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IM-P403-89 EMM Issue 8

Information line details (in priority order):

Alarm:

ALARM - Indicates the alarm relay has been de-energised / released.

ALM TEST - the operator is testing the alarm relay. The relay is either energised (shown

without 'ALARM') or de-energised (shown with 'ALARM') for 5 minutes. See commissioning

mode TEST-OUTPUT-ALARM menu.

BB ERROR - See details in the error screen in run mode and Section 9 - 'Fault finding'.

SCALED - See details in Section 9.3 - 'Operational error messages'

TDS HIGH - The PV value has exceeded the alarm level.

Bottom blowdown valve (BB):

BLOWDOWN - Indicates either the bottom or TDS blowdown relay is energised.

BB TEST - the operator is testing the bottom blowdown relay. The relay is either energised

('ON') or de-energised ('OFF') for 5 minutes. See commissioning mode TEST-OUTPUT-

BB VALVE menu.

BB OPEN - the valve has been opened continuously i.e. manual override. See

commissioning TIMER-MODE-OPEN menu.

BB OFF - the timer is switched off i.e. manual override. The timer will ignore all pre-

recorded times. See commissioning TIMER-MODE-OFF menu.

BB BLDN - a timed bottom blowdown is occurring i.e. the valve is open.

TDS blowdown valve (Conductivity / Total Dissolved Solids):

BLOWDOWN - Indicates either the bottom or TDS blowdown relay is energised.

TDS TEST - The operator is testing the TDS blowdown relay. The relay is either energised

('ON') or de-energised ('OFF') for 5 minutes. See commissioning mode TEST-OUTPUT-

VALVE menu.

CLEANING - Indicates the probe is being cleaned. The valve has been switched off.

PULSED - The TDS has increased above the Set Point (SP), and the TDS blowdown

valve is being pulsed open for 10 second on and 20 seconds off until the TDS drops

below the hysteresis of the SP.

TDS HIGH - The TDS has increased above the Set Point (SP), and the TDS blowdown

valve has been opened until the TDS drops below the hysteresis of the SP.

PURGE - is displayed during a purge period (valve open). At the end of this time the

product will either indicate 'TDS HIGH, PULSED ' or restart another purge interval.

TDS recalibration required:

TDS CAL + REQUIRED - If selected, the product can remind the user when another

calibration is required. The reminder will only be displayed if an alarm or a blowdown is

not occurring.

Spirax Sarco BC3250 User Manual

Questions and Answers: