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Energy Saver

COMMERCIAL 24 VOLT FLUE DAMPER

SERIES WATER HEATER

ATMOSPHERIC GAS WATER HEATERS

SERVICE

MANUAL

Troubleshooting Guide and

Instructions for Service

(To be performed ONLY by

qualified service providers)

Models Covered

by This Manual:

For the Bock Water Heaters

“W” Series Models:

38W-155

75W-(125, 160, 300)

66W-(370, 399)

80W-(180, 199, 250)

80W-(425, 450, 505)

100W-(199, 250, 270, 300)

Manual 47324A 

Save this manual for future reference.

Содержание 100W-199

Страница 1: ...bleshooting Guide and Instructions for Service To be performed ONLY by qualified service providers Models Covered by This Manual For the Bock Water Heaters W Series Models 38W 155 75W 125 160 300 66W...

Страница 2: ...f Operation 4 Troubleshooting 5 Thermostat Circuit Testing 6 24 I Pilot Operation Testing 8 24 II Main Burner Operation Testing 10 24 III Main Burner and Pilot Removal and Inspection 12 24 IV Flue Baf...

Страница 3: ...be type or a digital magna helic type This device is used to measure gas and or air pressures and vacuum Multi Meter A digital type is strongly recommended This device is used to measure electrical va...

Страница 4: ...ving signal measured in micro amps from the sense terminal to prove pilot flame 5 Once pilot flame is proven spark will stop 6 Once spark stops 24 volts is sent from MV terminal on module to MV termin...

Страница 5: ...ting page 6 Is there 24 VAC between terminals TR TH of the ignition module see photo 1A See pilot will not light page 8 See pilot lights no flame signal page 9 See main burner short cycle page 11 Chec...

Страница 6: ...o water heater and locate thermostat board inside control box of water heater Disconnect YELLOW wires from the thermostat board at location N O COM Use a jumper to connect these two wires together see...

Страница 7: ...209 2166 2124 2083 150 2043 2004 1966 1928 1891 1856 1820 1786 1753 1720 160 1688 1656 1625 1595 1566 1537 1509 1481 1454 1427 170 1402 1376 1351 1327 1303 1280 1257 1235 1213 1191 180 1170 1150 1129...

Страница 8: ...oss wire leads MV PV and PV at gas valve see photo 12 Check continuity across ECO RED leads of lower thermister see photo 13 Is continuity okay Check wire harness for damage or loose connections Repai...

Страница 9: ...le causes undersized heater or high demand periods Disconnect white flame sense lead from ignition module at the SENSE location Set multi meter to the Micro Amps setting A see note Check micro amp rea...

Страница 10: ...ross MV terminal of ignition module and ground see photo 14 Be sure module LED is ON pilot is lit and module is not sparking Recheck voltage across MV Terminal of ignition module and ground Is voltage...

Страница 11: ...fication see photo 16 Check venting conditions i e clogged vent down drafts or negative building pressure Is vent system okay Is sufficient combustion air being supplied to the water heater Check for...

Страница 12: ...two burner rack mounting screws Step 8 Slide complete burner rack out from heater see photo 19 Step 9 To install burner reverse above procedure Main Burner Inspection Step 1 Burner tubes should be fre...

Страница 13: ...Step 1 Inspect pilot for the following a Broken or cracked ceramic insulators If found pilot must be replaced b Damaged electrode or flame sense wire If found pilot must be replaced c Oxidation build...

Страница 14: ...tion from top of water heater to expose collector cover Step 7 Remove screw from side or top of collector cover and remove collector cover from water heater Step 8 Remove flue baffles from water heate...

Страница 15: ...rom top of water heater Step 8 Remove screws holding jacket head to top of water heater and remove jacket head from top of water heater Step 9 Remove insulation from top of water heater to expose coll...

Страница 16: ...12 1 x Reducer Bushing 13 Nipple T P Valve 14 T P Valve 15 Cleanout O Ring 15A Cleanout Gasket ASME 16 Cleanout Access Cover 16A Cleanout Access Cover ASME 17 Cleanout Cover Screw 17A Cleanout Cover S...

Страница 17: ...9A Pilot Orifice 10A Pilot Tubing 11A Pilot Mounting Screw 12A Burner Tube Support 13A Manifold Bracket 14A C Cane Manifold 15A Manifold Straight 16A Manifold Bracket 17A 90 Street Elbow Black 18A 1 D...

Страница 18: ...sket 3C Potentiometer Temperature Control 4C 7 8 Snap Bushing 5C Temperature Scale Plate 6C Control Box Panel 7C Terminal Strip 8C Ground Terminal 9C Power Cord Train Relief Bushing 10C Power Cord 11C...

Страница 19: ...Direct Current ECO Energy Cut Off GFI Ground Fault Interrupt GPM Gallons per Minute Hz Hertz LED Light Emitting Diode NOx Oxides of Nitrogen NPT National Pipe Thread PSI Pounds per Square Inch VA Volt...

Страница 20: ...ler or local Bock Water Heaters sales representative Sales 608 227 3311 Fax 608 327 3311 Application Sizing 608 227 3311 Fax 608 327 3311 Technical Support 888 784 8322 Fax 610 683 9208 Warranty 608 2...

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