace is installed ANCAUTION Do not allow the outside air intake to be blocked or obstructed by vegetation ice snow or any other materials A WARNING Do not use this furnace if any part has been underwater Immediately call a qualified service agency to inspect the furnace and to replace any part of the electrical or control system which has been underwater AWARNING Should overheating occur or the fuel supply fail to shut off shut off the manual fuel supply valve to the furnace before shutting off the electrical supply All installations and services must be performed by qualified service personnel This page and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Oil Furnace Please read and comply with the contents of these labels ANNUAL SERVICE REQUIRED The following items should be Chimney Vent Pipe inspected every year by a qualified Inspect for restriction loose joints heating servicer S
34. e the Cool Mode is active blower speeds will be reduced The PSC COOL blower speed terminal 1158 100 model only will be de energized and Low blower speed will be energized Anti Short Cycle Operation To prevent compressor short cycling a call for cooling will be ignored for four minutes after the termination of any cooling call The anti short cycle delay is also in effect at power up 25 All installations and services must be performed by qualified service personnel Heat Mode When a call for heat W is received from the thermostat if the Cool mode is not already active the T T terminal is energized and the blower on delay is started The on off pattern of DIP switch SW2 positions 1 and 2 select one of four blower on delay values see Table 11 When the delay time has elapsed the HEAT blower speed is energized The control remains in steady heat mode until the thermostat is satisfied When the call for heat signal is removed the T T terminal is de energized and the blower off delay is started The on off pattern of DIP switch SW2 positions 3 and 4 select one of four blower off delay values see Table 11 When the delay time has elapsed the HEAT blower speed terminal is de energized DIP SWITCH 2 SECTION STATE BLOWER DELAY TIMES 1 2 3 4 ON SEC OFF MIN OFF OFF 30 FACTORY SETTING ON OFF 60 OFF ON 120 ON ON 240 OFF
35. e vent pipe connection it is now possible to use a long flexible wire brush and an industrial type vacuum cleaner to remove any soot build up NOTE A one inch outside diameter vacuum cleaner hose will fit into the radiator 42 All installations and services must be performed by qualified service personnel To vacuum and brush the outer radiator of the heat exchanger go through the cleanout openings in both directions as shown in Figure 8 a OUTER RADIATOR l NCLEAN OUT OPENINGS CLEANOUT PLUG 2 PLACES EN gt do Wa D Figure 8 Reassemble the furnace to the original factory built condition Remount the burner being certain that the air tube is properly inserted into the chamber opening If heavy soot deposits were found in the heat exchanger this indicates that the burner may be out of adjustment Reset the burner as indicated under the BURNER OPERATION AND ADJUSTMENT SECTION L AWARNING Do not start burner unless blower door is secured in place 43 All installations and services must be performed by qualified service personnel D CLEANING OR REPLACING FLUE PIPES Flue pipes should be inspected during the annual maintenance check up or during each subsequent service call Check all flue pipes for restrictions due to soot or carbon build up as well as foreign matter or any materials that cause the ve
36. gs The blocked vent switch kit must be installed to comply with CAN STD B140 4 where applicable For installation instructions see AOPS2686 kit C FURNACE LOCATION 1 For best performance locate the furnace so that it is centralized with respect to the duct system 2 This furnace is only intended for installation with free air return through the furnace door louvers DO NOT connect a ducted return air system directly to the furnace Improper installation may create a fire hazard and damage internal equipment as well as void all manufacturer s warranties 3 This furnace may be installed on combustible flooring when utilizing either the No 70 counterflow floor base for below the floor duct systems or with the cottage base for floor level air distribution See Figures 1 for depictions of the No 70 and the cottage bases 10 All installations and services must be performed by qualified service personnel 4 This furnace is ETL listed for closet alcove or freestanding applications All applications must comply with the requirements of this manual Combustible Floor Base Model 70 BASE Figure 1A m 7 CONNECTOR DUCT 12x12x14 IBUSTION AIR DUCT Cottage Base Model 01COT BASE Figure 1B D BASE INSTALLATION 1 Combustible Floor Base Model 70 BASE All installations and services must be performed by qualified service personnel Use the base bottom panel as a template t
37. hut off power abnormal carbon build up and before inspecting Correct any condensation deficiencies at once Failure to do so may result in injury property Controls Check for correct operation damage or loss of life and proper settings if manually adjustable ENTRETIEN ANNUEL NECESSAIRE Les composants suivants doivent Chemin e tuyau d vacuation V rifier tre inspect s chaque ann e par un la pr sence de restrictions joints technicien en chauffage qualifi d grad s accumulation anormale de Couper l alimentation lectrique calamine et condensation avant l inspection Corriger imm diatement tous les d fauts Le Commandes V rifier le non respect de cette consigne fonctionnement et les r glages s ils pourrait causer des dommages sont manuels mat riels des blessures ou m me la mort Le propri taire devra galement effectuer des inspections visuelles changeur de chaleur V rifier la p riodiques pendant la saison de pr sence de corrosion piq res chauffage Appelez un technicien fissures d t rioration calamine et qualifi en chauffage pour l informer joints d grad s de d fauts ventuels N essayez pas de r parer vous m me Heat Exchanger Inspect for corrosion pitting warpage cracks Periodic visual inspections should also deterioration carbon build up and be made by the owner during the loose gaskets heating season Call a qualified heating servicer to report suspe
38. llation adjustment alteration service or maintenance can cause injury or property damage Refer to the user s information section in the manual For assistance or additional information consult a qualified installer service agency or the gas oil supplier INSTALLATION ET R PARATION PAR DES PROFESSIONNELS UNIQUEMENT Cet appareil doit tre install et r par par un technicien d entretien qualifi Le non respect de cette consigne pourrait causer des dommages mat riels des blessures ou m me la mort L INSTRUCTIONS SPECIALES POUR PROPRIETAIRES 390294 Des erreurs dans l installation le r glage les modifications les r parations ou la maintenance peuvent entra ner des blessures ou des dommages mat riels Se r f rer la section relative aux renseignements pour l utilisateur du pr sent manuel Pour toute assistance ou renseignement compl mentaire consulter un installateur qualifi une agence de service ou le fournisseur de gaz mazout 390292 3 RESEAL HEAT EXCHANGER ACCESS PORTS Clean outs accessible by qualified service personnel only Access to clean out may require removal of panel Be certain clean out covers and or gaskets are intact and in proper position to ensure complete seal prior to operation il Failure to do so may result in property or equipment damage USE COPPER CONDUCTORS ONLY Unit terminals are not designed to accept other types of conductors Failure to do so may cause
39. mes necessary to replace or wash filter remove the dirty filter from the racks provided and wash or Quand il devient n cessaire de remplacer ou de laver le filtre retirer le filtre sale des supports pr vus et le laver replace with identical new filters ou le remplacer par un filtre neuf identique The blower motor located behind this door may or may not require lubrication If lubrication instructions are not shown on the motor nameplate the motor should not be lubricated If the nameplate indicates that the motor requires lubrication lubricate the motor as directed or use 30 drops of SAE 20 weight oil or equivalent twice a year Do not use a light household grade oil Le moteur de soufflerie situ derri re cette porte peut ou non avoir besoin de lubrification S il n y a pas d instructions de lubrification sur la plaque signal tique du moteur celui ci ne doit pas tre lubrifi Si la plaque signal tique indique que le moteur a besoin d tre lubrifi le lubrifier comme indiqu ou utiliser 30 gouttes d huile SAE 20 ou quivalente deux fois par an Ne pas utiliser d huile domestique l g re L 390291 xi All installations and services must be performed by qualified service personnel ad PROFESSIONAL INSTALLATION AND SERVICE REQUIRED This unit must be installed and serviced by a qualified servicer Failure to do so may result in property damage injury or loss of life SPECIAL HOMEOWNERS INSTRUCTIONS Improper insta
40. mps air is automatically returned to the tank making the unit self purging Use of continuous runs of heavy wall copper tubing is recommended Always use flare fittings Avoid use of fittings in inaccessible locations Avoid running tubing against any type of heating unit and across ceiling or floor joists If possible install the tubing under the floor Specific information on piping fuel pump connections lift capabilities and tank installations is provided in the fuel pump manufacturer s instructions If the oil tank is located inside the building and the tank capacity is between 10 and 660 gallons it shall not be located within 5 feet horizontally from any source of heat or oil burning appliance Furthermore the oil tank shall not block access to utility service meters switch panels and shutoff valves If an underground tank used the top of the tank should be below all piping in order to prevent oil discharge through a broken connection Underwriters Laboratories requirements now stipulate that all 275 gallon and larger tanks have a bottom outlet This is to prevent the accumulation of 19 All installations and services must be performed by qualified service personnel condensate which causes the tank to rust It is also recommended to use a water trap or additives to prevent condensate accumulation If the tank is above the burner and gravity oil feed to the burner is permitted a single line system may be used The line
41. n air to be drawn through NOTE Combustion air cannot be drawn from the occupied space of the home The furnace is shipped with a 2 radiator hose 2 pvc street ell 3 dia flex hose and clamps If combustion air needs to be pulled from the floor attach the black plastic adapter to the base of the combustible floor base Make sure the knock out has been removed Use hi temperature silicone and screws to secure the adapter If needed the combustion air can be pulled from the rear of the floor base For this method remove the knock out in the vertical wall and attach the adapter to this opening as indicated The Beckett burner is equipped with a plastic air boot The 2 radiator hose and 2 pvc street ell are to be attached to the boot inlet Use the two smaller clamps to affix the hose to the boot and the boot to the male end of elbow After cutting the flexible hose to the appropriate length attach it to the street ell and the black adapter using the remaining two clamps The material recommended for the combustion air duct under the structure is smooth round galvanized steel duct or schedule 20 PVC pipe The maximum duct length allowed is equivalent to 40 feet of straight duct Reduce this length by 6 feet for the intake hood and each 90 degree elbow used and by 3 feet for each 45 degree elbow used the combustion air duct Flexible spiral or corrugated duct is not recommended due to the relatively high pressure drop associated with
42. nting system to restrict the proper venting of combustion products If a restriction is found the flue pipe must be cleaned or replaced to ensure proper venting Flue pipes should also be inspected for any signs of corrosion deterioration or leakage that may cause combustion by products to infiltrate the home or indoor environment If signs of corrosion deterioration or leakage are evident the flue pipe must be replaced with a properly sized agency approved flue pipe E EXTENDED SHUTDOWN If this furnace is shut down or off for an extended period of time several steps can be taken to help insure a smooth and reliable start ON SHUT DOWN 1 Close the fuel supply shutoff valve s 2 Turn the furnace power switch off and disconnect electrical power to the unit 3 Fill the oil tank to prevent condensation oil units only 4 If shutdown exceeds one season an oil stabilizer should be added to the oil tank as recommended by your oil supplier oil units only ON START UP 1 Have the heating system and furnace inspected and started by a qualified service person 2 Check for a clean adequate supply of fuel 3 Set the room thermostat above room temperature 4 Open all shutoff valves in the fuel supply line 5 Turn on the main power at the disconnecting switch and at the furnace power switch to start the burner If the burner does not start immediately reset the burner primary ignition control module On
43. o mark floor opening locations see Figure 2 Cut a square opening in the floor for the supply air connector duct Cut the opening 1 inch larger than the square template opening duct requires 1 inch clearance to combustible floor Cut a combustion air duct opening in the floor 1 8 inch larger than the template opening A REAR WALL OF CLOSET OR ALCOVE 2 2 REAR WALL OF CLOSET OR ALCOVE J FLOOR CUTOUT CONNECTOR a DUCT I FUEL LINE m ENTRY z E y AT T L FLOOR CUTOUT d COMBUSTION AIR DUCT BASE BOTTOM PANEL TEMPLATE UNI OP VIEW TOP VIEW OP VIEW Figure 2 After cutting openings in the floor place the bottom panel in position Mark the square opening location on the distribution duct at the connection point of the connector duct Remove the bottom panel Cut an opening in the distribution duct slightly larger than the connector duct refer to Figure 2 for location of this cut Cut the connector duct to length Install the connector duct Bend over each tab Insure an airtight seal by using high temperature sealant or tape on the joint Reinstall the bottom panel over the connector duct Insert and secure the combustion air duct Put the base top assembly in place see Figure 3 IMPORTANT A combustion air duct must be used If the underside of the mobile home is skirted or enclosed e g enclosed in
44. oil furnaces if required vent the fuel of air as soon as the burner motor starts If the burner stops during venting wait three to five minutes before attempting to restart 44 All installations and services must be performed by qualified service personnel ACAUTION Do not attempt to start burner when excess fuel has accumulated inside the furnace 6 Follow the BURNER OPERATION AND ADJUSTMENT procedure in Section L VI USER INFORMATION SECTION A WARNINGS AND CAUTIONS AWARNING If you suspect there is a problem with the furnace pertaining to the venting system or any other related problem immediately contact a qualified service agency If a service agency is not available contact your fuel supplier A WARNING Personal injury or property damage could result from major repair or service of this furnace by anyone other than a qualified contractor The user should only perform the routine maintenance described in the user section of this manual AWARNING The area around the furnace should be kept free and clear of combustible materials especially papers and rags AWARNING Never burn garbage or refuse in your furnace Never try to ignite oil or gas by tossing burning papers or other material into the furnace ACAUTION Do not attempt to start the burner when 1 Excess oil or gas has accumulated 2 The furnace is full of vapors 3 The combustion chamber is very hot If one or more of these conditions exist con
45. onnel H FUEL PIPING Sizing and installation of fuel lines must be in accordance with federal state and local regulations 1 Oil Tank and Piping A WARNING All local codes and ordinances take precedence with regard to tank and oil lines All lines must have oil shutoff valves a good pipe joint compound approved for use with oil on all pipe threads no kinks no sharp bends and be properly tested for leaks Flare fittings are recommended for tubing ACAUTION Do not run the oil pump dry for more than five minutes Your furnace is factory equipped to operate on No 2 distillate fuel domestic heating oil In very cold weather No 1 distillate fuel oil may be used Your oil supplier should be contacted for recommendations ANCAUTION Do not use motor oil or any fuel heavier than No 2 fuel oil Burners are most commonly installed with a single stage fuel pump refer to Figure 7 This type of fuel pump when connected with a supply line only is satisfactory where the fuel supply is level with or above the burner This type of installation permits gravity flow of oil to the burner When it is necessary to lift raise oil to the burner a return line should be connected between the fuel pump and tank This requires insertion of the by pass plug into the fuel pump If the lift exceeds approximately 10 feet a two stage pump should be installed with a return line When a return line is used with either single or two stage pu
46. qualified service personnel x 24 VAC from transformer C 24 VAC common from transformer CC Compressor Contactor CC COM Compressor Contactor Common LOW Continuous Blower Speed HEAT Blower heat speed tap COOL Blower cool speed tap A Inputs Power supplies Line voltage is applied between the S1 and N1 quick connect terminals 24 VAC Class II Transformer secondary voltage supplied to X and C Limit switch The 120 VAC optically isolated limit switch input is connected on pin P2 1 amp 9 Refer to the Heat Mode section for the control operation Thermostat call for heat W 24 VAC thermostat input A call for heat is recognized when the thermostat connects W to R This input has an indicator LED that will light when the control receives a call for heat Refer to the Heat Mode section for the control operation Thermostat call for fan G 24 VAC thermostat input A call for fan is recognized when the thermostat connects G to R This input has an indicator LED in that will light when the control receives a call for fan Refer to the Fan Mode section for the control operation B Outputs PSC Control The control shall control a five speed indoor blower motor Rating shall be 10 FLA 30 LRA 120 VAC Connections are made via 0 250 x 0 032 male quick connect terminals labeled HEAT COOL and LOW HEAT is energized when the heat speed blower i
47. r furnace NEVER try to ignite oil or gas by tossing burning papers or other material into your furnace AWARNING Thermo Pride oil furnaces are designed to burn commercial standards of No 1 and No 2 fuel oil NEVER USE GASOLINE OR A MIXTURE OF OIL AND GASOLINE A WARNING Do not attempt to start the burner when 1 Excess oil has accumulated 2 The furnace is full of vapors or 3 The combustion chamber is very hot If one or more of these conditions exist contact a qualified service person ACAUTION If the temperature rise exceeds 100 F the heat exchanger may fail voiding the heat exchanger warranty resulting in property damage personal injury or loss of life AWARNING Burner adjustments must be confirmed by instrumentation Failure to use accurate or calibrated instrumentation to setup the burner may result in reduced efficiency sooting and or the production of hazardous carbon monoxide gas AWARNING Any attempt to relocate safety controls or replace safety controls with a control that is not approved or incompatible may result in personal injury substantial property damage or death All installations and services must be performed by qualified service personnel AWARNING Jf you do not follow these instructions exactly a fire or explosion may result causing personal injury loss of life or property damage AWARNING NEVER use gasoline or a mixture of oil and gasoline to start the burner or furnace ANWARNING HAZARD OF ASP
48. rough the side of cottage base and terminate outside of the structure All joints and seams of supply ducts and combustion air ducts must be closed with a sealing method suitable to the application conditions and temperatures e g using high temperature silicone caulk and or aluminum tape If the combustion air passageway cannot terminate outside of the structure a permanent opening with a minimum of 50 square inches of unobstructed infiltration free area for ventilation and combustion air must be provided to the interior of the structure Additional make up air may need to be supplied to the interior of the structure to compensate for exhaust fans appliances or vents which consume air from the interior of the structure Refer to the assembly installation instructions included with 01COT BASE cottage base for additional information 14 All installations and services must be performed by qualified service personnel E ALCOVE INSTALLATION In this application a minimum of 18 inches of clearance must be provided to the front of the unit Refer to Figure 4 Alcove installations must use the No 70 mobile home base Note access to diagnostic view port Refer to section G COMBUSTION AIR for additional combustion air requirements F CLOSET INSTALLATION ACAUTION HAZARD OF ASPHYXIATION A suction effect will occur when the furnace is operating inside the closet with the closet door closed For proper operation the
49. s to run COOL is energized when the Cool speed blower is to run LOW is energized during a call for fan is received or a call for dehumidification is received Oil Burner Control The control provides dedicated contacts to operate the T T input of an oil primary control Rating shall be class 2 24 VAC pilot duty 24 VAC 200mA Power The switched 120 VAC power from the LIMIT switch passes through the board between Pins amp 2 of connector P1 24 All installations and services must be performed by qualified service personnel EAC electronic air cleaner The control provides a 120 VAC output for an electronic air cleaner This output is energized whenever the fan motor is energized either low heat or cool speed Connection is made via male quick connect terminal labeled EAC Humidifier The control provides a 120 VAC output for a humidifier Connections are made to a male quick connect terminal labeled FAN The control does not switch this output it provides a pass through connection from P1 7 from the switched primary voltage of the Burner Module Status LED A red LED is provided to indicate any thermostat input has been recognized by the microprocessor on the control See Diagnostic Features for a function description of operation Thermostat Input LEDs Four green LEDs are placed beneath their respective thermostat connections W Y G and DEHUM and operate whenever a call is present
50. services must be performed by qualified service personnel B CAD CELL CHECKOUT PROCEDURE 1 Remove cad cell lead wires then start the burner Shortly after burner starts place a temporary jumper between terminals T amp T of the oil primary control Connect ohmmeter across cad cell lead wires resistance should be less than 1600 ohms Stop the burner and remove temporary jumper With the burner off check dark cell resistance across cad cell lead wires Resistance should be greater than 20 000 ohms If cell resistances are different from above recheck wiring location of cell etc If necessary replace plug in portion of cell Part No 350104 Reconnect cad cell lead wires Check out the oil primary control according to the instructions packed with the control C HEAT EXCHANGER CLEANING INSTRUCTIONS ANWARNING The heat exchanger must be cleaned by a qualified service person For oil fired units it is important to inspect and clean the heat exchanger once a year or as necessary to remove any build up of soot A layer of soot on the inside of the heat exchanger will act as an insulator reducing heat transfer resulting in reduced efficiency To clean the heat exchanger l First turn off all power to the unit 2 Remove cleanout plugs the vent connector pipe to the chimney the burner and the burner 3 mounting plate With access to the inside of the heat exchanger through the burner cleanout openings and th
51. should have a gradual slope downward of approximately 1 2 inch per foot or more to a point directly below where it is connected to the pump Installing the line with a downward slope will help prevent the formation of air pockets in the line IMPORTANT An oil safety valve or a delayed action solenoid valve is required with all gravity feed oil supply systems IMPORTANT The oil storage tank must be free of water sludge and scale to prevent excessive wear and possible damage to furnace oil pump and burner nozzle A fuel oil filter installed in the oil supply line to the burner is required OIL FILTER For all installations use a low micron oil filter with the capacity to trap particles 10 microns in diameter or greater Filtering the oil supply helps to prevent nozzle clogging Install the oil filter inside the building between the tank shutoff valve and the burner The filter cartridge should be replaced at least once a year The filter body should be thoroughly cleaned before installing a new cartridge 20 All installations and services must be performed by qualified service personnel Nozzle FITTING INLET RETURN PORT aes d PORT ss IF FUEL PUMP FAILS TO A FITTINGS REPRIME FUEL PUMP BY PORT REPLACE RETURN PORT PLUG AND REPEAT PR RE
52. ss calculation made according to the manuals provided by the Air Conditioning Contractors of America ACCA or the American Society of Heating Refrigeration and Air Conditioning Engineers Inc ASHRAE 2 The installer shall be familiar with and comply with all codes and regulations applicable to the installation of this heating appliance In addition to the governing standards items a through e this appliance shall also comply with CSA B139 for recommended installation practices where applicable a Federal Manufactured Home Constructions amp Safety Standard HUD Total 24 Part 280 b American National Standard ANSI 119 2 NFPA 501C for all recreational vehicle installations c American National Standard ANSI Z223 1 NFPA 54 for all gas fired furnaces d American National Standard ANSI Z95 1 NFPA 31 for all oil fired furnaces e American National Standard Electric Code ANSI C1 NFPA 70 for all electrical field wiring The oil fired furnace has been investigated under the UL 307A test standard and CSA B140 and is listed by ETL and described as For installation as central furnace special type ANWARNING The area around the furnace must be kept free and clear of combustible materials especially papers and rags AWARNING This furnace is not to be used as a construction heater 1 Definitions of combustible and non combustible materials as presented in the 1996 version of the National Fuel Gas Code ANSI
53. stion ideally should be zero or only a trace In all cases it must be less than 50 PPM Carbon monoxide is a colorless and odorless gas but it is toxic compound The production of significant quantities of CO is a strong indicator of incomplete combustion Check the fuel supply and the burner for fuel leakage Check for an inadequate supply of clean air for combustion Also check for a restricted or blocked flue vent or chimney 3 SMOKE oil burners only A smoke sample should be drawn from the flue pipe or vent connector at a position close to the furnace For the greatest efficiency if the first smoke reading is 0 close the air shutter on the burner until a trace smoke reading is obtained 4 FLUE GAS TEMPERATURE The flue gas temperature will vary to some degree depending on the heating content of the fuel the amount of combustion air and airflow across heat exchanger In general the lower the stack temperature the higher the efficiency However stack temperatures under 350 F may cause flue gases to condense which in turn may cause excessive metal corrosion 5 TEMPERATURE RISE Supply air temperature measured twelve inches into trunk away from radiant heat from the furnace minus return air temperature or Temperature rise Supply air temperature Return air temperature The temperature rise across the furnace heat exchanger operating at steady state conditions about 15 to 20 minutes should not exceed 100 F The
54. tact a qualified service person ANCAUTION Do not block or obstruct air openings on the furnace casing Do not block or obstruct air openings communicating within the area in which the furnace is installed ANCAUTION Do not allow the outside air intake to be blocked or obstructed by vegetation ice snow or any other materials AWARNING Do not use this furnace if any part has been underwater Immediately call a qualified service agency to inspect the furnace and to replace any part of the electrical or control system which has been underwater ANWARNING Should overheating occur or the fuel supply fail to shut off shut off the manual fuel supply valve to the furnace before shutting off the electrical supply Should the furnace not operate note diagnostic code through view port prior to removing doors 45 All installations and services must be performed by qualified service personnel B COMPONENT LOCATIONS The following diagram shows a typical furnace installation and typical position of the components referenced in these instructions E E
55. the T amp T terminals on the front of the primary control For the oil burner installation only 5 Determine whether an oil return line is required and connect the fuel oil piping to the burner oil pump through the base of the unit 6 Turn on electrical power to the furnace Cause or simulate a call for heat to bleed air from the oil line at the oil pump Temporarily connect the two thermostat leads to cause the oil pump to run 7 With all oil shutoff valves open open the air bleed valve on the oil pump and capture the oil flow in a container until all traces of air in the line are gone 8 Close the air bleed valve Check for and correct any oil leaks The furnace is now ready for burner adjustment Refer to the following BURNER OPERATION AND ADJUSTMENT section L BURNER OPERATION AND ADJUSTMENT ANWARNING NEVER burn garbage or refuse in the furnace NEVER try to ignite oil or gas by tossing burning papers or other material into your furnace AWARNING Jf you do not follow these instructions exactly a fire or explosion may result causing personal injury loss of life or property damage 32 All installations and services must be performed by qualified service personnel AWARNING NEVER use gasoline or a mixture of oil and gasoline to start the burner or furnace 1 Qualified service personnel must perform the first lighting of the burner 2 The burner instructions must be read and understood before any attempt
56. to the furnace check that disconnecting switch is on fuses or circuit breakers have not blown or tripped 2 Make sure thermostat is calling for heat 3 Check for adequate fuel supply and pressure Are all the fuel shutoff valves are open 36 All installations and services must be performed by qualified service personnel Set thermostat subbase to HEAT Does thermostat make contact Is room temperature TROUBLESHOOTING FLOWCHART Note Check diagnostic code through view port prior to removing doors above 90 deg F Is room temperature above thermostat setting No Replace thermostat Yes wai for room air to cool Yes Turn thermostat setting above room temp Does a call for No heat initiate an L Is the power switch off ignition cycle No Is there 120 VAC across lines L1 amp L2 Yes Is the oil primary control receiving 120 VAC Yes switch on Check input power Reset circiut breaker or replace blown fuse in disconnected switch Wait for furnace to cool Look for cause s of high limit activation eg low airflow over firing blocked flue etc Correct any abnormal conditions Have either of the Yes high limit thermostats activated With power on measure voltage across the aux high limit thermostat N C contact to L2 If not 1
57. ving 1 inch upturned flanges are to be located beneath openings in a floor return air duct system 7 Wiring materials located in the return air duct system must conform to Article 300 22 of the latest edition of the National Electrical Code NFPA 70 8 Gas piping shall not be located in or extend through the return air duct system 9 Refer to section G COMBUSTION AIR for additional combustion air requirements G COMBUSTION AIR The furnace requires the proper amount of combustion air be available to combust the fuel cleanly and efficiently An inadequate combustion air supply can result in unsafe and erratic operation of the burner sooting of the combustion chamber and the heat exchanger and possibly offensive fuel odors The combustion air intake must provide an adequate source of combustion air to the appliance Refer to part 5 3 of the National Fuel Gas Code ANSI Z223 1 NFPA 54 1999 or latest edition for application specific combustion air requirements 16 All installations and services must be performed by qualified service personnel The preferred location of the outside combustion air intake termination e g an optional stainless steel intake hood part no 370183 is through the side of the structure skirting or enclosure An alternate termination location is under the structure in the skirted or crawlspace area providing a minimum of 50 square inches of free area exists around the perimeter for outside combustio
58. y If fan operates T with fan timer replace fan timer set correctly Check for blower wheel Does blower wheel rubing against housing spin freely or motor shaft spinning freely Adjust or replace as necessary Yes PSC motor only Is blower motor No capacitor functioning Replace blower properly motor capacitor Yes Replace motor 40 All installations and services must be performed by qualified service personnel Yes as the high limit thermosta or auxiliary high limit thermostat activated Does system run until thermostat is satisfied Check all wiring for loose connections Check for reduced airflow through the furnace This may be caused by an excessively restrictive duct system an inadequate amount of supply air especially for furnaces installed in closets or extremely dirty air filters Also check and confirm heat input rate to unit is within specifications Yes Does burner shut off when thermostat is satisfied Check for short in wire to thermostat Replace thermostat if necessary Check fan timer settings Does the circulating ai against those on connection blower turn off after diagram Is fan selector ves Replace fan imr thermostat is satisfied switch set on manual p within 4 minutes Reset if necessary Does fan still fail to turn off Yes Troubleshooting Complete 41 All installations and
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