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Thermo Products OHFA199DV5B - page 1
MO - 437 ECN 5 320 - MA 130307 Made IN USA OIL FIRED FURNACE INST ALL A TION 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 ...
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Thermo Products OHFA199DV5B - page 2
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 SPECI FICAT IONS A ND AP PLICAT IONS 19 I ...
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Thermo Products OHFA199DV5B - page 3
ii Model Number D igit 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 ...
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Thermo Products OHFA199DV5B - page 4
1 I. SA FETY SECTION This page and the following c onta i ns v arious war 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 P age 3 WARNING: The predeter mine d limit l ocati on ...
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Thermo Products OHFA199DV5B - page 5
2 ...
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Thermo Products OHFA199DV5B - page 6
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, the c orrect operation a nd mainte nance of the applianc e, as explaine d in the Homeow ne r/User Infor mation and Routine Mainten a nce secti ...
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Thermo Products OHFA199DV5B - page 7
4 b. Non - combust ibl e mater i al: “...m aterial that is not capa ble of being ignited a nd burned; suc h as m aterial consistin g entirel y of, or a c ombinatio n of, stee l, iron, b rick, concrete, slate, asbestos, glass, an d plaster .” : Carefully read and thoroughly understand the fo l lowing guidelines a nd warnings before c ontinuing w ...
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Thermo Products OHFA199DV5B - page 8
5 II. GENERA L INSTRUCTIONS - READ BEFORE S T ART OF INSTALLATION 1. The he ating outp ut capa city of the f urnace pro posed f or installatio n should be based on a heat los s calculati on made ac cording to the m anuals pr ovided b y the Air Condi tioning Contractors of Amer ica (ACCA) or the Amer ican Society of Heati ng, Ref rigeration and A ir ...
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Thermo Products OHFA199DV5B - page 9
6 A. CHIMNEY : The f urnace mus t be conne cted to an ade quate chim ney or an approved vent in ac cordance with t hese instructio ns. An a dequate chim ney is one that is sea led and l ined with t he capab ility of produc ing a ( - ).04 " W C flue draft and ha ving th e capacit y to handle the amount of stack gases that ar e introduce d into ...
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Thermo Products OHFA199DV5B - page 10
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 higher than an y portion of a buildi ng within a hori zontal distanc e of 10 feet. (See Fig. 2a). Fig. 2: Prope r chimney termination he ight for pitched roofs If the chim ney pene ...
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Thermo Products OHFA199DV5B - page 11
8 4. PRO P ER CHIMNEY BO TTOM LEVEL: In cases where the c himney exte nds to the basem ent floor, the draft c an usuall y be improve d by filling t he base of the chim ney with sand t o within 1 2 inches of the vent connect or pipe af ter relocat ing the clea n - out door. (See F ig. 5). Fig. 5: Sug gested method to improve chimney draft. 5. TIGHT ...
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Thermo Products OHFA199DV5B - page 12
9 Fig. 7: Alternate construction s that allow reduced clearances to combusti ble materi als. REDUCTION OF CLE A R A NCE S WITH SP ECIFIED FORMS OF PROTE CT I ON: T y pe of protection ap plied to and c overing all s urfaces of combustible m aterial within the d istance specif ied as the require d clearance with no protect ion unless other wise noted ...
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Thermo Products OHFA199DV5B - page 13
10 B. VENTING: NOT E: On the OH6 & OH8 it is possible t o rotate t he flue e lbow (wh ich is factor y instal led for vertic al discharge) 90° co unter c lock wise from the vert ical posi tion to ada pt to var ious ven ting system s. T he OH8 flue elbo w can also b e rotat ed 90° clockwise. Notice : Block ed Vent Switc h Installat ion The bloc ...
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Thermo Products OHFA199DV5B - page 14
11 C. DRAFT REGUL ATORS: Note: Do not use with Direct Vent a pplication. A draft regul ator is sup plied with the f urnace and should be ins talled acc ording to the regu lator manuf acturers rec ommendations . W ith the burner ope rating, us e a draft gauge t o adjust the reg ulator to the proper s etting. (ref er to the instruct ions enclos ed wi ...
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Thermo Products OHFA199DV5B - page 15
12 1. S up ply and ret urn air d ucts have to be furnis hed by the installer an d run bet ween the a ppliance, which m ust be instal led out doors, and th e inter ior of the s tructure th e applianc e serves. T hese ducts must be s ealed to t he casin g of the app liance. 2. To reduc e the transm iss ion of vibration a nd noise to the duct system a ...
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Thermo Products OHFA199DV5B - page 16
13 g. Using the s electe d air flo w rates for each com ponent of the duct s ystem and m anufactur er’s literature, or publis hed liter ature on d uct system pressur e drops, the pressur e drop for each component in the duc t system can be estim ated. The ASHR AE Handb ook – Fundam entals is a n excel lent source of duct s ystem des ign princi ...
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Thermo Products OHFA199DV5B - page 17
14 Table 3: Suggested Duct Sizes for Homes, Quiet Offi ces, Or Similar I nstallations (Based on a 0.1 in. W.G. static pressure drop per 100 ft. of duct.) 7. The s upply and ret urn air duc ts, or flex ible joints , should be c arefull y secured and seale d to the applianc e housing t o prevent a ir leak age from , or into, the duc t system . For be ...
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Thermo Products OHFA199DV5B - page 18
15 SIZING THE DUCT W ORK FOR A COM BINA T ION HE A T ING AND COOLING S YSTEM: Two form ulas m ust be used in det erm ining the CFM r equirem ents of a combustion h eating and cooling s ys t e m . 1. HEATING CFM : H E AT OUTPUT OF FURNACE (BTUH) 1.1 X T R (T EMPER ATURE RI SE, °F) = HE A T ING(CFM) EXA MP LES: A. 11 0,000 BT UH OUT PUT 1.1 X 8 5°F ...
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Thermo Products OHFA199DV5B - page 19
16 Co nnect th e ret urn air p lenum to t he filter rack and sl ide t he fil ter into plac e. Dim ens ions f or ada pting t he return air plenum to the filter rack are pr ovided (S ee Fig. 10 a & 10b). 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. : ...
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Thermo Products OHFA199DV5B - page 20
17 Filter Ty pe Maxim um Air Velocit y (ft/min) Model Number OH6 OH8 *Therm o Products Supplied Permanent 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 can be cut to s ize to f it other fil ter retent ...
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Thermo Products OHFA199DV5B - page 21
18 G. BURNER INS T ALLATION: NOTICE: Rem ove all card board pack ing from around c hamber bef ore installi ng burner . The oil bur ner will m ount on thr ee stud m ounting bo lts on the lower mounti ng plat e coverin g the open ing in the fr ont of the he at exch anger. The end of the b urner tube should be inserte d no further than 1/4 inch back f ...
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Thermo Products OHFA199DV5B - page 22
19 Fig. 1 3: Bur ner insertion i llustration (T op view) W hen mounting the b urner, the m ounting plate (Fi g. 12) m ust be rem oved to pro vide access to the ar ea in front of the com bustion c hamber. A f iber insul ating slee ve or am ulet is prov ided on th e burner tu be of specif i c Therm o Pride burn ers.(see Fig. 13). See T herm o Pride b ...
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Thermo Products OHFA199DV5B - page 23
20 Table 7: Oil nozzle capacit y All rates s hown ac hieved with 120 PSIG pum p pres sure for Bec kett and 140 PSIG pum p pressure f or Riello . * Based o n #2 dom estic heatin g fuel oil h aving he ating value of 140,000 BTU per gallon. ** Based on therm al effic iency of 84% - 8 5%. Riello 2 - stage burner s p ecificati ons and applicati ons (OH6 ...
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Thermo Products OHFA199DV5B - page 24
21 For m ore specif ic burner infor mation, spec ifications or ser vice inform ation, ref erence the tra ining m anual enclosed with each R iello b urner or cont act: Riello Cor poration of Am erica, 5 Pond Par k Road H ingham , Massac husetts 02043 Phone: (6 17) 749 - 8292 2 ST AGE FIRING R A T ES C AP AC I T Y FIRING R AT E NOZZLE SI ZE Riello IN ...
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Thermo Products OHFA199DV5B - page 25
22 Verif y that the insta lled bur ner is lig htly leaned toward s the butto n. (See figur e 14 - 1) The burner is designed to allo w entr y of the flexible oi l - l ines on eith er side of the burn er. I. OIL TA N K AN D PIPING: : All loca l codes and or dinances take pre cedence with regard to se le ction and install ation of oil stor age tank an ...
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Thermo Products OHFA199DV5B - page 26
23 the pump. Pitching the line upward towar d the tank will hel p prevent the f ormation of air pockets in the line. NOTIC E: A n oil safet y valve or a d elayed - action, solenoid valve should be installed in t he oil su pply line of all grav it y - fed sy stems. W hen the oil tank is locate d below t he level of the bu rner, it is necessar y to ? ...
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Thermo Products OHFA199DV5B - page 27
24 T y pica lly, cont rol wiring between the applianc e and the indoor ther mostat , and if used, e lectronic air cleaner or humidifier , will b e required. Field wir ing of c ontrol c ircuits sho uld consis t of copper conductor s rated for at least 15 amp s ervice with an insulat ion tem perature rati ng conf orming to T ype T wire, 35 ° C tempe ...
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Thermo Products OHFA199DV5B - page 28
25 in conju nction with a humidi stat to contr ol a hum idifier. These term inals are en ergized whenever the blower is ac tive. Figure 15: The Fan Control Module NOTICE: It is i mportant to confir m that the operating voltag e of the humidifier or EAC bei n g install ed matches the output of thi s control. If not, a field s upplied relay or transf ...
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Thermo Products OHFA199DV5B - page 29
26 Figure 16: Heat Anticipator Adjustme n t S c ale In man y cases, this setting c an be found in the ther mostat inst allation ins tructions . If this inf orm ation is not availab le, or if the c orrect s etting is ques tioned, the foll owing proce dures sho uld be f ollowed: Preferre d method of adjustment: Usi ng an ana log amm eter on the l owe ...
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Thermo Products OHFA199DV5B - page 30
27 This f ormula can be us ed to c alculate the correct setting for the adjustab le heat a ntici pator: Amm eter reading = Anticipator Setting. No. of wire loops Or in this case, _ 2.5 A. = 0.25 A. ( Anticipator Setting ) 10 4. Adjus t the positi on of the ant icipator indicator t o match th e calculat ed amm eter setting. If a slight ly longer c y ...
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Thermo Products OHFA199DV5B - page 31
28 Heating Speed Set - ups OH6F A 0 72DV 4 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 72,000 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 ...
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Thermo Products OHFA199DV5B - page 32
29 He ating Speed Set - ups OH8F A 1 19DV 5 Furnace Motor Curr ent 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 Heati n g CFM Aprox. Rise (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. ...
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Thermo Products OHFA199DV5B - page 33
30 Heating Sp eed Set - ups ( 2 – Stage ) OH6FX072D V4 Figure 18 - 2: E CM 2 - stage blower mot o r sp eed chart ...
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Thermo Products OHFA199DV5B - page 34
31 Cooling Sp e ed Set - ups OH6F*072D V4 Furnace Motor Curre nt Draw ( Amps / Watt s) vs. External Static Pr essure ( in W.C) Air F low Static Pressure (Amps/Watts) Fan Control SW 1 Sw it ch Setting s Clg. Ton a ge 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 5 ...
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Thermo Products OHFA199DV5B - page 35
32 Cooling Sp e ed Set - up s OH8F A 1 19DV 5 Furnace Motor Current Draw ( Amps/Watts) v s. External Static Pr essure ( in W.C.) Air F low Fan Control SW 1 Sw it ch Setting s Clg . Tonn age Cool Continuous Dehum .02 .05 6- OFF 5- OFF 4- OFF 2 800 500 557 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 ...
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Thermo Products OHFA199DV5B - page 36
33 For PSC s ystems , the ½ hp m otor is eq uipped with 4 spee ds. The un it is set f or m id - fire tem p rise @ 65ºF. Se e table f or proper blo wer m otor set up: OH6F A 0 72D48 ALTERATIONS RE Q’D FOR A/C @ DESIGN EXTERN A L S TATIC PRESS URE COOLING UNIT HTG Speed by Input Low Mi d High Fire Fire F i re Recommended CLG Speed 24,000 Low ML M ...
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Thermo Products OHFA199DV5B - page 37
34 OH8F A 1 19D60 ALTERATIONS RE Q’D FOR A/C @ DESIGN EXTERN A L S TATIC PRESS URE COOLING UNIT HTG Speed by Input Low Mi d High Fire Fire Fir e 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: Heating speed by input Speed vs . ...
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Thermo Products OHFA199DV5B - page 38
35 M. BLOWE R CO NTROLLER INFORMATION FOR P S C MOTOR (Note: for E CM blower controll er informati on see: ECM Operation Manual d ocument # Mo- 440) TERM INAL DEFINIT IONS & 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 utr ...
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Thermo Products OHFA199DV5B - page 39
36 A . Inputs Power su pplies Line volt age is app lied bet ween the “ S1” and “N1” quick connect term inals. 2 4 VAC C lass II Transf ormer s econdary voltage s upplied to X and C Lim it switc h The 120 VAC optical ly isola ted limit s witch input is connec ted on pin P2 - 1 & 9. Refer to the Heat Mode sec tion for the c ontro l operat ...
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Thermo Products OHFA199DV5B - page 40
37 EAC (electr onic air cleaner) The control provides a 12 0 VAC output f or an elec tron i c air c leaner. T his output is energ 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 male quic k c onnec t term inal labeled “ EAC”. Hum idifier The cont rol provi des a 12 0 VAC out put f o ...
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Thermo Products OHFA199DV5B - page 41
38 Heat 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, t he “T - T” term inal is energi zed and the blower on d elay is started. T he on - off pattern of DIP switc h SW2 (positions 1 and 2) select o ne of four blower on de lay values (s ee Table 11). W hen the delay ...
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Thermo Products OHFA199DV5B - page 42
39 PSC TROUBLE S HOOTING 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 req uiring a v oltm eter. The green Input Status LE Ds are dr iven b y the “Y”, “ W ”, “G”, and “DEHU M” inp ut ...
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Thermo Products OHFA199DV5B - page 43
40 N. STARTUP PROCEDURE S: A. Heatin g System 1. Initial S ta rtup: : Turn off po w er to furnace . Before the oil pipi ng syste m is placed i nto service, i t must have been l eak te sted by a qua lified heati n g c ontractor. : For initial s t art - up of the appli ance after installation, i t may be necessary to purge the air out of the oil line ...
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Thermo Products OHFA199DV5B - page 44
41 To Turn Off Oil to Applianc e: i. Set the t herm ostat to the lo west setti ng and se t the operatin g mode switch to “OFF”. ii. If s ervice is to be perform ed, turn of f the electr ical power to the appl iance. iii. Tur n the manual o il shutoff valve to t he “OFF” pos ition. 2. A d j ustment of Burner Combus tion: : Maximu m gross sta ...
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Thermo Products OHFA199DV5B - page 45
42 Figure 19: Preliminary Adjustment of B urner A ir Band and A ir Shutter i. W hen ignition is establish ed, m ake a prelim inary bur ner air adj ustm ent to attain a clean combus tion flame. Generally, th e burner b ulk air b and should be about 3/1 6 inch open and th e opening of the burn er air shutter set in t he range of “2” to “7”, r ...
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Thermo Products OHFA199DV5B - page 46
43 The set ting of the f an outpu t according t o the inst allatio n should be done onl y through the air dam per. Shoul d you want to a djust the se tting of the com bustion head, with the burner ru nning, turn t he 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 comb ...
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Thermo Products OHFA199DV5B - page 47
44 Figure 22 1 st STA GE ADJUST MENT: A djustment of air shutter: place the s mall plug ( 9) of t he econom izer (10) int o the posi tion I (It em A). In this way the bur ner will r emain perm anentl y in the 1 st s tage. Loosen the nut (2), tur n the s crew (3) unti l the air s hutter (1) r eaches the p osition desired. T hen lock the nut (2). Pre ...
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Thermo Products OHFA199DV5B - page 48
45 ii. C A R BON DIOXIDE (CO 2 ) OR OXYGEN ( O 2 ): Tak e a CO 2 sam ple from f lue passage way. It is possible to achieve r eading s of up to 1 4% CO 2 ( or 2% O 2 ) , but it is bet ter to ha ve a slight ly lower CO 2 (or higher O 2 ) re ading with zero sm oke meas ured. To ac hieve a lower C O 2 readi ng, open th e air band, or s hutter, on t he ...
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Thermo Products OHFA199DV5B - page 49
46 a. W ith the oil shut off, remove the 1/8 in . NPT thre aded pipe plug locate d on the l ower rear si de of the o il pump, r efer to Figure 22. Attac h a press ure gage, ca pable of measuring pressure i n pounds p er squar e inch gage , PSIG, in t his op ening, on t he discharge side, of the oil pum p. NOTIC E: It may be necessary to remov e the ...
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Thermo Products OHFA199DV5B - page 50
47 5. Checkout Procedure: Before an y system of oil pipin g is finall y put into s ervice, it s hall be car efully tes ted to as sure that it is “gas - tight”, as in dica ted in t he Heating System Initial Startup section of this m anual. NOTICE: A ll control s on the unit should be checked for prope r functioning prior to the qualified service ...
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Thermo Products OHFA199DV5B - page 51
48 III. USERS INF ORMATION SECT ION A . OIL SUPPLY : Do not allo w the fuel ta nk to run c om pletely empt y. During th e summ er, keep the tank f ull to prevent c ondensat ion of m oisture on t he inside sur face of the tank . If the fuel t ank runs complete ly dry, it m ay be nec essar y to purge the l ines of tr apped air. C ontact a qualifie d ...
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Thermo Products OHFA199DV5B - page 52
49 D. STARTING THE B URNER: 1. Turn the m ain serv ice switc h to "OFF" position. 2. Set ther mos tat substantiall y above room tem perature. 3. Open s hut - off val ves in o il suppl y line to burner . 4. Turn s ervice sw itch to fur nace "ON". If burner s tarts and ru ns, but s tops aga in on lock out, it m ay be necessar y to ...
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Thermo Products OHFA199DV5B - page 53
50 IV. INS T A LLE R'S INSTRUCTIO NS TO USER: Af te r c ompleting the installa tion, the ins taller shall inform and/or demonstrate to the homeowner the follo wing ite ms: 1. The locat ion of thes e inst ructions. T he instruct ions mus t be kept alon g with ins tructions for an y access ories in the plastic p ouch with t he appli ance. 2. T h ...
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Thermo Products OHFA199DV5B - page 54
51 V. DE A LE R MAINTENANCE: SAFETY DURING SER VICING AND INSPECTION : Personal injury or property d a mag e coul d re sult from repa ir or service of this applianc e by anyone other th a n a qualified heating contr a ctor. T he u ser may only perform the activitie s described i n th e Home ow ner/Us er Routine Maintenance section of this ma nual. ...
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Thermo Products OHFA199DV5B - page 55
52 B. HEAT EXCH ANGER: WARNING: A qual ified heating contrac tor must clean the he at exchanger. At least o nce a y ear, i nspect the h eat exc hanger f or evidence of corros ion, pitting , warpage, deteriorat ion, and carb on (soot) bu ild - up. A la y er of soot o n the insid e of the heat exchan ger will act as an insu lator an d reduce h ea ...
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Thermo Products OHFA199DV5B - page 56
53 Figure 24: Heat Exchanger Clean - Outs Vacuum Hose Length OH6 8FT OH8 8FT Fig. 25: Recommended meth od and dev i ce for cleaning i nside of he at exchange r. ...
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Thermo Products OHFA199DV5B - page 57
54 4. Opera tional Chec k: CAUTION: Before trouble shooting, familiarize y ours e lf with the start up and check out procedur es NOTIC E: A fter reasse mbling the app liance, check fo r fuel o il le akage f rom the supply piping. a. Check proper oper ation of t he ignition s ystem and for proper combus tion. b. Observe t he main b urner fl ame. ...
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Thermo Products OHFA199DV5B - page 58
55 Figure 26: Locatio n of Supply /Return A ir Filter 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 minim um filter areas requir ed for diff erent types of available filter s. NOTICE: Remind the homeow ner of ...
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Thermo Products OHFA199DV5B - page 59
56 ON STARTUP: 1. Have s ystem inspec ted and st arted by a q ualified he ating c ontractor. 2. Check oil level in tank. If the tank has no t been fil led with f resh oil, ins pect the remaining oil for signs of contaminat ion with water, alg ae, dirt or other im purities. If excess ive, consult your oi l supplier f or recom mendatio ns. 3. Change ...
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Thermo Products OHFA199DV5B - page 60
57 : Do not use this appl iance if any part has been u nder water. Im mediately call a qualifi ed s ervice techn ician t o inspect t he furn ace and to replace any part of the control s y s te m a nd any oil control that has bee n under wa ter. : Should overheating occur, or the oil supply fail to shut off, shu t off the electri cal po w er to the ...
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Thermo Products OHFA199DV5B - page 61
58 If this ac tion does no t react ivate the un it, contac t a qualif ied service agenc y for assistanc e. In genera l, if the th ermos tat is set i n the heat ing mode, the heating system functions entirely automat ically. Ho wever, un der certai n circum stances, the a pplianc e ma y not be a ble to fire th e burner. For insta nce, if th e manual ...
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Thermo Products OHFA199DV5B - page 62
59 2. Make s ure therm ostat is cal ling for burner operati on. 3. Check oil suppl y and mak e sure all va lves are ope n. A. DIAGNOSTICS : To ass ist in troublesh ooting this app liance, it is equipp ed with an integrate d safet y and ignition control with diagn ostics. T hese dia gnostics i nclude an indicator light that re lays the op eration al ...
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Thermo Products OHFA199DV5B - page 63
60 3. Check the resis tance across the c ad cell p ins with the cell co vered (pr otected f rom ex posure to ambient l ight). T he resistan ce should b e greater th an 20,00 0 ohms . 4. If cell r esis tances are different f rom above, rep lace the plug - i n portion of cell, (Hone ywell Part N o. 130367). 5. Carefull y reinsert the p lug - in porti ...
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Thermo Products OHFA199DV5B - page 64
61 VIII. Seq uence of Op erations Flo w Ch art: ...
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63 IX. Trouble Shooting Flow Cha rt: ...
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Thermo Products OHFA199DV5B - page 71
68 COM B US T I ON AN D EFF I C I ENCY T ES T I NG F OR T H ERM O P RI 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 mo 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. % ...
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Thermo Products OHFA199DV5B - page 72
69 A ppendi x – A Replace ment Part s: Replacem ent Parts f or OH6FA0 72D** ...
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Thermo Products OHFA199DV5B - page 73
70 Replacem ent Parts f or OH8FA1 19D** ...
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Thermo Products OHFA199DV5B - page 74
71 A ppendi x – B Wiring Diagram s OH6FA072D 48 PSC W iring Diagram ...
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Thermo Products OHFA199DV5B - page 75
72 OH6FA072D V4 ECM W iring Diagram ...
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Thermo Products OHFA199DV5B - page 76
73 OH6FX072D V4 ECM 2 - Stage W ir ing Diagram ...
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Thermo Products OHFA199DV5B - page 77
74 OH8FA1119D 60 PSC W iring Diagram ...
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Thermo Products OHFA199DV5B - page 78
75 OH8FA1119D V5 EC M W iring Diagram ...
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