Page 2 - FEATURES AND SPECIFICATIONS; TABLE 2 RECOVERY CAPACITIES, based on 80% efficiency
2 TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATIONRELATIVE TO YOUR SAFETY. PLEASE READ THOROUGHLY BEFOREUSING APPLIANCE. This is a typical oil-fired heater for commercial water heating applications. The principal components of the heater are shown and identified here.The identification plate ill...
Page 3 - TABLE OF CONTENTS; OIL BURNER NAMEPLATE DECAL; IDENTIFICATION
3 FEATURES AND SPECIFICATIONS ................................................... 2APPROVALS ....................................................................................... 3IDENTIFICATION Oil and Burner Nameplate Decal ............................................... 3Oil Burner Specificatio...
Page 4 - SAFETY; INSTALLATION
4 OIL BURNER SPECIFICATIONS The oil burner nameplate decal includes a series code which identifiesthe major features of the oil burner. The series number is the last threedigits of the burner code number. Table 3 below describes the oil burner characteristics for each seriesnumber. The burners are t...
Page 7 - WATER PIPING; CLOSED WATER SYSTEM
7 MULTIPLE HEATER FLUES When two or more oil-fired water heaters are connected to a single chimneyor vent there shall be sufficient draft available for safe combustion andremoval of combustion products to the outdoors from each heater. Referto local codes for connection details. Only one oil-fired w...
Page 8 - BURNER INSTALLATION
8 A TYPICAL HEATER INSTALLATION - FIGURE 9 Refer to pages 2, 3, and 4 in this manual for more information aboutburner series numbers and characteristics for adaptability to the followingsystems. SYSTEM TYPES Single Stage, Supply Line Only: The bottom of the oil storage tank mustbe above the level of...
Page 9 - FUEL PUMP
9 BURNER The burner assembly is mounted on the flange of the combustion chamber, fig. 13. NOTE: Be certain combustion chamber opening is aligned with opening in heater flange, fig. 13, before placing burner into heater . 1. Place the flange gasket and combustion chamber seal over the burner tube. 2....
Page 10 - OPERATION
10 OPERATION GENERAL Never operate the heater unless the tank is filled with water and atemperature and pressure relief valve is installed. FILLING 1. Oil burner electrical disconnect switch should be in the "OFF position 2. Close the heater drain valve. 3. Open a nearby hot water faucet to allo...
Page 11 - DRAINING; MAINTENANCE; RELIEF VALVES; FLUSHING
11 DUAL-BULB THERMOSTAT (COVER REMOVED) FIGURE 17 BURNER CERTIFICATE (COMBUSTION TEST) The Commercial Standard CS75 Oil Burner Certificate form must be filledin and posted in the vicinity of the water heater. Instructions for filling in certificate are on the back of the certificate. Thismust be don...
Page 13 - CIRCULATING PUMP; VENT SYSTEM
13 • Observe interior through opening - a small flashlight may be usedeffectively. • If the interior still shows water scale, the deliming process shouldbe continued. • To check UN•LIME® for continued use or reuse, place some limescale or white chalk into a glass with a small amount of the solution....
Page 14 - ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK FORCED; INSTALLATION DIAGRAMS
14 ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION SCALD PREVENTION H O T WAT E R C A N S C A L D I F U S E DCARELESSLY OR IN UNANTICIPATEDMANNER. CAUTION IF BUILDING COLD WATER SUPPLY HASA B A C K F L O W P R E V E N T E R , C H E C KVALV...
Page 18 - NOTES
18 TWO TEMPERATURE-ONE HEATER HIGH TEMPERATURE STORAGE WITH RECIRCULATION OF SANITIZING LOOP NOTE 1: TOGGLE SWITCH CONTROLS 180°F WATER CIRCULATION. INSTALL ON OR CLOSE TO DISHWASHING MACHINE .TOGGLE SWITCH MUST BE CLOSED (ON) DURING THERINSE OPERATION AND OPEN (OFF) WHEN DISHWASHERIS NOT OPERATING....
Page 19 - ELECTRICAL WIRING REPLACEMENT; MANIFOLD KIT COMMERCIAL OIL FIRED WATER HEATERS
19 THREE UNIT MANIFOLD KIT (PART NO. 78693) FOUR UNIT MANIFOLD KIT (PART NO. 78694) CHECK LIST AND SERVICE INFORMATION IMPORTANT The installer may be able to observe and correct certain problems whichmight arise when the unit is put into operation or when it is refired after aprolonged shut-down. HO...
Page 20 - BURNER STARTS BUT FAILS TO RUN
20 8. Burner may not be firing at proper rate. • Check nozzle size. • Check fuel pump pressure setting. • GPO-199 . . . . . . . . . . . 110 psig (758 kPa) • All others . . . . . . . . . . . 100 psig (689.5 lPa) 9. Burner may be short cycling. Short cycling (too frequent off and on) of burner will ca...
Page 21 - FLAME FAILURE AFTER NORMAL IGNITION; COMBUSTION TEST
21 If the problem is not getting a spark to ignite the oil, check for the following: 1. Loose wiring. 2. Red ignition transformer. 3. Low voltage. 4. Crack in electrode porcelain insulators. 5. Electrodes carboned or out of adjustment. 6. Weak or no contact between bus bars and terminals of transfor...
Page 22 - TROUBLESHOOTING; TROUBLE
22 TROUBLESHOOTING TROUBLE CAUSE REMEDY Oil level below intake line in supply tank. Fill tank with oil. Clogged strainer or filter. Remove and clean strainer. Replace filter element. Clogged nozzle. Replace nozzle. Air leak in intake line. Tighten all fittings in intake line. Tighten unused intakepo...
Page 23 - CLEANOUT ASSEMBLY; OIL; STATE WATER HEATERS
23 COMMERCIAL OIL FIRED WATER HEATER MODEL GPO XX - 199, 245, 315, 385, 455 & 700 AND GPO XX - 315A, 385A, 455A & 700A ITEM NO. 13 ITEM NO. 25 REPLACEMENT PARTS LIST CLEANOUT ASSEMBLY OIL STATE WATER HEATERS 500 Lindahl Parkway, Ashland City, TN 37015 Phone: 800-821-2017 • Fax: 800-644-9306 ...