S – 150 Controller User Manual
MKTF – 429-A 19 08/16
Tank Full Override
A timed tank full override can be initiated when the RO unit is shut down due to a tank full condition.
Pressing the Alarm Silence/Reset key for three seconds during a tank full condition will enable the tank
full override. The RO will start and TF OVERRIDE 9 will show on the display. The number is the
minutes remaining in the override timer. When the override times out, the unit will return to the tank full
shutdown condition.
Pressure Fault
If the pressure fault input becomes active and stays active for the delay programmed in the PF Delay
Setpoint, the unit will shut down for a pressure fault. The display will show PRESS FAULT, the alarm
lamp will flash and the audible alarm will sound. The pressure fault can be cleared by pressing the
Alarm Silence/Reset key twice.
Auto Reset
If a pressure fault shutdown occurs and the Auto Reset Setpoint is programmed to zero, the unit will
remain shut down until manually reset. If the Auto Reset Setpoint is programmed to a value greater
than zero, the unit will automatically clear the pressure fault and attempt to restart after this delay times
out.
Alarm Silence
When a shutdown occurs that causes the audible alarm to sound, the alarm can be silenced by
pressing the Alarm Silence/Reset key once. The alarm will remain silenced if the Alarm Silence
Setpoint is programmed to zero. If the Alarm Silence Setpoint is programmed to a value greater than
zero, the alarm will resound after this delay times out. Pressing the Alarm Silence/Reset key will silence
the alarm and reset this delay.
Pretreat
If the pretreat input becomes active and stays active for two seconds, the unit will shut down in a
pretreat lockout condition. PRETREAT will show on the display and the unit will remain shut down as
long as the pretreat input is active.
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