State Industries STC-074 specifications Display Lights on Integrated Heater Control

Page 38

SBN TANK TYPE COMMERCIAL GAS WATER HEATER

SERVICE HANDBOOK

DISPLAY LIGHTS ON INTEGRATED HEATER CONTROL

		Red
		Green
		Red Red

	LED Status	Indication	Action to be Taken

		Calling for heat	Normal status –
			none

The ECO (Energy Cut	•Check for
Off) has opened.	excessively hot
	water (203° F or
	higher).
	•Correct the
	problem

No power	Check the breaker.

Tank is at a set temperature of ± 2° F.

Tank has cooled	•Push the manual
below 120° F	reset button.
Preceded by “ECO	•Troubleshoot for
Open” indication	“why” the ECO
	opened

Technical Training Department

37

©2003

Ashland City, Tennessee

Image 38

Contents Service Handbook Table of Contents SBN Service Handbook Introduction Qualifications Custom Commercial Storage Tank Model Number Break DownInstallation Considerations Top and Front Views of Minimum Clearances To CombustiblesExterior Clearance Required Exterior ClearancesComb AIR Make-Up Air Direct Communication Not Direct Vent Make-Up Air Vertical Ducts Make-Up Air Horizontal DuctsContaminated Air Air for Combustion Flammable ItemsGas Valve Outlet View Venting Venting Atmospheric Multiple HeatersNine Rules for Good Vents SBN Tank Type Commercial GAS Water Heater Service Handbook SBN Tank Type Commercial GAS Water Heater Service Handbook Type B GAS Vent Multiple Gas Fired Tank-Type HeatersTechnical Dataventing Sequence Top ViewFront View of Water Heater SBN Tank Type Commercial GAS Water Heater Service Handbook HSI Integrated Ignition Control Board Lower Front View of SBN Water Heater HSIWiring Diagram ECOElectrical Sequence of SBN Water Heater Operation PRE-SERVICE Checklist Conditions Water Heater Control Ignition Control BoardFlash Codes of Diagnostic Indicator Test 2 Polarity CheckTest 2 Polarity Check Test 3 Continuity Check High Limit ECOIs indicated Test 4 Upper Temperature Probe Continuity CheckTest 3 Continuity Check of High Limit ECO Is not presentCheck to Inducer Test on Ignition Board 4 Pin Receptacle E4 Test 5 Calling for Heat no Inducer OperationWater Heater Control Test 6 Inducer ON-NO Ignition VAC Check of Blower Prover/Low Gas Pressure CircuitVoltage is not present between E4, Pin Test 8 Igniter Heats no Main Burner Test of Igniter and gas valve circuitTest 9 Igniter Heats no Main Burner Continuity Check Of Gas Valve CoilTest 10 Main Burner Ignition for Less than 5 Seconds Flame Prover Circuit CheckTest 11 Water Heater Shutting OFF below Setting If… ThenDisplay Lights on Integrated Heater Control ECO SBN Tank Type Commercial GAS Water Heater Service Handbook Technical Training Department 120 154 180 199 200A 250A 275A 310A 366A 400A General Questions and Answers SBN Tank Type Commercial GAS Water Heater Service Handbook Draft Proving Pressure Switch Table