Elkhart Brass 8394-04 User Manual
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1302 WEST BEARDSLEY AVENUE • P.O. BOX 1127 • ELKHART IN 46515 • (574) 295-8330 • FAX (574) 293-
Installation, Operating, & Maintenance Instructions
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Model 8294-04 & 8394-04
Monitor
DOCUMENT NUMBER
98167000 REVISION - B
Table of Contents
I. Product Safety.............................................................................1
II. System Features ..........................................................................2
III. System Component Descriptions...............................................3
A. 8294-04 Scorpion Monitor...................................................................3
B. 8394-04 Brass Scorpion Monitor ........................................................3
C. 81480001 Center-Stow and 81480011 Left-Stow Relay Control
Module ......................................................................................................4
D. 81421001 Primary Panel Mount Switch Module With Stow................5
E. 81339001 Primary Panel Mount Switch Module .................................5
F. 81340001 Secondary Switch Box .......................................................5
G. 81242001 Receptacle for Hand-Held Remote Control .......................6
H. 81221001 Tethered Handheld Remote Control ..................................6
I. 81466001 Auxiliary Battery Pack ........................................................6
IV. Control System Specifications....................................................7
V. Installation...................................................................................8
A. Component Mounting .........................................................................8
1. Monitor ............................................................................................................................8
2. Relay Box (Center-Stow 81480001 and Left-Stow 81480011)....................................... 8
3. Primary Panel Mount Switch Module (81421001 and 81339001).................................. 9
4. 81340001 Secondary Switch Box.................................................................................. 10
5. 81466001 Auxiliary Battery ..........................................................................................11
6. 81242001 Receptacle for Optional Hand-Held Control ................................................ 11
B. Electrical Connections ......................................................................12
1. System Wiring Diagrams............................................................................................... 12
2. Monitor to (81480001 Center-Stow or 81480011 Left-Stow) Relay Control Module.. 12
3. 81339001 Primary Control Switch Module to (81480001 Center-Stow or 81480011
Left-Stow) Relay Control Module................................................................................. 12
4. 81340001 Secondary Switch Box to (81480001 Center-Stow or 81480011 Left-Stow)
Relay Control Module.................................................................................................... 12
5. 81242001 Receptacle for Hand-Held Remote Control to (81480001 Center-Stow or
81480011 Left-Stow) Relay Control Module................................................................ 13
6. 81466001 Auxiliary Battery to (81480001 Center-Stow or 81480011 Left-Stow) Relay
Control Module.............................................................................................................. 13
C. Rotational Limits ............................................................................... 14
1. Aerial Ladder Water Delivery System. (NFPA ¶16-6.1.1)............................................ 15
2. Elevating Platform Water Delivery System (NFPA ¶16-13.2)...................................... 16
3. Water Tower Water Delivery System. (NFPA ¶16-16.1).............................................. 16
VI. Operating Instructions .............................................................17
A. Normal Operation .............................................................................17
i
B. Manual Override ............................................................................... 17
C. Storing the 8294 Monitor (If available) ..............................................17
VII. Maintenance & Inspection.......................................................18
A. Preventive Monitor Maintenance ......................................................18
B. Controller Circuit Board (81479000) LED’s....................................... 18
VIII. Monitor & Nozzle Hydraulic Data..........................................20
ii
I. PRODUCT SAFETY
Important:
Before installing and operating this equipment, read & study this manual thoroughly.
Proper installation is essential to safe operation. In addition, the following points should be
adhered to in order to ensure the safety of equipment and personnel:
1. All personnel who may be expected to use this equipment must be
thoroughly trained in its safe and proper use.
2. Before flowing water from this device, check that all personnel (fire
service and civilian) are out of the stream path. Also, check to make sure
stream direction will not cause avoidable property damage.
3. Become thoroughly familiar with the hydraulic characteristics of this
equipment, and the pumping system used to supply it. To produce
effective fire streams, operating personnel must be properly trained.
4. Whenever possible, this equipment should be operated from a remote
location. Do not needlessly expose personnel to dangerous fire
conditions.
5. Open water valve supplying this equipment
slowly, thus preventing possible water hammer occurrence.
6. After each use, and on a scheduled basis, inspect equipment per
instructions in section
VII.
7. Any modifications to the enclosure will destroy the NEMA 4 rating and
void warranty coverage of the enclosure and all components within.
slowly, so that the piping fills
1
II. SYSTEM FEATURES
PRESSURE
GAUGE
OPTIONAL
ELECTRIC NOZZLES
USER SELCTABLE STOPS
TO ADJUST VERTICAL
TRAVEL LIMITS
HIGH TORQUE
MOTORS FOR
RELAIBLE AND
SMOOTH OPERATION
USER SELCTABLE STOPS
TO ADJUST HORIZONTAL
TRAVEL LIMITS
VANED
WATERWAY TO HELP
REDUCE FRICTION LOSS
MANUAL OVERRIDES
4” 150# ANSI FLANGE
Figure 1
8294-04 Scorpion and SM-2000E Nozzle
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III. SYSTEM COMPONENT DESCRIPTIONS
A. 8294-04 Scorpion Monitor
(Figure 2) The 8294-04 Scorpion is a cast aluminum
monitor with 4" waterway. The waterway contains a
central vane to minimize large-scale turbulence and
provide superior fire streams. Monitor water supply
connection is a 4 inch 150 lb. ANSI pattern flange. The
discharge nozzle connection is 3-1/2 inch National Hose
thread. Nozzle stream direction is controlled by two
permanent magnet type planetary gear motors, one
controlling rotation about the axis of the water inlet, and
the other controlling nozzle elevation and depression.
Right angle gear cases between the gear motor and the
monitor allow for convenient manual override of the
electric motors in the event of a power failure during
firefighting operations. All gearing is enclosed within the
monitor housings.
8294-04 Monitor with SM-2000E Nozzle
The maximum monitor flow capacity is 2000 gallons per minute. Monitors are normally
supplied with the SM-1250E constant pressure (automatic) type master stream
nozzle. This nozzle has a flow range of 300 to 1250gpm@80psi, and has an electric drive
mechanism for remote control of the spray pattern from a straight stream to wide fog. Other
nozzles that my be used on this monitor are:
¾ SM-1000E 300 to 1000gpm@80psi
¾ SM-1500E 500 to 1500gpm@75psi
¾ SM-2000E 500 to 2000gpm@80psi.
For optimum straight stream performance, stream shapers are provided as part of the monitor
and nozzle system. Solid stream nozzles are also available for use with this monitor
B. 8394-04 Brass Scorpion Monitor
Figure 2
(Not Shown) The 8394-04 Scorpion is a cast brass monitor with 4" waterway. The waterway
contains a central vane to minimize large-scale turbulence and provide superior fire streams.
Monitor water supply connection is a 4 inch 150 lb. ANSI pattern flange. The discharge
nozzle connection is 3-1/2 inch National Hose thread. Nozzle stream direction is controlled
by two permanent magnet type planetary gear motors, one controlling rotation about the axis
of the water inlet, and the other controlling nozzle elevation and depression. Right angle
gear cases between the gear motor and the monitor allow for convenient manual override of
the electric motors in the event of a power failure during firefighting operations. All gearing
is enclosed within the monitor housings.
The maximum monitor flow capacity is 2000 gallons per minute. Monitors are normally
supplied with the SM-1250BE constant pressure (automatic) type master stream
nozzle. This nozzle has a flow range of 300 to 1250gpm@80psi, and has an electric drive
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mechanism for remote control of the spray pattern from a straight stream to wide fog.
Another nozzle that my be used on this monitor is the
¾ SM-2000BE 500 to 2000gpm@80psi.
For optimum straight stream performance, stream shapers are provided as part of the monitor
and nozzle system. Solid stream nozzles are also available for use with this monitor
C. 81480001 Center-Stow and 81480011 Left-Stow Relay Control Module
The monitor control circuit uses a state-of-the-art PIC (Programmable Integrated Circuit)
chip design. This device allows numerous control features while keeping circuit board size
to a minimum. Relays within this box provide motor reversing control for the up-down, leftright and straight stream-fog functions. The control module provides motor protection with
the use of electronic current sensing circuitry. When monitor travel limits are reached, this
circuitry senses motor stall current within a few milliseconds, and automatically shuts off
power to the motor. As soon as the control switch is released, the circuit resets to allow
subsequent operation of the monitor.
In an effort to eliminate the need for the installer to open the relay control module, we ship
the assembly with pre-installed cables for connection to the primary and secondary switch
boxes, and to the monitor wiring harness. The enclosure is NEMA 4 rated (drench proof),
and suitable for installation at any location on the apparatus other than high temperature areas
such as the engine compartment.
The following additional functions/features are provided in the relay control box:
¾ Reverse Polarity Protection: If battery connections are reversed, this feature
prevents power from being applied to circuits, and prevents damage to electronic
components.
¾ Control Override Capability: This feature provides compliance with NFPA 1901
Paragraph 16-6.1(b). The controls at the aerial operator's position override secondary
controls (i.e. at ladder tip).
¾ Circuit Board Moisture Protection: The circuit board and circuit components are
protected from moisture by an acrylic resin conformal coating. All relays have sealed
covers.
¾ Indicator Lights for Control System Trouble Shooting: LED indicator lights are
located on circuit board inside relay box for purpose of checking control circuits and
PIC chip operational status.
¾ Stow Feature: See document 98284060 (Found in instruction packet 98421001
included with 81480001 or 81480011Relay Control Module) for a complete
description of the stow feature including a description of the stow indicator output.
¾ Electronic Current Sensing (ECS): The control system also provides secondary
motor protection with the use of ECS circuitry. If the monitor encounters an
4
obstruction before reaching a limit, this circuitry quickly senses motor stall current
and automatically shuts off power to the motor. As soon as the control switch is
released, the circuit resets to allow subsequent operation of the monitor.
Caution:
Any modification of the enclosure will destroy the NEMA 4 rating, and will void the warranty
coverage of the remote control.
D. 81421001 Primary Panel Mount Switch Module With Stow
(Figure 3) This component is a panel mount type configuration
with controls to operate the monitor. Three separate sealed three
position toggle switches are used as inputs to the controller as
well as a single sealed momentary switch to initiate the stow
feature. The switches are ON-OFF-ON momentary type
switches. The module has a NEMA 4 rating and is suitable to
install anywhere on the apparatus except for the tip of the aerial
or inside the engine compartment.
Figure 3
Primary Panel Mount Switch Module with Stow
E. 81339001 Primary Panel Mount Switch Module
(Figure 4) This component is a panel mount type configuration
with controls to operate the monitor. Separate sealed three
position toggle switches are used as inputs to the controller. The
switches are ON-OFF-ON momentary type switches. The
module has a NEMA 4 rating and is suitable to install anywhere
on the apparatus except for the tip of the aerial or inside the
engine compartment.
Primary Panel Mount Switch Module
F. 81340001 Secondary Switch Box
(Figure 5) This component is a surface mount type switch box with controls for operation of
the monitor. Separate sealed toggle switches are furnished for updown, left-right, and straight-fog functions. The box has a NEMA
4 rating, and can be installed at the top of the ladder in aerial
applications, or as a secondary controller on deck gun applications.
A terminal strip inside the enclosure allows for connection of the
control cable, and a watertight strain relief fitting provides for
sealing around the cable entry.
Secondary Switch Box
Figure 4
Figure 5
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