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Menu 6 Screen 10. This screen shows the setting of the setback load rate option. It can be set to Off or On. “Off” turns the setback load rate function off, and the dryer will not change the process set point. The "On" setting tells the dryer to go into setback when the load rate gets to its set number of loads per hour Menu 8, Screen 12. (continued next page) 4Operation Operation l 4-11 Control Function Descriptions (continued) Screen Function Screens 15-27 require access code 754. Screen 28-43 require access code 755. SCREEN 28 (Test Mode Screen) off C13C off 1H off C12C Central When supplied for central drying applications, these functions are not available. SCREEN 26 (Set up Screen) Precooler Option WARNING: The precooler must NOT be installed in the process line for temperature setpoints above 150°F (65.5°C). The precooler hosing will absorb too much heat and will result in poor process temperature control. SCREEN 27 (Set up Screen) Precooler Flow Control Option WARNING: The precooler must NOT be installed in the process line for temperature setpoints above 150°F (65.5°C). The precooler hosing will absorb too much heat and will result in poor process temperature control. This screen shows how the precooler is set to operate. If it is set to "Off" the control assumes the precooler is not installed in the process line and will not control well below 150°F (65.5°C). If the screen is set to "On" the control will assume the pre- cooler is connected in the process line and will only allow setpoints from 100 to 150°F (37.8 to 65.5°C). The control will also assume that the water flow rate is set manually with a ball valve and make no attempt to control water flow. The pre- cooler option must be installed for this screen to appear. This screen shows how the precooler flow control is set to operate. The precooler flow control option must be installed for this screen to appear. If the screen is set to "On", the control will assume the precooler is installed in the process line and will only allow setpoints from 100 to 150°F (37.8 to 65.5°C). It will also assume the water flow solenoid valve is piped in the water line and the dryer control will regulate water flow to control temperature. This is the Test Mode screen for the process blower. By pressing the + or keys, the setting can be changed. When set to "On", the process blower output will be turned on for 3 sec. and then shut off automatically. 4-12 l Operation Control Function Descriptions (continued) Screen Screen 28-43 require access code 755. SCREEN 29 (Test Mode Screen) SCREEN 30 (Test Mode Screen) SCREEN 31 (Test Mode Screen) SCREEN 32 (Test Mode Screen) SCREEN 33 (Test Mode Screen) off 3H off 2H off 5H off 4H off 6H Function This is the Test Mode screen for the process heater. By pressing the + or keys, the setting can be changed. When set to "On", the process heater output will be turned on for 3 sec. and then shut off automatically. . Note: The isolation contactor will not be pulled in so no electricity will go the heater. The solid state relay contacts should close. This is the Test Mode screen for the regeneration blower. By pressing the + or keys, the setting can be changed. When set to "On", the regeneration blower output will be turned on for 3 sec. and then shut off automatically. This is the Test Mode screen for the regeneration heater. By pressing the + or - keys, the setting can be changed. When set to "On", the regeneration heater output will be turned on for 3 sec. and then shut off automatically. . Note: The isolation contactor will not be pulled in so no electricity will go the heater. The solid state relay contacts should close. This is the Test Mode screen for the bed drive motor. By pressing the + or - keys, the setting can be changed. When set to "On", the bed drive motor output will be turned on until the limit switch makes the next valley, and then shut off automatically. This Test Mode screen is not used in the current program. (continued) 4Opera tion Operation l 4-13 4-14 l Operation Control Function Descriptions (continued) Screen Screen 28-43 require access code 755. SCREEN 34 (Test Mode Screen) SCREEN 35 (Test Mode Screen) SCREEN 36 (Test Mode Screen) SCREEN 37 (Test Mode Screen) SCREEN 38 (Test Mode Screen) off 8H off 7H off 10H off 9H off 11H Function This is the Test Mode screen for the isolation contactor. By pressing the + or - keys, the setting can be changed. When set to "On", the isolation contactor output will be turned on for 3 sec. and then shut off automatically. This is the Test Mode screen for the alarm output (horn and or red light). By pressing the + or - keys, the setting can be changed. When set to "On", the alarm output will be turned on for 3 sec. and then shut off automatically. . Note: The alarm light on the membrane switch will not come on. If the optional alarm horn or red light is not installed, nothing will happen. This is the Test Mode screen for the pre- cooler flow control valve. By pressing the + or...

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