IM-4055
Installation, Operation & Maintenance Manual
4
Unit Storage
If fan installation is to be delayed, store the unit in an environmentally stable and protected area. During storage, the fan should
any accidental impacts. Cover the fan to protect coatings and to prevent any foreign material or moisture from entering the inlet
or discharge. Take care to protect the motor.
circulation around the motor. The winding temperature should be kept slightly above that of the surroundings to prevent
If it is impossible to heat the windings, the motor should be wrapped tightly with a waterproof material that also encloses
several bags of desiccant. Replace the desiccant regularly to prevent moisture problems. The motor rotor should also be rotated
regularly (monthly) to assure the bearing parts are well greased. Consult the motor manufacturer for further detail on motor
storage and start up after longer periods of storage. It may be necessary to regrease the bearings.
General Installation
with the regulations of authorities having jurisdiction and
Verify that the impeller rotation is correct. It should be CW when
viewed from the shaft end (CCW from opposite shaft end).
installation instructions on the fans that utilize EC motors.
ensure it is below the nameplate amperage value.
1. Sheet metal parts, screws, clips and similar items inherently have sharp edges, and it is necessary that the installer and service
personnel exercise caution.
2. Surface temperatures of motor may reach temperatures that can cause discomfort or injury to personnel accidentally coming into
contact with hot surfaces. When installing, protection should be provided by the user to protect against accidental contact with hot
surfaces. Failure to observe this precaution could result in bodily injury.
3. This equipment contains voltages that may be as high as 1000 volts! Electrical shock can cause serious or fatal injury. Do not touch any
circuit board, power device or electrical connection before you rst ensure that the power has been disconnected. Always disconnect,
lock and tag power source before installing or servicing. Failure to disconnect power source can result in re, shock or serious injury.
CAUTION
Pacemaker danger – Magnetic or electromagnetic elds in
the vicinity of current carrying conductors and permanent
magnetic motors can result in a serious health hazard to
implants and hearing aids. To avoid risk, stay away from the
area surrounding a permanent magnet motor.
WARNING
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