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Hersteller: Williams Dateigröße: 1.48 mb Dateiname: 17735_Installation.pdf Unterrichtssprache:

NOTE: When the same ON and OFF times are desired for different days of the week, the setting procedure may be simplified. • 1-2-3-4-5 (from Monday through Friday) • 1-2-3-4-5-6 (from Monday through Saturday) • 1-2-3-4-5-6-7 (from Monday through Sunday) • 6-7 (Saturday and Sunday) F. To avoid undesired operation verify that the programs do not overlap one another. You can check the settings by pressing the Program Selection button. (, Figure 10-C) G. Move the Setting/Regulator switch to the RUN position (center). The display will show the current day and time. IMPORTANT: All the programs set will be activated ONLY the day after the setting has been carried out. During operation, the ON status of the timer is shown on the display with the symbol on the right end. When the symbol does not appear, the timer is OFF. Cancelling a Single Program To cancel a single program: A. Move the Setting/Regulator switch (Figure 10-B) to the (, Figure 10-C) position (right). Press the Program Selector (, Figure 10-C) button and select the program to be cancelled. B. Simultaneously press the Program Selector (, Figure 10-C) and SKIP button ( Figure 10-G) for at least 2 seconds. The selected program will be cancelled. C. Verification that program has been cancelled is the continual blinking of 0:00. Cancelling of all Preset Programs To cancel all the preset programs, press the Reset button, R, for at least 2 seconds. All the preset programs will be cancelled. Using the Skip Function To skip a program: A. Move the Setting/Regulator switch in the RUN position (center). B. Press the SKIP button ( Figure 10-G). The next program will be activated as programmed. The SKIP symbol ( Figure 10-G) is shown on display. C. The SKIP command may be stopped, by pressing the SKIP button. ( Figure 10-G) The preset program will restart and SKIP symbol ( Figure 10-G) will disappear from the display. Skip Function Procedure During Operation A. The SKIP function can be activated only in RUN mode. B. The SKIP function starts immediately after the pressing the SKIP button, and disappears when next program starts. C. The SKIP function can be stopped manually by pressing the SKIP button and the preset program will be activated. 0 0 1 2 3 4 5 6 7 0:00 1 1 2 3 4 5 6 7 15:16.. 1 0 X1 2 3 4 5 6 7 15:16.. Troubleshooting Starting Sequence (Electrical) Step 1 1. Check L1 – L2 (Supply 120 V, 60 Hz) 2. Check M9 (Main fuse) Troubleshooting Step 1 Point 1 (L1-L2) No voltage (120 V). Check the electrical supply line, wiring and connections. Point 2 (M9) Fuse damaged. Check the electrical supply line and replace the fuse. Summer Mode Step 2 3. Check Z1 (Reset summer/winter switch). Button down – summer mode. 4. Check Z2 (Hi-Lo flame and fan speed switch) Button down - Minimum velocity Button up – Maximum velocity Troubleshooting Step 2 Point 3 (Z1) Z1 is down (closed) but there is no voltage on the fan motor M. Check wiring and connections. If everything is okay, replace the switch. Point 4 (Z2) Z2 is down but the fan motor runs at the maximum velocity (120 V) Z2 is up but the fan motor runs at the minimum velocity (lower than 120 V) Check wiring and connections. If they are okay, replace the switch. Winter Mode Step 3 5. Check Z1 (Reset summer/winter switch). Button up – winter mode. 6. Check Z3 (Manual-program mode switch). Button up – manual mode. Button down – automatic mode. 7. Check M2 (Fan thermostat). The thermostat is closed only when its temperature is higher than 104 °F. 24 V Troubleshooting Step 3 Point 5 (Z1) Z1 is open and no ignition. Check wiring and connections. If everything is okay, replace the switch. Point 7 (M2) M2 is closed and fan thermostat temperature is lower than 104 °F. Check wiring and connections. If they are okay, replace the thermostat. Step 4 8. Check Z9 (Room thermostat). Close the thermostat with a clockwise rotation. 9. Check M1 (Overheat thermostat, automatic reset). The thermostat is closed at a temperature lower than 140 °F. 10. Check S (Combustion blower motor). Troubleshooting Step 4 Point 8 (Z9) After a clockwise rotation, the contact is still open. Check wiring and connections. If they are okay, and the room temperature is cold, replace the switch. Point 9 (M1) M1 is open and fan thermostat temperature is lower than 140 °F. Check wiring, connections, gas pressure and fan motor. Clean fan blades and air grids. If everything is okay, replace the thermostat. Point 10 (S) S motor does not run. Check voltage, wiring and connections. If everything is OK, replace the motor. Step 5 11. Check NP (Pressure switch). 12. Check electrical supply to flame control box (120 V). 13. Check TR (electrical transformer). (120V/24V) 14. Check EV1 (Min gas valve, 24V). 15. Check RP7 (ignitions electrode) 16. Check RP8 (flame sensor) 17. Check EV2 (Max gas valve, 24 V). Troubleshooting Step 5 Point 11 (NP) NP contact is open and air blower ON. Check wiring and connections. Check and clean blower pipes. Check and clean burner and flue gas pipe. C...

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