State Industries STC-074 specifications Draft Proving Pressure Switch Table

SBN TANK TYPE COMMERCIAL GAS WATER HEATER

SERVICE HANDBOOK

Electrical Information

Part Name	Number	Voltage	Amperes
Integrated Water	194393-0	XFMER Secondary 24 V	1.5
Heater Control		Field Output 24 V	11.5
(Temperature Control
Board)
Inducer (Blower)	194408-0	120 VAC	1.7
ECO (Part of Upper		24 V - Opens at 203° ±
Temperature Sensor)	194396	5.4°F Closes ± 193° F	0.3
Main Gas Valve		24 VAC	1.5
Inducer (Blower)	194408	120 VAC	2.2 FLA
			3.5 LRA
Igniter	194405	120 VAC	2
OPT Power Venter		120 VAC	14.5 FLA
			26.0 LRA

Draft Proving (Pressure) Switch Table

		Pressure Setting To
		Close Switch (Inches
SBN Models	Part No.	W.C.)
366	194411-0	(-) 1.60 ± .10"
275	194411-1	(-) 2.00" ± .10"
310	194411-2	(-) 1.75" ± .10"
120, 200, 250, 390	194411-3	(-) 2.40" ± .10"
154, 180, 199	194411-4	(-) 2.60" ± .10"
-	194411-5	(-) 2.50" ± .10"

Technical Training Department 45 ©2003

Ashland City, Tennessee