LeMaitre G300 Manuale utente
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G300 Operations Manual
v. 06.10.05
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Page 1 Introduction
Page 2 Warnings
Page 3 Technical Specifications
Page 4 Operating Procedure
Page 7 Remote and External Control Features; Analog 0-10V Control
Page 8 Linking Switch Setting Options; G300/ Haze - Mode Changing;
Machine to Machine Linking
Page 9 Electrical Connections
Page 10 Maintenance
Page 11 G300 Industrial Hose Option
Page 12 G300 Steamer/ Air Purge Control List
Page 13 LSG/ G300 Operating Procedure
Page 15 Recommended Fluids
Page 16 Warranty
Page 17 Safety Precautions; Accessories
Page 18 G300 Flow Rates
Please Read Carefully Before Operating
Table of Contents
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The G300 is a Microprocessor Controlled, Water Base Fog and Haze generating system.
The Microprocessor is responsible for the following control elements -
Monitoring the heat exchanger temperature.
Driving the heater within the heat-exchanger in a proportional power mode.
Driving the fluid pump units in a pulse mode, relating fluid flow to temperature
Accepting and manipulating data from the Flow, Duration and Interval controls.
Accepting data from the Smoke Switch.
Accepting data from the 0-10 volt inputs.
Sending and receiving data relating to machine/machine linking.
Monitoring the heater and pump power switching devices.
Monitoring the voltage supply.
Determining the mains frequency.
Determining the main mode of operation and adjusting the required parameters.
Monitoring the 31 step mode adjustment preset for parameter offsets.
Monitoring the display preset to allow one of three display modes.
Sending display information relating to FlowRate, Duration Time, Interval Time, Ready
Status, Heater Status, temperature ( if selected) and mode step (if selected).
1
Water Base Fog technology is achieved by pumping a Glycol/Water mixture through a Heat
exchanger. The heat exchanger has been heated to the point where at the fog fluid mixture
will vaporize.
The fluids own vaporization forces the hot mixture out of the output nozzle where, when it
mixes with the ambient air, it forms an opaque aerosol (fog). The fog is made up of tiny
droplets of glycol that form around the small particles in the air. The suspended droplets
reflect the light, which is why fog will take on the colour of the light illuminating it.
Introduction
Microprocessor Control
Water Base Fog Technology
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M.S.D.S. available at www.lemaitrefx.com
Important Safety Instructions: Do not touch or place hands, expose skins,
within 50 cm. of discharge nozzle.
Important Safety Instructions: Do not remove the outer case until power
has been disconnected from the machine.
Important Safety Instructions: Persons suffering from asthma or allergenic
sensitivity may experience irritation, discomfort, or allergic symptoms when
exposed to fog effects.
Important Safety Instructions: Ensure that this unit is grounded at all times.
Failure to do so may result in serious injury.
Important Safety Instructions: Never use alternative fluids. Toxicity free
output is your responsibility.
Warning
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Model: G300 Continuous Flow Fog / Haze
Micro-Processor Control Management
Type: Water Base Fog/Haze generating system
Size: 610 x 210 x 295 mm.
23 7/8”x11 7/16”x10 1/2” High (Incl. Handle)
Weight: 24 Kilos , 52 Lbs.
Power Rating: 110 Volt A.C.50/60 Hz 18 Amps
240 Volt A.C.50/60 Hz 9 Amps
Facilities: Selectable ‘Haze’ or Hi-Power ‘G300’ Mode
Detachable Digital Display Remote
0-10 Volt Fog/Flow Control
Fog/Flow Digital Machine Linking
Flow /Fog/Data Accept Switches
3
Technical Specifications
G300 Illustration
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1) The G300 must only be connected to a mains supply capable of sustaining at
least 18 Amps, and be adequately Grounded. The supply should be ‘clean’ and free
of interference.
2) The Power to the G300 should be controlled by the illuminated Mains Power
switch located on the rear panel.
3) Shortly after switching ‘ON’, the digital display on the remote panel will
show a 50H or 60H. This is an automatic line frequency check which allows highly
accurate timing features.
4) The Display unit will now start flashing ‘HAZE’. This is a default setting. If
Regular Haze fluid is to be used, then the machine should be allowed to continue
without interruption. If the Hi-Power G300 mode of operation is required where
fog fluid will be used, then at this time of display flashing, the button marked
‘G300 MODE’ should be kept depressed. The display will change to read G300, until
such time as this mode is recorded, and the machine continues in its start up proce-
dure. The button can then be released. For those machines equipped with a G300
MODE keyswitch please refer to key card for proper keyswitch position.
Should ‘Haze’ mode be selected when the machine has been operating in
the ‘G300’ mode, then it is possible that time will be required to allow the machine
to adjust to the ‘Haze’ characteristics.
This will be indicated by a flashing ‘C’ code in the Heat-Flash window of the
remote control.
4
Operating Procedure
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5) The Remote Display will now enter its standard phase. This indicates the ‘Heating’
power, the ‘Flow’ rate setting, and the ‘Ready’ status.
At this stage the flow rate may be adjusted freely between minimum and maximum
settings. (Upon entering a ‘ready to operate’ phase the maximum allowable flow rate will be
automatically adjusted based on the energy available. )
6) The Timer controls are of an auto-display option, and will display immediately upon
being adjusted, or if set to any position apart from the Interval being ‘Off’ will display
approximately every 10 seconds.
The ‘Interval’ control ( time between repeating fog issues ), allows the following
selection:
‘OFF’ - No timer or time display
‘1-SH’ - Single issues upon Fog activation
’00:10' - Timer selection in 10 second steps
’05:00' - to 5 Minutes, then 30 second steps
’20:00' - to 20 Minutes.
The ‘Duration’ control ( time of actual fog issue ) allows the following selection:
’00.02' - Timer selection in 2 second steps
’00.30' - to 30 Seconds then 30 second steps
’08.00' - to 8 Minutes.
Note that when the automatic display of the timer settings occurs, the Interval time
will have a central colon (:) whereas the Duration time will have a central point (.) displayed.
7) As the machine heats up to its operating temperature, if the flow setting has been set
to maximum, there will be a point when this will readjust to a much lower value. It is at this
point that the machine has reached its lowest ‘ready’ point. A flashing ‘H’ or ‘G’ will appear
in the ‘Ready Flash’ window, indicating that the machine is now ready at its minimum level.
The machine can in fact be operated at this point, or further time allowed for maximum issue
capabilities. If the machine is allowed further time, then the ‘Flow’ rate will be seen to
increase in its allowable maximum setting until position 31 is reached.
5
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At this time, or shortly afterwards, the ‘Heat Flash’ indicator bars on the Remote handset will
reduce from 3 bars to 2, and then 1 and finally no bars, as the heater switches off.
When settled, the ‘Heat Flash’ indicator will indicate the power being used in maintaining the
working temperature. Since proportional control is used, this will vary upon the operating
environment.
8) The machine may now be operated fully as desired with due attention to all prevailing
safety regulations.
FLUID REPLACEMENT
Replacing fluid does not require any attention to ‘priming’ conditions. The G300 uses a
unique system of fluid pumping which allows fluid system replenishment without requiring
special settings of flow control.
‘HAZE’ FLOW CONTROL
The machine will change the characteristics of the ‘Flow Rate’ settings when ‘Haze’ mode is in
effect. This allows very short burst issues up to 5 seconds apart to be selected just by the
‘Flow Rate’ control when at its lowest ‘on’ setting. ( ‘0’ is actually no flow, which can be
useful if only a single channel 0 -10v control is available).
This decreases to every 4,3,2, and 1 seconds, after which point normal flow control com-
mences as the flow rate is increased.
This feature allows instant ‘Hazing’ to be instigated by employing a high flow setting, then
allowing replenishment of loss by means of a low output, high velocity haze issue.
AUTOMATIC and CONTINUAL FLOW CONTROL
The G300 employs an extremely high accuracy thermal monitoring system. Combining this
with Micro-Processor control and a highly stable Patented Heat Exchanger, allows a self
management system to automatically adjust the flow rate for maximum conditions at any
temperature. This means that regardless of energy availability, a continual flow setting is
automatic. If the initial flow setting is high, then this will be decreased as flow continues,
until such time as a stable situation is attained.
6
Note:
Note:
Note:
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The standard Remote Handset may be removed from the machine, and operated
effectively away from the issue site. The maximum recommended cable length is 30 Me-
tres.(100 Feet).
It is not recommended to plug/unplug the handset while the machine is still pow-
ered up. If this should occur, there is a possibility that the display will produce non read-
able characters if transmission is broken mid stream of a display update.
The rear panel of the machine is fitted with a 4 Pin ‘XLR’ connector which will allow
the connection of two 0 - 10 volt lines.
One line is of a switching characteristic for the activation of fog, simulating the
‘Smoke On’ switch, while the second line is for analog control of the ‘Flow Rate’.
Both lines can be used simultaneously for complete control, or either can be used
individually.
In the case of the ‘Flow Rate’ line being used alone, the ‘Smoke On’ switch will be
required to be set in the ‘On’ position, and a definite 0 volt condition available from the
controller to switch the fog output off.
No special selection of rear panel control switches is required for this mode of
operation.
The Pin Assignment for the connector port labeled 0-10 v Control are as follows:
Pin 1 Common
Pin 2 Smoke On 0- 10V
Pin 3 Flow 0- 10 V
Pin 4 (Not used)
Analog 0-10V Control
7
Remote and External Control Features
Analog 0-10V Control
0-10V Control Pin Assignment
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If it is required for a machine to accept ‘Flow Rate’ data from an ‘upstream’ unit,
then the ‘Flow Accept’ switch on this machine must be active.
If it is required for a machine to accept the ‘Smoke On’ switch data from an ‘up-
stream’ unit, then the ‘Smoke Accept’ switch on this machine must be active.
If it is required to control the next ‘downstream’ machine with the ‘timer’ control of
the local machine then the ‘Send Timer’ switch must be active.
Using these various switching options will allow flexibility in a link up pattern, and
enable individual machine setup without the need to break the linking path.
The two modes of operation that can be performed by the G300 machine are
unique in their operating characteristics. They allow distinctly different fluid types to be
used for a wide range of effects.
As stated repeatedly throughout this operations manual, ‘Hazing’ type fluid should
not be used in the Hi-Power G300 Fog Mode. Although actual machine damage will not
result, long term performance will suffer as a result.
Changing modes of operation is effected at the point of switch on, and re-selection
of the Hi-Power Fog mode at the time of Fluid replacement.
This facility is available for the purpose of multi-machine control.
The rear panel of the machine is fitted with two 5 Pin ‘XLR’ connectors for ‘daisy chaining’
any number of machines.
Three selector switches above the Remote panel control various available options.
Please note that the protocol of the communication is exclusive to the G300.
Linking cable should be of high quality screened data type.
Communication is dealt with via opto-coupled links, which will isolate ground potential,
but it should be remembered that if the cable is grounded at both ends, then any ground
voltage difference could convert to high current paths between machines via this screen.
8
Linking Switch Setting Options
G300/ Haze - Mode Changing
Machine to Machine Linking
Altri manuali per G300
2
Indice
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