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Hardware, Ptec ii – Class1 Pump Throttle Electric Cotnrol Series 2 User Manual

Page 3

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PTEC II

Hardware

Electronic Control Unit (ECU)

Microprocessor control logic to operate the system. The ECU contains internal memory for
system setup and diagnostic information. Inputs and outputs at the ECU determine system
operation. The ECU should be mounted in an accessible area but protected as much as
possible from physical damage especially the wiring.

P.E.D. # 12047680

P.E.D. # 12040921

1F

SYS ACTIVE

3F

2F

MAGGND

5V-OUT

3A

2C

3D

TERM:

CONN:

SOCKET

GROUND

GOV LT

ACTOUT

WIRE

SOCKET

CONN:

TERM:

P.E.D. # 12047680

GOVMODE

PPSI

PSI GND

ACT IN/ON

3K

2E

2G

3J

WIRE

INTLK #1A

DIAGNOSTIC

MAGPU

2B

1E

1C

3B

INC

1B

DEC

P.E.D. # 12034398

Control Head

This unit contains the switches and LED’s for the user interface to the system. Diagnostics
and System Setup can be performed using the Control Head and a diagnostic connector.
This part of the system is the operator interface and should be mounted on the pump panel at
a height that allows easy operation and viewing.

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