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Fabricar: A.O. Smith Tamaño del archivo: 335.32 kb Nombre del archivo: Idioma del manual:

REFER TO DIAGRAMS ABOVE. TURN TOP KNOB OF GAS INSTRUCTIONS “TO TURN OFF GAS TO THE APPLIANCE” CONTROL CLOCKWISE TO “OFF” POSITION, (FIG. A). AND CALL YOUR SERVICE TECHNICIAN OR GAS 7. WAIT FIVE (5) MINUTES TO CLEAR OUT ANY GAS. THEN SUPPLIER. SMELL FOR GAS, INCLUDING NEAR THE FLOOR. IF YOU SMELL GAS, TO TURN OFF GAS TO APPLIANCE 1. SET THE SYSTEM CONTROLLER TO THE LOWEST 4. REFER TO DIAGRAMS ABOVE. TURN TOP KNOB OF GAS SETTING. CONTROL CLOCKWISE (TO “OFF” POSITION, (FIG. A). 2. TURN POWER SWITCH ON APPLIANCE TO “OFF” 5. REPLACE CONTROLACCESS PANEL. POSITION. 3. REMOVE ACCESS PANEL TO EXPOSE GAS CONTROL. 24 Lighting Instructions for the G(B/W) 1000 through 2500 models FOR YOUR SAFETY READ BEFORE OPERATING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. C. USE ONLYYOUR HAND TO TURN THE MAIN MANUAL GAS A. THIS APPLIANCE DOES NOT HAVE A PILOT. IT IS EQUIPPED VALVE HANDLE. NEVER USE TOOLS. IF THE HANDLE WILL WITH AN IGNITION DEVICE WHICH AUTOMATICALLY NOT TURN BY HAND, DON’T TRY TO REPAIR IT. CALL A LIGHTS THE BURNER. DO NOT TRY TO LIGHT THE BURNER QUALIFIED SERVICE TECHNICIAN. FORCE OR ATTEMPTED BY HAND. REPAIR MAY RESULT IN A FIRE OR EXPLOSION. B. BEFORE LIGHTING: SMELL ALL AROUND THE APPLIANCE AREA FOR GAS. BE SURE TO SMELL NEXT TO THE FLOOR D. DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN BECAUSE SOME GAS IS HEAVIER THAN AIR AND WILL UNDER WATER. IMMEDIATELY CALLA QUALIFIED SERVICE SETTLE ON THE FLOOR. TECHNICIAN TO INSPECT THE APPLIANCE AND TO WHAT TO DO IF YOU SMELL GAS REPLACE ANY PART OF THE CONTROL SYSTEM AND ANY • DO NOT TRY TO LIGHT ANY APPLIANCE. GAS CONTROL WHICH HAS BEEN UNDER WATER. • DO NOT TOUCH ANY ELECTRIC SWITCH. • DO NOT USE ANY PHONE IN YOUR BUILDING. E. DO NOT OPERATE APPLIANCE UNLESS UNIT IS FILLED • IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A WITH WATER AND WATER LINES ARE FULLY OPEN. NEIGHBOR’S PHONE. FOLLOW THE GAS SUPPLIER’S INSTRUCTIONS. • IF YOU CANNOT REACH YOUR GAS SUPPLIER, CALL THE FIRE DEPARTMENT. OPERATING INSTRUCTIONS 1. STOP! READ THE SAFETY INFORMATION ABOVE ON THIS LABEL. STOP! FOLLOW “B” IN THE SAFETY INFORMATION ABOVE ON THIS LABEL. IF YOU DON’T SMELL GAS, GO SET THE SYSTEM CONTROLLER TO THE LOWEST TO THE NEXT STEP. SETTING. 7. TURN MAIN MANUAL GAS VALVE TO “ON” POSITION, 3. TURN POWER SWITCH ON APPLIANCE TO “OFF” (FIGURE “A”), THE VALVE IS “ON” WHEN THE HANDLE IS POSITION. PARALLEL TO THE GAS FLOW DIRECTION. 4. TURN MAIN MANUAL GAS VALVE TO “OFF” POSITION, 8. TURN POWER SWITCH TO “ON” POSITION. (FIGURE “B”). THE VALVE IS “OFF” WHEN THE HANDLE IS 9. SET THE SYSTEM CONTROLLER TO DESIRED SETTING. PERPENDICULAR TO THE GAS FLOW DIRECTION. 10. IF THE APPLIANCE WILL NOT OPERATE, FOLLOW THE 5. THIS APPLIANCE IS EQUIPPED WITH AN IGNITION INSTRUCTIONS “TO TURN OFF GAS TO THE APPLIANCE” DEVICE WHICH AUTOMATICALLY LIGHTS THE BURNER, AND CALL YOUR SERVICE TECHNICIAN OR GAS DO NOT TRY TO LIGHT THE BURNER BY HAND. SUPPLIER. 6. WAIT FIVE (5) MINUTES TO CLEAR OUT ANY GAS. THEN SMELL FOR GAS, INCLUDING NEAR THE FLOOR. IF YOU SMELL GAS, TO TURN OFF GAS TO APPLIANCE 1. SET THE SYSTEM CONTROLLER TO THE LOWEST SETTING. 2. TURN POWER SWITCH ON APPLIANCE TO “OFF” POSITION. 3. TURN MAIN MANUAL GAS VALVE TO “OFF” POSITION, (FIGURE “B”). THE VALVE IS “OFF” WHEN THE HANDLE IS PERPENDICULAR TO THE GAS FLOW DIRECTION. 25 CONTROL SYSTEM DESCRIPTION OF MULTI-STAGE FIRING SYSTEM The Central Control Board (CCB) is responsible for staging the Ignition Control Boards (ICB) and monitoring safety limit devices, control of circulation pump, power vent, alarm output and IRI gas valves (only on IRI models). The thermostat also resides on the CCB with inputs available for inlet, outlet and tank temperature probes as well as an input for a remote 24 VAC thermostat. The CCB has a display interface which connects to the Display Board to show system status and failures. The CCB also has a set of DIP switches which allows the user to control several system parameters. (See Figure 14.) Each stage requires an Ignition Control Board (ICB) which is responsible for controlling a combustion blower, hot surface igniter and gas valve. Each ICB is capable of monitoring gas valve power, gas valve relay, flame sense and igniter current. The ICB is designed to communicate with the Central Control Board (CCB). Each ICB consists of identical hardware and software. Each stage ICB is made unique through the use of circuit board jumpers which allow the user to control such variables as stage identification and blower/igniter usage. (See Figure 15 for jumper configurations.) These jumpers are pre-set at the factory and should only be adjusted by a qualified service technician. The Display Board allows the end user to monitor water temperature, set-points, differentials, options, fault indications and error codes. Display Board pushbuttons labeled "ADJUST", "SELECT" AND "ENTER/RESET" enable the user to adjust set-points, differentials, po...

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