Danfoss APP Series User Manual page 42

IOM electromotor - Hoyermotors
1. General 1. General
This manual concerns the following types of standard This manual concerns the following types of standard
induction motors from Hoyer: induction motors from Hoyer:
HMA2, HMC2, HMD, HMT, MS, Y2E1, Y2E2, YDT HMA2, HMC2, HMD, HMT, MS, Y2E1, Y2E2, YDT
These motors are manufactured in accordance with IEC/EN These motors are manufactured in accordance with IEC/EN
60034-4 and IEC/EN 60072. 60034-4 and IEC/EN 60072.
Motors are rated for the ambient temperature range -20°C Motors are rated for the ambient temperature range -20°C
to +40°C and site altitudes ≤1000 m above sea level. to +40°C and site altitudes ≤1000 m above sea level.
Low-voltage motors are components for installation in Low-voltage motors are components for installation in
machinery. They are CE marked according to the Low machinery. They are CE marked according to the Low
Voltage Directive 2006/95/EC Voltage Directive 2006/95/EC
2. Transport and storage 2. Transport and storage
Check the motor for external damage immediately upon Check the motor for external damage immediately upon
receipt and, if found, inform the forwarding agent right receipt and, if found, inform the forwarding agent right
away. Check all rating plate data, and compare it with the away. Check all rating plate data, and compare it with the
requirement of the motor. requirement of the motor.
Turn the shaft by hand to check free rotation, remove Turn the shaft by hand to check free rotation, remove
transport locking if used. transport locking if used.
Transport locking must be used again for internal transport Transport locking must be used again for internal transport
also. It is also important that transport locking is used when also. It is also important that transport locking is used when
motors are transported mounted on equipment. motors are transported mounted on equipment.
All motors should be stored indoors, in dry, vibration- and All motors should be stored indoors, in dry, vibration- and
dust-free conditions. dust-free conditions.
Lifting eyebolts must be tightened before use. Damaged Lifting eyebolts must be tightened before use. Damaged
eyebolts must not be used, check before use. Lifting eyes at eyebolts must not be used, check before use. Lifting eyes at
motor must not be used to lift the motor when it is attached motor must not be used to lift the motor when it is attached
to other equipment. to other equipment.
Before commissioning, measure the insulation impedance. Before commissioning, measure the insulation impedance.
If values are ≤ 10MΩ at 25°C, the winding must be oven dried. If values are ≤ 10MΩ at 25°C, the winding must be oven dried.
The insulation resistance reference is halved for each 20°C The insulation resistance reference is halved for each 20°C
rise in motor temperature. rise in motor temperature.
It is recommended that shafts are rotated periodically by It is recommended that shafts are rotated periodically by
hand to prevent grease migration. hand to prevent grease migration.
3. Installation 3. Installation
The motor must be fixed on a stable, clear and flat founda- The motor must be fixed on a stable, clear and flat founda-
tion. It must be sufficiently rigid to withstand possible short tion. It must be sufficiently rigid to withstand possible short
circuit forces. circuit forces.
It is important to ensure that the mounting conditions do It is important to ensure that the mounting conditions do
not cause resonance with the rotational frequency and the not cause resonance with the rotational frequency and the
doubled supply frequency. doubled supply frequency.
Only mount or remove drive components (pulley, coupling, Only mount or remove drive components (pulley, coupling,
etc.) using suitable tools, never hit the drive components etc.) using suitable tools, never hit the drive components
with a hammer as this will cause damage to the bearing. with a hammer as this will cause damage to the bearing.
The motor are balancing with half key, ensure that the drive The motor are balancing with half key, ensure that the drive
components are also the same. components are also the same.
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Hoyer Motors, Motor Manual, October 2011 Hoyer Motors, Motor Manual, October 2011
24
180R9230 / 521B1189 / DKCFN.PI.000.A1.02 / 10.2011
180R9267 / IOM APP 1.5-3.5 Appendices - v04 / 11.2013
Correct alignment is essential to avoid bearing, vibration Correct alignment is essential to avoid bearing, vibration
and shaft failure. and shaft failure.
Use appropriate methods for alignment. Use appropriate methods for alignment.
Re-check the alignment after the final tightening of the Re-check the alignment after the final tightening of the
bolts or studs. bolts or studs.
Check that drain holes and plugs face downwards. We Check that drain holes and plugs face downwards. We
recommend opening the drain hole for motors placed recommend opening the drain hole for motors placed
outdoors and not running 24 hours / day, so that the motor outdoors and not running 24 hours / day, so that the motor
can breathe, thus ensuring a dry motor. can breathe, thus ensuring a dry motor.
4. Electrical connection 4. Electrical connection
Work is only permitted to be carried out by qualified Work is only permitted to be carried out by qualified
specialists and must to be carried out in accordance with specialists and must to be carried out in accordance with
local regulations. local regulations.
Before work commences, ensure that all power is switched Before work commences, ensure that all power is switched
off and cannot be switched on again. This also applies to the off and cannot be switched on again. This also applies to the
auxiliary power circuits, e.g. anti-condense heaters. auxiliary power circuits, e.g. anti-condense heaters.
Check that supply voltage and frequency are the same as Check that supply voltage and frequency are the same as
rated data. rated data.
Motors can be used with a supply deviation of ± 5% voltage Motors can be used with a supply deviation of ± 5% voltage
and ± 2% frequency, according to IEC60034-1 and ± 2% frequency, according to IEC60034-1
Connection diagrams for main supply and accessory as PTC Connection diagrams for main supply and accessory as PTC
or heater are located inside the terminal box. or heater are located inside the terminal box.
Connections must be made in such a way as to ensure that Connections must be made in such a way as to ensure that
a permanently safe electrical connection is maintained, a permanently safe electrical connection is maintained,
both for the main supply and the earth connection. both for the main supply and the earth connection.
We recommend that crimped connections are made in We recommend that crimped connections are made in
accordance with IEC 60352-2. accordance with IEC 60352-2.
Tightening torques for terminal board screws: Tightening torques for terminal board screws:
Thread Thread M5 M5 M6 M6 M8 M8
T.(Nm) T.(Nm) 2.5 2.5 3.5 3.5 7 7
Ensure that the terminal box is clean and dry. Ensure that the terminal box is clean and dry.
Unused glands must be closed. Unused glands must be closed.
Check the terminal box gasket before it is remounted. Check the terminal box gasket before it is remounted.
5. Maintenance 5. Maintenance
Inspect the motor at regular intervals, keep it clean and Inspect the motor at regular intervals, keep it clean and
ensure free ventilation air flow, check the condition of ensure free ventilation air flow, check the condition of
shaft seals and replace if necessary. Both electrical and shaft seals and replace if necessary. Both electrical and
mechanical connections must be checked and tightened if mechanical connections must be checked and tightened if
necessary. necessary.
Motor Manual Motor Manual
M10 M10 M12 M12 M16 M16 M20 M20
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