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Cooling Fan Manual
1. Safety Precautions
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To ensure that this fan is used safely, be sure that you read and understand the following
precautions fully and use it only as directed.
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Be sure to read these Safety Precautions carefully before installing, connecting, operating,
maintaining, or inspecting the fan. Follow all the precautions and directions given here.
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The fan has been designed and manufactured for built-in use in general industrial machiner y, and
might not be used otherwise.
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The fan falls into the Category 16 (Class 84, Item 14) of the Appended Table 1 of the Export
Trade Control Order. When exporting the fan either as a standalone item or as part of another
product, be sure to implement the necessary procedures including the “Informed Cases” and
“Objective Cases” based on the “Catch-All Controls” defined by the Ministry of Economy, Trade
and Industry of Japan.
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When disposing the fan, treat it as industrial waste. For instructions on proper disposal methods,
please contact local government authorities.
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When using the fan in equipment that could affect people’s lives or health, that is used on a car,
ship, or aircraft, or that could have a major impact on society or on the public, use it at your own
discretion only after deploying sufficient safety measures and making prior evaluation.
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Fully understand the Safety Precautions described in this document before using the product.
SANYO DENKI will not be liable for any accidents resulting in death, injury, or property damage
due to the failure of the fan.
Safety precautions necessary for preventing any possible bodily injury or
damage to property or equipment are ranked in two levels:
Note: Even those items marked ‘Caution’ might also result in serious consequences depending
on the situation. Be sure to observe them carefully to the same extent as items marked ‘Warning.’
Denotes hazards which could cause severe bodily injury or death as a result of
incorrect operation.
Denotes hazards which could cause bodily injury or property damage as a result of
incorrect operation.
Descriptions of the precautions to be taken to ensure safety are given below.
Warning
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When using the fan in the following equipment, use it at your own discretion only after
deploying sufficient safety measures and making prior evaluation.
Equipment that could affect people’s lives or health
Equipment that is used on a car, ship, or aircraft
Equipment that could have a major impact on society or on the public
SANYO DENKI will not be liable for any accidents involving human casualties (death,
injury, etc.) or property damage due to the failure of the fan while use in such
equipment.
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Ensure that wiring is done correctly. Failure to do so might result in fire, burns, or
electrical shock.
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If there are any grounding taps or wires, ground them securely. Failure to do so might
result in electric shock.
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Never use in explosive atmospheres, as doing so might result in fires, burns, or bodily
injury.
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Do not operate the fan with live parts exposed. Doing so might result in electric shock.
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Never allow any persons or objects to approach or come into contact with the fan's
rotor while in operation, as doing so might result in damage or personal injury.
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Turn off the power and stop using the fan immediately if you notice any sparks, smoke,
odd odors or sounds, or anything unusual during operation. Failure to do so might result
in fire, bodily injury, or electrical shock.
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Never allow the fan to fall, topple over, or be subjected to excessive shocks when
moving it. Doing so might result in product failure or performance deterioration.
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The fan should be handled by technically qualified personnel or someone with sufficient
expertise; the personnel shall be assigned at your own discretion.
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Never attempt to disassemble, repair, or alter the fan in any way, as doing so might
result in electrical shock, fire, or bodily injury.
Caution
Handling
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Installation, mounting, connections, wiring, and relocation of the fan should be done by
technically qualified personnel or someone with sufficient expertise; the personnel shall
be assigned at your own discretion.
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Never perform such work while the product is on, as this might lead to injury, electrical
shock, burns, or fire.
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Do not operate the fan if it is not secured, nor while held in hand.
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Never allow yourself to come into contact with the fan when measuring insulation
resistance or dielectric strength. There is danger of electric shock.
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Never attempt to disassemble or alter the fan in any way. Doing so might not only result
in substandard performance, but also fire, burns, bodily injury, or electrical shock.
Instruction
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Take protective measures for the equipment in which the fan is embedded in case the
fan stops, malfunctions, or fails during operation.
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Never use the fan at voltages, temperatures, or any other parameters exceeding
those given in the product specifications. Otherwise, it might result in substandard
performance, failure, fire, bodily injury, or electrical shock.
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Any specifications not listed in this document, such as fan or sensor behaviors after
the fan power is turned off, will not be covered by our warranty. Please contact us in
advance if you need to make any special arrangements for the specifications not listed
in the Product Specification.
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Using a power supply with insufficient capacity might result in faulty fan operation
because an inrush current several times larger than the rated current will flow at the
moment of fan startup. Be sure to use a power supply with sufficient capacity.
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Start all fans at the same time when two or more fans are positioned in equipment in
a way that creates wind interference. If the fan is exposed to wind from other fans at
startup, it might result in fan failure or faulty fan startup. Also, evaluate the influence to
individual fans in advance and use them at your own discretion.
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Never connect or disconnect lead wires, plug cords, or connectors while the power is
on. Be sure to connect or disconnect them while holding the frame only after power-off.
Otherwise, it might result in fan damage or electrical shock.
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Do not remove the lead wire of the fan from the frame hook. Doing so might scratch
and damage the surface of the lead wire.
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Do not remove the nameplate. Doing so might result in fan failure or electrical shock.
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Do not press down hard on the nameplate of the fan. Otherwise, the nameplate might
break or come into contact with the shaft, hindering proper operation.
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The fan might be damaged or burned out if foreign objects or external forces hinder
normal fan operation.
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Do not use the power supply's PWM to control the speed of the fan. Doing so might
result in fan malfunction.
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Do not turn the power on or off on the negative power line. Doing so might damage the
fan.
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Turning the power on and off frequently or turning the power back on before the fan
comes to a complete stop might result in fan failure or damage. Before conducting such
operations, fully evaluate the equipment in which the fan is embedded.
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The IP ratings of Splash Proof Fans apply only to the live electric parts and motor coils
of the fan in accordance with IEC 60529. The protection does not apply to the non-
live parts of the fan. If the fan is to be used for a long period of time in an environment
subject to dust, water, or condensation, take measures required for the operating
environment.
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Do not wash the fan during maintenance of equipment. Doing so might result in failure
of the fan.
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For DC fans, even if the positive and negative lead wires of the power supply are
connected in reverse, the fan will not be affected by the motor protection function.
However, when wiring fans with sensors or PWM speed control function, connecting
positive and negative leads in reverse may damage the fans.
Installation (Common to All Fans)
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Install and secure the fan properly with its weight and vibration during operation taken
into account. Failure to do so might result in bodily injury or equipment failure due to
the fan or its parts falling off.
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Ensure that the fan is installed in the right orientation. Failure to do so might result in
bodily injury or equipment failure.
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For the fan to perform to its full capacity, secure air vents and take measures to prevent
foreign objects from entering the fan. Failure to do so might result in bodily injury or fan
failure.
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Do not subject the fan to excessive shock. Doing so might result in failure or
substandard performance of the fan.
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Pulling or pinching lead wires might result in damage and stress to the wire. Also, make
connections so that the lead wires do not come into contact with the rotating blades.
Failure to do so might result in equipment failure or electrical shock.
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Take proper precautions against static electricity when wiring. Failure to do so might
cause failure of the fan or equipment.
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Take safety measures such as installing a finger guard and displaying a warning symbol
if there is any danger of fingers or objects coming into contact with the rotating blades.
Failure to do so might result in bodily injury or fan failure.
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When installing an inlet nozzle, finger guard, filter, or base plate to the fan, ensure that
they are positioned correctly according to the Product Specification, catalog, or other
specification documents so that they do not come into contact with the rotating blades.
Also, use the fan only after checking that the rotating blades do not come into contact
with anything. Otherwise, it might result in equipment failure.
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Please use only genuine SANYO DENKI inlet nozzles and finger guards.
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Make connections correctly in accordance with the information of the Product
Specification, catalog, or the label on the fan. Failure to do so might result in equipment
failure or the malfunction, failure, or performance degradation of the fan.
Installation (Axial Fan and Blower)
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When mounting the fan with screws, make sure that the screw and base plate will not
deform the frame of the fan before mounting. A deformed frame might result in failure
or substandard performance of the fan.
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When mounting the fan with screws, ensure that the screw tightening torque is
correct. If the tightening torque exceeds the recommended torque, the fan frame might
be deformed or damaged. Choose a ribbed frame model if mounting fans with plastic
frames through both sides of the frame with throughscrews. To prevent loose screws,
use plain washers or spring washers. For the screwing torque of each fan type, contact
SANYO DENKI or a SANYO DENKI distributor.
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Note that mounting the fan with self-tapping screws might damage the fan frame.
If using self-tapping screws, be sure to choose the screw that we recommend and
conduct evaluations before using it.
Installation (Centrifugal Fan)
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The fan shall be mounted with screws. For the screw size for each fan model, see the
Product Specification or catalog.
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Choose screws with the right length taking into account the fan mounting hole depth
and base plate thickness. Failure to do so might result in stripped screw holes and
improper fan mounting. For the mounting hole depth of each fan model, see the Product
M0011876C
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