dynatrail installation instructions for models nt-40
Contents
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14. CONNECTING ELECTRICAL SUPPLY CAUTION This furnace is designed for negative ground 12 volt D C system only Do not attempt to alter the furnace for a positive ground system or connect the furnace directly to 115 volts A C Damage to furnace component parts will occur Connect only to a protected circuit fused for not more than 20 amps Be sure all wiring to the furnace is of heavy enough gauge to keep the voltage drop through it to a minimum and to provide enough power for start up surge No 12 gauge wire is recommended If any of the original wire that is supplied with the appliance must be replace it must be replaced with Type 105 C or its equivalent Connect the power supply to red and yellow wires on left side of the furnace The wires are color coded red for positive and yellow for negative This polarity must be observed so the furnace motor will run with the proper direction of rotation to insure correct air delivery See wiring diagram If the furnace power supply is to be from a convertor we recommend that the convertor system used to power the furnace be wired in parallel with the battery This will service two purposes 1 Provide a constant voltage supply to the furnace 2 Filter any A C spikes or volt surges CONNECTING DUCTS TO FURNACE The following duct requirements must be followed in order to assure proper operation of the furnace 1 Maintain a minimum of 48 square inches open duct area throughout
15. UL a division of AIRXCEL Inc DYNATRAIL INSTALLATION INSTRUCTIONS FOR MODELS NT 40 SUBURBAN MANUFACTURING COMPANY 676 Broadway Street Dayton Tennessee 37321 423 775 2131 www rvcomfort com The design of the furnace has been listed for installation in recreational vehicles only In order for the furnace to operate in conformity with generally accepted safety regulations the installation instructions must be followed Failure to comply with the installation instructions will void the warranty on the furnace and any responsibility on the part of Suburban Manufacturing Company The furnace was inspected before it left the factory If any parts are found to be damaged do not install the furnace Immediately contact the transportation company and file a claim FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS e Extinguish any open flame e Evacuate all persons from the vehicle e Shut off the gas supply at the gas container or source Do not touch any electrical switch or use any phone or radio in the vehicle Do not start the vehicle s engine or electric generator e Contact the nearest gas supplier or WARNING Improper installation adjust ment alteration service or maintenance can cause property damage personal in jury or loss of life Refer to the installation instructions and or owners manual pro vided with this appliance Installation and service must be performed by a qualified installer service agenc
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19. 520593 which accommodates a range from 2 1 4 to 3 1 8 The extension tube kit comes with complete installation instructions WARNING Under no circumstances are the extension tubes as supplied by Suburban to be cut altered or modified in any way To do so could be dangerous and will void the responsibility of Suburban Manufacturing Company EXTENSION TUBE MIN MAX LENGTH KIT NUMBER EXTENSION TUBE RANGE 520974 2 1 4 to 3 1 8 520975 3 1 8 to 4 7 8 520595 4 7 8 to 7 TABLE 2 INSTALLING VENT ASSEMBLY The vent outlet must be installed so it is in the same atmospheric pressure zone as the combustion air intake The exhaust and intake tubes must be installed from the outside pass through the RV skin and slide onto the furnace exhaust and intake WARNING Do not alter the vent assembly supplied with this furnace Any modifications will result in improper installation which could cause unsafe furnace operation CAUTION Combustion air must not be drawn from the living area All air for combustion must be drawn from the outside atmosphere All exhaust gases must be vented to the outside atmosphere never inside the RV Therefore it is essential to insure that the vent cap and tube assemblies are properly installed 1 Apply caulking to RV skin behind vent cap as shown in Figure 2 Apply caulking generously around perimeter of vent cap and across center as shown 2 Insert intake tube through RV
20. Bushing Snap Panel Module Board Intake Tube Assembly Vent Cap and Exhaust Tube Assembly Rain Shield Switch ON OFF Description Burner Assembly Gasket Manifold Manifold Pipe Bracket Valve Mounting Elbow Street Wheel Room Air Blower Housing Assembly Microswitch Assembly Screw 2 56 x 5 8 2 Required Nut 2 56 2 Required Bracket motor Mount 3 Required Gasket Crossover Tube 2 Required Crossover Tube Motor Assembly Gasket Motor Mount Housing Combustion Air Assembly Wheel Combustion Air Gasket Combustion Air Housing Housing Combustion Air Outside Tinnerman Fastener TWO YEAR LIMITED WARRANTY SUBURBAN RECREATIONAL VEHICLE FURNACE TWO YEAR LIMITED WARRANTY This Suburban product is warranted to the original purchaser to be free from defects in material and workmanship under normal use and maintenance for a period of two years from date of purchase whether or not actual use begins on that date It is the responsibility of the consumer owner to establish the warranty period Suburban does not use warranty registration cards for its standard warranty You are required to furnish proof of purchase date through a Bill of Sale or other payment records Suburban will replace any parts that are found defective within the first two years and will pay a warranty service allowance directly to the recommended Suburban Se
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22. CSA 2240 4 2 08 Installation Requirements for Propane Appliances and Equipment in Recreational Vehicles 4 CAN CGA B149 Installation Codes 5 Any applicable local codes and regulations 148 08 Electrical Return Air There are three methods described below for installing the furnace Regardless of the method you choose we require that a permanent opening be provided in the interior cabinetry of the coach directly in front of the furnace The opening must allow for free unobstructed removal of the furnace This opening may be used as a means of providing circulating return air to the furnace It is recommended that the opening total 64 square inches Suburban also recommends a return air opening of 49 square inches be provided in the left side of coach cabinetry and centered by room air blower opening See Figure 3 These are suggested locations for return air Other locations and areas may be used Regardless of the location for return air the return air to the furnace must total 113 square inches See Figure 3 It is important that adequate return air be provided to assure normal heating and operation of the furnace Failure to provide the minimum return air opening as well as an adequate opening for furnace removal voids the warranty NOTE Return air must be from within the living area of the coach NOTE RV s that have a wall of separation to a cargo area Toy Box to transport internal combustion engine vehicles must not hav
23. FURNACE 8 X 8 OPENING BE PROVIDED Figure 3 BL me BR Sc Oe Na COMBUSTION CHAMBER BL MOTOR 1 CABINET ke z 2 THES R VALVE SW BR BUARD de z l L me LIMIT SAL sw SWITCH MODULE BOARD n ELECTRODE THERMOSTAT ND DISCONNECT Y 34 ka BLOCK 3 4 Sg ELECTRODE elle soo P ka lt VALVE SW NC Y den Z Aa E 27 VALVE l M T R C ia zi 12 vats eo a gt SE BURNER J cone couor ALL WIRES ARE 18 AWG UNLESS OTHERWISE SPECIFIED 14 AWG 105 C THERMOPLASTIC 5 NOTE IF ANY OF THE DRIGINAL WIRES AS SUPPLIED APPLICABLE ONLY TO THE MODELS OBSERVATION BURNER ACCESS DOOR HRANGE WITH THE APPLIANCE MUST REPLACED IT MUST LISTED BELOW C D BK BLACK BE REPLACED WITH WIRING MATERIAL HAVING A NT 34SP WINDOW BR BROWN TEMPERATURE RATING AT LEAST 105 C NT 40 BL BLUE NO 18 250 C RADIX WIRE UL 3257 R RED YELLOW i G
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25. entire duct system including through register Minimum 4 ducts 4 diameter Applicable to under floor ducting as well NOTE Ducts terminating in a dead air space like holding tank compartments or cargo areas Toy Boxes with no means for return air recirculation should not be counted in the required duct area Also ducts 2 in diameter or smaller should not be counted in the required duct area 2 No outlet register is to be placed within 18 of the return air opening Any register installed at 18 should never be adjusted to blow the outlet air toward the return air opening If a register is installed on a wall 90 degrees to the return air it can be less than the 18 3 Make the duct connections at the furnace cabinet tight Loose connections will result in overheating of the component parts on the furnace and a reduction of the heated air flow through the duct system 4 Avoid making any sharp turns in the duct system Sharp turns will increase the static pressure in the plenum area and could cause the furnace to cycle 5 Avoid making a lot of turns in the duct system The straighter the duct system the better the performance of the furnace 6 Maintain a minimum of 1 4 clearance where ducts pass through any combustible construction such as coach cabinetry See Figure 3 NOTE UL listed duct materials can be 0 clearance 7 Do not install air boosters in the duct system Such devices will cause the furna
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28. plus the appliance minimum clearances to combustibles See Table 1 4 Locate center lines for exhaust and intake tubes as shown in Figure 2 Cut two 3 diameter holes through coach wall for exhaust and intake See Figure 2 5 Put furnace in place making sure that rear of furnace cabinet is as close to inner wall of coach as possible and still assure proper vent tube overlap See Installing Vent Assembly 6 Secure furnace to the floor using the two 2 holes provided in the furnace cabinet See Figure 1 7 Install vent assembly See instructions for installing vent C INSTALLATION USING VENT EXTENSION TUBES When it is not possible to install the furnace as described in installations A or B extension tubes must be used to extend the exhaust and intake tube to the vent tube assemblies on the outside of the coach Avoid the use of extension tubes whenever possible If they must be used it is important that the correct length tubes are used In order to determine the correct extension tube kit you must determine the range in which the extension falls To do this determine where the furnace is to be installed and measure the distance from the end of the exhaust and intake tube to the outer edge of the coach skin This determines the extension tube range you need Table 2 lists by kit number the vent extension range up to 9 Example If the distance you measured is 2 7 8 using Table 2 as your guide you will order Kit
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31. rear of furnace cabinet is as close to outer skin of coach as possible and still assure proper vent tube overlap See Installing Vent Assembly 7 Secure furnace to the floor using the two 2 holes provided in furnace cabinet See Figure 1 Install vent assembly See instructions for installing vent Left Right Bottom Exhaust Side Side and Intake GES NT 40 40 0 MEANS TO SPACER BUMPS CLEARANCE FROM DUCTS TO COMBUSTIBLE MATERIAL WITHIN FIRST 3 FEET FROM FURNACE 1 4 See Figure 3 TABLE 1 B INSTALLATION DIRECTLY AGAINST INNER WALL OF COACH See Figure 2 Maximum wall thickness for this type installation is 2 1 4 1 Locate the furnace near lengthwise center of the coach Do not install the furnace with the vent facing toward the forward end of the coach 2 Choose a location for installation out of the way of wires pipes etc which might interfere with the installation Adhere to the minimum clearances from the cabinet to combustible construction as listed in Table 1 Refer to Figure 3 for illustration of furnace clearances 3 When an appliance is installed directly on carpeting tile or other combustible material other than wood flooring the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance If preferred the carpeting tile or combustible materials other than wood may be cut away the full length and depth of the appliance
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36. FROM CENTER LINE OF INTAKE TO FLOOR 2 3 00 DIA HOLES INSIDE WALL OUTSIDE SKIN FLOOR _ POWER SUPPLY WIRES MAXIMUM WALL THICKNESS 2 25 NOTE 0 CLEARANCE PERMISSIBLE AT REAR OF FURNACE FOR A WIDTH OF 2 25 MAXIMUM Ga TO FLOOR Figure 1 CAULK BEHIND VENT CAP AS SHOWN TO SEAL BETWEEN EXHAUST AND INTAKE AND TO 3 1 2 X 7 CUTOUT THRU COMBUSTIBLE CONSTRUCTION a 1 2 MAXIMUM WALL THICKNESS FOR THIS TYPE INSTALLATION IS 2 1 4 3 1 2 MAX HEAT SHIELD COLLAR VVARNING COLLAR MUST BE ATTACHED TO ASSURE SAFE PREVENT MOISTURE INSIDE FURNACE COMPARTMENT APPLY CAULKING GENEROUSLY AROUND PERIMETER OF VENT CAP AND ACROSS CENTER AS SHOWN CENTER PUTTY STRIP IS ESSENTIAL OPERATION DO NOT REMOVE COLLAR VENT CAP EXHAUST TUBE INTAKE TUBE 3 DIA 2 HOLES CENTERLINE OF FURNACE OUTER SKIN INSTALLATION Figure 2 SUBURBAN RECOMMENDS A RETURN AIR OPENING OF 49 SQ 7 1N MINIMUM 7 X 7 BE PROVIDED IN COACH CABINETRY AND CENTERED BY ROOM AIR BLOWER OPENING ON LEFT SIDE OF FURNACE VVHEN US NG ALL M N MUM NSTALLAT ON CLEARANCES SPACER BUMPS MAINTAIN A 1 4 INCH CLEARANCE WHERE DUCTS PASS THROUGH A CABINET WALL WITHIN FIRST 3 FEET FROM FURNACE UL LISTED DUCT MATERIALS 2 CAN BE 0 CLEARANCE SPACER BUMPS SUBURBAN RECOMMENDS THAT A 64 SQ IN MINIMUM OPENING FOR RETURN AIR IN FRONT OF THE
37. IGREEN 340512 Figure 5 Figure 4 SHARP BLUE FLAME x YELLOW FLAME Ad TO CLEAN THE CHAMBER THE FURNACE MUST BE REMOVED FROM THE CABINET AND THE MANIFOLD BLOWER ASSEMBLY AND CONTROLS REMOVED LEAVING THE CHAMBER ONLY AS SHOWN USING COMPRESSED AIR BLOW THROUGH THE CHAMBER AS SHOWN BY ARROWS TO CORRECT FLAME INCORRECT FLAME REMOVE SOOT OR LOOSE DEBRIS Figure 6 Figure 7 Figure 10 Figure 9 Figure 11 REPLACEMENT PARTS LIST Only factory authorized parts are to be used Do not attempt to repair defective parts When ordering repair parts from your dealer a Suburban Service Center or distributor always give the following information 1 Part Number Not Item No 2 Part Description 3 Model and Serial Number of furnace 4 Number of Parts Required Part Description Number Cabinet Assembly Fastener Tinnerman 2 Required Cabinet Front Duct Collar 4 Required Thermostat Cover Junction Box Bushing Snap Combustion Chamber Assembly 021166BK Gasket Electrode 070163 Electrode 231933 030764 070398 231807 070362 230714 063248 520820 070807 230218 090301 063522 052041 Burner Access Door Gasket Burner Access Door Limit Switch Bushing Universal Splicer Bracket Power Supply Module Board Insulator Module Board
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39. NGNOD 37 INOSYOT Od t L 3 NOLLVMVd S 30 39VdS3 NN NOlLWuvdas 30 S33n8 NOILVTIV1SNI T 04 SINDIY WAWININ S39VdS3 S31 SNOL 1NVSITI1n N3 39V4INVHO 3 IBMVaidv 30 M B VT NS3A 37 YAS FYLNIO 13 ITNIIHZA NG G yOVTd NG 3109 SINYNOS LIOS WAWINIW NY 2X2 53 s3onod r 30 3NN ND Nvg3ingnS z onbe NOLLVTIVLSNI 3OVNuIn4 30 SNITHSLNSO NS 1 0 SATOH 2 Vid 953 SI 41418 ALInd MALNSO NMOHS SV 1 SSOMOV CNV dV 1N3A 40 Y3LINIYId ANNOYY 19 N YTDV ATddV LNSWLYVdNOO 30 SGISNI SUNLSIOW LNSABYd OL ONY ANY LSNYHXF TV3S OL NMOHS SV dVO 1N3A IIe dVO 1N3A AVT OO 3AOVVAM TON OQ NOLLVMBdO 33avs 39 99 OL Q3HOVLLV 38 LSNW MVT OO S MVT OO GISIHS 1V3H xv 1 1 22 SI NOILVTIVLSNI 3d3AL SIHL YO4 SS3NMOH L TIVA VN N XV N 22 BOCH NOILONYLSNOOD 318I1Sn8WOO NYHL ANOLND ud X ZIL kL ainbig e7 Zv9 aq 04000 SNIOW NO Od aq YNW NN NOd SOV4INVHO 30 113YYddY 1 30 Y ZEIEN Od 30 NOILYYYd3S 20 3ONV1SIG 31ON Od yil Z 30 WANIXYN TWN 4 3851 49 1NYYN09 N3 NOIIVIN3WITV 39v44NVHO 3q TI3uVdav Ge NoissiNav a 38N SUNSINBLXS ION 1
40. anted to be free from defects in material and workmanship during the third through fifth year after the date of original purchase A replacement heat exchanger will be provided under the same conditions as stated in the two year warranty EXCEPT no labor reimbursement will be provided LIMITATION OF WARRANTIES ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY ARE HEREBY LIMITED IN DURATION TO THE PERIOD FOR WHICH EACH LIMITED WARRANTY IS GIVEN SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU THE EXPRESSED WARRANTIES MADE IN THIS WARRANTY ARE EXCLUSIVE AND MAY NOT BE ALTERED ENLARGED OR CHANGED BY ANY DISTRIBUTOR DEALER OR OTHER PERSON WHOMSOEVER SUBURBAN WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation operating and service instructions owner s manual including cleaning of component parts such as orifices and burners 2 Initial checkouts and subsequent checkouts which indicate the furnace is operating properly or diagnosis without repair 3 Damage or repairs required as a consequence of faulty or incorrect installation or application not in conformance with Suburban instructions 4 Failure to start and or operate due to loose or disconnected wires water or dirt in controls fuel lines and gas tanks restriction or alteration of return air circulation low voltage 5 Routine adjustments that may be required t
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42. ce to cycle on limit and cause erratic sail switch operation NOTE After installation of the furnace and duct system is completed adjustments must be made to obtain a temperature rise within the range specified on the Rating Plate INSTALLING THERMOSTAT The thermostat used with this unit must have NO voltage output to return leg when there is not a call for heat or in the OFF setting Locate the room thermostat approximately 4 1 2 feet above the floor on an inside bulkhead where it is not affected by heat from any source except room air Connect thermostat wiring to the white wires on right side of furnace marked Thermostat Wires See wiring diagram If your furnace is equipped with a thermostat that has an adjustable anticipator the anticipator should be set at 7 amps If you desire linger heating cycles adjust the anticipator to a higher setting If you desire shorter heating cycles adjust the anticipator to a lower setting Adjustments to the anticipator setting should be made in 5 amp increments PREVENTIVE MAINTENANCE WARNING If the user of this appliance fails to maintain it in the condition in which it was shipped from the factory or if the appliance is not used solely for its intended purpose or if appliance is not maintained in accordance with the instructions in this manual then the risk of a fire and or the production of carbon monoxide exists which can cause personal injury property damage or loss of
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44. ducts which we do not recommend For your safety only factory authorized parts are to be used on your furnace 2 Periodically inspect the vent for obstructions or presence of soot Soot is formed whenever combustion is incomplete This is your visual warning that the furnace is operating in an unsafe manner If soot is present immediately shut furnace down and contact your dealer or a qualified service person 3 Periodically observe the main burner flame to assure it is burning with a hard blue flame with well defined burner ports See Figure 6 If flame appears yellow or burner has a lazy flame shut furnace down It is possible that burner needs cleaning or replaced To inspect the main burner remove the four 4 screws A B C and D securing the burner access door to the combustion chamber See Figure 5 If excessive rust and corrosion are present on burner surface the burner must be thoroughly cleaned or replaced The burner may be cleaned using a steel wire brush and blown clean using high compression air Contact a qualified service person for assistance NOTE To observe flame cabinet front must be removed Operation of burner can then be observed through the viewing window on front of chamber See Figure 5 4 Keep furnace clean More frequent cleaning may be required due to excessive lint from carpeting bedding material etc It is imperative that control compartments burners and circulating air passageways of the appl
45. e return air opening from this area A INSTALLATION DIRECTLY AGAINST OUTER SKIN OF COACH See Figure 1 Maximum wall thickness for this type installation is 2 1 4 1 Locate the furnace near lengthwise center of the coach Do not install the furnace with the vent facing toward the forward end of the coach 2 Choose a location for installation out of the way of wires pipes etc which might interfere with the installation Adhere to the minimum clearances from the cabinet to combustible constructions listed in Table 1 Refer to Figure 3 for illustration of furnace clearances NOTE Side and top clearances may be 0 for through the wall installations up to a maximum wall thickness of 2 1 4 See Figure 1 3 When an appliance is installed directly on carpeting tile or other combustible material other than wood flooring the appliance shall be installed on a metal or wood panel extending the full width and depth of the appliance If preferred the carpeting tile or combustible materials other than wood may be cut away the full length and depth of the appliance plus the appliance minimum clearances to combustibles See Table 1 4 Cut an opening through the inner wall 12 7 16 x 13 1 8 This will allow the rear of the furnace to be installed against the outer skin of the coach See Figure 1 5 Cut two 3 diameter holes through the outer skin of coach as shown in Figure 1 6 Put furnace in place making sure that
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48. gas piping to furnace for obvious signs of deterioration Correct any defects at once 5 Inspect combustion chamber for restrictions in exhaust or intake It is imperative that the flow of intake combustion air and the flow of exhaust gases being expelled to the outside atmosphere not be obstructed Any soot or loose debris should be blown out using compressed air See Figure 7 6 Inspect all gaskets If any gaskets show signs of leakage or deterioration replace them Safe operation of the furnace depends on all gaskets being tight 7 Inspect return air inlet openings to the furnace Remove any restrictions to assure adequate air flow You as the owner user should inspect the furnace periodically during the heating season for presence of soot on vent Operating the furnace under this condition could lead to serious property damage personal injury or loss of life If soot is observed on the vent immediately shut the furnace down and contact a qualified service agency Listed below are several safety related items that you should follow during the heating season to assure continued safe operation of the furnace 1 Inspect furnace venting Venting must be free of obstructions void of soot and properly terminated to the atmosphere See Installing Vent Assembly WARNING Do not install screens over the vent for any reason Screens will become restricted and cause unsafe furnace operation Accessories are being marketed for RV pro
49. gested by your dealer or manufacturer of the RV SECOND Contact a conveniently located recommended Suburban Service Center Describe to them the nature of your problem make an appointment if necessary and provide for delivery of your RV to the selected service center THIRD For the location of the nearest service center refer to the listing provided or contact Suburban Manufacturing Company Customer Service Department 676 Broadway Street Dayton Tennessee 37321 423 775 2131 Ext 7101 www rvcomfort com For future reference you should record the following information MODEL NUMBER SERIAL NUMBER STOCK NUMBER DATE OF PURCHASE 1 7 3 MOOLS 20 OYANWNN 214 35 40 OYANNN 31 0 20 OYsAANN MMM li 81edde SANdUOSEp 5 095 10 LOLL XA LELZ SZz LZELE ss uu l uol eq yeas Aempeoig 9 9 yu uned q olAJ1 S i uuolsnO Auedwog Buunioejnue ueqinqns 00 no luinoj als EIS SNOA Z 1 J 1 uooid snid ales nu o JASI EDO inoq LNAWSAWAISIONL 161042 p nu o Ne UOSIeJAl El Jas UeBIO y less u 3S IS snoA z pu 1 aJpUsd u pjuyo Ne uu lqoid np mu uBiol ned pu uuuioo5 1 ueqinqnsS
50. iance be kept clean 5 The motor is permanently lubricated and requires no oiling 6 Keep the furnace area clear of any combustible materials gasoline or other flammable vapor and liquids 7 Before operating furnace check the location of the furnace vent to make sure it will not be blocked by the opening of any door on the trailer If it can be blocked do not operate the furnace with the door open 8 Do not restrict the flow of combustion air or the warm air circulation to the furnace To do so could cause personal injury and or death 9 Never operate the furnace if you smell gas Do not assume that the smell of gas in your RV is normal Any time you detect the odor of gas it is to be considered life threatening and corrected immediately Extinguish any open flames including cigarettes and evacuate all persons from the vehicle Shut off gas supply at LP gas bottle See safety notice on front cover of this manual 10 Immediately shut furnace down and call a service agency if furnace cycles erratically or delays on ignition WARNING Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the appliance before shutting off the electrical supply 11 Never attempt to repair damaged parts Always have them replaced by a qualified service agency 12 Never attempt to repair the furnace yourself Seek the help of a qualified service person 13 Never restrict the ducting installed by
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52. life CAUTION Label all wires before disconnecting for servicing Proper polarity must be observed so the furnace motor will run with the proper direction of rotation to insure correct air delivery See wiring diagram CAUTION Label all wires prior to disconnection when servicing controls Wiring error can cause improper and dangerous furnace operation Always verify proper operation of furnace after servicing Your furnace should be inspected by a qualified service agency yearly before turning the furnace on Particular attention should be given to the following items 1 Inspect furnace installation and vent termination to be sure furnace is properly secured in place See Installation Instructions that vent terminates to the atmosphere and that vent tubes overlap properly See Installing Vent Assembly 2 Inspect chamber and venting to assure that these components are physically sound without holes or excessive corrosion and that the installation and or reinstallation is in accordance with Suburban s installation instructions Reference installation manual supplied with furnace WARNING It is imperative that the products of combustion be properly vented to atmosphere and that all combustion air supplied to burner be drawn from outside atmosphere 3 Check the base on which furnace is mounted Be sure it is physically sound void of any sagging deterioration etc 4 Inspect furnace the venting ducting and
53. o the thermostat electrode and burner 6 Costs incurred in gaining access to the furnace 7 Parts or accessories not supplied by Suburban 8 Freight charges incurred from parts replacements 9 Damage or repairs needed as a consequence of any misapplication abuse unreasonable use unauthorized alteration improper service improper operation or failure to provide reasonable and necessary maintenance 10 Suburban products whose serial number has been altered defaced or removed 11 Suburban products installed or warranty claims originating outside the Continental U S A Alaska Hawaii and Canada 12 Damage as a result of floods winds lightning accidents corrosive atmosphere or other conditions beyond the control of Suburban 13 ANY SPECIAL INDIRECT OR CONSEQUENTIAL PROPERTY ECONOMIC OR COMMERCIAL DAMAGE OF ANY NATURE WHATSOEVER Some states do not allow the exclusion of incidental or consequential damages so the above limitation may not apply to you NO REPRESENTATIVE DEALER RECOMMENDED SERVICE CENTER OR OTHER PERSON IS AUTHORIZED TO ASSUME FOR SUBURBAN MANUFACTURING COMPANY ANY ADDITIONAL DIFFERENT OR OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS SUBURBAN PRODUCT This warranty gives you specific legal rights and you may also have other rights which vary from state to state IF YOU HAVE A PRODUCT PROBLEM FIRST If your RV has its original furnace and is still under the RV manufacturer s warranty follow the steps sug
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55. oni sqo unone ulu uoo u sues l udsoune e nbsn uonsnquio5 266 s l JioAnod hop uonsnquio5 266 s p mun 1 jo dsu l L 1u uu uuonouoj El auauew inod uosies ej sinoo ne 1lu lAuo2 Wnb suonneo 1d s l JUeUIBOUOD suopepuewwooa sin isnid snoss p I5 a uaseid uo 1Be olAi s 1u uu ssilqe1 un J9 0e U09 loJedde Ju uu eIp uuuli uonenoeA p nou l suep ains El ap e A S I luouu JUPID un S 1odioo no 5 s ewwop i nboAoid upunod sseiou s nb soe l sedde i 3u ul uuonouo 97 uomnenoeA p PNOO suep ms uone nuinooe inod Bejjneu5 ap uosies ej ap sino ne siow nbeu5 Jayoedsul abeyneyo ap jiasedde ap snajesiyn aseyatidoid 1 sues un nod uonon sqo no s uluulzi l 1edde e ale p Inoial SeinyeAno s l Ja Oedsu 2 s uto s l sno l i uoue lleued El ins sod il sedde i ap ju uu uuonouoj llino s EI lini no uone1ol i9 p s uBis s p mb tol moi 1 5e duu s uio s l sno l y dsul 9 2 suq p ains uone nuuno2e ullidulo
56. qi uono s oun JIUa UIeY L nbipul suep S JULANS SU Ononu sul s l Jaynoexe eBeyneyo il sedde i uoq l JHUeIeEB nod ASVAANVHO 20 TI331VddV 1 V va SLINGNOD 530 LN3AIWAGYOOOVY VO no nunuo2o uolsu luns no Z aBeyneyo e a Ue SUCD O SU un p aIN UUNOY SuONOUO xn p Eui dui i 1202 u leq ej osae US jqgo yos n SS M AUO l nb uo INessi AUOD un p ied e auauug Ju uu nbilo l yop pasedde IS Be qeS ai uonnquisip un 55 inod uone ol uono uip nb 5 yop uonesueyod n JneB5 u anod une yisod inod in ino po zuo sil S97 np 9399 suep s unef z 5 sil xne 1yueinoo US UODEIUSUUIS 1 JOYOUeIG O GO Sulow ne p aun E 1ue sis 1 UETOS un p sin jonpuoo s p s sin sujep o Jeoe dwies sess o u s S ZL Bne ap abeqeo un i silnn p spuewwodel 8 np lu uuoui ne ajuiod jedde juswow ne sjuesiyns un 1Juessiuino US No LUNWIUILW Ne UOISUa
57. rvice Center at rates mutually agreed upon between Suburban and its recommended service centers Replacement parts will be shipped FOB the shipping point within the Continental United States Alaska and Canada to the recommended service center performing such repairs All freight shipping and delivery cost shall be the responsibility of the owner The exchanged part or unit will be warranted for only the unexpired portion of the original warranty Before having warranty repairs made confirm that the service agency is a recommended service center for Suburban DO NOT PAY THE SERVICE AGENCY FOR WARRANTY REPAIRS SUCH PAYMENTS WILL NOT BE REIMBURSED For warranty service the owner user should contact the nearest recommended Suburban Service Center advising them of the model and serial numbers located on the furnace and the nature of the defect Transportation of the RV to and from the Service Center and or travel expenses of the Service Center to your location is the responsibility of the owner user A current listing of recommended service centers may be obtained from Suburban s website www rvcomfort com If you cannot locate a recommended service center locally the service agency chosen to perform warranty repairs must contact our Service Department at 423 775 2131 for authorization before making repairs Unauthorized repairs made will not be paid by Suburban THREE YEAR LIMITED WARRANTY ON HEAT EXCHANGER The furnace heat exchanger is further warr
58. s s l SH ABM e ul p Np uononp 1 un ap syjuesodwoo s p jIsseoxe UN es yosns SUOIXeUUOD s p li uoue p yneyep un ll 1edde ap assieo ej ins s npuoo s p suoix uuo2o s p s eyoue s 5 od 8 in u Jui n med oue sip el ino i Ne podde Jed 06 e 1osed un Ins 5 up D uonelle sui p se5 ug INOJaJ ini AnO 5 D BA Jonge E uooe siewel yop ou od gl R lle su 6 NOL e p od g suou e opd hop ou nHos nsI6 1 unonv Z suioui no od z s inpuoo snid uou sed N ie afpt Oea Sues s nof E liog 4214 uoz no om s un p 1lu uunieduuoo Jed oeds un suep ulu s Inb 1JInpuoo2 un p oduo 11u39 sed ON 1 Bejineuo s uonoq s p ne alu ne suduuoo synpuoo pno l no suep UOOUSe unone sues od gy SUIOW iqil uono s un Jayoue d SNOS s lle sul 1405 ID Silnpuoo s l nbsuo S l poul s sno INOd JOS snos uopesijeues E Ju ui eB lqe liddy od asJQWEeIP silnpuo ulnuululuq 5eynev sayonog s p ne zlu ne suduuoo A sjinpuod pno l no suep uonoins i un ne sues 20d gy SUIOW ne p i
59. sed on the coach door panel or cover will not discolor or warp from the exhaust temperature whenever any door panel or cover is in the open position FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND CAUTION Due to the differences in vinyl siding this appliance should not be installed on vinyl siding without first consulting with the manufacturer of the siding or cutting the siding away from the area around the appliance vent LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE CAUTION In any installation in which the vent of this appliance can be covered due to the construction of the RV or some special feature of the RV such as slide out pop up etc always insure that the appliance cannot be operated by setting the thermostat to the positive OFF position and shutting off all electrical and gas supply to the appliance Never operate furnace with vent covered Part Number 204556 12 23 08 NOTE This furnace must be installed and vented as described in this manual so that the negative pressure created by the air circulating return air fan cannot affect the combustion air intake or venting of any other appliance It is imperative that the products of combustion be properly vented to the atmosphere and that all combustion air supplied to burner be drawn from the outside atmosphere See Installing Vent Assembly NOTE This furnace shall be installed so the electrical components are pro
60. skin and slide it onto the furnace intake See Figure 2 Minimum tube overlap of 1 2 is required 3 Insert the vent cap assembly with heat shield collar through the 3 diameter hole in the RV skin as illustrated in Figure 2 Slide vent cap exhaust tube onto furnace exhaust Minimum tube overlap of 1 1 4 is required 4 Attach vent cap assembly to outer skin of RV with the six 6 screws provided Do not install vent assembly upside down The word Suburban must be right side up CONNECTING GAS SUPPLY Connect the gas supply to the furnace at the manifold following the suggestions outlined below NOTE The compound used on threaded joints must be resistant to liquefied petroleum LP gas NOTE The appliance must be disconnected from the gas supply piping system during any pressure testing of that system at test pressure in access of 1 2 The appliance must be isolated from the gas supply piping during any pressure testing of the gas supply piping system at test pressure equal to or less than 1 2 PSIG 1 Be sure that the gas fitting is outside of the furnace jacket and easily accessible See Figure 1 The fitting may be connected directly to the 90 elbow at the gas inlet to the furnace 2 After the furnace has been connected to the gas supply all joints must be checked for leaks WARNING Never check for leaks with an open flame Turn on the gas and apply soapy water to all joints to see if bubbles are formed
61. sues suoneued 1 s l sed eared au ueqinqns uonesuol ne sun n qo inod suoneued 1 s l 1J9m 93JJ p JUBAe LZ G Zt O1 uunu Ne Ju ui lued p ano 19 9e U0D nue1eB snos xneAe UONDEx a JNOd 181042 nu o np j uuos d Ieool aolAJas nu o sed ye Au nb JUBUBAPY WOd LOJWOOAI MMM 5 s ueqinqnS E s pu uuuuo2 81 s nu o s p S BUN J1U9 qO in d uo lAH S nu o I uuosi d Ju ui oeld p SILI s NO Bd AJOS aile alle BIIOIWOP UOS nu np Hodsue1 5111 s l JewuNsse Yop in lesiiiin 1re udoud 1 aljewoue ameu el ins senbipul aes oj uunu oj guunu l Jueuuonu ui US pu uuuuo5 1 UEQinqns ailes one uoo1d snid s yoe uo eJAEp nueueB6 snos s lless u S HM S s tu qo INOd uonelle sul p ne yneyo np alias souen s nbn JUSAIOP sjuepu d pul syuesodwoo seq nbn leuB6is ei sjuesoduuo2 s s sno spu ldulo zop uino i ne yneyo un 10 614 59 0 uos g no uequnqns E sjuesodwod sa Nes ayneyo l
62. tected from water IMPORTANT If this furnace is to be connected to a common duct system also serving a cooling unit a manual or automatic damper is required to prevent any cold conditioned air from circulating back into the furnace Cold air passing over the furnace combustion chamber during the operation of the cooling unit can result in the formation of condensation inside the furnace combustion chamber This condensation may promote corrosion and premature failure of the combustion chamber This furnace is design certified for Propane LP gas only Do not attempt to convert to natural gas Gas supply pressure for purposes of input adjustment Minimum 11 W C W C Water Column Maximum 13 W C In the U S A the installation of the furnace must be in accordance with local codes and regulations In the absence of local codes and regulations refer to the latest edition of 1 Standard for Recreational Vehicles NFPA 1192 2 National Fuel Gas Code ANSI Z223 1 NFPA 54 3 Furnace must be electrically grounded in accordance with the latest edition of the National Electrical Code NFPA 70 This unit is equipped with an electric ignitor device that has an energy consumption of 1 amp 12 volts D C In Canada the furnace must be installed in accordance with 1 Standard CAN CSA 2240 0 2 08 Recreational Vehicles 2 CSA Standard CAN CSA Z240 6 2 08 C22 2 Requirements for Recreational Vehicles 3 Standard CAN
63. y or the gas sup plier WARNING Be sure the furnace and all qualified service technician for repairs If you cannot reach a gas supplier or qualified service technician contact the nearest fire department Do not turn on the gas supply until the gas leak s has been repaired ignition systems are OFF during any type of refueling and while vehicle is in motion or being towed INSTALLATION INSTRUCTIONS WARNING Installation of this appliance must be made in accordance with the written instructions provided in this manual No agent representative or employee of Suburban or other person has the authority to change modify or waive any provision of the instructions contained in this manual This book contains instructions covering the operation and maintenance of your furnace INSTALLER LEAVE THIS MANUAL WITH THE APPLIANCE CAUTION If possible do not install the furnace to where the vent can be covered or obstructed when any door on the trailer is opened If this is not possible then the travel of the door must be restricted in order to provide a 6 minimum clearance between the furnace vent and any door whenever the door is open CONSUMER RETAIN THIS MANUAL FOR FUTURE REFERENCE Should you require further information contact your dealer or nearest Suburban Service Center NOTE The exhaust temperature of this furnace could discolor or warp some materials You should verify that the material u
64. your trailer manufacturer To do so could cause improper furnace operation 14 Do not install air boosters in the duct system Such devices will cause the furnace to cycle on limit and to have erratic sail switch operation 15 Clothing or other flammable material should not be placed on or near the appliance 16 Always follow the operating instructions Do not deviate from the step by step procedures 17 Do not use this appliance if any part has been submerged under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control that has been submerged under water 18 When considering add on rooms porch or patio attention must be given to the venting of your furnace For your safety do not terminate furnace vent inside add on rooms screen porch or onto patios Doing so will result in products of combustion being vented into the room or occupied areas 19 In any installation in which the vent of this appliance can be covered due to the construction of the RV or some special feature of the RV such as slide out pop up etc always insure that the appliance cannot be operated by setting the thermostat to the positive OFF position and shutting off all electrical and gas supply to the appliance Never operate furnace with vent covered HEAT SHIELD COLLAR EXHAUST N 7 3 50 FROM CENTER LINE OF INTAKE TO CENTER LINE OF EXHAUST 7 50
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