State Industries SBD30 150, SBN71 120 TOP and Front Views of Minimum Clearances to Combustibles

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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.

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 clearances applicable to your specific model.

TOP AND FRONT VIEWS OF MINIMUM CLEARANCES TO COMBUSTIBLES

State Water Heaters	4	Technical Training Department
Ashland City, Tennessee © 2007

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Contents

SandBlaster Table of Contents No Igniter Operation Commercial Tank Type GAS Model Number Break Down GAS Water Heater Service Handbook QualificationsTools Required TOP and Front Views of Minimum Clearances to Combustibles Model Number Right Side Left Side Back D Ceiling SBN71-120 thru 85-390, SBD30-150/199 Tank Type Commercial Insufficient Makeup AIR Negative AIR Pressure Square Inch PER AIR for Combustion Flammable Items GAS Water Heater Service Handbook Contaminated AIRInlet View TOP View GAS Water Heater Service Handbook GAS ValveOutlet View Venting Multiple Category I GAS Water Heaters GAS Water Heater Service Handbook VentingMultiple Gas Fired Tank-Type Heaters Model SBN80-180 SBN100-199 SBN100-200 SBD30-199 Model SBN100-250 Model SBN Model SBN 85-366NE, SBN 85-390NE Sequence Vent Size Area Square Inches 113 154 201 254 GAS Water Heater Service Handbook Rules for Good Venting GAS Water Heater Service Handbook Rules for Good Venting Horizontal Elements Limited to 75% of Total Vertical Height Models SBN SBDSBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial HSI GAS Water Heater Service Handbook Wiring Diagram SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial GAS Water Heater Service Handbook PRE-SERVICE Check List Then TestConditions GAS Water Heater Service Handbook Test 2 Polarity Check Ohms Ohms Resistance Table Water Heater Control Thermostat 120 VAC Check of Blower Prover/Low Gas Pressure Circuit No Ignitor Operation Test Ignitor Heats No Main Burner No Main BurnerMeter reads 0 or Main Burner Ignition for Less than 5 Seconds Water Temperature Circuit Check Continuity SBN71-120 thru SBN85-390, SBD30-150/199 Tank Type Commercial Parts SBN71-120 thru 85-390 series GAS Water Heater Service Handbook GAS Water Heater Service Handbook GAS Water Heater Service Handbook GAS Water Heater Service Handbook GAS Water Heater Service Handbook Parts SBD30-150/199NE GAS Water Heater Service Handbook Commercial