State Water Heaters SANDBLASTER SBD30 150 Service Handbook
Self-cleaning induced draft multi flue commercial gas water heaters
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SERVICE HANDBOOK
SandBlaster
Self-Cleaning Induced Draft Multi Flue
Commercial Gas Water Heaters
Part Number 317927-000
Printed in the U.S.A. - 0810
M O D E L S
C O V E R E D
SBN71 120 Through SBN85 390 (A)
Series 108 Models and
SBD30 150, SBD30 199
Booster Heaters
SBN Meets Low NOx Requirements of SCAQMD
Rules 1121 & 1146.2
®
COMMERCIAL
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Summary of Contents for State Water Heaters SANDBLASTER SBD30 150
- Page 1 SERVICE HANDBOOK SandBlaster Self-Cleaning Induced Draft Multi Flue Commercial Gas Water Heaters Part Number 317927-000 Printed in the U.S.A. - 0810 M O D E L S C O V E R E D SBN71 120 Through SBN85 390 (A) Series 108 Models and SBD30 150, SBD30 199 Booster Heaters...
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Page 2: Table Of Contents
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK SBN 71-120 thru 85-390, SBD30-150/199 SERVICE HANDBOOK INTRODUCTION...2 QUALIFICATIONS...3 TOOLS REQUIRED...3 COMMERCIAL TANK TYPE GAS MODEL NUMBER BREAK DOWN...3 INSTALLATION CONSIDERATIONS - CLEARANCES...4 TOP AND FRONT VIEWS OF MINIMUM CLEARANCES TO COMBUSTIBLES...4 MINIMUM CLEARANCE TO COMBUSTIBLES...5 REQUIRED EXTERIOR CLEARANCES...6 REQUIRED EXTERIOR CLEARANCES...7... -
Page 3: Sbn 71-120 Thru 85-390, Sbd30-150/199 Service Handbook Introduction
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION...33 WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION...34 TEST 2 – POLARITY CHECK...35 TEST 3 - CONTINUITY CHECK OF HIGH LIMIT (ECO)...36 TEST 4 - UPPER TEMPERATURE PROBE CONTINUITY CHECK...37 TEST 5 - CALLING FOR HEAT –... -
Page 4: Qualifications
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK QUALIFICATIONS Installation or service of this water heater requires ability equivalent to that of a licensed tradesman in the field involved. Plumbing, air supply, venting, gas supply and electrical testing skills are required. -
Page 5: Installation Considerations - Clearances
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK INSTALLATION CONSIDERATIONS - CLEARANCES This portion of the handbook reviews 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. -
Page 6: Minimum Clearance To Combustibles
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK MINIMUM CLEARANCE TO COMBUSTIBLES Model Number "A" Right Side SBN-120 thru 200A SBN-250/A thru 310/A SBN-366 SBN-390 SBD30-150/199 A, B, and C clearances to non-combustibles is “0” inches - a 12 inch clearance to cover remains unchanged. -
Page 7: Required Exterior Clearances
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK REQUIRED EXTERIOR CLEARANCES The illustration below shows the required clearances 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). -
Page 8: Required Exterior Clearances
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK REQUIRED EXTERIOR CLEARANCES 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 additional 2.5 cubic feet of “excess”... -
Page 9: Make-Up Air - Direct Communication With Outdoors
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK MAKE-UP AIR – DIRECT COMMUNICATION WITH OUTDOORS A fresh supply of make-up air for combustion can be supplied to the heater through make-up air ducts, which directly communicate with the outdoors.(Not Direct Vent) Two openings are required: one within 12 inches of the top of the enclosure and one within 12 inches of the bottom of the enclosure. -
Page 10: Contaminated Air
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK CONTAMINATED AIR Along 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. -
Page 11: Gas Valve
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK GAS VALVE The supply gas pressure is normally measured at the gas valve inlet gas pressure tap, if available, when the gas is flowing. The manifold gas pressure is measured at the manifold pressure tap of the gas valve when the gas is flowing. -
Page 12: Outlet View
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK GAS VALVE 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. -
Page 13: Venting
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENTING 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. -
Page 14: Vent Tables For Category I - Type B Gas Vent
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENT TABLES FOR CATEGORY I - TYPE B GAS VENT Multiple Gas Fired Tank-Type Heaters When venting multiple Category I tank type heaters using Type B vent pipe, follow the installation tables below which give sizing and data based upon NFPA 54/ANSI Z223.1-2006. -
Page 15: Vent Tables For Category I - Type B Gas Vent
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENT TABLES FOR CATEGORY I - TYPE B GAS VENT Model: SBN80-180; SBN100-199; SBN100-200; SBD30-199 Input:180,000, 190,000 and 199,000 Btu/hr. ” 6 Input Btu/hr 180,000 199,000/200,000 180,000 199,000/200,000 180,000 199,000/200,000 No. -
Page 16: Vent Tables For Category I - Type B Gas Vent
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENT TABLES FOR CATEGORY I - TYPE B GAS VENT Model: SBN100-250 ” 6 Input Btu/hr 250,000 250,000 250,000 No. of Units Combined Input (Btu/hr x 1,000) 500,000 750,000 1,000,000 Model: SBN100-275... -
Page 17: Vent Tables For Category I - Type B Gas Vent
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENT TABLES FOR CATEGORY I - TYPE B GAS VENT Model: SBN 85-310 ” 6 Input Btu/hr 310,000 310,000 310,000 No. of Units Combined Input (Btu/hr x 1,000) 620,000 930,000 1,240,000... -
Page 18: Vent Tables For Category I - Type B Gas Vent
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK VENT TABLES FOR CATEGORY I - TYPE B GAS VENT Model: SBN 85-366NE, SBN 85-390NE ” 6 Input Btu/hr 366,000 399,000 366,000 399,000 366,000 399,000 No. of Units Combined Input (Btu/hr x 1,000) 732,000 798,000... -
Page 19: Sbn /Sbd30-150/199 Sequence Of Operation
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 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. -
Page 20: Combined Venting
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK COMBINED VENTING COMBINING VENTS (MANIFOLDING When vents are combined, the area of the combined vent should be equal to area of the largest single vent, plus 50% of area of all others joining. -
Page 21: Rules For Good Venting
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 9 RULES FOR GOOD VENTING The vent pipe should ALWAYS be the same size as the outlet of factory supplied vent reducer. Model SBN71-120 is supplied with a 6”... -
Page 22: Rules For Good Venting
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 9 RULES FOR GOOD VENTING 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. VERTICAL RISE EQUAL TO 1/4”... -
Page 23: Rules For Good Venting
SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK 9 RULES FOR GOOD VENTING Horizontal elements should be limited to 75% of the vertical rise of the vent above the connection. Obstructions can cause down drafts. The vent pipe should be extended to meet local codes. -
Page 24: Draft Proving Pressure Switch - Settings
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK DRAFT PROVING PRESSURE SWITCH - SETTINGS Models NOTE: Pressure Switch Contacts are Normally Open “N.O.” and close on a fall in pressure. Ashland City, Tennessee Draft Proving Pressure Switch Table Models 30-150/199 ©... -
Page 25: Thermostat And Ignition Control Board View
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK THERMOSTAT AND IGNITION CONTROL BOARD VIEW Ashland City, Tennessee ©... -
Page 26: White Rodgers Integrated Control - Thermostat
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WHITE RODGERS INTEGRATED CONTROL - THERMOSTAT Ashland City, Tennessee ©... -
Page 27: White Rodgers Ignition Control Board
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WHITE RODGERS IGNITION CONTROL BOARD Ashland City, Tennessee ©... -
Page 28: Gas Control Valve / Burner Area View
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK GAS CONTROL VALVE / BURNER AREA VIEW Ashland City, Tennessee Part Number Volts AC Nominal Ohms Resistance NOTICE FLAME ROD CROSSES PATH OF FLAME .1 - .25” © SBN's 194405 80 VAC... -
Page 29: Wiring Diagram
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WIRING DIAGRAM Ashland City, Tennessee ©... -
Page 30: Electrical Sequence - Sbn, Sbd30-150/199
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK ELECTRICAL SEQUENCE – SBN, SBD30-150/199 1. Switch Power on to unit. 2. Thermostat calls for heat. 3. Ignition Control Board performs diagnostic check on system components. 4. On completion of diagnostics check, the Ignition Control Board sends signal to Exhaust Inducer. -
Page 31: Operating Sequence - Flow Chart
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK OPERATING SEQUENCE – FLOW CHART Ashland City, Tennessee ©... -
Page 32: Diagnostic Sequence Of Operation - Flow Chart
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK DIAGNOSTIC SEQUENCE OF OPERATION – FLOW CHART Ashland City, Tennessee ©... -
Page 33: Pre-Service Check List
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PRE-SERVICE CHECK LIST Use the following checklist BEFORE you begin servicing the water heater. 1. Have you removed the cover from the controls? ____________________________________________________ Did you take notice of the status lights on the upper water heater control? ____________________________________________________ Did you take notice of the red LED in the upper left corner of... -
Page 34: Test 1 - 120Vac Power Check
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION TEST 1 – 120VAC POWER CHECK No Green display “Power” LED on. ● Plugs are in receptacles. ● Supply power breaker is not “open” ●... -
Page 35: Water Heater Control Board Troubleshooting And Diagnostic Led Interpretation
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK WATER HEATER CONTROL BOARD TROUBLESHOOTING AND DIAGNOSTIC LED INTERPRETATION Conditions: Power On ● Red, heater control “Call for Heat” LED – on ● Red, ignition control board diagnostic LED – Flashing ●... -
Page 36: Test 2 - Polarity Check
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 2 – POLARITY CHECK Conditions: No hot water ● Green “Power” LED is on. ● Tank is more than 5° F below ● temperature dial setting. Red ignition control board diagnostic ●... -
Page 37: Test 3 - Continuity Check Of High Limit (Eco)
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 3 - CONTINUITY CHECK OF HIGH LIMIT (ECO) Conditions: Power On – No Hot Water ● Red, heater control “Call for Heat” ● LED – on Red ignition control board ●... -
Page 38: Test 4 - Upper Temperature Probe Continuity Check
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 4 - UPPER TEMPERATURE PROBE CONTINUITY CHECK Conditions: Power On - Water below temperature ● set point. Red, water heater control “Reset ● Status” LED-OFF Call For Heat” LED off. ●... -
Page 39: Test 5 - Calling For Heat - No Inducer Operation
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 5 - CALLING FOR HEAT – NO INDUCER OPERATION Conditions: Power on ● Plugs in Receptacles ● Red “ Call for Heat” LED-ON ● Inducer “Off” ● Note flash code on ignition control board diagnostic LED …... -
Page 40: Test 6 - Inducer On
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 6 - INDUCER ON...NO IGNITION Conditions: Power on ● Plugs in receptacles ● Inducer operating ● No power to Hot Surface IGNITOR ● (HSI) Note LED flash code TEST 6 …... -
Page 41: Test 7 - Inducer On, Prover Switch And Low Gas Pressure Switch Closed
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 7 – INDUCER ON, PROVER SWITCH AND LOW GAS PRESSURE SWITCH CLOSED ...NO IGNITOR OPERATION Conditions: Power on ● Plugs in receptacles ● Inducer on ● 24V at ignition board E1, Pin ●... -
Page 42: Test 8 - Igniter Heats
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 8 – IGNITOR HEATS ... NO MAIN BURNER E1 PLUG TO PIN 9 TEST 8 . f I ..hort heat up time of IGNITOR Normal (Approximate 20 seconds) warm up - no ignition No voltage present E4, Pin 12 to ground 24 Volt was present from E1, Pin 12 to ground, but no... -
Page 43: Test 9 - Igniter Heats
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 9 – IGNITOR HEATS ...NO MAIN BURNER Conditions: Test 8 completed then: ● Turn off power ● Disconnect wires from gas valve ● TEST 9 … Meter reads 0 or 1 Meter indicates pilot and main coil have continuity Ashland City, Tennessee... -
Page 44: Test 10 - Main Burner Ignition For Less Than 5 Seconds
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 10 - MAIN BURNER IGNITION FOR LESS THAN 5 SECONDS Conditions: Power On – plug connected ● Main Burner ignites for approximately 5 ● seconds then goes out. Tests 8 and 9 completed ●... -
Page 45: Test 11 - Water Heater Shutting Off Below Setting
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK TEST 11 - WATER HEATER SHUTTING OFF BELOW SETTING Conditions: Main burner ignited ● Stored water is below temperature setting more than 5° F (Tank ● Average). Power off ●... -
Page 46: Display Lights On Integrated Water Heater Control
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK DISPLAY LIGHTS ON INTEGRATED WATER HEATER CONTROL Ashland City, Tennessee ©... -
Page 47: Parts Sbn71-120 Thru 85-390 Series 100
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 100 Ashland City, Tennessee ©... -
Page 48: Parts Sbn71-120 Thru 85-390 Series 100
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 100 Ashland City, Tennessee ©... -
Page 49: Parts Sbn71-120 Thru 85-390 Series 100
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 100 Ashland City, Tennessee ©... -
Page 50: Parts Sbn71-120 Thru 85-390 Series 108
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 108 Ashland City, Tennessee ©... -
Page 51: Parts Sbn71-120 Thru 85-390 Series 108
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 108 Ashland City, Tennessee ©... -
Page 52: Parts Sbn71-120 Thru 85-390 Series 108
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBN71-120 thru 85-390 series 108 Ashland City, Tennessee ©... -
Page 53: Parts Sbd30-150/199Ne
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBD30-150/199NE Ashland City, Tennessee ©... -
Page 54: Parts Sbd30-150/199Ne
SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK PARTS SBD30-150/199NE Ashland City, Tennessee ©... - Page 55 Prepared by the State Water Heaters Training Department. For additional technical information call 800-365-0577. State Water Heaters 500 Tennessee Waltz Parkway Ashland City, TN 37015 800-365-8170 COMMERCIAL www.statewaterheaters.com ©Copyright 2007 State Industries, Inc.
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