ACS 601.86861.00 Operation And Instruction Manual page 14

Tune
Run/Hold
Start
Stop
Button
Vent
Alarm
Silence
M2C Advanced
• If no Autotune operation is in progress, this button starts an Autotune operation. If an
Autotune operation is in progress, pressing this button will immediately stop the Autotune
operation. While the Autotune is running, the "Autotune" message is displayed on the
LCD in place of the normal "Running" message.
• This key will not function if the Security Level is less than 3.
• This key will not function if the Ramp/Soak operation is in progress.
• This key will not function while in the Factory mode.
• This key controls the Ramp/Soak process. If no Ramp/Soak operation is in progress, it starts
the Ramp/Soak operation. When Ramp/ Soak is running, this key puts the Ramp/Soak
operation into a hold condition. While the Ramp/Soak is running, the "Ramp/Soak"
message is displayed on the LCD in place of the normal "Running" message.
• This key will not function if the Security Level is less than 3.
• This key will not function if the Ramp/Soak operation is in progress.
• This key will not function while in the Factory mode.
• When system is powered-on, the controller initializes and then displays the "[SYSTEM
OFF]" message on the LCD. The controller is not functioning at this point. Pressing this
START key enables all controller functions and lights the green power-on LED. After the
system has been started, the "[Running]" message is displayed on the LCD.
• Stops all controller functions and turns off the green power-on LED (overrides Remote
Start input). After the system has been stopped, the "Stopped" message is displayed on the
LCD.
• This key will override an existing Remote Start input switch closure.
Function
• When the system is first powered-on and the "Power Available - System Off" message
is displayed, pressing the VENT key will turn on the Vent Output for a period of 8
seconds. The message "VENT" will be displayed during this period.
• When the system is running, pressing the VENT key shall manually turn on the Vent
Output for as long as the key is held down, provided the 'To Process' temperature is
o o
below 150 F (65.5 C) for a water unit and 250
unit. The message "Vent Time = MANUAL" will be displayed while the key is held
down.
• Turns off the Alarm 1 Output. The cause of the alarm will continue to appear in LCD
until the fault is cleared.
• Used to immediately terminate any of the three Setup modes without having to cycle
through to the end of the menu items. Note that the current displayed parameter value
is not saved to EEPROM when this key is pressed.
• Can be used as a means of turning on the LCD backlight without affecting any
operation.
682.98769.00
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F (121 C) for an Oil
• 8/24/18 14