dynatrail installation instructions for models nt-30sp • nt
Contents
1. seqni 59 ejue ejqeueAuoo 39U8 sIp e e je ajnolyan np IoJed ejqissod euooJud ssne jos jiejedde ep ejeuje enb e Jaen jeuuonisog 9 eunBy IoJed e suep Od Z ep 6 aunBy 1 9ane ue jresedde ep Jeoe d ep sure 2195 Ioled ej suep od x od 9 7 ZL ep eunueAno aun r a seJeneuu sep uoreJjedes ep seouejsip 591 sn d reuedde ep suoisueuuip xne eupuodsoJjoo np sa siog ejqnsnquuoo no side a Jednooep mad uo uo Is resedde ep suoIsuswip xne s in u dns no ep ep no sioq ep neeuued un snos 190814 yop uo sioq ejqnsnquioo jos ep no enbneuju s aBejaJes side ins juawajoaJIp ejejsur 159 un nbsio7 eunBy med 89100 591 Ins ne uoneJedos eou2. as IPIOAJSA Jjeuoeduue e eunsep e un Jojje sul uo ep reuedde un 1u uu eB inb synpuos un e opJjoooeJ yop ebeyneyo ap jiosedde IS 1 ep uonej e1su JIOA eeudsouuje suep os Jed uonsnquuoo ep nO enb suep 5919191 jueuje qeueAuoo u los uonsnquuoo ep synpold s 159 un p uonsnquuoo 226 sep ej no ue uonejueuuie Jajoaye essind eu ep a Jed uorsseud eun nb uye jonuew 99 suep segjueseud suonduosep xne jueujeuuojuoo e e ales yop ep 189 310 lu Anoo 1 159 ep euonoq e enbsJo ep Jjeuuonouo s ewel N losedde ap 226 uonejueuie ejnoj uonisod ej e je1souueu a 19 691 ejoo uorseoo0 9739 Jeuuorouo essind eu anb eo e sunofnoj yop uo uono s
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6. ep eqni a G sejqisi jue vop uequnqng 581 e ep euonoq e jej ejsul sed eu e seiunoj SI 9 xis say Jene yA Ins ep euonoq Jexi4 p eJresseoou 159 od y nep un eunByy ep ep ep eoyuoj suep 1eJesuii yA np ioJed e ep euonoq ep eqni JeJosu suep eqni od z nep un A yop ej ep esud suep 19 IN 99 YA np IoJed e e uoissiupep eqni a JeJesu Z lenu o euoz e ep ep uns eiuouumued sues ep a e YA np roJed ej ins un Janbiiddy uonenoe ep uoissiupep SA Jejeisuip jonuesse 159 Jeg YA np Anaiajulj e siewef 94na1193x9 suep f i Hop uons
7. eun nod ejnoj Jeutuu3 e ep Jejoedsu Z sjuto sa sno ep eyeuoueje e ns esodai ieedde ep ep ajunoes e7 eynj no sep inb jurof 1noj sjulo 591 sno Jajoadsu 9 no eins ep uone nuinooe ejnoj Jef un euneugjxe eJeudsouuje uonsnquuoo ep sep iu ep egAuJe jse uonsnquioo eJquieuo e ep anios e e je e sa eJlesseoeu uoneJedoJ amo Jenj09y3 uonelougjep ep seoipul se 726 uonesi eueo e je ep 19j2edsu p 949 no juawessieye p eouesqe enbis ud 1s jlesedde ejoonbe ins eseq e 5 9 N9119 X9 suep A l id yos asin uonsnquios ap anb je suep juelos uonsnquioo ep s inpoid se enb jnejedui jse 9
8. euoz no Un p yu wedwoo Jed eoedse un suep es inb un p sed ON JLON ep seuonoq sep neeAu ne A syinpuoo ep aj no suep eunone sues gy eJqi uonoes eun Jiuejureu Jeyoue d e snos 3uos se enbsJo se SNO od y ep synpuos y ep seuonoq Sep ne A synpuoo ep e suep uonoujseJ eunone sues od gy SUIOW aqi uonoes eun dS FE LN e od y ep synpuos ep seuonoq sap ne A synpuoo suep eunone sues od 9g nep uoroes SUN qSOE LN sa L anbipul suep se Jaynoexe ep ep JyueJeb 39VIINVHI 1 V SLINGNOD S30 ININIOJODIVA no enunuoo uoisueyns ajno ep Z ep jlasedde e ejuejsuoo aun p xnep 1999 e Jene ue ejqeo j
9. L euigjs s np yop uo od q Z L e no uoisseJd eun e 226 ep suonesijeues sep ep 159 un p 5107 JLON euigis s np 19 o uuoo p yop uo od q z e e1neuedns uoisseJd eun e np 2 ep suonesijeueo sep ep 159 5107 3 LON euedoud sjoyo XNE juejsisoJ euejne n ej Ins oyeuouejo p esoduioo mo ALON SUOIXeuuoo sep no uorxeuuoo ep sep s10 e Ins ep eJes snossep ip xne uoneyueull e p a n ngn ej ep neeAiu ep 226 ep eoJnos e ZV9 NOLLVSITVNVD LNSNJAUOIIVA 2 e nby HA np Ioled ap ep eqni np eurepijos jreyeddej e pua 1999 ep reseddej ep ep suep es inb epuq ej suep SIA JeDeBue eDueuoop e SUEP 399 e nA 1d a SIA JOIBSU luinoj od p ep ejeroeds SIA e ep uns ep
10. JeoejdujeJ no JoAoyau np ej INS uoisoJ109 ep no ep eaisseoxe uone nuunooe eun e A eunBy uonsnquaoo ep e ses9ep enbejd ej juexy p SIA sa 1ajo Jedrouud a Jeyoedsur JIOANOd JeoejdujeJ no Ja oyau ep yos unb lqissod 1se jeyedde eiugop jew ep seunef juejquies SOWWEY 591 IS 6 ej euuo ep senejq yop in lniq ins s jueuienbipoued eyijenb ueroruuoe un eireuuoisseouoo je els e ep e A lejedde ep jueujeuuomouo un 52 5 ajejduoou 159 uonsnquioo enbsJo es eins e eq e suep eins ep e jueuienbipoued JeuoJeuoes Z a sjuesoduioo sep jueuienbiun eBejjneuo ap reedde 789 ans sanojesi nn sep eyanoes olduu SNOU juop Sap 9u2Jeui INS nad UN jreuedde jueujeuuonou
11. uoneunByuoo eun suep ep ejqissod sed jse Inbsio1 MIV Q NOISSINGV d SIANL SIA NOISN3LX3 23AV NOILVTIVLSNI 0 ep uonejjejsu ep euonoq e Jejejsu Z e resedde neq suep joya 192 e snagid z say 1uesi nn ue ne ap 1 9 eBueuoep seqni se ejqeueAuoo oouejsip e e np IoJed ep ejqissod euooJud ssne jos ep enb 90 e Jala 6 uonsnquuoo ep sap je uoissiupe p eqni p E Z np uosiojo e suep L einby ep sa uojes uonsnquuoo 226 sep uoissiupe p sep exe Jeuuonisod y neejqei a sejqnsnquioo seJeneuu sep uoreJjedes seouejsip 591 sn d jeuedde ep suoisueuuip xne arpuodsaJJo9 np sa siog ejqnsnquuoo no side a Jednooep mad uo
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13. sed ON 8 eyeAno jse anbsio resedde 1euuonouoj sed eu uononnsqo p ay llg ssod eun e A js np SUN P sJo sed ejes eu ll nb Jnod ep euonoq 1ejoedsur resedde iSuuonouoj ep Jueny Z 1 uutue ju s ep eiqndeosns xneze no epinbi eouesse ejqnsnquioo neusjew unone ep ep eyuixoid e N 9 eJlesseoou jse u eunony ejueueuued eun p jueroyeueq Inajow np sJeied se ep sep je sep op sauebio sep ojeudoud ej e ep jeJeduur 159 3uenboJj snjd un Jejssoeoeu nad 049 euey ep s pe sidej ep jueue oud seuonjed ep nuenb eun p e7 resedde ep ej y 2 equueuo e ep e eujeon e sjeAe e uonsnquioo ep e ep Jneugjui JeAjesqo s oje mad essieo e ep 1 0 s 3LON eyijenb u lioiuuo un Jejoejuoo 159 eouejsisse eun IS Jef un 255014 eun n q a Jnog
14. 192 OL Vd4N senbugoeje suoneljejsui sep Jeuoneu epo np ep suonduoseJd xne jueuiguuojuoo e e 91 91 jueuienbujoeje aBeyneyo ep 226 e suonejejsul sap euoyeu epoo YdAN L EZZZ ISNV seo jeuoneN Z euuou 2611 VddN S I9IU A JO plepuejs Jeynsuoo sepoo 519 e uesqe ue sepoo no jejo p sepoo sep sa yop uonel ersur 1 3 xny nea p 9uuo o2 39 od E 3900 eBejBoJ ep suy nod e uoisseJg Jeanjeu ne uonejueuue anod uoisjeAuoo eun ejpueudegue sed ay juawajnas euedoud zef ne juos eBeyneuo ep sjieyedde say nea e s ewel 1u los eu sjuesodujoo 521 enb eJerueui aja ep jreuyedde Jejejsu ALON ep jreuedde ep uonsnquuoo ep eJquieuo ej eouej ejop eun e eJinpuoo 8 e ned uornesuepuoo 9989 uonsnquioo ep suep nee p uonesuepuoo aun jleJejosns euuoniuo e 5 ep ep uonsnquioo ap suep ap
15. Jnejedioue unp p Un p 9 op ap 1 sbejgeo ep a jreedde ep 2400 ns snajq Sl xne Jej euuo ep sun p soUENyul sed eJiqns eu no 90218 e ep s aydsowye ep e esodxe ejes au no uosio o eun jns np snssep ne spaid g y e 5 ieue lt 440 gt e 391691 puewwo enb no ap jedde unone e u nbso 1n0 31 ep suep aros uoisue INNINV op au 5 J VISOMNY3HL NA NOILVTIVLSNI nbn leuBis enbejd uoneoipur uojes ep uoNe uswene nod sjuauwajsnfe sa Janjoaya sap ep ep uonejejsur seudy ALON yUeINOD e Jed Jn9j2ejuoo np ep un peunod 1999 ap aue s s e suep nas nd un Jej ejsui sed N uoneBojouiou e un p s npuos 581 159 eoedse un ALON eunBy e piesejd eun
16. LNIOF 31 NOLLVLN3WITV G JAVA UNS 3TI3ONOS V1330V 1d STISGNOY UNS LNIOF 31 48508 3AIS3HQY 39V4UNS H3SOdX3 UNOd Y3ldWd IT11N34 VT Y3A31N3 1 SNIOW NO Od UNOd 3ov44nvHO Tlasivddv 1 30 Y 3SINW3d Od O NOLIVEVd3S SONVISIC Od WNWIXVN N3SSIVAZ NOISSIWGv a agni 38NL IOV HOSIHLNI IOS Vd ZSNOUL 13 NOISSIWGV G 3HOnO8 381N3 Od Z l w NOLLWNOWAZ G 13 NOISSINGV d SXV 1381N3 Od 2 1 S3INYNO4 SIA 831 Y3SNIILN NOLIVTIVLSNIG NOLLVYNDISNOO 31 SALNOL SNVG NOISSINOV NOLIVNOVA3 O 3T8W3SN3 eyeAnoo9i 159 euonoq nbsio ep eur siewel N jexedde ep 226 nbino l ejnoj 1946 p uonisod e e a 19 691 nod uoIse990 999 e iSuuonouoj essind au enb 22 e Jalea sunofnoj yop uo lqe oen i lqe old p uono s y A ejeroeds enbnsuejoejeo sun p no np uoneinBijuo2 ap
17. saguna NOLLVOOTONOH XNYVIYJLYN SLINGNOO SVO 31SNVG Od 0 3413 13d 39NVISIO AY VIV Id NNA IOY Vd LNISUFAVAL SLINANOI 831 3105401 Od L NOILVHVd3S 39VdS3 NN H39VN3IA II VIAV NOILVYVd3S s3alina Odz dSve IN dS0C IN see 31300 z Od Z 3H13NVIG SNOYL xnaa S33HH3S NI38 LN3IOS 13 NOLIVA9VA3 0 38N 1 37 SNVO 3SIYd LN3NNPHd SSINHNOS SIA S31 AND 30 Y3T113A S3INHDOd SIA 537 NOISSINGY 37 YIHONV NOISSIWGV d 131143553 153 39 1N39 39V1V41VO 31 INDIaNI 3IWWOO 3H1N3O 3N9 V1 YNS 13 SDYWHOAC 13 NOISSIWGV d 3W31SAS NA 3413Wld3d YNOLNV LNAWASNSYANAD 39V1V41VO 31 23 0 LNIWILUVANWOI VALIAIWNNH 1 YNOd 13 ADYWHOAC 13 NOISSINOV O SSYNLYSANO 531 83113058 UNOd 3AINOO 39HVHO3QG 13 SWALSAS 34314430 Z31Vv41v9 y 38N DIA Od Z 30 SNI4 NN YNOd Od Z 30 WRWIXVW 31V3nN nassivda NOILWTIWLSNILG 39 YNOd e7 0143S NOLLISOd VS Y anOSnr INYA V13SSIA NO NDSYOT 139 VddV 1 30 3SSIVO V1381NO9 3LI3HONV13 1 H3HhSSV
18. ejqusnquioo un sa no xne od nep eoedse un 9 eoueuuojied eun juayosns seq ep e suep ep sjueueBueuo ep eJquiou jestulullN S ep jisseoxe Be o o un JenboA oud penod je pneuo uonnquisip ep suep enbneijs uoisseJd 1999 sep ep senbsnuq se y ap uu s s 9 e pneu np uononp 1 eun ap sep JISseoxe jueuieyneuoe un sep un ep essieo e jns sep suorxeuuoo sap 9yououeje JeJnssy od 8 e mad eouejsip e ne 06 e loved eun ans un p uonejje sul p ses Uy ep SINJISANO SISA Jojjnos e siewel eu od e easiDeJ g ep e soejd yop eu enjJos ep aujs a Z no od z ep sa snjd uou sed ep sues sjenof e aydq
19. uo Is ep suoIsuswip xne s in u dns no ep ep no sioq ep neeuued un jrejedde snos 190814 yop uo sioq jos ep no enbneuju s side ins juawajoaJIp ejejsur 159 jreyedde un nbsio7 e ap seoueijsip se e e e eiqer e sajqnsnquios sajeneu se je ieyedde uonejedos ep Seouejsip se Jajpadsey sep almpold ep sej qndeosns 219 eueyne n ap sed e no un AISIOUI Z 5101 np JUBAR 208 ep euonoq Jeoejd sed np np lqissod enb said issne uosiojo eun uns ap ap uonejje sui p 15105 L od p Z uonelle sui p d anod uosio 5 e ep Inassiedy z ej 31N9IH3A ANYALNI IOUVd DJAV LOVLNOD NOLLVTIVLSNI 8 ep uoNNejje suj SBIeyosp ep euonoq e Ja e3su 8 ej ep neq suep joya e snagid snoJ z xnep sa uesi nn us Jeuouejd ne sBeyneyo ep Joxi4 Z
20. AND INTAKE AND TO PREVENT MOISTURE INSIDE FURNACE COMPARTMENT APPLY CAULKING GENEROUSLY AROUND PERIMETER OF VENT CAP AND ACROSS CENTER AS SHOWN CENTER PUTTY STRIP IS ESSENTIAL ANCHOR VENT ASSEMBLY WITH THE SCREW PROVIDED BE SURE SCREW ENGAGES FURNACE EXHAUST TUBE AND IS PULLED SECURE INTAKE TUBE 3 4 DIA TWO HOLES Figure 2 FURNACE DIMENSIONS MODEL x Y SPACER BUMPS MAINTAIN A ONE INCH CLEARANCE WHERE DUCTS PASS THROUGH A CABINET WALL UL LISTED DUCT MATERIALS CAN BE 0 CLEARANCE Figure 3 EXTENSION TUBE MIN MAX LENGTH EXTENSION TUBE RANGE KIT NUMBER Figure 4 COMBUSTION CHAMBER CABINET GAS INLET BURNER OBSERVATION C D BURNER ACCESS DOOR WINDOW Figure 7 CORRECT FLAME INCORRECT FLAME Figure 9 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 REMOVE SOOT OR LOOSE DEBRIS Figure 8 Figure 10 Figure 11 Item No Na 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 Number Serial Number and
21. gas supply to the appliance Never operate furnace with vent covered NOTE These furnaces must be installed and vented as described in this manual Part Number 204555 12 23 08 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 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 NOTE These furnaces shall be installed so the electrical components are protected from water These furnaces are 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 ab
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23. jueujenbiun 59 ep 590 3QqNV9 ISIN 3N0I4 193713 NVASAY nv INIINNIOJODIVY ejinj eun sejnq uoneuuo e tuorxeuuoo anbeyo ns uonnios e Janbijdde 2 ap sente 5 sa 1949494991 nod enu swwey eun LN3IWN3SSILSHSAV Seyn sep ep uonoedsur eun Janj0aya sjueulepjoooel se ejnoexe seldy 2 un p ep uonesi eueo e resedde julod np juowe ue ejgisseooe 8 ep psoooes un yop uo 226 ue uoisseJd e ap Z g edde ep sjuesodujoo ap JISseoxe un enod uo a Jejejsurp llqno uo IS ej uoreasni resedde ep essieo e ja eiue presedde Junoy Jejejsul e Jeje eyeuoueje Jeunsse 1nog resedde ep ep v 06 e epnoo juauajoaJIp 9j euuoo OP pjoooeJ 22 enBy 9 disseooe ep essieo e ep 1 e os 226 ap e uorxeuuoo pJoooeJ e enb eo e
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26. 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 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 f
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28. 21951 Screw 10 x 3 8 2 Required 70 Bracket motor Mount 3 Required 062138 Wire Clamp ihe 72 Gasket Crossover Tube 2 Required Splicer 230714 73 Crossover Tube Bushing 230218 75 Motor Assembly NT 30SP Bracket Power Supply 063248 Motor Assembly NT 34SP Switch ON OFF 232351 76 Gasket Motor Mount e ax Bracket 063522 77 Housing Combustion Air Assembly NT 24SP NT 30SP 390179BK Module Board 24 520820 Housing Combustion Air Assembly NT 34SP 5 Insulator Module Board 070807 79 Wheel Combustion Air Panel Board Mounting 090301 81 Gasket Combustion Air Housing Vent Cap and Exhaust Tube Assembly 260573 82 Housing Combustion Air Outside Intake Tube Assembly 050906 83A Tinnerman NOTES SALON eee ee ueuueuulj vea ep Jie p Jneugjxe JULY 28 ep 18 uonsnquuoo ep euigin l 64 dSt LN uonsnquioo ep nu p dSZ LN ep Joe 11 ujor 97 dS v LN nao dS O LN Insjow GL 77 UoIxeuuoo ep eqni Z Z uoixeuuoo ep qn ulor u np ep epug 04 Z 99 7 99 Z 8 9 X 9S Z oU SIA 99 dSv LN dS0 LN enenourb
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32. Date Code of Furnace 4 Number of Parts Required Part Item Part Description Number No Description Number Cabinet Assembly 101874 46 Screw Vent Exhaust Tube sss 121711 Fastener Tinnerman 2 Required 121662 48 Burner Assembly Gasket Bottom Duct Adaptor 49 Orifice Main Burner NT 30SP Required Only if Bottom Ducting is 062164 Orifice Main Burner NT 34SP Cabinet Front NT 30SP 101871DG 50 Gasket Manifold Cabinet Front Nt 34SP 101873DG 52 Manifold Pipe Duct Collar 3 Required on Model NT 30SP 53 4 Required on Model NT 34SP 050715 54 Thermostat 161154 56 Power Supply Harness 520322 57 Electrode 231933 58 Burner Access Door 030764 59 Pipe Assembly Gas Inlet Includes Item 57 Gasket Gas Inlet Pipe Elbow 90 Gasket Disc Cover Disc Cover Gas Inlet Gasket Electrode 070163 60 Gas Fitting Gasket Burner Access Door 070398 61 Wheel Room Air Combustion Chamber Assembly NT 30SP and NT 34SP 020932BK 63 Blower Housing Assembly Limit Switch NT 30SP a u conc 231244 65 Microswitch and Paddle Assembly NT 30SP NT 34SP 230509 Limit Switch NT 34SP 66 Screw 2 56 x 5 8 2 Required 121247 Bushing 68 Nut 22 56 2 Required 1
33. Suburban Manufacturing Company a division of AIRXCEL Inc NT 30SP DYNATRAIL INSTALLATION INSTRUCTIONS FOR MODELS SUBURBAN MANUFACTURING COMPANY 676 Broadway Street Dayton Tennessee 37321 423 775 2131 www rvcomfort com NT 34SP 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 WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Refer to the instructions and or owners manual provided with this appliance Installation and service must be performed by a qualified installer service agency or the gas supplier installation This book contains instructions covering the operation and maintenance of your furnace INSTALLER LEAVE THIS MANUAL WITH THE APPLIANCE CONSUMER RETAIN THIS MANUAL FOR FUTURE REFERENCE Should you require further information contact your dealer or nearest Suburban Service Center INS
34. TALLATION 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 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 NOTE The exhaust temperature of this furnace could discolor or warp some materials You should verify that the material used 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 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 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
35. ace it must be replaced with Type 105 C or its equivalent Connect the power supply to the quick connect pigtail on the right 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 For Model NT 30SP maintain a minimum of 36 square inches open duct area throughout entire duct system including through register Minimum 3 ducts 4 diameter For Model NT 34SP maintain a minimum of 48 square inches open duct area throughout entire duct system including through register Minimum 4 ducts 4 diameter On all models maintain a minimum of 48 square inches throughout entire duct system including through register when under floor ducting is used 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
36. 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 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 furnace 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 vol
37. e 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 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 d
38. ebris should be blown out using compressed air See Figure 8 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 monthly 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 products 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
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41. er as shown 2 Insert intake tube through RV skin and slide it onto the furnace intake See Figure 2 Minimum tube overlap of 1 2 is required 3 Insert vent cap exhaust tube through RV skin and slide it onto the furnace exhaust See Figure 2 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 5 Attach the vent assembly to the furnace using the special 3 1 4 screw provided Insert screw through hole provided in exhaust opening of vent assembly and secure to bracket in exhaust tube of furnace This anchors the furnace to the vent assembly and the outer skin of the RV See Figure 2 CONNECTING GAS SUPPLY Connect the gas supply to the furnace at the manifold following the suggestions outlined below It will be necessary to hold the flare fitting on the furnace manifold when connecting or loosening gas line 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 PSIG 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 gas fitting is out
42. m clearances to combustibles See Table 1 4 Locate center lines for exhaust and intake tubes as shown in Figure 1 Cut two 2 3 4 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 firnace 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 connect the exhaust and intake tube to the vent assembly 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 position the furnace in its permanent location 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 Figure 4 lists by kit number the vent extension range up to 9 Example If the distance you measured is 2 7 8 using Figure 4as your guide you will order Kit 520498 which acc
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44. o be installed against the outer skin of the coach See Figure 1 5 Cut two 2 1 4 diameter holes through the outer skin of coach as shown in Figure 1 6 Put furnace in place making sure that 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 the furnace cabinet See Figure 1 8 Install vent assembly See instructions for installing vent B INSTALLATION DIRECTLY AGAINST INNER WALL OF COACH 5 e e 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 plus the appliance minimu
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46. ollow 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 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 THE SCREW PROVIDED MUST BE USED ON ALL INSTALLATIONS 3 1 2 FROM CENTER LINE OF INTAKE TO CENTER LINE OF EXHAUST 7 1 2 FROM CENTER LINE OF INTAKE TO FLOOR TWO 2 1 4 DIA HOLES INSIDE WALL OUTSIDE SKIN NOTE 0 CLEARANCE PERMISSIBLE AT REAR OF FURNAC FOR A WIDTH OF 3 MAXIMUM ai GAS FITTING GASKET PEEL OFF PROTECTIVE PAPER TO EXPOSE THE ADHESIVE SURFACE ATTACH GASKET TO WASHER PLACE WASHER OVER GAS FITTING THE GASKET SHOULD SEAL AGAINST CABINET WHEN GAS FITTING IS THREADED INTO POSITION ANCHOR TO FLOOR Figure 1 MAXIMUM WALL THICKNESS FOR THIS UNIT IS 2 1 4 SEE FIGURE 4 IF MORE THAN 2 1 4 WALL THICKNESS CAULK BEHIND VENT CAP AS SHOWN TO SEAL BETWEEN EXHAUST
47. ommodates 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 Front Left Right Top Bottom Side Side Exhaust and Intake MERA NT 30SP 30SP NE Fer NOTE 0 MEANS TO SPACER BUMPS CLEARANCE FROM DUCTS TO COMBUSTIBLE MATERIAL 1 See Figure 3 TABLE 1 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 cent
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49. 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 9 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 SeeFigure 7 If excessive rust and corrosion are present on burnersurface 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 7 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 appliance 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
50. provide the minimum return air will cause erratic furnace cycling 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 have return air openings from this area A INSTALLATION DIRECTLY AGAINST OUTER SKIN OF COACH See Figure 1 Maximum wall thickness for this type installation is 3 1 Locate the furnace near lengthwise center of the coach Do not install the furance 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 NOTE Side and top clearances may be 0 for through the wall installations up to a maximum wall thickness of 3 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 This will allow the rear of the furnace t
51. sence 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 Z240 0 2 08 Recreational Vehicles 2 CSA Standard CAN CSA 7240 6 2 08 22 2 No 184 08 Requirements for Recreational Vehicles 3 Standard CAN CSA Z240 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 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 Other openings may be used as well The minimum return air to the furnace must total 55 square inches free area It is important that adequate return air be provided to assure normal heating and operation of the furnace Failure to
52. side 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 To assure an airtight seal be sure the gasket provided with the furnace is installed between the fitting and the furnace cabinet as illustrated in Figure 1 If this gasket is omitted it could result in overheating of component parts within the furnace 2 In order to maintain a check on gas supplied pressure to the furnace a 1 8 NPT plug tap must be installed and accessible for test gauge connection immediately upstream of the gas supply connection to the furnace 3 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 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 repl
53. tage 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 wires to the blue wires leaving power supply plug on right side of furnace 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 longer 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 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 caus
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