State Water Heaters STC-074 - Manual

State Water Heaters STC-074

State Water Heaters STC-074 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – SBN TANK TYPE COMMERCIAL GAS WATER HEATER; TABLE OF CONTENTS
  • Page 3 – SBN TANK TYPE COMMERCIAL GAS WATER HEATER; quick reference data to assist in servicing the product line; SBN Service Handbook Introduction
  • Page 4 – Qualifications; voltage; Custom Commercial Storage Tank Model Number Break Down
  • Page 5 – INSTALLATION CONSIDERATIONS; Clearances; Top and Front Views of Minimum Clearances To Combustibles
  • Page 6 – Exterior Clearance
  • Page 7 – Air Supply; BTU; AIR; Insufficient make-up air is a major cause of combustion problems.
  • Page 8 – Make-Up Air – Direct Communication
  • Page 10 – Along with adequate make-up air, the quality of the air is impor tant.; Contaminated Ai
  • Page 11 – Gas Valve; Inlet View
  • Page 12 – Outlet View
  • Page 13 – Venting; Venting – Atmospheric Multiple Heaters
  • Page 14 – The vent pipe should ALWAYS; NINE RULES FOR; The diameter of a vent pipe
  • Page 15 – In some cases it may be
  • Page 17 – TYPE B GAS VENT
  • Page 19 – SB; Sequence
  • Page 22 – HSI INTEGRATED IGNITION CONTROL BOARD
  • Page 23 – LOWER FRONT VIEW OF SBN WATER HEATER; P a rt N u m b e r; H S I
  • Page 24 – WIRING DIAGRAM; Propane (series) models do not have a low gas presure switch.; Upper
  • Page 26 – PRE-SERVICE CHECKLIST
  • Page 27 – CONTROL BOARD DIAGNOSTIC LED INTERPRETATION AND; No Green display “Power” LED on.; 20 Vac C heck To Water H eater On Switch
  • Page 28 – TEST 2 - POLARITY CHECK; FLASH CODES OF DIAGNOSTIC INDICATOR
  • Page 29 – TEST 3 - CONTINUITY CHECK; Power On – No Hot Water
  • Page 30 – TEST 4 - UPPER TEMPERATURE PROBE CONTINUITY CHECK; “Call For Heat” LED off.; I f...; i s i n d i cated; c ont inuit y; i s n o t p resen t; wat er is les s t han 120° F; Ohms
  • Page 31 – TEST 5 - CALLING FOR HEAT – NO; Test on Ignition Board 4 Pin Receptacle E4; Water Heater
  • Page 32 – Power on; 4 VA C C heck of B lower Prover/Low Gas Pressure Circuit
  • Page 33 – TEST 7 - INDUCER ON – PROVER SWITCH AND LOW GAS SWITCH; Continuity check - Power off- Plug removed from E4 receptacles
  • Page 34 – TEST 8 - IGNITER HEATS – NO MAIN BURNER; Plugs in receptacle; Test of Igniter and gas valve circuit; If...
  • Page 35 – TEST 9 - IGNITER HEATS – NO MAIN BURNER; Test 8 completed then:; Continuity Check Of Gas Valve Coil
  • Page 36 – TEST 10 - MAIN BURNER IGNITION FOR LESS THAN 5 SECONDS; Power On – plug connected; Flame Prover Circuit Check; Main Burner
  • Page 37 – TEST 11 - WATER HEATER SHUTTING OFF BELOW SETTING; Main burner ignited; Water Temperature Circuit Check - Continuity; Black
  • Page 38 – DISPLAY LIGHTS ON INTEGRATED HEATER CONTROL
  • Page 39 – LED INDICATORS ON HOT SURFACE IGNITION (HSI); LED STATUS
  • Page 40 – Flashes
  • Page 44 – GENERAL QUESTIONS AND ANSWERS; Q: What is the effect of the draft inducer?
  • Page 45 – Q: Does the inducer motor require oiling?
  • Page 46 – XFMER Secondary 24 V; Electrical Information; S BN M o d el s; D ra ft P ro v in g (P re s s u re ) S witc h T a b le
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For propane inputs and other more detailed information,
visit www.statewaterheaters.com to view or download Specification Sheets.

Part No. STC-074
$20.00 Printed in the U.S.A. 0204

SBN 71120 through 85390 (A)
SERIES 100 Models

SBN Meets Low NOx Requirements of SCAQMD
Rules 1121 & 1146.2

Service

Handbook

For Self-Cleaning

Induced Draft

Multi Flue Commercial

Gas Water Heaters

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Summary

Page 2 - SBN TANK TYPE COMMERCIAL GAS WATER HEATER; TABLE OF CONTENTS

1 Technical Training Department ©2003 Ashland City, Tennessee SBN TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK SBN Service Handbook Introduction ................................................ 2-3 Installation Considerations ...................................................................

Page 3 - SBN TANK TYPE COMMERCIAL GAS WATER HEATER; quick reference data to assist in servicing the product line; SBN Service Handbook Introduction

2 Technical Training Department Ashland City, Tennessee SBN TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK ©2003 TABLE OF CONTENTS Troubleshooting - Conditions ............................................................. 34 LED Troubleshooting ..................................................

Page 4 - Qualifications; voltage; Custom Commercial Storage Tank Model Number Break Down

3 Technical Training Department ©2003 Ashland City, Tennessee SBN TANK TYPE COMMERCIAL GAS WATER HEATER SERVICE HANDBOOK Qualifications Installation or service of this water heater requires ability equivalent to that of alicensed tradesman in the field involved. Plumbing, air supply, venting, gas su...

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