Thermo Products OH6FX072DV4R manual

MO - 437 ECN 5338 - MA 14 030 1 Made IN USA OIL FIRED FURNACE INST ALL ATION AND OPERATION M ANUAL WITH USERS INFO RM ATION SECTION MODEL: OH6FA 072D48B OH6FA 072DV4B OH8FA 119D60B OH8FA 119DV5B OH6FA 072D48R OH6FA 072DV4R OH8FA 119D60R OH8FA 119DV5R OH6FA 072D48N OH6FA 072DV4N OH6FX07 2DV4R  WARNING: IF THE INFORMAT ION IN THESE INST RUCTIONS I[...]

i CONTENT S SECTI ON PAG E I. SAFET Y SEC TION 1 A. CODES AND CLEARANCES 3 B. MA KE - UP AI R 4 II. GENERAL INSTRUCT IONS 5 A. CHIMNE Y 6 B. VENT ING 10 C. DRAFT REGULAT ORS 11 D. DUCT W ORK/AIR CO NDITIONING 11 E. AIR F ILTER (S ) 15 F. LIMIT POSITIO N AND LO CATION 17 G. BURNER INST ALLAT ION 18 H. BURNER SPEC IFICAT IONS A ND AP PLICAT ION S 19 [...]

ii Model Number D ig it 1 2 3 4 5 6 7 8 9 10 11 12 Fuel Configura tion Heat Exchan ger Identifie r Flue Feature Capacity Capacity Capacity Blower Typ e Clg Airfl ow Cap. Clg Airfl ow Cap. Burner Oil Furna c e Model Nomenclatur e Example Model Numbe r s O H 6 F A 0 7 2 D 4 8 B O H 6 F A 0 7 2 D V 4 R O H 8 F A 1 1 9 D 6 0 B O H 8 F A 1 1 9 D V 5 R O[...]

1 I. SA FETY SECTION This page and the following c onta i ns v arious wa r ni ngs and cautions found throughout the Oil Furnac e Manual. Please read and compl y with the statements be low .  WARNING AND C AUTIONS:  WARNING: This furnace is not to be used as a construc ti on heat er. See Pag e 3  WARNING: The predeter mine d limit l ocati o[...]

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3 The entire text of these instructions must be read and unders tood, before installing the appliance. It is the in staller's respon sibility to do the following: 1. Inform and demons trate to the user, t he correct operati on and m aintenance of the app lianc e, as explaine d in the Homeow ne r /User Informa tion and Routine Maintena nce sect[...]

4 b. Non - combust ibl e mater i al: “...m aterial that is not capa ble of bei ng ignited a nd burned; s uch as m ater ial consistin g entire ly of, or a c om bination of, stee l, iron, brick , concr ete, slate, asbestos, glass, an d plaste r.” : Carefully read and thoroughly understand the fo l lowing guidelines a nd warnings before c ontinuin[...]

5 II. GENERA L INSTRUCTION S - READ BEFORE S TART OF INSTALLATION 1. The he ating outp ut capa city of the f urnace pro posed f or installat ion sho uld be based on a heat loss calculati on made ac cording to the m anuals provide d by the Air Co nditioni ng Contractor s of Am erica (ACCA) or the Amer ican Societ y of Heating, Ref rigeration a nd Ai[...]

6 A. CHIMNEY : The f urnace mus t be conne cted to an adequate c himne y or an appro ved vent i n accor dance wi th these instructio ns. An a dequate c himne y i s one that is s ealed an d lined with t he capab ility of producing a ( - ). 04" W C flue draft and ha ving th e capacit y to handle the amount of stac k gases that are introduc ed in[...]

7 2. PROPER CHI MNEY HEIGHT: The chim ney shall term inate at least 3 feet above the highes t point where it passes through th e roof of a building a nd at least 2 feet high er than an y portion of a buil ding withi n a horizontal dis tance of 10 f eet. (See Fig. 2a). Fig. 2: Prope r chimney t ermination he ight for p itched roofs If the chim ney p[...]

8 4. PROPER CHIM NEY BOTTOM LEV EL: In cases where th e chimney ext ends to t he basem ent f loor, the draf t can usu ally be im proved b y filling the base of the chim ney with sand t o with in 12 inches of the vent conn ector pipe after reloc ating the c lean - out door. (See F ig. 5). Fig. 5: Suggeste d method t o improve c himney draf t. 5. TIG[...]

9 Fig. 7: Alternate construction s that allow reduced clearan ces to com busti ble materials. REDUCTION OF CLE A R ANCES WITH SP ECIFIED FORMS OF PROTE CTION: T y pe of protecti on applie d to and coverin g all surfaces of combus tible material wit hin the distanc e specif ied as the require d clearance with no protec tion unless otherwise no ted, [...]

10 B. VENTING: NOT E: On the OH 6 & OH8 it is possib le to rotat e the fl ue elbow ( which is f actory i nstalled for vertical discharge) 90° co unter c lock wise from t he vertical pos ition to adapt to v arious ve nting s ystems . The OH 8 flue elbo w can als o be rotat ed 90° clockwise. Notice : Block ed Vent Swit ch Installat ion The bloc[...]

11 C. DRAFT REGUL ATORS: Note: Do not use with Direct Vent a pplication. A draft regul ator is sup plied with t he furnace an d should be i nstalled ac cording to th e regulator manuf acturers r ecommendations . W ith the burner o perating , use a draft gau ge to adjust the r egulator to the proper s etting. (ref er to the instruct ions enc losed w[...]

12 1. Suppl y and return a ir ducts have to be f urnished by the insta ller an d run betw een the a ppliance, which m ust be inst alled out doors, an d the inter ior of th e structur e the appl iance serves . These d ucts must be s ealed to t he casin g of the appliance. 2. To reduc e the trans miss ion of vibratio n and noise to th e duct s y stem[...]

13 g. Using the s electe d air flo w rates f or each com ponent o f the duct s ystem and manuf acturer’s literature, or publ ished liter ature on d uct s ystem press ure drops, the press ure drop f or each component in the duc t s y stem can be estim ated. The ASHR AE Handb ook – Fundam entals is an excel lent source of duct s ystem design prin[...]

14 Table 3: Suggested Duct Sizes for Homes, Quiet Offices, Or Si milar In s t a l latio ns (Based on a 0.1 in. W.G. static pressure drop per 100 ft. of duct.) 7. The s upply and ret urn air d ucts, or f lexible joi nts, shoul d be careful ly secur ed and sealed to t he applianc e housing t o preve nt air leak age from , or into, the d uct s ystem. [...]

15 SIZING THE DUCT W ORK FOR A COM BINA TION H EA TING AND COOLING SY STEM: Two form ulas m ust be used in determ ining the CF M requir ements of a com bustion heating and coo ling s ys t e m . 1. HEATING CFM : H E AT OUTPUT OF FURNACE (BTUH) 1.1 X T R (T EMPER ATURE R ISE, °F ) = HE ATING(CFM) EXAMPL ES: A. 11 0,000 BTUH OUT PUT 1.1 X 8 5°F TR =[...]

16 Connect th e ret urn a ir plen um to the filt er rac k and s li de the f ilter into p lace. D im ensions for ada pting t he return air plenum to the filte r rack ar e provided (S ee Fig. 10a & 10 b). Fig. 10a: A typical filter rack and dimensions for the OH6 furnace. Fig. 10b: A ty pical fi l ter rack and dim en sion s for the OH8 furnace. :[...]

17 Filter Ty pe Maxim um Air Velocit y (ft/min) Model Number OH6 OH8 *Therm o Products Supplied Pe rmanent 600 384 in² 480 in² Standard Perm anent 500 461 in² 576 in² Disposab le 300 768 in² 960 in² Table 4: Minimum Required Filter Area (in square inches) * The T hermo Produc ts suppli ed filter c an be cut to size to f it other f ilter rete [...]

18 G. BURNER INS T ALLATION: NOTICE: Rem ove all card boar d pac king f rom around cham ber before instal ling b urner. The oil bur ner wi ll mount on thr ee stud m ounting bolts on t he lower m ounting pl ate cov ering the op ening in the fr ont of the he at exch anger. The end of the b urner tube should be inserte d no f urther tha n 1/4 inc h ba[...]

19 Fig. 13: Bur ner insertion ill ustration (T op view) W hen mounting the b urner, the mounti ng plate (F ig. 12 ) must be r emoved to provide acc ess to t he area in front of the com bustion c hamber . A fiber ins ulating s leeve or am ulet is provided on the bur ner tube of specif ic Therm o Pride burn ers.(s ee Fig. 13). See Ther mo Pride burn [...]

20 Table 7: Oil nozzle capacit y All rates s hown ac hieved w ith 120 PSIG pump pr essure f or Beck ett and 140 P SIG pum p pres sure for Riello . * Based o n #2 dom estic heatin g fuel oi l having he ating va lue of 140, 000 BTU per gallon . ** Based on therm al eff iciency of 84% - 8 5%. Riello 2 - stage burner s pecifications and applications (O[...]

21 For m ore specif ic burner inf ormation, s pecificati ons or s ervice infor mation, r eferenc e the train ing manual enclosed with each R iello b urner or cont act: Riello Cor poration of Am erica, 5 Pon d Park Road H ingha m, Mass achusetts 02043 Phone: (6 17) 749 - 8 292 2 ST AGE FIRING R ATES C AP AC I T Y FIRING R AT E NOZZLE SI ZE Riello IN[...]

22 Verif y that the insta lled bur ner is lig htly leaned toward s the butto n. (See f igure 14 - 1) T he burner is designed to allo w entry of the f lexible oil - lines o n eithe r side of the burner. I. OIL TA N K AND PIPIN G: : All loca l codes and ordinanc es take precede nce w ith re gard to se lection and install ation of oil stor age tank an[...]

23 the pump. Pitching the line upward tow ard the tank will help prevent th e formation of air pock ets in the line. NOTIC E: A n oil safet y valve or a d elay ed - ac ti on, s olenoid valve should be in stalled in t he oil su pply line of all grav it y - fed sy stems. W hen the oil tank is locate d below the leve l of the burner, it is neces sary [...]

24 T y pic all y, control wir ing between the app liance and the indoor th erm ostat, and if used, electr onic air cleaner or humidif ier, will be requir ed. Field wiring of control c ircuits sho uld c onsist of copper con ductors rated for at least 15 am p service with an insu lation tem perature rating co nform ing to T ype T wire, 35 ° C temper[...]

25 in conju nction with a hum idistat to co ntrol a hum idifier. Thes e terminals are energi zed whene ver the blowe r is act ive. Figure 15: The Fan Contro l Module NOTICE: It is i mportant to confir m that the operating voltag e of the humidifi er or EAC being install ed matches the output of thi s control. If not, a field s upplied relay or tran[...]

26 Figure 16: Heat Anticipator Adjustment S cale In man y cases, th is setting can be fou nd in the t hermostat ins tallat ion instruct ions. If this inform ation is not availab le, or if the c orrect s etting is questioned, the fol lowing proc edures s hould b e followed: Preferre d method of adjustment: Using an analog am m eter on the l owest sc[...]

27 This f ormula can be us ed to c alculate t he correc t setting f or the adjus table hea t antici pator: Amm eter reading = Anticipator Settin g. No. of wire loops Or in this case, _ 2.5 A. = 0.25 A. ( Anticipator Settin g) 10 4. Adjus t the posi tion of th e anticipator indicator to matc h the calcu lated amm eter set ting. If a slightl y longer[...]

28 Heating Speed Set - ups OH6F A 072D V4 Furnace Motor Current Draw ( Amps/ / Watt s) vs. External Static Pr essure ( in W.C.) Low Fire Med Fi re Hi gh F ir e Static Pressure (Amps/Watts) BTUH 60,000 7 2,000 90,000 Fan Control SW 1 Sw it ch Setting s Heatin g CFM Aprox. R ise (F 0 ) Aprox. R ise (F 0 ) Aprox. R ise (F 0 ) 0.2 0.5 3 - OFF 2 - OFF 1[...]

29 Heating Speed Set - ups OH8F A 119D V5 Furnace Motor Curr e nt Draw ( Amps / Watt s) vs. External Static Pr essure ( in W.C) Low Fire Med Fi re Hi gh F ir e BTUH 101, 000 119, 000 132, 000 Fan Control SW 1 Sw it ch Setting s Heatin g CFM Aprox. Ris e (F 0 ) Aprox. Rise (F 0 ) Aprox. Rise (F 0 ) .02 .05 3- OFF 2- OFF 1- OFF 1202 78 o 1.6/ 146 2.5[...]

30 Heating Sp eed Set - ups ( 2 – Stage ) OH6FX072D V4 HEATING AIR FLOW / TEMPERATURE RISE L OW C AP ACI T Y HIG H C AP ACI T Y F AN CONTROL SW 1 SWIT CH SETT INGS BTUH LOW FIRE 60,000 HI FIRE 72,000 LOW FIRE 72,000 HI FIRE 90,000 HEATING CFM APPR OX. CFM /RISE (ºF) APPR OX. CFM /RISE (ºF) APPR OX. CFM /RISE (ºF) APPR OX. CFM /RISE (ºF) 3 –[...]

31 Cooling Sp e ed Set - ups OH6F*072D V4 Furnace Motor Curre nt Draw ( Amps / Watt s) vs. External S t atic Pressu re (in W.C) Air F low Static Pressure (Amps/Watts) Fan Control SW 1 Sw it ch Setting s Clg. To n age Cool Continuous 0.2 0.5 6- OFF 5- OFF 4- OFF 2 799 5 00 1.2/ 109 2.1/ 186 6- OFF 5- OFF 4- ON 2.5 1 017 508 1.8/ 160 2. 5/230 6- OFF [...]

32 Cooling Sp e ed Set - ups OH8F A 119D V5 Furnace Motor Current Draw ( Amps/Watts) v s. External Static Pr essure ( in W.C.) Air F low Fan Con trol SW 1 Sw it ch Setting s Clg . Tonn age Cool Continuous Dehum .02 .05 6- OFF 5- OFF 4- OFF 2 8 00 500 557 1.0/ 89 1.8/ 161 6- OFF 5- OFF 4- ON 2.5 1 018 509 703 1.4/ 121 2.1/ 192 6- OFF 5- ON 4- OFF 3 [...]

33 For PSC s ystems, th e ½ hp m otor is equip ped with 4 speeds . The unit is set f or m id - fire tem p rise @ 66 ºF. See ta ble for proper blo wer m otor set up: OH6F A 072D 48 ALTERATIONS RE Q’D FOR A/C @ DESIGN EXTERN A L S TATIC PRESS URE COOLING UNIT HTG Speed by Input Low Mid Hig h Fire F ire Fire Recommended CLG Speed 24,000 Low ML MH [...]

34 OH8F A 119D 60 ALTERATIONS RE Q’D FOR A/C @ DESIGN EXTERN A L S TATIC PRESS URE COOL ING UNIT HTG Speed by Input Low Mi d High Fire F ire Fire Recommended CLG Speed 36,000 L/ML ML/MH MH/H Low (L) 42,000 L/ML ML/MH MH/H Med Low (ML) 48,000 L/ML ML/MH MH/H Med High ( MH) 60,000 L/ML ML/MH MH/H High (H) Figure 19B : Heatin g speed by input Speed [...]

35 M. BLOWE R CO NTROLLER INFORMATION FOR P SC MO TOR (Note: for E CM blower controll er informati on see: ECM Operation Manual d ocument # Mo- 440) TERMIN A L DEFINITIONS & FIELD WIRING Burner Har ness Co nnector P1 Pin 1 - Limit s witch connec tor. Pin 2 - 120 VAC L ine conn ection. Pin 3 - Burner pi lot contact . Pin 4 &5 - 120 VAC Ne ut[...]

36 A . Inputs Pow er suppl ie s Line volt age is app lied bet ween the “ S1” and “N1” qui ck connec t terminals . 24 V AC Class II Transf ormer s econdary voltage s upplie d to X and C Lim it switc h The 120 VAC optical ly isola ted lim it switch inp ut is con nected on pin P2 - 1 & 9. Ref er to the He at Mode sec tion for the c ontro l[...]

37 EAC (electr onic air cleaner) The cont rol prov ides a 12 0 VAC o utp ut f or an electr on i c air cleaner . T his output is ener g i zed whene ver the fan m otor is energi zed ( eith er lo w, heat or cool s pe ed). C onn ec tion is m ade via m ale quick connect term inal labeled “ EAC”. Hum idifier The cont rol pro vides a 1 20 VAC output f[...]

38 He at Mode W hen a call for he at (“W ” ) is received f rom the therm ostat , if the “Co ol” m ode is n ot alr ead y active, th e “T - T” term inal is energ ized and the blower o n delay i s started. T he on - off pattern of DIP s witch SW 2 (positions 1 and 2) select o ne of four blower on de lay values (s ee Table 11). W hen the de[...]

39 ECM & PSC TROUBLE SHOOTING DIAGNOSTIC FE A T URES The cont rol board is eq uipp ed with 4 green In put Stat us LEDs and 1 red Boar d Status LED. Thes e are intended to provide a quick view into fur nace perf orm ance without r equiring a voltm eter. The green Input Status L EDs are driven b y the “Y” , “W ”, “G”, and “D EHUM”[...]

40 N. STARTUP PROCEDURE S: A. Heatin g System 1. Initial S ta rtup: : Turn off po w er to furnace. Before th e oil pipi ng system i s placed in to service, i t must have been l eak tested by a quali fied heating c o n tr a ctor. : For initial s tart - up of the appliance after ins tallation, it may be necessa ry to purge the air out of the oil line[...]

41 To Turn Off Oil to Applianc e: i. Set the t herm ostat to the l owest s etting and se t the op erating m ode switch t o “OFF”. ii. If s ervice is to be perform ed, turn of f the electr ical po wer to the a ppliance. iii. Tur n the manual o il shutoff valve to the “OFF” position. 2. A d justment of Burne r Combus tion: : Maximu m gross st[...]

42 Figure 19: Preliminary Adjustment of B urner A ir Band and A ir Shutter i. W hen ignition is establis hed, m ake a prel iminar y burner air a djustm ent to attain a clean combus tion flam e. Generall y, the burner bulk air band shoul d be about 3/16 i nch open an d the opening of the burn er air sh utter set in t he range of “2” to “ 7”,[...]

43 The set ting of the f an outpu t accordin g to the ins tallat ion should be done onl y through the air dam per. Shoul d you want to a djust the se tting of the com bustion he ad, with the burner ru nning, tur n the rod (1) with a 6mm wrench (2) as follo ws: TURN TO THE RIGHT : (SIGN + ) In order t o increase t he vol ume of air entering t he com[...]

44 Figure 22 1 st STA GE ADJUSTMEN T: A djustment of air shutter: place the s mall plug ( 9) of the econom izer (10) into the pos ition I ( Item A). In this way the bur ner will r em ain permanentl y in the 1 st stage. Loosen the nut (2), turn the s crew (3) u ntil the air shutter ( 1) reaches th e positi on desired. Then loc k the nut (2). Pressur[...]

45 ii. C A RBON DIO XIDE (CO 2 ) OR OXYGEN (O 2 ): Take a CO 2 s ample f rom flue pass agewa y. It is possible to achiev e reading s of up to 1 4% CO 2 ( or 2% O 2 ), but it is better to have a sli ghtly lower CO 2 (or higher O 2 ) re ading with zero sm oke m easured. T o achieve a lo wer CO 2 re ading, ope n the a ir band, or s hutter, o n the bur[...]

46 a. W ith the oil sh ut off, r emove the 1/8 in. NPT thr eaded pi pe plug loc ated on th e lower r ear side of the oil pump, r efer to Figur e 22. At tach a pres sure gage, c apable of meas uring press ure in pounds per squar e inch gage , PSIG, in this op ening, on t he dischar ge sid e, of the oi l pum p. NOTICE: It ma y be necessar y to remove[...]

47 5. Checkout Procedure: Before an y system of oil pipin g is finall y put int o service, it s hall be c areful ly tested to assure that it is “gas - tight”, as indica ted in t he Heating System Initial Startup section of this m anual. NOTICE: A ll c ontrol s on the unit should be checke d for pr ope r functioning prior to the qualified servic[...]

48 III. USERS INF ORMATION SECT ION A . OIL SUPPLY: Do not allow the f uel tank to run c om pletely empt y. During th e summ er, keep the tank f ull to prevent c ondens ation of m oisture on t he insi de surf ace of the ta nk. If the fuel tank runs complete ly dry, it m ay be nec essar y to purge the lines of trapped air. Contact a qualifie d techn[...]

49 D. STARTING THE B URNER: 1. Turn the m ain ser vice s witch to "OFF " positio n. 2. Set ther mos tat substantiall y above r oom tem perature. 3. Open s hut - off val ves in o il suppl y line to bur ner. 4. Turn s ervice s witch to f urnace "ON". If burner starts and runs, but stops a gain on lock out, it m ay be necessar y to[...]

50 IV. INS T A L LE R'S INSTRUCTI O NS TO USER: After completing the instal lation, the installer shall inform and/or demonstra te to the homeowner the follo wing i te ms: 1. The locat ion of t hese inst ructions. T he instruc tions m ust be kept a long w ith instr uctions for any access ories in the plastic p ouch with t he appli ance. 2. T h[...]

51 V. DE A LER M A INTENANCE: SAFETY DURING SER VICING A ND INSPECTION : Personal injury or property da mage could resul t from repair or service of this applianc e by anyone other than a qualified heatin g c ontractor . The user may only perfor m the activitie s described i n th e Home owner/User Rou ti ne Maintenance secti on of this manua l. : T[...]

52 B. HEAT EXCH ANGER:  WARNING: A qualified heat ing co ntract or must clean the he at exchanger. At least o nce a year, inspe ct the heat exchanger for evidence of cor rosion, pitt ing, war page, det erioratio n, and carb on (soot) build - up. A la yer of soot o n the ins ide of the heat exc hanger w ill act as an insulat or and reduce h eat t[...]

53 Figure 24: Heat Exchanger Clean - Outs Vacuum Hose Length OH6 8FT OH8 8FT Fig. 25: Recommended method and device for cleaning inside of heat exchanger.[...]

54 4. Opera tional Ch eck:  CAUTION: Before trouble shooting, familiariz e y ours elf with the start up a nd check out procedur es NOTIC E: A fter reasse mbling the app liance , check for fuel oi l leakage fr om the supply piping. a. Check proper oper ation of t he ignition s ystem and for pr oper com bustion. b. Observe t he main b urner fl ame[...]

55 Figure 26: Locatio n of Su pply/R eturn A ir Fi lter Filter r eplace ment: To ensur e an adequat e replacem ent filter is s elected, s hould the filter require re placing, ref er to Table 4 , in Air Filters section of this manual, f or the m inimum filter areas required f or diff erent types of available filter s. NOTICE: Remind the homeow ner o[...]

56 ON STARTUP: 1. Have s ystem inspec ted and s tarted b y a qualifie d heating contractor. 2. Check oil level in tank. If the tank has not been f illed w ith fresh oi l, inspec t the rem aining oi l for signs of contam ination with water, alg ae, dirt or other i mpurities . If exc essive, cons ult your oi l supplier f or recom mendatio ns. 3. Chan[...]

57 : Do not use this appliance if any part has been un der wat er. Immediately call a qu alified s ervice techn ician t o inspe ct the furnace an d to rep lace any part of the control s y s tem and an y oil control that has be en under water. : Should overheating occur, or the oil supply fail to shut off, shu t off the electri cal po w er to t he a[...]

58 If this ac tion does no t react ivate th e unit, cont act a qual ified serv ice agenc y for ass istance. In genera l, if the th erm ostat is set i n the heat ing mode, the heating system function s entirel y automat ically. Ho wever, un der certai n circum stances , the applia nce m ay not be a ble to fire th e burner. For insta nce, if th e man[...]

59 2. Make s ure therm ostat is cal ling for bur ner oper ation. 3. Check oil suppl y and mak e sure all valves are open. A. DIAGNOSTICS : To ass ist in troubles hootin g this app liance, it is equip ped with an integr ated saf ety and ignit ion contro l with diagn ostics. T hese dia gnostics i nclude a n indicato r light that rela y s the operat i[...]

60 3. Check the res istance across the cad cel l pins with the cel l covere d (protec ted from exposur e to ambient l ight). T he resistan ce should b e greater th an 2 0,000 ohm s. 4. If cell r esis tances are differ ent from above, r eplace the pl ug - in port ion of cell, (H oneywell Par t No. 130367). 5. Carefull y reinsert the p lug - in porti[...]

61 VIII. Seq uen ce of Op eration s Flo w Chart :[...]

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63 IX. Trouble Shooting Flow Cha rt:[...]

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68 COM B US T I ON AN D EFF I C I EN CY T ES T I NG F OR T H ERM O PRI DE OI L FI R ED CENT RAL FUR NACES . Com pl e t e t hi s f or m f or e a ch T he r m o P r i de f ur na ce i ns t a l l e d. Re a d i ns t r uct i on CUS T OM ER NA M E A DDR E S S C I TY , S TA TE H EAT I NG SY ST E M BUR NE R M O DE L NO . A I R S HUTTE R O P E NI NG I N S. % [...]

69 A ppendi x – A Replace ment Part s: Replacem ent Parts f or OH6FA0 72D**[...]

70 Replacem ent Parts f or OH8FA1 19D**[...]

71 A ppendi x – B Wiring Diagram s OH6FA072D 48 PSC W i ring Diagram[...]

72 OH6FA072D V4 ECM W iring Diagr am[...]

73 OH6FX072D V4 ECM 2 - Stage W iring Diagram[...]

74 OH8FA1119D 60 PSC W iring D iagram[...]

75 OH8FA1119D V5 EC M W iring Diagram[...]