Page 2 - FOREWORD; TABLE OF CONTENTS; IDENTIFICATION
2 FOREWORD This manual is intended to be used in conjunction with otherliterature provided with the heater. This includes power burnerand related gas control information. It is important that this manualand the additional publications be reviewed in their entirety beforebeginning any work. The insta...
Page 4 - INSTALLATION INSTRUCTIONS; REQUIRED ABILITY; FEATURES; WATER TEMPERATURE CONTROL
4 The water temperature is controlled by two thermostats. Onethermostat is located near the top of the tank and the other is inthe lower part of the tank. The upper thermostat must be set atleast 5°F higher than the lower thermostat. In the case where thewater heater has electronic thermostats, this...
Page 5 - LOCATING THE HEATER; LEVELING; AIR REQUIREMENTS
5 The latest version of the National Electrical Code, NFPA No.70. In Canada refer to Canadian Electrical Code C 22.1, fromNational Fire Protection Association, 1 Batterymarch Park,Quincy, MA 02269-9101. LOCATING THE HEATER When installing the heater, consideration must be given to properlocation. Lo...
Page 6 - VENTING; VENT CONNECTOR; BAROMETRIC DRAFT CONTROL ASSEMBLY
6 UNDESIRABLE OPENINGS, CAUSING POOR COMBUSTION.SOOTING MAY RESULT WITH AN INCREASED RISK OFASPHYXIATION. THERMAL EXPANSION (CLOSED SYSTEM) Thermal expansion occurs in any hot water system when systemwater is heated or “recovered” during periods of non-use. If the system is operated in an “open” con...
Page 7 - GAS PIPING
7 Where an existing chimney or vent is to be used, be sure that thechimney or vent has adequate capacity for the number and sizesof gas appliances being vented through it. Inspect the chimneyor vent and remove all soot or other obstructions, which will retardfree draft. Vent piping making horizontal...
Page 8 - PURGING; CAUTION; GAS METER SIZE – CITY GASES ONLY; WIRING
8 TABLE 3 EQUIVALENT LENGTH OF FITTINGS IN FEET Pipe Size (IPS) 1 1.25 1.5 2 2.5 3 4 Std. Tee through side 5.5 7.5 9.0 12.0 14.0 17.0 22.0 Std. E11 2.7 3.7 4.3 5.5 6.5 8.0 12.0 45°F E11 1.2 1.6 2.0 2.5 3.0 3.7 5.0 Plug Cock 3.0 4.0 5.5 7.5 9.0 12.0 16.0 WARNING THE HEATER IS NOT INTENDED FOR OPERATI...
Page 11 - OPERATION; IMPORTANT; GENERAL; FILLING
11 TWO UNIT MANIFOLD INSTALLATION Assure water flow balance of all units. Without this balance, thefull water heating and storage potential of the system cannot beachieved. Otherwise, the units with the higher water flow mayhave a shortened life. Dimensions shown are for minimum space occupied by co...
Page 12 - MAINTENANCE
12 Suggested safety device test procedures are: A. While heater is operating, turn valve, main burner and pilot gas line manual gas cocks to the OFF position. Burner shouldshutdown within 3-4 seconds and lockout on flame failure,requiring reset of the flame safeguard device. B. While heater is opera...
Page 13 - RELIEF VALVE
13 The depth of lime build-up should be measured periodically.Heaters will have about 3” of lime build-up when the level of limehas reached the bottom of the cleanout opening or about 1” oflime build-up if it has reached the drain valve opening. A schedulefor deliming should be set-up; based on the ...
Page 14 - VENT SYSTEMS; TROUBLESHOOTING
14 6. Using a wire brush, remove soot from flue passages in heater tank. CAUTION While cleaning tank flue passages, care must be taken that brushdoes not come in contact with the combustion chamber lining asdamage could occur. • If burner flue collector flange gaskets are damaged, replace. VENT SYST...
Page 15 - REPLACEMENT PARTS
15 Excessive water pressure is the most common cause of reliefvalve leakage. It is often caused by a “closed system”. If acheck valve is in the inlet system it will not permit the expandedhot water volume to equalize pressure with the main. Therelief valve must release this water or the water heater...
Page 16 - CERTIFIED FACTORY START - UP REQUIRED
16 Model TPG/TPX/TPO/TPD Limited Warranty CERTIFIED FACTORY START - UP REQUIRED To activate your warranty, contact your local sales representative or Authorized Start-up Agent to arrange for a FREE Certified Start-up. State Water Heaters, the warrantor, extends the following LIMITED WARRANTY to the ...