QHT Boiler manual

IMPOR T ANT : PLEASE READ THESE INSTRU C TIONS CAREFU LLY BEFORE P ROCEEDI NG WITH THE IN ST A LLATION OF THE BOILER. THES E INSTRU CT IONS MUST BE POS TED NEA R T HE BOILER AND MA INT A INED IN LEGIB LE CONDITION F O R R E FERENCE BY THE OWNER OR SERV ICE PERSON. Boile r S e r ial No . _____________ Model No . ___________ He a ting Contra cto r:__[...]

2 Dear Custome r , Thank yo u for buying a BI A S I 3W ood Boiler . The 3W oo d Boi le r system is a cast iron, solid f uel, hot water boile r , u s i ng the famous Biasi (3-pass) design. T hi s Boile r i s rugged and enginee red for maximum heating ef ficiency . W e realize that it is not possible to a nswe r a ll th e questions about the 3W ood B[...]

3 T ab le of Contents Important Information 4 W ar nings a nd safet y r u l es, Identificat i o n 5-6 Pro cedure in event o f power f a ilure 7 Ref ueling t he Boiler 8 W ood Burnin g 9 Hea t v alue of wo o d , Wood Stor age, A s h Rem o val 10 Cre osot e, Runaway Fi r e 11 Chi mneys 12 C o al Fi r ing 13 3Woo d Desi g n 14 Insta ll at i o n Cons i[...]

4 IMPORT A NT INFORM A TION Please re ad t his page car efully . ALL BOILERS MU ST BE INSTALL ED IN ACCORDAN CE WITH NATIONAL , STATE AND LOCAL PLUMBING, HEATING AND ELECTR I CAL C ODES AND ORDINAN CES, AS W ELL AS TH E REGUL ATIONS OF THE SER VING ELECTRICAL, W ATER AND GAS UTILIT IES. All sys tem s sho uld be des i gned and installed by license d[...]

5 W ARNIN G – RISK OF F IRE. S AFE TY RULE S · A f ter re m oving the packa ging , check that the ma terial sup pli ed i s intac t and co m p l ete ; if this is not the cas e, contact the heating con tract or that sold the 3 W OO D Bo il er . · The 3WOOD Boiler m ust be installed by a li cens ed heati ng con tractor in co m pliance w it h the N[...]

6 IDENTIFI CA TI ON The 3 W OOD Boiler is identified by: · The ETL Name Pl ate t hat MU ST be applied by QHT In c, so that i t is legible w hen the 3WOOD is i ns talled (for exa m p l e, on the top panel as s ho w n on page 20). · The ASME P late is f as t ened to the f ront o f the boiler on the cas t ing. -Canadian · Operat e the (gas, Oil , E[...]

7 PROCEDURE IN EVENT OF POWER F A ILURE Should your e l ectric ity go o ff during the heat i ng s eas o n, there are se v eral proced ures t hat sh ould be f o llow ed i n order that you m ay cont i nue to sa f ely ope rate your heating s ystem. T hes e procedu res apply to t he so li d- f uel boiler , as the gas or oil- fi red bo iler , if any , w[...]

8 REFUELING THE BOILER · Use ex t r e me caution when r efueling the boiler . If the door is opened too quickl y, t he unburned hot gases may ignite and cause a back puff. This is especially true with ver y dry wood. · DO NOT t amper with the chain on the draft r e gulato r as it could cause the fir e to burn out of control. · K eep ash and fuel[...]

9 WOOD BURNING Overvie w Burn dr y a n d we ll-seaso ned hardwoo d with a moist ur e co ntent o f 20 % or less. W ood mu s t be s eas on ed a t least s ix months; h owe ver , it is pre ferable to s eason it for a year to e ight een months. Seas on ed wood w ill not only red uce creosote but will a lso produce more heat. So me sea- soned hardwoods w[...]

10 The Hea t V al ue o f W ood The f ollow ing c hart c ompiled b y the United Sta tes F o res t Produc ts Laborato ry ind icates th e a m o unt o f heat availa ble per cord o f woo d fro m a f e w repres e ntative tree spe cies. Other good to very good spec i e s wo uld include app le, walnut, pec an, dogwood, cypres s, syca m o re and gum. Th e l[...]

11 CREOSOTE Creosote co ndenses from the flue gases m or e qui ckl y w hen the temper atur e in the chimney is low . The actual amount of creosote deposi ted is dependent on: 1. The amount of m oi stur e in the flue gases. 2. The temperatur e of the stack, 3. The rate at whi ch the wood is burned. 4. The amount of draft in the stack. 5. How complet[...]

12 Chi mneys Do NOT conne c t this un i t to a chimney f lue serving another a pp l ianc e. Downdraf ts Downdra f t s can resul t f ro m im pr oper chim ne y height , nearby build i ngs, t ree t hat are tall er t h en the chimney , an d t oo large of a flue. To hel p mi n imize this pro blem , t he top of t h e chimney must be at l e ast t h ree f [...]

13 COAL FIRES CAN PRODUCE POISONOUS GASES! All coal fires prod uce large quantities of carb on monoxide (CO) a highly po i s onous gas . Exposure to this gas produc es drowsine ss, sleep, and in some cases , brai n damage or ev en death. Since carbon monoxide is odorless and colorless, the victim i s rare l y awar e that he or she is being overcome[...]

14 T he 3WOOD Boilers are hot water generators that operate by combusti on of hard wood or soft coal. They f eature a high quality and extremely thi ck ASME class 20 cast-ir on body, protected by hi gh-density insul ation that li mits heat loss. The l arge heat exchange surface and the fins i n the flue gas path ensure exceptional res i stance to c[...]

15 W hen the 3 W OOD is installed, check that T he flue, if reused: · Suppli es the negative pressure required for the new boiler (see the table of techn ical specifications on page 10) ; · is sui tab le f or the tem per atur e of the products of combustion, an d has been cal c ulated and constr ucted according to the requir ed standards; recomm [...]

16 LA YOUT OF THE M AIN COMPONENTS 1. Pr essure G auge 13. Flame I nspection Wi n dow 2. T emperatu r e Gauge 14. Lo a din g Doo r 3. Flue Ga s C h amb er 15. Draft Re gul ator 4. Mobile Smoke Plat e 16. Flue Attachme n t 5. Loadin g / Combus t ion Chamb er 17. Flue Gas Dam per 6. Flue Ga s Baf fle 18. Flue Cleanout Do or 7. Ash Co l lectio n C h a[...]

17 T ransp orting Once the packagi ng has been removed, cut the straps and rem ove the casi ng in such a way as to avoi d dam agi ng i t. · If hoisting equi pm ent i s availabl e, su i table for the weight of the boiler, use the eyebolts (1) provided on the body to lift it · If no sui table hoisting equipment is avail ab l e, handle the boil er m[...]

18 FLUE G AS OUT LET T he ch imney and f lue m ust be made in com pl i ance with building codes and resistant to hi gh tem per atur e, condensate and m echani cal stress, and that ar e airtight. · Do not connect to any ch i m ney f l ue or vent servicing another appliance. · The 3W OOD takes in the combustion air f rom the r oom where the boil er[...]

19 J. Fit the top rear panel ( 8 ), r esting i t on the si de panel s, and secure it with two scr ews (9) K. Appl y the rear insulation (10), inserting the edges in the openings at the side and top L. Fi t the rear panel (11) and fasten it with the six screw s (12) suppli ed M. Insert the top centr e panel (13) underneath the top r ear panel (8) an[...]

20 Installation of Co ntrol s A. Insert the temperatur e gauge (16) in the housing on the f ront panel (15) and secur e it B. Parti ally unw ind the capillary tube from the ther m o meter, i nsert the sensor in the pr obe socket (17) and secure i t w ith the fastening spring C. Fi t the front panel (15), handling the temperature gauge capill ary tu[...]

21 A. Open the l oading door (1) B. Remove the fl ue ga s cove r (2) b y turning th e latch ( 3) C. Inse rt the flue g as partitio n (4) i n the guide p rovided a nd pr ess it full y int o the rear of the boil er . D. Repla ce the cov er (2) a nd sec ure it with the latch ( 3) E. Open the door on the as h coll ection chambe r (5) an d inse rt the a[...]

22 IMPORT A N T : When asse mbl y has been completed, the Heating Contractor must make sure that the ETL TECHNICA L R A TING PL A T E is attached to the top pane l of casing. NOTE: Chain m ust b e exactl y 32 i nches l on g. 32 ” B. Hold the cam in position by ha nd, remove th e prot ector (9 ) and replac e it with the hexag onal ha ndle (10 ) at[...]

23 PRELIM IN AR Y CHECKS / S tartin g The Fir e Before st arting a fire i n the 3 W OOD, check that: 1. T he 3W OOD is filled with water . 2. T he valves are ope n in th e distrib ution s y stem. 3. T he distri bution s ystem has be en purg ed of all i ts air . 4. T he exhaust pipe a nd com bustio n air controls and damp ers ha ve be en install ed [...]

24 Be f o re ch oo sin g a part i cu lar syste m for y o ur insta ll at i o n, t he p oss ibili t y o f using a mi x ing valve arrangement to avoi d t he pr oblems o f overheat in g shou l d be considered. These sys t e ms w ill co n t i nuo usl y re l ease heat to the d i st r ib ut i o n syste m in pro portion to t he o uts i de t em p erat ure o[...]

25 3W oo d inst alled in c o m bina tion wit h a oil/g a s boile r Thermos tat Note : Power f a ilure reference pa ge 9. NOTE: All w iring must be done in acco rdan ce with applicab l e state, lo cal and na t ional c ode s. U se onl y copper conductors. Note: T he operat io n o f t he gas bo il e r m ust be verifi e d f or acc eptab le operat i o n[...]

26 B. 4-WAY MIXING VALVE Installed w ith 3W O OD B oiler in Co mb ination with Oil/Gas B o iler 1. A mixing valve arra ngement is a met h od of co n trolling house temperatu r e that is dif fe r ent than traditio n al Ame rican sy st ems. In the ave r age hy dr o nic sy stem, circula ting or n o t c irculating w ater of a fairly h i g h and relativ[...]

27 4 Way Mixing Valve Piping PIPING NOTES: 1. This drawing is meant to show system piping concept only. The installer is responsible for all equipment & detailing required by local codes. 2. Discharge of Pressure Relief Valve must be piped without valves to within 3 ” of the floor. 3. Where required, Low Water Cutoff must be installed in the [...]

28 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. The 3WOOD must be installed without changing the function of the controls or rewiring the original boiler. A wiring intercon nection is permitted. The electrical system of both boilers shall be powered from a single branch cir[...]

29 C. 3WOOD B oiler w ith ci r culator Piped in Pa r allel w ith Oil/Gas Boi ler In the traditio nal Ame rican baseb oar d, hydronic sy stem, the heati ng temperatu r e in th e h o use o r zo n e is co n trolled by circulating or not circulat ing w ater of a fairl y hi g h and relative ly constant tempe r ature to radiatio n. Th e th e r mostat use[...]

30 Parallel Piping (Circulators, Controls, Valves & Wiring for 3 WOOD, Boiler supplied by others.) PIPING NOTES: 1. This drawing is meant to show system piping concept only. The installer is responsible for all equipment & detailing required by local codes. 2. Discharge of Pressure Relief Valve must be piped without valves to within 3 ” o[...]

31 NOTE: All wiring must be done in accordance with applicable state, local and national codes. Use only copper conductors. The 3WOOD must be installed without changing the function of the controls or rewiring the original boiler. A wiring intercon nection is permitted. The electrical system of both boilers shall be powered from a single branch cir[...]

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33 # Des cript io n 3WOO D 4,5,6,7 1 Stud Sc r ew 59200619 2 Bus hin g 59200620 3 Flange 59200621 4 Side Tapping 5 Re a r Bo il er Sectio n 59200623 6 Intermediate B o iler Sectio n s 59200624 7 Top Push Nipple s 59200625 8 Botto m Push Nipples 59200626 9 Bus hin g 59200627 10 Tie Ro d 59200628,592 00629 59200630,592 00631 11 Front Bo iler Sectio n[...]

34 # Des c ription 3WOOD-4 3WOOD- 5 3WOOD-6 3WOOD-7 1 To p Rear Panel 59200600 59200600 59200600 59200600 2 Insulat i o n Assembly 59200601 59200602 59200603 59200604 3 Rear Panel 59200605 59200605 59200605 59200605 4 Cover Panel 59200606 59200607 59200608 59200609 5 R i g h t Si de Pa nel 59200610 59200611 59200612 59200613 6 Front Panel 59200614 [...]

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36 SHUTDO WN Extende d S hutdown: If t he b o il er is not used for an extended per i o d, t h e f o ll o wing o perati ons m ust be perfor m ed: · Cl ose t he o n -o ff va lves co nnected to t h e 3WOOD Bo il er. · Rem ove t h e ash a nd clean the fl ue gas path. · Assess whether t he Technical Ser vice needs t o be contacted f o r more thro ug[...]

37 T rou bleshooting Problem Cause Corrective action There is a smell of fumes. - Fumes are escaping into the ai r - Cl ea n an d c heck the t i g htness of the fl ue gas path - Check t h at t he l o ading and combust i on ch amber do ors close cor rec t l y - Dra f t Regulator - Check cor rect o peration and rep l a ce if necessary - Chain u nhoo [...]

38 Boiler Mode l No._________ ________ S erial No.________ __ Original Pu r chaser: In s t alle r : ______________ ___________ ______________ ________ ______________ ___________ ______________ ________ ______________ ___________ ______________ ________ Boiler Pe rformance Te sts: GR OSS STACK TEMP ERATU RE ---------------- ---- RO OM TEMPERATU RE ([...]

FI RS T Y E A R-W A RRANTY FOR 3WOOD SERI E S RESI DENTIA L HOT W A TER BOILER S : QHT warr ants t hat i ts cas t-iron boi ler a n d casin g are free from defects in materi a l an d workmans hip for on e year from the date of i ns tallation. If th e bo ile r is foun d to be defecti ve within this period, QHT will replace th e boil er block or casin[...]

E m ail: W eb: T elepho ne: Fax: info@qht inc.co m www . qht inc.co m 80 0-501 -7697 60 3-334 -6401 QHT Inc. 3560 Lafayette RD Portsm out h, NH 03801 For service please contact: 3 W OOD Boiler Manu f actu red by : Biasi S.p.A V erona, I ta ly[...]