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Страница 1: ...OPERATING AND MAINTENANCE MANUAL FOR COMMERCIAL ELECTRIC WATER HEATER ELECTRIC HEATER COMPANY BASE MODEL SE...
Страница 2: ...king the element in an oven at 350 F 700 F for several hours or until the proper megohm reading is obtained 5 KEEP AWAY FROM LIVE ELECTRICAL CIRCUITS Do not perform any maintenance make any adjustment...
Страница 3: ...CTION TITLE PAGE I GENERAL DESCRIPTION AND CONSTRUCTION 5 II INSTALLATION 10 III SCHEDULED MAINTENANCE AND OPERATION 12 IV TROUBLESHOOTING 14 V SERVICING AND REPLACEMENT OF PARTS 16 VI MISCELLANEOUS C...
Страница 4: ...4...
Страница 5: ...loy ASTM B 96 or type 316L stainless steel for maximum tank longevity For these options no internal lining is required due to the non ferrous materials used in the construction of the pressure vessel...
Страница 6: ...er Surface Mounted Thermostat Immersion Thermostat TEMPERATURE HIGH LIMIT SWITCH As a safety device either a surface mounted high temperature cut off switch with manual reset factory set at 190 F or a...
Страница 7: ...the elements OUTER SHELL AND INSULATION The tank is encapsulated in 2 inch thick polyurethane foam insulation The insulation is protected by a high impact non corroding colorized composite protective...
Страница 8: ...n temperature 70 250 F and pressure 0 200 psi gauge with 2 inch dial may be supplied for in line installation shipped loose or factory installed in the tank Vacuum Relief Valve A vacuum relief valve m...
Страница 9: ...voltages less than 600 volt Type JJS Type NON Built in Circuit Breaker A built in circuit breaker may be provided with or without shunt trip protection for protection from circuit overload Horizontal...
Страница 10: ...WATER HEATER PLACEMENT 1 Place the heater on a solid foundation in a clean dry location nearest to the point of most frequent hot water use If the heater is to be raised off the floor the entire botto...
Страница 11: ...system to completely fill as indicated by a steady flow of water from the open faucet ELECTRICAL INSTALLATION 1 Enter electric enclosure with properly sized feeder leads Be sure to properly ground th...
Страница 12: ...off draw water from heater c Compare water temperature of drawn water to the temperature setting of the thermostat when it satisfies Normal variation between the two points is approximately 5 F d If...
Страница 13: ...lve on hot water outlet piping c Open valve on drain piping d Cold water inlet line pressure will be strong enough to flush sediment from the bottom of the tank out through the drain Let water run for...
Страница 14: ...robe around each wire to the element The ampere reading should agree with the nameplate AMP figure Low line voltage Have source electrical system checked by an electrician Faulty thermostat Move therm...
Страница 15: ...r temperature below settings at all times Heater improperly sized Verify heater is properly sized for the flow rate and temperature rise of your system See formulas included in Section VI Replace elem...
Страница 16: ...osition SURFACE TEMPERATURE HIGH LIMIT CUT OFF 1 Disconnect power from unit 2 Remove access cover 3 Disconnect the four 4 14 gauge wires Control Wires 4 Remove the two 2 mounting screws 5 Replace cont...
Страница 17: ...Screw Reset Switch 4 Disconnect the two 2 14 gauge wires Wires Capillary Tube 5 Remove capillary tube and bulb from thermowell 6 Remove two 2 mounting screws Mounting Screws 7 Remove control and insta...
Страница 18: ...ter line 5 Drain water from tank 6 Disconnect the wires from the heating element terminals 7 Remove the 3 8 16 nuts Tank Flange Element Terminals Nuts 8 Withdraw element assembly and remove gasket Gas...
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Страница 20: ...STAT 1 Disconnect power from unit 2 Remove access cover and locate thermostat 3 Disconnect the two 2 14 gauge wires Control Wires 4 Remove two 2 mounting screws Mounting Screws 5 Replace thermostat us...
Страница 21: ...ver screw and cover Cover Cover Screw 4 Disconnect the two 2 14 gauge wires Wires Capillary Tube 5 Remove capillary tube and bulb from thermowell 6 Remove two 2 mounting screws Mounting Screws 7 Repla...
Страница 22: ...line and load wires to contactor 3 Disconnect two 2 14 gauge control circuit wires Control Wires Line Wires Load Wires 4 Loosen two 2 holding screws and remove contactor Mounting Screws Bottom screw...
Страница 23: ...alve to relieve pressure in tank 4 Disconnect overflow piping 5 Unscrew relief valve remove assembly and replace with new one 6 Connect overflow piping 7 Turn on incoming water supply and check for le...
Страница 24: ...A 3 WYE 2 38683N 13 57 6 19 2 57 6 38 6 3 38683N 13 43 2 14 4 43 2 28 9 4 38683N 13 34 4 11 5 34 4 23 0 5 38683N 13 27 9 9 3 27 9 18 7 6 38683N 13 21 6 7 2 21 6 14 5 7 38683N 13 17 1 5 7 17 1 11 5 8 3...
Страница 25: ...61 5 68 8 45 6 78 8 85 3 1 4 28 94 0 77 0 87 0 57 0 99 0 106 0 5 16 18 132 107 123 80 138 149 5 16 24 142 116 131 86 147 160 3 8 16 236 192 219 143 247 266 3 8 24 259 212 240 157 271 294 7 16 14 376...
