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Tornatech MPA - Motor Status and Start Causes

Tornatech MPA
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19
Alarm indicator: Exclamation mark in a red triangle icon. As soon as at least one alarm is ACTIVE or OCCURRED,
the alarm indicator will be flashing.
H: The motor configuration symbol shows how the motor is wired to the contactor(s). This symbol is used to show if
the motor is in a starting configuration (Wye wiring, for example) or in a permanent running configuration (i.e. delta
wiring)
Permanent delta motor connection.d
I: Representation of the motor starting or stopping cause. A green capsule will indicate the reason why the motor is
running. Possible choices are:
EMERGENCY: Manual motor starting activated by the emergency handle.
MANUAL: Manual motor starting activated by the START push button.
REMOTE MANUAL: Manual motor starting activated by a remote start contact.
DELUGE: Automatic motor starting activated by a deluge valve.
AUTO: Automatic motor starting activated by pressure drop
REMOTE AUTO: Automatic motor starting activated by remote equipment
FLOW: Automatic motor starting activated by a signal in the FLOW/ZONE START/STOP input.
HIGH ZONE: Automatic motor starting activated by a signal in the FLOW/ZONE START/STOP input.
WEEK TEST: Automatic motor starting activated by a scheduled test.
MANUAL TEST: Automatic motor starting activated by the run test push button.
A red capsule will indicate the reason why the motor is not running despite the fact that a request is being made.
Possible choices are:
LOCK ROTOR CURRENT: A lock rotor current alarm has not been cleared on the alarms page and prevents the
motor from starting.
LOW PRESSURE: A low suction pressure prevents the motor from running, This functionality is optional.
LOW WATER: A low water reservoir level prevents the motor from running, This functionality is optional.
LOW ZONE: A not running lower zone controller prevents the motor from running. This functionality is optional.
LOCKED: An interlock signal is preventing the motor from running.
J: The discharge pressure gauge. It allows for a precise reading of the actual system pressure. The red box on the
upper left corner of the gauge indicates the value of the Cut-In set point and the green box on the upper right corner
represents the Cut-Out set point. These values will also be represented by a red and green line on the gauge,
allowing a quick comparison between the actual pressure and the set points. At the bottom of the gauge, a digital
indicator shows the actual discharge pressure represented also by the needle of the gauge. To the right of the
digital pressure indicator, the actual pressure unit is shown. Finally, the maximum allowable pressure is also
indicated on the gauge and will scale the gauge accordingly.
K: Displays three statuses that describe the primary configuration of the controller: Pressure actuated or Non-
pressure Actuated, Automatic Controller or Non-automatic, Manual or Automatic Shutdown.

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