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Lighting Instructions for the G(B/W) 650 and 750 models
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Page 1: ...TER SUPPLY USER S INFORMATION MANUAL A DIVISION OF A O SMITH CORPORATION EL PASO TX MC BEE SC RENTON WA STRATFORD ONTARIO VELDHOVEN THE NETHERLANDS www hotwater com GB GW 200 300 400 500 650 750 SERIE...
Page 2: ...oiler is installed in a carpeted alcove the entire floor must be covered with concrete blocks or use the A O Smith Combustible Floor Kit Base FLAMMABLE ITEMS PRESSURIZED CONTAINERS OR ANY OTHERPOTENTI...
Page 3: ...3 Lighting Instructions for the G B W 650 and 750 models...
Page 4: ...thin 4 seconds the gas valve is immediately closed and the ignition control board will return to step 2 unless jumper J30 is in place ON see figure 2 8 If a flame is confirmed the control will enter t...
Page 5: ...40 F and once again increase decrease in value for as long as the ADJUST push button is pressed Switching Differential Adjustment Procedure To facilitate proper operation and maximize appliance perfor...
Page 6: ...will now illustrate the current number of cycles the appliance has cycled through 5 The display will automatically resort to illustrating the outlet tem perature TANK PROBE INSTALLATION PROCEDURE A ta...
Page 7: ...tion according to the particular appliance operating state In cases where prob lems or a lockout occurs the appropriate LED s will illuminate indi cating the general area where the problem exists A de...
Page 8: ...rosion and leakage Inspect the vent terminations for corrosion and foreign matter which may be blocking the exhausting flue products Call a qualified service agent to replace or repair any corroded or...
Page 9: ...9 FIGURE 3 POINT TO POINT WIRING DIAGRAM...
Page 10: ...ng any warranty of merchantability imposed on the sale of this boiler under state law are limited to one 1 year duration for the boiler or any of its parts Some states or provinces do not allow limita...