User manual BOSCH GWS 21-230 JHV

[. . . ] Materials Supplied · · · · LP gas valve Label, Rating Plate Label, Conversion Record Instructions 6) Remove the top panel and back panel, being careful to remove the power cord from the back panel as shown in Figure 2. 8) Use a Torx T20 driver to remove the four screws shown in Figure 4. Set the screws aside for reinstallation later. Figure 2 Figure 4 2. Materials Needed · · · · Torx T20 driver 1" open-ended wrench Torque Wrench (English or metric) Torque Screwdriver (English or metric) 3. Procedure 1) Turn off the gas supply to the dryer. [. . . ] 2) Disconnect the electrical power to the dryer. 3) Disconnect the gas connection from the dryer. 5) Use a Torx T20 driver to remove the screws on the back of the dryer that secure the top panel and back panel as shown in Figure 1. Set the screws aside for reinstallation later. 7) Pull the tension lever to the right as shown by the arrow in Figure 3, and remove the belt from the drive pulley. Figure 3 Figure 1 9) Lift and remove the drum/hood assembly as shown in Figure 5. Figure 5 10) Carefully set the drum/hood assembly aside. 2 11) Figure 6 shows the dryer interior with the drum/hood assembly removed. 14) Disconnect the two connectors of the wire harness from the gas valve as shown in Figure 9. 17) Disconnect wires from the flame sensor shown in Figure 12. Figure 6 Figure 9 Figure 12 15) Disconnect the wires from the Klixon shown in Figure 10. 12) Locate gas valve and wire harness connections shown in Figure 7. 18) Disconnect the NTC connector shown in Figure 13. Figure 13 Figure 10 NTC Connector Figure 7 16) Disconnect the igniter wire shown in Figure 11. CAUTION POSSIBLE DRYER DAMAGE: The igniter can be damaged when the combustion chamber is removed. When removing the combustion chamber, keep it away from the igniter. 19) Remove the screw that connects the combustion chamber to the burner bracket shown in Figure 14. Remove the combustion chamber from the dryer. Figure 11 13) Use a 1" open-ended wrench to disconnect the brass elbow from the valve connection as shown in Figure 8. Torque the screws to 2. 6 p-f (3. 5 N-m. ) 30) Reinstall the two screws into the burner as shown in Figure 21. Torque screws to 1. 4 p-f (1. 8N-m). Figure 19 22) Remove the screw from the bottom of the burner bracket as shown in Figure 17. Set the screw aside for reinstallation later. Figure 17 Burner Ring front view Figure 21 4 31) Use the previously removed screw to secure the burner bracket/ gas valve/igniter/burner assembly to the dryer as shown in Figure 22. 34) Reconnect the NTC connector as shown in Figure 25. 37) Reconnect the Klixon wires as shown in Figure 28. Figure 25 NTC Connector Figure 28 Figure 22 32) Reinstall the previously removed burner bracket side screw as shown in Figure 23. 38) Reconnect the gas valve wire harness as shown in Figure 29. 35) Reconnect the flame sensor wires as shown in Figure 26. Figure 29 Figure 23 Figure 26 33) Reinstall the combustion chamber and secure it to the burner bracket with the previously removed screw as shown in Figure 24. Torque the screw to 1. 4 p-f (1. 8N-m). 36) Reconnect the igniter wire as shown in Figure 27. 39) Use a 1" open-ended wrench to reconnect the brass elbow to the gas valve fitting as shown in Figure 30. Torque the connection to 25N-m. Figure 27 Igniter Wire Figure 30 Figure 24 5 40) Reinstall the drum and rotation belt. Rotate the drum several times (counter-clockwise, when facing drum from rear of dryer) before installing the back panel. This is done to ensure that the belt is installed correctly. 41) Reset the broken belt switch by pressing it in the direction shown in Figure 31. 48) Note the conversion on the supplied Conversion Record Label, and afix the Conversion Record Label and the Rating Plate Label to the two postions shown in Figure 32. Figure 32 Figure 31 42) Install the back panel and top. [. . . ] This is done to ensure that the belt is installed correctly. 41) Reset the broken belt switch by pressing it in the direction shown in Figure 31. 48) Note the conversion on the supplied Conversion Record Label, and afix the Conversion Record Label and the Rating Plate Label to the two postions shown in Figure 32. Figure 32 Figure 31 42) Install the back panel and top. 43) Connect all gas connections and power connections. Remove the pressure tap plug from the valve body. [. . . ]