TM-9-2320-328-13-P-1

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3

MARCH 2009

TM-9-2320-328-13-P-1 - Page 149 of 1318

TM 9-2320-328-13&P-1

0017-19

DRAFT

0017

(g)

Change Password.

The change password function may only be accessed if the service

password has been entered.

The change password function shall allow the user to change the 5-digit code that grants access to

password protected screens.

d.

Input Specification and Requirements.

1.

Inputs.

(a)

System Voltage.

(b)

Engine Oil Pressure.

(c)

Engine Water Temperature.

(d)

Engine RPM.

(e)

Display Data.

(f)

Fuel Level (Analog).

(g)

Hydraulic Oil Temperature (Analog).

(h)

Pump Intake Pressure (Analog).

(i)

Pump Discharge Pressure (Analog).

(j)

Hydraulic Oil Level Low (Digital).

2.

Outputs.

(a)

Pump Displacement Solenoid: (Hardwire).

(b)

Audio Alarm: (Hardwire).

END OF TASK

PUMP OPERATOR’S PANEL DISPLAY

a.

General Description.

The intent of this software design specification is to describe the functional requirements of the HEWATT pump

panel display. The HEWATT pump panel display shall provide an interface to select and control the various

components of the fire suppression system.

The HEWATT pump panel display shall provide an interface that the

operator will use to monitor and respond to various alarms, warnings, and advisories pertaining to the apparatus.

The control requirements will follow requirements outlined by the fire industry standard NFPA 1901, published in

2003; and, NFPA 414, published in 2001.

The control system will be functional for all HEWATT custom chassis.

Those chassis will be built using J1939

equipped engines and transmissions.

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