Instruction/ maintenance manual of the product SBD71 120 State Industries
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COMMERCIAL Part Number 317926-000 Printed in the U.S.A. - 0810 SERVICE HANDBOOK SandBlaster ® Self Cleaning Commercial Gas W ater Heaters with Flue Damper and Electronic Ignition SBD71 120 Through SB.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 1 SBD HANDBOOK TABLE OF CONTENT S PAG E PAG E Tr oubl es hooting (c ontinu e d) Int r od.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 2 Qualifications : Installation or service of this wa ter heater requires ability equivalent to that of a licensed tradesman in the field involved.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 3 INSTALLATIO N This portion of the handbook will review some of t en overlooked installation considerations, taking note of necessary installation requirements for the SBD 71120 through SBD 85500 model heaters.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 4 EX T ER IOR CL EARANC E T his illus t ra t es t he ex t erior roo f clearances f or SBD uni ts wi t h na t ural dra ft ven t ing .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 5 AIR FOR COMBUSTION 10 CUBIC FEET OF AIR PER 1,000 BT U Stoichiometric or theoretical complete co m bustion requires 10 cubic feet of air per 1000 BTUH input of the gas input.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 6 MAKE-UP AIR DIRECT COMMUNICATION A f re s h s uppl y o f make-up air f or c ombu st i on can be supplied to t he heater through make - up air ducts which directly communicate wi t h the out of doors.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 7 MAKE-UP AIR VERTICAL DUCTS Often it is more practical to install vertical make-up air duc ts to t he ou t doors .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 8 INSUFFICIENT MAKE-UP AIR BACKDRAF T Insufficient make-up air is a major cause of combustion problems.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 9 CONTAMINATED AI R Along with adequate make-up air, the quality of t he air is impor t an t. Con t aminan ts in combustion air can lead to premature hea te r f ailu re .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 10 GAS PRESSURE REQUIREMENTS Natural Gas Propane Gas Max imum S uppl y Pr e ss ure 10 . 5" W. C. 13 .8" W. C. M ini mu m S uppl y Pr e ss ur e 5.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 11 SBD G AS VA L VE The gas valves used on all SBD water heaters are 24 volt AC combination step opening gas valves. They incorporate the pilot valve, main valve, and gas pressure regulators into one body.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 12 VENTIN G Atm os ph er i c , S ingl e , a nd M ul t ipl e Heaters All SBD water heaters are classified by ANS I as ca t egory I (non-condensing , nega t ive pressure ven t ing) appliances .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 13 Nine Rules for Good Vents (continued) 2. The diameter of a vent pipe should NEVER be reduced, no matter what the circumstances. 3. In some cas es i t may be ne ce ss a ry to r un a v en t la r ge r than the draft diverter outlet.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 14 Nine Rules for Good Vents (continued) 6. Horizontal pipe should be sloped upward at a minimum of ¼” per foot. 7. Horizontal elements should be limited to 75% of the vertical rise of the vent above the connection.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 15 POWER VENT KITS FOR SIDEWALL VENTING SBD water heaters can be used with power vent ki ts f or s idewall v en t ing .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 16 SBD SEQUENCE OF OPERATIO N 1. Thermostat calls for heat 2. Flue damper opens 3. In termittent Ignition Control 5. Main gas valve opens 7.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 17 SBD ELECTRICAL SEQUENCE 100 – 109 S er i es.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 18 SBD ELECTRICAL SEQUENCE OF OPERATION 115/60/12 A.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 19 TROUBLESHOOTING SBD WATER HEATERS To t roubleshoo t a SBD wa t er hea t er check t ha.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 20 STEP 2 HIGH LIMIT, LEFT TERMINAL TES T STEP 2. HIGH LIMIT, LEFT TERMINAL TEST . Test for 24 VAC between the left high limit terminal and ground.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 21 STEP 3 TEST HIGH LIMIT RIGHT TERMINA L STEP 3. TO TEST HIGH LIMIT RIGHT TERMINA L . Ensure t ha t t he jumper wire between the high limit and thermostat is c onnected, and the damper motor power line is connected.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 22 STEP 4 IN SPE CT T HE DA MPE R ST EP 4. I NSPEC T T HE DAMPER . Lower the thermostat setting so the unit will not be calling for heat, then inspect the damper.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 23 STEP 6 PC BOARD MOTOR TES T STEP 6. PC BOARD/MOTOR TEST . Check for 24 VAC between the two motor lead te rm inal s of t he PC boa rd. Di sc onne ct t he wi re s for t hi s te st.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 24 STEP 7 THERMOSTAT TES T ST EP 7. T HERM OST AT T ES T. Se t t he t hermo st a t to c all f or hea t. Us ing y our mul t ime t er , te st f or 24 V AC be t ween righ t t erminal and ground .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 25 EFFIKAL DAMPE R The wiring colors from the damper PC Board ar e di ff eren t colors than the wires on the heater wiring harness. The male/female plug s to connect the dampe r board to the heater harness join in only one way.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 26 HARNESS CHART Heater Harness Function Damper Harness Black 24V Hot 1-Brown Yellow 24V.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 27 NO RMA L OPE RA TIO N (c on t inu e d) Condition : • T hermos ta t c losed , damper in pro ce ss of opening STEP 8A TEST FOR 24VAC BETWEEN BLACK AND ORANG E N E H T F I .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 28 TRO UB L ESH OOTING T HE EFFI KA L DAMPER Condition : Thermostat closed, damper c lo .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 29 TROUBLESHOOTING THE EFFIKAL DAMPER (continued) Condition : T he rm o st a t c lo s ed , da m pe r open .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 30 TROUBLESHOOTING THE EFFIKAL DAMPER (continued) Condition : T hermos ta t closed , dam.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 31 STEP 11 WIRE HARNESS TES T STEP 11. WIRE HARNESS TEST . Test for 24 VAC between terminal 24V on the IID module, and 24V GND. N E H T F I 24 VAC is not present: • Check the wiring harness.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 32 STEP 12 IID MODULE TES T STEP 12. IID MODULE TEST (Power to the Pilot Valve) . Using a multimeter, test for 24 VAC between terminal PV and 24V (GND) on t he IID during the 90 second trial for ignition .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 33 ST EP 13 PILOT SP ARK TES T STEP 13 . PILOT SP ARK TEST . Vis uall y c he ck fo r s pa rk at t he pilo t a ss e m bl y. No te: T he pilo t bu r ne r m oun ts on t he le ft s ide of t he m ain bu r ne r.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 34 STEP 14 A PILOT VALVE - OHM TES T SBD 120 – 400 GAS VALVE STEP 14A. PILOT VALVE - OHM TEST . If pilo t a ss embl y i s s parking bu t no pilo t f lame is established, disconnect the pilot valve solenoid leads.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 35 STEP 14 B PILOT VALVE TEST – SBD 500 ONL Y S TE P 14B . P ILOT VA LVE TE ST – S BD 500 ON LY. Testing the two coils of the Hone y well V R8404P 5004 gas val ve us ed on t he model SBD 500 only.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 36 STEP 15 MAIN BURNER TES T STEP 15 . M AIN BURN ER TEST .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 37 STEP 16 FLAME RECTIFICATIO N STEP 16. FLAME RECTIFICATIO N No te: F la m e re ct ific at ion m ean s t ha t an al ter na t ing cu rrent (AC) signal is changed to a direct current (DC) signal.
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 38 STEP 17 IID MODULE TES T Pilot is lit - Sparking has stopped. STE P 17 . II D MO DU LE TE ST ( Pow er to t he Ma in Va l ve) . Using a multimeter, test for 24 VAC between terminal MV on the IID and 24V (GND).
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 39 STEP 18 A MAIN GAS VALVE CHEC K SBD 120 – 400 GAS VALVE S TE P 18A . MA IN G AS VA LV E CHECK . Disconnect wires from gas valve TH and TR t erminals .
S BD T ANK TYPE HE A TE RS SER VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 40 STEP 18 B MAIN GAS VALVE COIL CHEC K STEP 18B .
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 41 GENE RA L SE RV ICE CHAR T N O I T U L O S E S U A C N O I T I D N O C DAMPER OPENS NO POWER TO II D MO DUL E . DAMPER NOT FULLY OPEN . DE F EC TI VE PR OT EC TO R S WIT CH .
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 42 GENERAL QUESTIONS AND ANSWER S Q. What is unique about the Canadian – S BC-C GA – m od el s vs . U .S. S BD m od e ls? A. The Canadian models have different dimen s ions to meet Canadian code requirements.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 43 SBD MODELS 120 THRU 500A SERIES 110-111 GAS VALVES HONEYWELL VALVE SBD 500A EFFIKAL DAMPE.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 44 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 45 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 46 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 47 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 48 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 49 SBD MODELS 120 THRU 500A (continued).
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 50 SBD MODELS 120 THRU 500A (continued) SERIES 110-111.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K Technical Training De partment As hl a nd C i ty , T N © 200 3 51 COMPONENT PART INFORMATION NAME SPECIFICATIONS DUA L CO NTRO LL ER THERMOS T AT 120-18 0 .
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K t n e m t r a p e D g n i n i a r T l a c i n h c e T Ashland City, TN ©2003 52 S BD SERVICE CHECK LIST ( Thi s service check li st may be pho to c opi ed to assist wi th SBD service ca ll.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K t n e m t r a p e D g n i n i a r T l a c i n h c e T Ashland City, TN ©2003 53 V. WATER PIPING Is the system properly sized? yes no Is the system properly.
SBD TANK TYPE HEATERS SE R VI CE HANDB OO K t n e m t r a p e D g n i n i a r T l a c i n h c e T Ashland City, TN ©2003 54 CO MMEN TS Author: Terry Mulder.
State Water Heaters 500 T ennessee W altz Parkway Ashland City , TN 37015 800-365-8170 www .statewa terheaters.com Prepared by the State Water Heaters T raining Department. For additional technical information call 800-365-0577. ©Copyright 2007 State Industries, Inc.
An important point after buying a device State Industries SBD71 120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought State Industries SBD71 120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data State Industries SBD71 120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, State Industries SBD71 120 you will learn all the available features of the product, as well as information on its operation. The information that you get State Industries SBD71 120 will certainly help you make a decision on the purchase.
If you already are a holder of State Industries SBD71 120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime State Industries SBD71 120.
However, one of the most important roles played by the user manual is to help in solving problems with State Industries SBD71 120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device State Industries SBD71 120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
