Olympus U-RFLT50 User manual

INSTRUCTIONS
This instruction manual only covers the Olympus Power Supply Unit U-RFLT50. To ensure the safety,
obtain optimum performance and, to familiarize yourself fully with the use of this power supply unit,
we recommend that you also study the instruction manual for the microscope to be used. Retain
this instruction manual in an easily accessible place near the work desk for future reference.
A X 7 1 3 1
U-RFLT50
POWER SUPPLY UNIT

i
INPORTANT
SAFETY PRECAUTIONS
This mercury burner power supply unit is only designed for use with Olympus mercury burner light source
attachments. When using this power supply unit, always refer to the instruction manual for the CX-RFL,
CH-RFL, etc., reflected light fluorescence module.
1. The applicable lamp housing is a mercury burner configuration Olympus lamp housing (U-LH50HG).
2. Always press the main switch to “ ” (OFF) before connecting/disconnecting the power cord to/from the wall outlet.
3. The power supply unit contains high voltage components. To avoid a potential shock hazard, never attempt to disassemble
the unit.
4. To avoid a potential shock hazard, be sure to ground the equipment. If the equipment is not grounded, Olympus can
no longer warrant the electrical safety and performance of the equipment.
5. The high pressure mercury burner (mercury arc lamp) should be an HBO50W/AC burner (mfd. by OSRAM) or a CS50W4
burner (mfd. by PHILIPS).
6. Before opening the lamp housing for replacement of the burner or other internal parts, press the main switch to “ ”
(OFF) and unplug the lamp housing connecting cord plug from the output connector on the power supply unit. Allow 10
minutes or more for the burner and lamp housing to cool before touching.
7. Do not open the lamp housing while the burner is turned on or for at least 10 minutes after it is turned off. Lamp housing
parts will be extremely hot and will cause burns if touched.
8. Do not reverse the upside/down side of the lamp housing or mount it in a tilted position. The surfaces of the lamp
housing will become extremely hot during operation. When installing the microscope, make sure to allow ample free
space around and in particular above and below the lamp housing.
9. Always follow national and local laws when discarding a mercury burner.
10. The attachment should only be covered with the dust cover after the lamp housing has cooled and the power cord has
been disconnected from the wall outlet.
11. Always use the power cord provided by Olympus. If on power cord is provided, please select the proper power cord by
referring to the section “PROPER SELECTION OF THE POWER SUPPLY CORD” at the end of this instruction manual. If the
proper power cord is not used, Olympus can no longer warrant the electrical safety and performance of the equipment.
12. The power supply’s built-in lithium battery (for the burner life time hour counter) should be replaced by your Olympus
representative. When disposing of the power supply, always follow national and local laws and guidelines for disposal
of equipment with built-in lithium batteries.

ii
Safety Symbols
Warning Labels
The following symbols are found on the attachment. Study the meaning of the symbols, and always use the equipment
in the safest possible manner.
Warning labels are affixed at positions where special precaution is required when handling and using the attachment.
Always heed the warnings.
Warning Indication Position Light Lamp Housing
U-LH50HG
[Warning Against
High Temperature]
Symbol Explanation
Indicates that the surface becomes hot, and should not be touched with bare hands.
Before use, carefully read the instruction manual. Improper handling could result in injury to
the user and/or damage to the equipment.
Indicates a potential fire hazard; when replacing fuses, be sure replacement fuse is of the
specified rating.
Indicates that the main switch is ON.
Indicates that the main switch is OFF.
1 Getting Ready
1. The attachment is a precision instrument. Handle it with care and avoid subjecting it to sudden or severe impact.
2. Do not use the attachment where it is subjected to direct sunlight, high temperature and humidity, dust or vibrations.
(For operating environment conditions, refer to and adhere to the conditions specified in Section 4, SPECIFICATIONS on
page 6.)
3. Make certain that the burner is installed correctly and that all cords are correctly connected.
4. Do not attempt to force any control beyond its built-in limit (stopper, click-stop, etc.). Avoid using excessive force.

iii
2 Maintenance and Storage
1. To clean the lenses and other glass components, simply blow dirty away using a commercially available blower and
wipe gently using a piece of cleaning paper (or clean gauze).
If a lens is stained with fingerprints or oil smudges, wipe it gauze slightly moistened with commercially available absolute
alcohol.
Since the absolute alcohol is highly flammable, it must be handled carefully.
Be sure to keep it away from open flames or potential sources of electrical sparks --- for example, electrical
equipment that is being switched on or off.
Also remember to always use it only in a well-ventilated room.
2. The mercury burner has a service life of approx. 100 hours. When the hour counter on the power supply unit indicates
100 hours, replace the burner with a new one. (See page 3.)
3. If a dichroic mirror cube is not going to be used for a while, place it in its container and store it in a safe place.
3 Caution
If the attachment is used in a manner not specified by this manual, the safety of the user may be imperiled. In addition,
the equipment may also be damaged. Always use the equipment as outlined in this instruction manual.
The following symbols are used to set off text in this instruction manual.
: Indicates that failure to follow the instructions in the warning could result in bodily harm to the
user and/or damage to equipment (including objects in the vicinity of the equipment).
#: Indicates that failure to follow the instructions could result in damage to equipment.
} : Indicates commentary (for ease of operation and maintenance).
Compliance
This device complies with the requirements of both directive 2004/108/EC concerning electromagnetic
compatibility and directive 2006/95/EC concerning low voltage. The CE marking indicates compliance
with the above directives.
Safety and EMC Precautions
1. Use only power cord which OLYMPUS specifies. Otherwise the safety and EMC performance of the product
can not be assured.
2. Be sure to ground the product. Otherwise our intended electric safety and EMC performance of the product
can not be assured.

U-RFLT50
CONTENTS
1 NOMENCLATURE 1
2 ASSEMBLY 1
3 PREPARATION FOR OBSERVATION 5
4 SPECIFICATIONS 6
5 TROUBLESHOOTING GUIDE 7
3-1 Turning ON the Mercury Burner........................................................................................................................................ 5
3-2 Centering the Mercury Burner ............................................................................................................................................ 5
2-1 Assembly Diagram.............................................................................................................................................................................. 1
2-2 Mounting the Mercury Burner.............................................................................................................................................. 2
2-3 Setting the Voltage Selector Switch........................................................................................................................... 3
2-4 Connecting Cords and Cables.......................................................................................................................................... 4
nPROPER SELECTION OF THE POWER SUPPLY CORD....................................................................... 8

1
1
1
2
2
NOMENCLATURE
ASSEMBLY
# The depth dimensions of the 100V and 200V models differ.
2-1 Assembly Diagram
Reset button
Burner life time
hour counter
Main switch Starter reset switch
Frequency
selector switch
Voltage selector
switch
Fuse holder
AC receptacle
Burner type selector
Output socket
for lamp housing
Only use for
U-LH50HG.
Reflected light
fluorescence vertical
illuminator
CX-RFA
CH3-RFA, etc.
Lamp housing
U-LH50HG
Mercury burner
Power cord
Power supply unit
U-RFLT50

2
U-RFLT50
Fig. 3
Fig. 2
Fig. 1
2-2 Mounting the Mercury Burner (Figs. 1-4)
²
³
|
ƒ
UP
ƒ
þApplicable Burner ý
HBO50W/AC (OSRAM)
CS50W4 (PHILIPS)
}The type of burner should be registered in the power supply unit.
Accordingly, check the burner’s container or the burner socket indication
to see whether the burner is an L1or L 2type burner.
1. Using the Allen wrench, loosen the burner socket clamping screw @. Then
gently open the socket approximately 90° in the direction of the arrow.
2. Loosen the burner clamping screws ² and ³ and remove the transport
post.
}For burner replacement, remove the used burner.
3. Insert the side of the mercury burner | with no UP engraving into the
bottom terminal and tighten the clamping screw ² loosely. Then loosely
tighten the clamping screw ³ holding the UP side of the burner.
# The OSRAM mercury burner | has a projected seal section ƒ on the
burner tube. As insufficiency or irregularity in illumination may result
if this section blocks the light path, make sure that it comes on the
lamp socket side.
# If the terminals of the mercury burner are reversed, optimum illumi-
nation performance will not be obtainable. The burner life time may
also be reduced.
# Avoid leaving fingerprints or dirt on the mercury burner. Dust or other
contaminants left on the burner surface may lead to the appearance
of dark spots in the field of view. If the burner is contaminated, clean it
by wiping gently with gauze slightly moistened with absolute alcohol.
4. Return the burner socket with the mounted burner to its original position
and tighten the socket clamping screw @.
}A click will be heard when the socket clamping screw @ is tightened. This
sound indicates that the safety interlock switch is functioning correctly.
5. Set the burner type selector ƒ on the rear panel of the power supply unit
to the position corresponding to the mounted burner type (L1or L2).
# If the socket clamping screw @ is accidentally loosened while the
burner is ON, the safety interlock function will automatically turn OFF
the burner. To turn ON the burner again, press the power supply unit’s
main switch to “ ” (OFF) and wait approximately 10 minutes*.
Tighten the socket clamping screw firmly and press the main switch
to “ I” (ON).
*Approximately 10 minutes are required for the mercury vapor inside
the mercury burner to cool and condense to a liquid.
Caution When Replacing the Burner During or Immediately After
Observation
The surfaces of the lamp housing will be extremely hot during and
immediately after operation.
Whenever you replace the burner during use or right after use, first
press the main switch on the power supply unit to “ ” (OFF) and
wait for the lamp housing and parts near the burner to cool before
touching.
1

3
Fig. 5
Fig. 4
2-3 Setting the Voltage Selector Switch (Fig. 5)
1
1
2
6. Press the reset button @ on the power supply unit’s front panel to reset
the burner life indicator to “0.0”.
}The counter shows elapsed time in hours. In order not to impair the safety
of the equipment, replace the burner when the counter indicates “100.0”
hours.
# Make sure that the indicator is properly reset to “0.0”. The burner may
not start if the indicator is not properly reset.
To allow heat to escape, leave at least 10 cm free space around the
power supply unit.
1. Make sure that the voltage selector switch @ located on the rear panel of
the power supply unit is set to conform with the local AC mains voltage.
Use a flat-bladed screwdriver to move the switch if required.
2. Slide the frequency selector switch ² to the position conforming to the
local frequency.
# Improper setting of the selector switches may result in reduced burner
performance and/or cause it to crack.

4
U-RFLT50
Fig. 8
Fig. 7
Fig. 6
1
2
³
|
ƒ…
1
2-4 Connecting Cords and Cables (Figs. 6-8)
Cables and cords are vulnerable when bent or twisted. Never subject
them to excessive force as this may result in short-circuit.
Make sure the power supply unit’s main switch is on “ ” (OFF)
before connecting cords and cables.
1. Plug the burner socket connecting cord plug @ firmly into the output
socket ² on the power supply unit.
Only use for U-LH50HG.
Always use the power cord provided by Olympus. If no power cord
is provided, please select the proper power cord by referring to the
section “PROPER SELECTION OF THE POWER SUPPLY CORD” at the
end of this instruction manual.
2. Connect the power cord plug ³ to the AC receptacle | on the power
supply unit.
3. Plug the power cord plug ƒ into a wall outlet ….
Connect the power cord correctly and ensure that the ground terminal
of the power supply and that of the wall outlet are properly connected.
If the equipment is not grounded, Olympus can no longer warrant
the electrical safety and performance of the equipment.
Replacing the Fuses (Fig. 8)
# Always press the main switch to “ ” (OFF) and disconnect the
power cord from the wall outlet before replacing the fuses.
1. Using a flat-bladed screwdriver, turn each fuse holder @ counterclockwise
and pull it out.
2. Replace the two fuses with new ones.
# Use only specified fuses. Other fuse types may result in a fire.
Applicable fuse:
U-RFLT50-100
T4A(H)250V (LITTELFUSE 215004). Two fuses.
U-RFLT50-200
T2.5A(H)250V (LITTELFUSE 21502.5). Two fuses.

5
Fig. 9
3
3PREPARATION FOR OBSERVATION
1Turning ON the Mercury Burner
# Confirm that the power supply voltage setting, frequency setting, and
burner type setting are correct. Improper settings may reduce the
burner life time considerably.
Press the power supply unit’s main switch to “ I” (ON). Between 5 to 10
minutes are required for the arc to stabilize after the burner is ignited.
# Some mercury burners may not ignite the first time the power is turned
ON. If the burner does not ignite, the power supply unit’s starter safety
device will activate and should be reset. Press the main switch to
“ ” (OFF) once. Then insert the tip of a mechanical pencil, etc. into
the starter reset switch hole @ on the right hand side of the power
supply unit and press the switch inside. Then press the main switch
to “ I” (ON) again.
# To avoid shortening the life of the burner, do not turn the burner off
within 15 minutes of ignition. Use the shutter function to block light
if required.
# After turning the burner off, it cannot be re-ignited before the mercury
vapor cools and condenses to a liquid. Wait for about 10 minutes
before restarting the burner.
# The power supply unit has a limited operation life. Avoid burner
ignition switch operation when no burner is installed and do not
repeatedly turn on/off the burner with short intervals.
If the lamp housing is accidentally opened while the burner is
ignited, the safety interlock will activate and switch off the power
automatically. In this case press the main switch to “ ” (OFF) and
wait at least 10 minutes before turning the burner ON again. Always
leave to cool before opening the lamp housing.
Make sure that the burner life time hour counter is properly reset to
“0.0” when a new burner is installed. In order not to impair the safety
of the equipment, replace the burner when the counter shows “100.0”.
First press the main switch to “ ” (OFF) and then wait for at least
10 minutes until the lamp housing has cooled down. The mercury
burner contains high-pressured gas and the burner may explode if
used beyond the specified life time.
1
3-1 Turning ON the Mercury Burner
3-2 Centering the Mercury Burner
Center the mercury burner as described in the respective instruction manuals provided with the CX-RFL, CH-RFL, etc.
reflected light fluorescence attachments.