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Dwyer MPC User Manual

Page 19

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nce

D

9

to

SCAL

ed

18

0SUP

Zero Suppression: Select

0n

or

0FF

. Factory default is

0n

.

0FF

The input range will start at 0 (zero) Input.

0n

The input range will start at 4.00 mA or 2.00 V.

1nP

Input Type: Select one of the following. Refer to the Input wiring section for
the proper wiring. Factory Default is

Curr

.

Curr

DC Current Input 0.0 to 20.0 or 4.0 to 20.0 mA.

UoLt

DC Voltage Input 0.0 to 10.0 or 2.0 to 10.0 volts.

- - - -

Reserved

P0t

Pump Over Temperature: Select

AUt0

or

rES

. When pump temperature sensor

indicates that there is an over temperature condition the pump will be held out of
service and the corresponding pump over temperature lamp is lit on the controller.
If using the MPC with two pumps and lead/lag on then the remaining pump
becomes the lead pump. If lead/lag is turned off then the remaining pump
becomes controlled by Set Point 1. See page 12.

AUt0

The pump will be automatically placed back into service and the
lamp turned off when the over temperature condition has ceased.

rES

The pump will remain out of service and the lamp lit until the
corresponding manual reset

P10t

or

P20t

is reset in the

Secondary menu. The pump cannot be brought back into service until
the over temperature condition has ceased.

PSF

Pump Seal Failure: Select

AUt0

or

rES

. See page 11.

AUt0

When pump moisture sensor indicates that there is a seal failure condition
the corresponding pump seal failure lamp is lit on the controller. The pump
will remain in service with only the lamp indication of failure. The lamp will
automatically turn off when failure condition ceases.

rES

When pump moisture sensor indicates that there is a seal failure
condition the corresponding pump seal failure lamp is lit on the
controller. If the MPC is being used with two pumps and the lead/lag
feature turned on then the failed pump will automatically become the lag
pump, the remaining pump the lead pump, and the alternation
discontinued. The seal failure action is reset manually with the values of

P1SF

and

P2SF

in the Secondary menu. The control will only reset if the

pump moisture sensor is no longer in a failed condition.

tESt

System Test: Select

0n

or

0FF

. When

0n

is selected the ˝System Test˝ key on the

front panel will be activated. By depressing this key for 3 seconds the controller
will simulate an input from

SCAL

to

SCAH

and back to

SCAL

over a period of 32

seconds. This test will run continuously until the SYSTEM TEST key is pressed
again. When the controller is in System Test Mode the lamp above the System
Test Key will be ON.

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