State Water Heaters Sandblaster SBD30 150 NE Page 54 Service Handbook Download

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SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL

GAS WATER HEATER SERVICE HANDBOOK

Ashland City, Tennessee

PARTS SBD30-150/199NE

Summary of Contents for Sandblaster SBD30 150 NE

Page 1: ...08 Models and SBD30 150 SBD30 199 Booster Heaters COMMERCIAL Self Cleaning Induced Draft Multi Flue Commercial Gas Water Heaters Part Number 317927 000 Printed in the U S A 0810 SERVICE HANDBOOK SandBlaster SBN Meets Low NOx Requirements of SCAQMD Rules 1121 1146 2 ...

Page 2: ...ATED AIR 9 AIR FOR COMBUSTION FLAMMABLE ITEMS 9 GAS VALVE 10 GAS VALVE 11 VENTING 12 VENTING MULTIPLE CATEGORY I GAS WATER HEATERS 12 VENT TABLES FOR CATEGORY I TYPE B GAS VENT 13 VENT TABLES FOR CATEGORY I TYPE B GAS VENT 14 VENT TABLES FOR CATEGORY I TYPE B GAS VENT 15 VENT TABLES FOR CATEGORY I TYPE B GAS VENT 16 VENT TABLES FOR CATEGORY I TYPE B GAS VENT 17 SBN SBD30 150 199 SEQUENCE OF OPERAT...

Page 3: ... local State Water Heater representative for further assistance No duplication or reproduction of this book may be made without the expressed written authorization of the State Water Heaters SBN 71 120 thru 85 390 SBD30 150 199 SERVICE HANDBOOK INTRODUCTION WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION 33 WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED ...

Page 4: ...as supply and electrical testing skills are required TOOLS REQUIRED Phillips head screwdriver standard screwdrivers 3 8 and 7 16 inch open end wrench set of marked drill bits electrical multimeter tester capable of measuring continuity AC voltage and DC voltage gas pressure gauge or manometer water pressure gauge thermometer range 0 220 degrees F 1 2 inch socket with extension for removal of the c...

Page 5: ...ws some often overlooked installation considerations clearances air supply gas pressure requirements and venting taking note of necessary installation requirements for SBN and SBD30 150 199 The installation manual covers most of these items in detail A 24 inch clearance for all serviceable parts is recommended Clearances may vary between models See instruction manual or the label on the heater for...

Page 6: ... t a W e t a t S 7 0 0 2 e e s s e n n e T y t i C d n a l h s A MINIMUM CLEARANCE TO COMBUSTIBLES Model Number A Right Side B Left Side C Back D Ceiling SBN 120 thru 200A 2 2 2 12 SBN 250 A thru 310 A 3 3 3 12 SBN 366 6 6 6 6 SBN 390 4 4 4 4 SBD30 150 199 2 2 2 12 A B and C clearances to non combustibles is 0 inches a 12 inch clearance to cover remains unchanged ...

Page 7: ...learances for venting units using natural draft venting The vent must extend at least 3 feet above the highest point where it passes through a roof of a building and at least 2 feet higher than any portion of a building within a horizontal distance of 10 feet for vents of 12 inches in diameter or less References NFPA 54 2006 ANSI Z 223 1 SEC 12 6 2 and Sec12 7 2 may allow reduction to 8 feet with ...

Page 8: ...equipment was not considered in sizing make up requirements This condition may result in air being back drafted by the restaurant exhaust equipment through the heater causing the draft proving switch to open and or erratic heater shutdown Stoichiometric or theoretical complete combustion requires 10 cubic feet of air per 1 000 BTUH of gas supplied The National Fuel Gas code also recommends an addi...

Page 9: ...e upper opening provides vent dilution air and acts as a relief opening for flue gases should the vent become obstructed or a downdraft condition occur Additionally when the heater is installed in a confined space and communicating with the outdoor air one permanent opening beginning within 12 inches 30 cm of the top of the enclosure must be permitted where the equipment has clearances of at least...

Page 10: ...long with adequate make up air the quality of the air is important Contaminants in combustion air can lead to premature heater failure Vapors from bleaches soaps waxes salts etc are drawn into the combustion chamber with the make up air and once fired mix with water vapor in the gases to form extremely corrosive hydrochloric or hydrofluoric acid and other corrosive by products CONTAMINATED AIR AIR...

Page 11: ... volt AC combination step opening gas valves They incorporate the main valve and gas pressure regulator into one body The Low Gas Pressure Switch the Supply Gas Inlet and the Supply Gas Pressure Tap are shown in the Inlet View to the right The top view of the gas valve shown on the right shows the Main Gas Regulator Manifold Pressure Tap Top Knob and the Limited Bleed Vent Port The main gas regula...

Page 12: ... e H r e t a W e t a t S 7 0 0 2 e e s s e n n e T y t i C d n a l h s A The outlet view of the Gas Valve shown on the right shows the Manifold Gas Outlet Connection the two 24 volt Main Valve MV Solenoid connections and the Manifold Pressure Tap The two yellow wires from the 12 pin plug on the Ignition Board attach to the MV terminals OUTLET VIEW GAS VALVE ...

Page 13: ...T 2 1 s r e t a e H r e t a W e t a t S 7 0 0 2 e e s s e n n e T y t i C d n a l h s A All SBN and SBD water heaters are classified by ANSI as Category I non condensing negative pressure venting appliances They are approved for type B vent The draft inducer does not pressurize the exhaust VENTING VENTING MULTIPLE CATEGORY I GAS WATER HEATERS ...

Page 14: ...e Vent Connector Diameter inches 120 000 1 6 6 5 5 5 5 5 5 120 000 2 5 5 5 5 5 5 5 5 120 000 3 5 5 5 5 5 5 5 5 No of Units Combined Input Btu hr x 1 000 Combined Vent Manifold Diameter 6 6 6 6 6 6 7 7 0 0 0 0 4 2 2 6 6 6 7 7 7 8 8 0 0 0 0 6 3 3 6 7 7 8 8 9 9 9 0 0 0 0 8 4 4 Model SBN 154 SBD30 150 T r h u t B 0 0 0 4 5 1 0 0 0 0 5 1 t u p n I otal Vent Height feet 0 0 1 0 5 0 3 0 2 5 1 0 1 8 6 6 e...

Page 15: ...1 0 1 8 6 6 e z i S r o t c e n n o C t n e V Input Btu hr Rise Vent Connector Diameter inches 180 000 1 7 7 6 6 6 6 6 6 199 000 200 000 1 7 7 7 6 6 6 6 6 180 000 2 6 6 6 6 6 6 6 6 199 000 200 000 2 7 7 6 6 6 6 6 6 180 000 3 6 6 6 6 6 6 6 6 199 000 200 000 3 6 6 6 6 6 6 6 6 No of Units Combined Input Btu hr x 1 000 Combined Vent Manifold Diameter 2 360 000 7 7 6 6 6 6 6 6 398 000 400 000 7 7 7 6 6...

Page 16: ...6 6 275 000 3 7 7 7 7 6 6 6 6 No of Units Combined Input Btu hr x 1 000 Combined Vent Manifold Diameter 2 550 000 10 9 9 8 8 8 7 7 3 825 000 12 12 12 10 9 9 8 8 4 1 100 000 14 14 14 12 12 10 9 9 VENT TABLES FOR CATEGORY I TYPE B GAS VENT Model SBN100 250 l a t o T r h u t B 0 0 0 0 5 2 t u p n I Vent Height feet 0 0 1 0 5 0 3 0 2 5 1 0 1 8 6 6 e z i S r o t c e n n o C t n e V Input Btu hr Rise Ve...

Page 17: ...o T r h u t B 0 0 0 0 1 3 t u p n I Vent Height feet 0 0 1 0 5 0 3 0 2 5 1 0 1 8 6 6 e z i S r o t c e n n o C t n e V Input Btu hr Rise Vent Connector Diameter inches 310 000 1 9 8 8 8 7 7 6 6 310 000 2 8 8 8 7 7 7 6 6 310 000 3 8 8 8 7 7 7 6 6 No of Units Combined Input Btu hr x 1 000 Combined Vent Manifold Diameter 2 620 000 10 10 9 9 8 8 7 7 3 930 000 14 12 12 12 10 9 9 8 4 1 240 000 14 14 14 ...

Page 18: ...0 1 8 6 6 e z i S r o t c e n n o C t n e V Input Btu hr Rise Vent Connector Diameter inches 366 000 399 000 1 9 9 9 8 8 8 8 8 10 9 9 9 8 8 8 8 366 000 399 000 2 9 9 8 8 8 8 8 8 9 9 9 8 8 8 8 8 366 000 399 000 3 9 8 8 8 8 8 8 8 9 9 8 8 8 8 8 8 No of Units Combined Input Btu hr x 1 000 Combined Vent Manifold Diameter 2 732 000 12 10 10 9 9 9 8 8 798 000 12 12 10 10 9 9 8 8 3 1 098 000 14 14 14 12 1...

Page 19: ... e T y t i C d n a l h s A SBN SBD30 150 199 SEQUENCE OF OPERATION Sequence 1 Thermistors probes call for heat 2 Inducer fan starts and provides draft 3 Hot surface igniter 20 sec warm up 4 Main gas valve opens 4 sec trial for ignition Maximum 5 trials 5 Main burner ignites and proves 6 Thermostat reaches the temperature setting 7 Main burners OFF Auto restart after 60 min 20 sec blower 6 1 4 2 1 ...

Page 20: ...be equal to area of the largest single vent plus 50 of area of all others joining EXAMPLE To combine two 6 vents with an 8 vent the area of a combined vent should be one half area of two 6 inch vents 14 14 plus area of 8 inch vent 50 or 78 sq inches Referring to chart 78 sq inches requires a 10 diameter vent Vent Size Area in Square Inches Vent Size Area in Square Inches 5 20 10 79 6 28 12 113 7 3...

Page 21: ...ipe should ALWAYS be the same size as the outlet of the draft hood or factory supplied vent reducer Model SBN71 120 is supplied with a 6 to 5 reducer 2 The diameter of a vent pipe should NEVER be reduced no matter what the circumstances 3 In some cases it may be necessary to run a vent larger than the vent connector 4 Take the maximum vertical rise x possible immediately above the draft hood 9 RUL...

Page 22: ...a t S 7 0 0 2 e e s s e n n e T y t i C d n a l h s A 5 Use a 45 elbow in place of a 90 elbow where possible Avoid the use of a 90 elbow immediately above the draft hood Allow the maximum vertical rise before any elbow 6 Horizontal pipe should be sloped upward at a minimum of per foot 9 RULES FOR GOOD VENTING HORIZONTAL RUN VERTICAL RISE EQUAL TO 1 4 PER FOOT OF HOROZONTAL RUN ...

Page 23: ...s can cause down drafts The vent pipe should be extended to meet local codes 9 RULES FOR GOOD VENTING 7 Horizontal elements should be limited to 75 of the vertical rise of the vent above the connection 8 Flue gases must be kept hot for proper venting Single wall vent exposed to cold air may not vent properly HORIZONTAL ELEMENTS LIMITED TO 75 OF TOTAL VERTICAL HEIGHT VENT RUNS BEYOND EXTERIOR WALLS...

Page 24: ... e t a t S Ashland City Tennessee 7 0 0 2 DRAFT PROVING PRESSURE SWITCH SETTINGS Draft Proving Pressure Switch Table SBN Models SBD Models Pressure Setting To Close Switch Inches W C 0 1 0 6 1 6 6 3 0 1 0 0 2 5 7 2 0 1 5 7 1 0 1 3 0 1 0 4 2 0 0 2 0 2 1 0 1 0 6 2 0 8 1 4 5 1 30 150 199 NOTE Pressure Switch Contacts are Normally Open N O and close on a fall in pressure 2 50 10 ...

Page 25: ...0 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 4 2 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 THERMOSTAT AND IGNITION CONTROL BOARD VIEW ...

Page 26: ...0 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 5 2 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 WHITE RODGERS INTEGRATED CONTROL THERMOSTAT ...

Page 27: ...BD30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 6 2 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 WHITE RODGERS IGNITION CONTROL BOARD ...

Page 28: ... 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 7 2 s r e t a e H r e t a W e t a t S Ashland City Tennessee 317927 000 7 0 0 2 GAS CONTROL VALVE BURNER AREA VIEW HSI Part Number 194405 Volts AC Nominal 80 VAC Ohms Resistance 11 0 20 0 77 F 25 C NOTICE FLAME ROD CROSSES PATH OF FLAME 1 25 SBN s ...

Page 29: ...SBN85 390 SBD30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 8 2 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 WIRING DIAGRAM ...

Page 30: ...ns the Gas Valve 10 From the time the Gas Valve opens the Ignition Control Board waits 3 seconds and then shuts off power to the Silicon Nitride Ignitor 11 From the time the Silicon Nitride Ignitor s power is shut off the Ignition Control Board waits 3 more seconds to monitor the Flame Sensor 12 If the Flame Sensor does not detect a strong enough flame the Ignition Control Board shuts off the Gas ...

Page 31: ...90 SBD30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 0 3 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 OPERATING SEQUENCE FLOW CHART ...

Page 32: ...0 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 1 3 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 DIAGNOSTIC SEQUENCE OF OPERATION FLOW CHART ...

Page 33: ..._______________________________ What is stored with the heater ____________________________________________________ How is the heater vented ____________________________________________________ Are all water and gas shut off valves open ____________________________________________________ Are there room exhaust or air intake fans ____________________________________________________ 3 Did you note ...

Page 34: ...13 Terminal and 2B receptacle n e h T F I voltage is not present from on off switch center black wire to ground Check conditions above Check wiring from switch to break box Power is present from center on off terminal Check power from on off switch to ignition board terminal E13 Voltage is not present at E13 to ground check wiring from on off Left outside terminal to E13 Replace on off switch Powe...

Page 35: ...cle 3 Flashes Draft proving pressure switch failed to close 2 1 inches of water column pressure within 5 seconds after the inducer was started The low gas pressure switch closes at 5 2 04 w c may have remained open Nat Gas only 4 Flashes Open on high temperature limit switch ECO 5 Flashes Not Used 6 Flashes 115 volt supply power connection is indicating reversed polarity 7 Flashes Flame sensor rea...

Page 36: ...er Green Power LED is on Tank is more than 5 F below temperature dial setting Red ignition control board diagnostic LED is flashing 6 times between pauses Red diagnostic Call for Heat LED OFF TEST 2 Polarity Check Check from on off switch center and white wire terminals to ground 115 125 VAC is not present see Test 1 Voltage is present white right terminal to ground but not black center terminal t...

Page 37: ... Flash Code before resetting water heater control See Description of diagnostic LED Flashes Turn Power Off 0 0 Ohms TEST 3 Continuity check of ECO energy cut off high limit Black to Black wires of upper probe Power is off n e h t f I continuity is indicated ZERO 0 0 Resistance opens at 203 F closes at 193 F If water is below 193 F continuity is correct continuity is not present meter reads 0 L rep...

Page 38: ...Water below temperature set point Red water heater control Reset Status LED OFF Call For Heat LED off Ohms Resistance Table F Ohms 70 11 884 120 3 759 140 2 488 180 1 169 TEST 4 Upper Temperature probe continuity check Red wire to red wire Turn supply power Off for this test n e h t f I Test indicates no continuity Replace probe Continuity s m h O y f i r e v o s l a y a k o e b d l u o h s e b o ...

Page 39: ...in Receptacles Red Call for Heat LED ON Inducer Off Note flash code on ignition control board diagnostic LED Water Heater Control Thermostat call for heat LED Indicator diagnostic LED indicator 120 n e h t f I Pin 1 to ground check has no voltage reset control by interrupting power note possible reasons for this from flashing LED code replace ignition board Pin 1 to ground e g a t l o v s a h Proc...

Page 40: ...rminal to ground shows voltage to only 1 terminal Switch is open check for proper draft should also see LED 3 flash code Check for blocked exhaust Check that blower outlet exhaust damper is open Replace blower draft proving switch Natural Gas ONLY 24V is present from each switch terminal to ground Check wiring from blower switch to low gas pressure switch Voltage check to each terminal of low gas ...

Page 41: ...it Continuity check Power off Plug removed from E4 receptacles Nominal 80 VAC check Plug in E4 Power On If then Continuity is not indicated between E4plug pin 2 to 4 Check wiring and connection from E4 plug to HSI receiving plug Replace HSI Assembly Continuity is present Resistance should be between 11 and 20 Ohms at a temperature of 77 F Voltage is not present between E4 Pin 2 to ground Replace i...

Page 42: ...eck control box grounding Normal Approximate 20 seconds warm up no ignition Check for 24V from E1 Pin 12 to ground during 4 second trial Yes Continue No Replace Ignition Board No voltage present E4 Pin 12 to ground Replace ignition board 24 Volt was present from E1 Pin 12 to ground but no main burner Check that air has been purged from gas circuit check that wiring and connections to gas valve and...

Page 43: ... 7 0 0 2 TEST 9 IGNITOR HEATS NO MAIN BURNER Conditions Test 8 completed then Turn off power Disconnect wires from gas valve TEST 9 IGNITOR HEATS NO MAIN BURNER n e h t f I Meter reads 0 or 1 Check meter scale setting to read between 550 and 650 Ohms Replace Gas Valve Meter indicates pilot and main coil have continuity Valve should be okay still no gas to main burner then coil may be stuck Replace...

Page 44: ...d Note flash code on ignition board LED TEST 10 MAIN BURNER IGNITION FOR LESS THAN 5 SECONDS n e h t f I No extended g u l p y l b m e s s a I S H f o s n o i t c e n n o c g u l p d n a g n i r i w k c e h C n o i t i n g i r e n r u b n i a m and ignition board receptacles E1 Pin 2 Check that HSI assembly is not cracked or dirty Check that flame prover will be in main flame Replace HSI assembly ...

Page 45: ...from heater control board receptacle E3 and E4 TEST 11 WATER TEMPERATURE CIRCUIT CHECK CONTINUITY n e h t f I continuity check pin to pin of lower temperature probe shows 1 or 0 E4 See Test 4 Check wiring and plug connections to heater control board receptacle E4 Replace lower temperature probe continuity check red wire pin to red wire pin on upper temperature sensor shows 1 or 0 E3 see Test 4 Che...

Page 46: ...50 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 5 4 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 DISPLAY LIGHTS ON INTEGRATED WATER HEATER CONTROL ...

Page 47: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 6 4 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 100 ...

Page 48: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 7 4 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 100 ...

Page 49: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 8 4 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 100 ...

Page 50: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 9 4 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 108 ...

Page 51: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 0 5 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 108 ...

Page 52: ...D30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 1 5 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBN71 120 thru 85 390 series 108 ...

Page 53: ...85 390 SBD30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 2 5 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBD30 150 199NE ...

Page 54: ...85 390 SBD30 150 199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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 3 5 s r e t a e H r e t a W e t a t S Ashland City Tennessee 7 0 0 2 PARTS SBD30 150 199NE ...

Page 55: ...e Waltz Parkway Ashland City TN 37015 800 365 8170 www statewaterheaters com Prepared by the State Water Heaters Training Department For additional technical information call 800 365 0577 Copyright 2007 State Industries Inc COMMERCIAL ...

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