State SBL85 390NE A User Manual
Service handbook commercial gas water heaters
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PRINTED IN THE U.S.A. 0413
324659-001
SERVICING SHOULD ONLY BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN
Service Handbook
COMMERCIAL GAS WATER HEATERS
FOR MODELS:
SBL95 199NE, SBL85 275NE(A),
SBL85 390NE(A)
ULTRA LOW NOx SERIES 100
INSTALLATION CONSIDERATIONS - PRE SERVICE CHECKS -
CONSTRUCTION - OPERATION & SERVICE - TROUBLESHOOTING
500 Tennessee Waltz Parkway
Ashland City, TN 37015
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This manual is related to the following products:
Table of contents
Document Outline
- Introduction
- Qualifications
- Tools Required
- INSTALLATION CONSIDERATIONS
- Gas AND ELECTRICAL CHARACTERISTICS
- GAS PRESSURE – REQUIREMENTS
- FEATURES AND COMPONENTS – ALL MODELS
- BLOWER AND BURNER ASSEMBLY
- Spark Igniter, Flame Sensor, Sight Glass
- Venting
- VENTING TABLES – TECHNICAL VENTING DATA
- OPERATION AND SERVICE
- DIAGNOSTIC SEQUENCE OF OPERATION – FLOW CHART
- SEQUENCE OF OPERATION – FLOW CHART
- LIGHTING AND OPERATING LABEL
- TROUBLESHOOTING
- CONTROLS Overview - CONTROL BOX ASSEMBLY
- Pressure Switches – All Models
- HIGH LIMIT SWITCH/ DIGITAL THERMOSTAT
- CONTINUITY CHECK OF HIGH LIMIT (ECO)
- UPPER TEMPERATURE PROBE CONTINUITY CHECK
- LOWER TEMPERATURE PROBE CONTINUITY CHECK
- IGNITION CONTROL
- START UP/ FLAME RECOVERY/ SAFETY LOCKOUT
- Variable Frequency Drive – ALL MODELS
- CHARACTERISTICS AND FUNCTIONS OF THE CONTROL TERMINALS
- VFD – Blower Speed and FREQUENCY Readings
- WIRING DIAGRAM – ALL MODELS