Phcbi MBR-107D Operating instructions
- Category
- Fridges
- Type
- Operating instructions
This manual is also suitable for
Please read the operating instructions carefully before using this product, and keep the operating
instructions for future use.
See page 29 for all model numbers.
Operating Instructions
Blood Bank Refrigerator
2
CONTENTS
INTRODUCTION P. 3
PRECAUTIONS FOR SAFE OPERATION P. 4
ENVIRONMENTAL CONDITIONS P. 7
REFRIGERATOR COMPONENTS P. 8
Control panel P. 10
INSTALLATION SITE P. 12
INSTALLATION P. 13
CAUTIONS FOR USAGE P. 14
START-UP OF UNIT P. 15
Adjustment of shelves P. 15
OPERATION CONTROL P. 16
REMOTE ALARM TERMINAL P. 16
TEMPERATURE RECORDER
Usage of temperature recorder P. 17
Setting of temperature recorder P. 17
ROUTINE MAINTENANCE
Cleaning of cabinet P. 19
Cleaning of evaporating tray P. 19
Replacement of fluorescent light P. 20
TROUBLESHOOTING P. 21
REPLACEMENT OF BATTERY P. 22
DISPOSAL OF UNIT P. 23
Recycle of battery P. 23
Decontamination of unit P. 23
SPECIFICATIONS P. 28
PERFORMANCE P. 29
SAFETY CHECK SHEET P. 30
3
INTRODUCTION
Read the operating instructions carefully before using the appliance and follow the instructions for
safety operation.
PHC Corporation never guarantees any safety if the appliance is used for any objects other than
intended use or used by any procedures other than those mentioned in the operating instructions.
Keep the operating instructions in an adequate place to refer to it as necessary.
The contents of the operating instructions will be subjected to change without notice due to the
improvement of performance or functions.
Contact our sales representative or agent if any page of the operating instructions is lost or page order
is incorrect.
Contact our sales representative or agent if any point in the operating instructions is unclear or if there
are any inaccuracies.
No part of the operating instructions may be reproduced in any form without the expressed written
permission of PHC Corporation.
IMPORTANT NOTICE
PHC Corporation guarantees this product under certain warranty conditions. However, please note that
PHC Corporation shall not be responsible for any loss or damage to the contents of the product.
4
PRECAUTIONS FOR SAFE OPERATION
It is imperative that the user complies with the operating instructions
as it contains important safety advice.
Items and procedures are described so that you can use this unit correctly and safely.
If the precautions advised are followed, this will prevent possible injury to the user and
any other person.
Precautions are illustrated in the following way:
WARNING
Failure to observe WARNING signs could result in a hazard to personnel
possibly resulting in serious injury or death.
CAUTION
Failure to observe CAUTION signs could result in injury to personnel and
damage to the unit and associated property.
Symbol shows;
This symbol means caution.
This symbol means an action is prohibited.
This symbol means an instruction must be followed.
Be sure to keep the operating instructions in a place accessible to users of this unit.
< Label on the unit >
This mark is labeled on the cover in which the electrical components of high voltage
are enclosed to prevent the electric shock.
The cover should be removed by a qualified engineer or service personnel only.
5
PRECAUTIONS FOR SAFE OPERATION
Do not use the unit outdoors. Current leakage or electric shock may result if the unit is exposed to
rain water.
Only qualified engineers or service personnel should install the unit. The installation by
unqualified personnel may cause electric shock or fire.
Install the unit on a sturdy floor and take an adequate precaution to prevent the unit from
turning over. If the floor is not strong enough or the installation site is not adequate, this may result
in injury from the unit falling or tipping over.
Never install the unit in a humid place or a place where it is likely to be splashed by water.
Deterioration of the insulation may result which could cause current leakage or electric shock.
Never install the unit in a flammable or volatile location. This may cause explosion or fire.
Never install the unit where acid or corrosive gases are present as current leakage or electric
shock may result due to corrosion.
Always ground (earth) the unit to prevent electric shock. If the power supply outlet is not
grounded, it will be necessary to install a ground by qualified engineers.
Never ground the unit through a gas pipe, water main, telephone line or lightning rod. Such
grounding may cause electric shock in the case of an incomplete circuit.
Connect the unit to a power source as indicated on the rating label attached to the unit. Use
of any other voltage or frequency other than that on the rating label may cause fire or electric shock.
Never store volatile or flammable substances in this unit if the container cannot be sealed. These
may cause explosion or fire.
Do not insert metal objects such as a pin or a wire into any vent, gap or any outlet on the unit.
This may cause electric shock or injury by accidental contact with moving parts.
Use this unit in safe area when treating the poison, harmful or radiate articles. Improper use
may cause bad effect on your health or environment.
Turn off the power switch (if provided) and disconnect the power supply to the unit prior to any
repair or maintenance of the unit in order to prevent electric shock or injury.
Do not touch any electrical parts (such as power supply plug) or operate switches with a wet
hand. This may cause electric shock.
WARNING
6
PRECAUTIONS FOR SAFE OPERATION
Ensure you do not inhale or consume medication or aerosols from around the unit at the time of
maintenance. These may be harmful to your health.
Never splash water directly onto the unit as this may cause electric shock or short circuit.
Never put containers with liquid on the unit as this may cause electric shock or short circuit when
the liquid is spilled.
Never bind, process, or step on the power supply cord, or never damage or break the power
supply plug. A broken supply cord or plug may cause fire or electric shock.
Do not use the supply cord if its plug is loose. Such supply cord may cause fire or electric shock.
Never disassemble, repair, or modify the unit yourself. Any such work carried out by an
unauthorized person may result in fire, or electric shock or injury due to a malfunction.
Disconnect the power supply plug if there is something wrong with the unit. Continued
abnormal operation may cause electric shock or fire.
When removing the plug from the power supply outlet, grip the power supply plug, not the cord.
Pulling the cord may result in electric shock or fire by short circuit.
Disconnect the power supply plug before moving the unit. Take care not to damage the power
cord. A damaged cord may cause electric shock or fire.
Disconnect the power plug when the unit is not used for long periods. Keeping the connection
may cause electric shock, current leakage, or fire due to the deterioration of insulation.
If the unit is to be stored unused in an unsupervised area for an extended period, ensure that
children do not have access and that doors cannot be closed completely.
The disposal of the unit should be accomplished by appropriate personnel. Remove doors to
prevent accidents such as suffocation.
Do not put the packing plastic bag within reach of children as suffocation may result.
Do not place this unit in a location where it is difficult to disconnect the power supply plug.
Failure to disconnect the power supply plug may cause fire in the event of a problem or malfunction.
WARNING
7
PRECAUTIONS FOR SAFE OPERATION
This unit must be plugged into a dedicated circuit protected by branch circuit breaker.
Use a dedicated power source as indicated on the rating label attached to the unit. A
multiple-tap may cause fire resulting from abnormal heating.
Connect the power supply plug to the power source firmly after removing the dust on the plug.
A dusty plug or improper insertion may cause a heat or ignition.
Never store corrosive substances such as acid or alkali in this unit if the container cannot be
sealed. These may cause corrosion of inner components or electric parts.
Check the setting when starting up of operation after power failure or turning off of power
switch. The stored items may be damaged due to the change of setting.
Be careful not to tip over the unit during movement to prevent damage or injury.
Prepare a safety check sheet when you request any repair or maintenance for the safety of service
personnel.
ENVIRONMENTAL CONDITIONS
This equipment is designed to be safe at least under the following conditions (based on the IEC 61010-1):
Indoor use;
Altitude up to 2000 m;
Temperature 5 oC to 40 oC;
Maximum relative humidity 80 % for temperature up to 31 oC decreasing linearly to 50 % relative
humidity at 40 oC;
Mains supply voltage fluctuations up to ±10 % of the nominal voltage;
Transient overvoltages up to the levels of OVERVOLTAGE CATEGORY II;
Temporary OVERVOLTAGES occurring on the mains supply;
Applicable pollution degree of the intended environment (POLLUTION DEGREE 2 in most cases);
CAUTION
8
REFRIGERATOR COMPONENTS
1
22
21
20
19
17
16
18
15
14
13
12
2
3
4
5
6
7
8
9
10
11
9
REFRIGERATOR COMPONENTS
1. Control panel: Digital thermometer, fluorescent light switch, door check lamp, power failure and
temperature warning device.
2. Door switch: Stops the air circulation fan when the door is opened to prevent the loss of cold air.
Also activates the door check lamp.
3. Air circulation fan: Located inside, at the top of the unit.
4. Glass window: This 3-layer heat-rays absorbing glass window prevents heat-rays from entering the
unit.
5. Inner doors: Small transparent doors are provided for making the items on the wire shelf accessible
by merely opening one of them.
6. Magnet door seal: Ensures a tight door seal and prevents loss of air.
7. Wire shelves: The shelves can be adjusted vertically. For normal use, adjust the shelves to match
the inner doors.
8. Door: With self-closing mechanism. Magnet door seal ensures a tight seal being formed when the
door is closed.
9. Temperature recorder
10. Kick plate: When the unit is placed close to the wall, the kick plate functions as an air outlet.
11. Evaporating tray: Located behind the kick plate. Water condensed on the cooler collects on the
evaporating tray and evaporates automatically inside the refrigerator.
12. Air intake duct: For cooling the compressor etc.
13. Leveling feet: There are 4 leveling feet, one on each corner. Used to adjust the leveling and height
of the unit.
14. Switch cover: Power switch and fuse are located here.
15. Air inlet: Located below the bottom shelf. Do not remove the stainless steel panel from the bottom
shelf.
16. Access port: Through this port the measuring cable can be inserted.
17. Magnetic catch: Seals the door with the cabinet.
18. Temperature sensor for temperature recorder
19. Air outlet: Air used for cooling is released through the outlet.
20. Shade: Protects the fluorescent light.
21. Lock
22. Cabinet
10
REFRIGERATOR COMPONENTS
Control panel
1. Power switch (except CE model)
By putting this switch in ON position, power is supplied to mechanical part and machine starts its
operation.
2. Fuse (except CE model)
This protects the unit when the electric current is abnormal. The fuse is a glass tube type. (When power
is AC 100 V to AC 120 V, the fuse is 6.4 mm in diameter, 30 mm long; AC 125 V and 10 A. When power
is AC 220 V to AC 240 V, the fuse is the same in size; AC 250 V and 6 A.
3. Temperature recorder
1) Temperature recording
This temperature recorder operates for about one year with size “C” or “R14” dry cell battery. A roll of
recording paper can be used for one month. Temperature from +20
oC to -6 oC is recorded in increment
of 1 oC. Since it is a pressure sensitive type, there is no need to supply ink.
2) Temperature warning setting
In window of this temperature recorder, upper limit alarm indicator (red needle) is set at about 6 oC and
lower limit alarm indicator (blue needle) is set at about 2 oC. Both needles are fixed in place. If the
yellow needle (inside temperature indicator) is between the other two needles, the inside temperature is
normal. If the yellow needle is higher than the upper-limit warning device will be activated. For
handling details of temperature recorder, see section “TEMPERATURE RECORDER” in pages 17-18.
Model without CE mark
3 2 1
Model with CE mark
34
78
5 6
12 11 9
10
11
REFRIGERATOR COMPONENTS
4. Power switch with circuit breaker (CE model)
By setting this switch in “I” position, power is supplied to mechanical part and machine starts its operation.
When the operation of the unit is stopped by this breaker, please contact with dealer or the service station
after disconnecting the power supply plug.
5. Alarm lamp
This lamp blinks when power supply to refrigerator is interrupted. Also, when temperature in
temperature sensing element of the automatic temperature recorder becomes above about 6 oC or below
about 2 oC, this lamp blinks.
6. Buzzer
This buzzer sounds when power supply to refrigerator is interrupted. Also, when temperature in sensing
element of the automatic temperature recorder becomes above about 6 oC or below about 2 oC, this
buzzer sounds.
7. Door check lamp
This lamp is lit when the door is open.
8. Digital thermometer
This thermometer indicates temperature of air within refrigerator. It is integrated with temperature
regulating circuit. Since in this refrigerator cooling and heating are repeated to keep constant
temperature, digital indication goes down around 4 oC.
9. Fluorescent lamp switch
Fluorescent light inside refrigerator is lit by putting this in ON position.
10. Buzzer switch
When this switch is put in OFF position, buzzer will not sound. Alarm is indicated only by lamp.
11. Alarm switch (also used as reset switch)
Turn on this switch to activate the warning device. Turn it off to deactivate the alarm system. This switch
is also used as rest switch. To reset the warning device while it is functioning only at an inside
temperature between 6 oC and 2 oC, turn the alarm switch off and then turn it on again.
12. Alarm test switch
This switch is used to check if warning device operates normally while operating refrigerator. Warning
device is normal if by pressing this switch alarm lamp is lit and buzzer sounds.
12
INSTALLATION SITE
To operate this unit properly and to obtain maximum performance, install the unit in a location with the
following conditions:
A location not subjected to direct sunlight
Do not install the unit under direct sunlight. Installation in a location subjected to direct sunlight cannot
obtain the intended performance.
A location with adequate ventilation
Leave at least 10 cm around the unit for ventilation. Poor ventilation will result in a reduction of the
performance and consequently the failure.
A location away from heat generating sources
Avoid installing the unit near heat-emitting appliances such as a heater or a boiler etc. Heat can
decrease the intended performance of the unit.
A location with little temperature change
Install the unit under stable ambient temperature. Installing the unit under unstable ambient temperature
may result in unstable performance.
A location with a sturdy and level floor
Always install the unit on a sturdy and level floor. The uneven floor or tilted installation may cause failure
or injury. Install the unit in stable condition to avoid the vibration or noise. Unstable condition may
cause vibration or noise.
WARNING
Install the unit on a sturdy floor. If the floor is not strong enough or the installation site is not
adequate, this may result in injury from the unit falling or tipping over.
Select a level and sturdy floor for installation. This precaution will prevent the unit from tipping.
Improper installation may result in water spillage or injury from the unit tipping over.
A location not prone to high humidity
Install the unit in the ambient of 80 % R.H. or less humidity. Installation under high humidity may cause
current leakage or electric shock.
WARNING
Do not use the unit outdoors. Current leakage or electric shock may result if the unit is exposed to
rain water.
Never install the unit in a humid place or a place where it is likely to be splashed by water.
Deterioration of the insulation may result which could cause current leakage or electric shock.
A location without flammable or corrosive gas
Never install the unit in a flammable or volatile location. This may cause explosion or fire or may result
in the current leakage or electric shock by the corrosion of the electrical components.
A location without the possibility of anything fall
Avoid installing the unit in the location where anything can fall down onto the unit. This may cause the
breakdown or failure of the unit.
13
INSTALLATION
1. Removing the packaging materials and tapes
Remove all transportation packaging materials and tapes.
Open the doors and ventilate the unit. If the outside
panels are dirty, clean them with a diluted neutral
dishwashing detergent. (Undiluted detergent can damage
the plastic components. For the dilution, refer to the
instruction of the detergent.) After the cleaning with the
diluted detergent, always wipe it off with a wet cloth.
Then wipe off the panels with a dry cloth.
Note:
Remove the cable tie banding the power supply cord.
Prolonged banding may cause the corrosion of the cord
coating.
2. Adjusting the leveling feet
Extend the leveling feet by rotating them counterclockwise
to contact them to the floor. Ensure the unit is level.
See Fig. 1.
3. Fixing the unit
Two hooks are attached to the rear of the cabinet. Fix the
cabinet to the wall with these hooks and rope or chain.
See Fig. 2.
4. Ground (earth)
The ground (earth) is for preventing the electric shock in the case of the electrical insulation is somehow
degraded. Always ground the unit at the time of installation.
WARNING
Use a power supply outlet with ground (earth) to prevent electric shock. If the power supply outlet is
not grounded, it is necessary to install a ground by qualified engineers.
Never ground the unit through a gas pipe, water main, telephone line or lightning rod. Such
grounding may cause electric shock in the case of an incomplete circuit.
hook
Fig. 2
Fig. 1
14
CAUTIONS FOR USAGE
First, operate the unit on a trial run basis referring to the “Start-up of unit”. Check that the unit is
operating properly before placing anything inside the chamber.
As the chamber temperature is maintained at 4 oC ± 1 oC through the circulation of forced air, do not
block inlet or outlet for air. Make sure no unrelated items or papers enter the air inlet.
Proper space should be provided between the items inside the unit to allow air circulation.
Check that the door and inner door are closed tightly. If the door is not completely closed, the door
check lamp lights. A bent, ruptured or twisted door gasket causes a space between the door and frame,
and inadequate cooling efficiency.
When the unit is first started or ambient temperature is high, the cabinet walls may become hot.
However, this condition does not denote a malfunction as the heat is due to the hot gases which are
piped around the unit to prevent condensation.
A fuse is provided under the power switch. Place the fuse after checking of the cause when the fuse
is blown. Make sure that the check is performed with no item in the chamber. (except for CE model)
Fix the shelves securely. Make sure the shelves are inserted firmly into the shelf support.
If an instrument requiring a power source is placed inside the cabinet, the cable can be led through the
access port on the cabinet. After installation, a rubber cap should be used to seal the access port.
Failure to do this can affect the temperature uniformity inside the cabinet and lead the condensation on
the outside of the access port.
Always turn off the fluorescent light when it is not necessary.
In case condensation forms on the front glass due to a high humidity environment, wipe it off with a soft
and dry cloth.
After the unit is placed in its final location, secure it using the leveling feet. Adjust them so that the
cabinet is vertical or slightly higher in the front.
When the unit is installed, the alarm may not be operated as the built-in nickel-cadmium battery is
completely discharged. This condition does not denote a malfunction. In this case, run the unit for
about 3 hours, then push the alarm test switch to check the battery condition. The unit must be in
operation for about 2 days before the battery is fully recharged after it has become completely
discharged.
Do not clean the unit with scrubbing brushes, acid, thinner, solvents powdered soap, cleanser or hot
water. These agents can scratch the paint or cause it to peel. Plastic and rubber parts can be easily
damaged by these materials, especially solvents. When a neutral detergent is used to clean the unit,
rinse thoroughly with a cloth soaked in clean water.
Never store corrosive materials such as acid or alkali unless the container is completely sealed up.
Corrosion may lead to failure of the unit in time.
15
START-UP OF UNIT
The following procedures should be adhered to for initial start-up and continuous operation
1. After enough ventilation, install the shelves. Use the stainless steel plate for the bottom shelf.
2. Leave the alarm and buzzer switches off and set the temperature recorder.
3. Connect unit to dedicated power supply and turn on the power switch. Do not put any product in the
unit at this time.
4. Allow the chamber temperature to fall to +4 oC. Check the chamber temperature by the indication of
the digital thermometer.
5. When the chamber temperature drops to +4 oC, turn on the alarm and buzzer switches. Make sure
that the automatic temperature recorder indicates the temperature correctly.
6. Press the alarm test switch to check the warning device functions properly.
7. Turn on the fluorescent light switch to check the light.
8. When you are satisfied that the unit is working correctly, begin slowly placing product into the chamber
to minimize the temperature rise.
NOTICE
Door alarm by opening and closing the door
1. When the door is opened and remains open for less than 3 minutes and items are removed or replaced
gradually, the alarm will not be activated. But if the door is frequently opened or remains open for a long
time or many items are put in at the same time, the alarm will be activated. The alarm may also be
activated after replacing items and closing the door. This does not denote a malfunction. It is caused
by the circulation fan stopping while the door is open and starting when the door is closed.
2. When the alarm is activated, run the unit until the temperature indicator needle falls below the upper
limit (generally it takes 10 to 30 minutes). Reset by turning the alarm switch off and turning it on again.
The buzzer switch can be turned off while you are waiting for the temperature drop. After the chamber
temperature falls to adequate value, be sure to turn on the buzzer switch again.
Adjustment of shelves
The shelves can be adjusted to the height of items place
inside. To adjust the height, insert the shelf support into
the slots at the desired height.
16
OPERATION CONTROL
Temperature control
This unit is set at the factory to maintain the proper chamber temperature (4 oC ± 1 oC). No temperature
adjustment is necessary.
Defrost
The heater built-in the condenser automatically defrosts during operation. There is no need for routine
defrosting of the unit.
Alarm devices
This unit indicates malfunction with the lamp and the buzzer under the following conditions:
1) The power supply fails because of a power failure, an unplugged power cord, or a blown fuse etc.
2) The chamber temperature is above 6 oC or below 2 oC. The warning activation temperatures are set
by the warning activation indicators which are fixed in the automatic temperature recorder.
Temperature alarm
If the warning device is activated, it will continue to be activated even if the chamber temperature returns
to normal. The alarm can be deactivated only when the chamber temperature returns to a level between
the upper and lower limit (between 6 oC and 2 oC) and the alarm switch is turned off. After the reset,
make sure to set the alarm switch to on again.
Protective circuit
If the temperature controller malfunctions, or if the chamber temperature falls or rises, the unit is designed
so that the chamber temperature will be controlled by the warning activation indication needles in the
automatic temperature recorder. The chamber temperature will be maintained at about 2 oC, if it falls or
at about 6 oC if it rises. In this case, the temperature alarm will continue to function.
In case of power failure, compressor malfunction, the above temperature will not be maintained even if
the protective circuit is activated.
NOTE
The battery for power failure alarm is an article for consumption. It is recommended that the battery will
be replaced about every 3 years. Contact our sales representative or agent at the time of replacement
of the battery for recycling.
REMOTE ALARM TERMINAL
The remote alarm terminal is installed at the rear top of the
cabinet.
The remote alarm terminal is a contact output. When an
alarm is generated, the contact turns ON. The contact’s
capacity is AC 120 V 1 A, or DC 30 V 1 A.
1. Remove the screws holding the rear cover.
2. Make connections to the terminal, taking care to connect
the wires correctly.
Remote alarm
terminal
17
TEMPERATURE RECORDER
Usage of temperature recorder
The temperature recorder is operated for about one year with size “C” or “R14” battery. A roll of
recording paper can be used for one month. Temperature from +20
oC to -6 oC is recorded in increment
of 1 oC. Since it is of a pressure sensitive type, it is not necessary to supply ink.
Temperature alarm setting
In window of this temperature recorder, upper limit alarm indicator (red needle) is set at about 6 oC and
lower limit alarm indicator (blue needle) is set at about 2 oC. Both needles are fixed in place. When the
yellow needle (chamber temperature indicator) is between the other two needles, the chamber
temperature is normal. If the yellow needle is higher than the upper limit or lower than the lower limit,
the alarm device will be activated.
Setting of temperature recorder
As shown in the Fig. 1, pull the knob on the upper part of
the temperature recorder forward to change the recording
paper or battery.
Setting of recording paper
1. The information on the recording paper is shown in Fig.
2.
2. Pull the marking cartridge up after opening the top lid.
See Fig. 3. The lid can be opened by turning the knob
counterclockwise.
3. As shown in Fig. 4, insert the recording paper with the
“begin” tab placed in the marking cartridge. Check that
the printed side is facing out.
4. Place the recording paper beneath the arm and between
the plate spring and guide plate in the direction of the
arrow.
Note:
Do not scratch or put pressure on the recording paper.
Do no bend the recording paper.
Do not reverse the recording paper manually.
Fig. 1
Fig. 2
Fig. 3
Fig. 4
18
TEMPERATURE RECORDER
The used recording paper left in the used recording paper
compartment can cause a malfunction. Be sure to
remove it. See Fig. 5.
5. Place the recording paper between the guide and the
guide plate. Slide the recording paper along the guide
plate so that the recording paper will not be forced out of
the date/hour slot. See Fig. 6.
6. After ascertaining that the holes on the side of the
recording paper are locked into the teeth of the sprocket,
turn the gear and send the recording paper into the used
recording paper compartment.
Setting of time
1. Turn the gear on the date/hour slot to the desired time.
2. After properly folding the recording paper in the used or
unused recording paper compartment, replace the marking
cartridge.
Removing of the used recording paper
After recording, take out the marking cartridge and remove
the recording paper from the recording paper outlet. If not
all of the recording paper has been fed into the used
recording paper compartment, send all the recording paper
in the compartment first turning the gear.
Battery change
To change the battery, turn the knob counterclockwise to
open the lid. Place the battery in the battery case
according to the plus-minus indications on the bottom of
the battery case. At the time of the first use, remove the
tape sealing the battery pole. See Fig. 7.
Note:
This temperature recorder is designed for the manganese dry cell and the alkaline dry cell. Do not use a
rechargeable battery because the initial voltage of such battery is low. The rechargeable battery may
cause the malfunction of temperature recorder or shorten the battery life significantly.
Start-up
1. The quartz motor is started by placing a “R14” or size “C” dry cell battery in the battery case.
2. Check the operation of the recorder using the quartz motor rotation check gear.
3. Change the battery once a year.
Stopping
The temperature recorder is stopped by taking the battery out of the battery case.
Fig. 5
Fig. 6
Fig. 7
19
ROUTINE MAINTENANCE
WARNING
Always disconnect the power supply to the unit prior to any repair or maintenance of the unit in
order to prevent electric shock or injury.
Ensure you do not inhale or consume medication or aerosols from around the unit at the time of
maintenance. These may be harmful to your health.
CAUTION
Always wear dry gloves to protect hands at the time of maintenance. Failure to wear gloves may
result in injury from edges and corners.
Cleaning of cabinet
Clean the unit once a month. Regular cleaning keeps the unit looking new.
Use a dry cloth to wipe off small amounts of dirt on the outside and inside of the unit and all
accessories. If the outside panels dirty, clean them with a diluted neutral dishwashing detergent.
(Undiluted detergent can damage the plastic components. For the dilution, refer to the instruction of the
detergent.) After the cleaning with the diluted detergent, always wipe it off with a wet cloth. Then wipe
off the cabinet or accessories with a dry cloth.
Never pour water onto or into the unit. Doing so can damage the electric insulation and cause failure.
The compressor and other mechanical part are completely sealed. This unit requires absolutely no
lubrication.
Cleaning of evaporating tray
1. The evaporating tray is located behind the kick plate.
2. Remove the evaporating tray from the tray supporting
plate by lifting in up.
3. Wipe the evaporating tray with a dry cloth.
4. When replacing the evaporating tray, make sure that the
evaporating pipe is in the evaporating tray.
5. Fix the evaporating tray to the tray supporting plate by
inserting the guide of the tray into the slot of the tray
supporting plate.
6. Push the evaporating tray down by hand.
20
ROUTINE MAINTENANCE
Replacement of fluorescent light
1. Remove the two screws below the shade.
2. The fluorescent light can be removed by gently pulling it
down.
3. Insert a new fluorescent light bulb after removing the old
one from the socket.
4. Be sure to insert the bulb in the right place.
5. Secure the shade with the 2 screws.
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Phcbi MBR-107D Operating instructions
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