SAJ 8000m-2SR4GH Manuale utente
Version Code: 8000m-E201216-1MS
8000m Series Compact Inverter
User Manual
8000m Series
- I-
PRECAUTION
Never modify the products. Failure to observe this warning
can result in electrical shock or personal injury. SAJ is not
responsible for any modification of the frequency products
made by the user, since that will void your guarantee.
8000m Series
- II -
Contents
Notes for Safe Operation.....................................................01
Chapter 1 Select the Right Type.........................................09
1.1 Description of Model................................................................09
1.2 Description of Nameplate........................................................09
1.3 Dimensions of Inverter.............................................................10
1.4 Keypad Tray and RS485 Interface (Optional Parts)................11
Chapter 2 Wiring.................................................................13
2.1 Standard Wiring Diagram of 3-phase Inverter, 380V................13
2.2 Descriptions of Terminals........................................................14
Chapter 3 Operation............................................................16
3.1 Keypad Description.................................................................16
3.2 Operation Process...................................................................17
Chapter 4 Function Code Table...........................................20
Chapter 5 Trouble Shooting.................................................48
5.1 Fault and Trouble Shooting......................................................48
5.2 Common Faults and Solutions.................................................52
Chapter 6 Communication Address.....................................54
8000m Series
- 01 -
Notes for Safe Operation
Read this instruction manual thoroughly before installation,
operation, maintenance or inspection of the frequency inverters.
In this manual, safe operation are classified as “WARNING” or
“CAUTION”.
WARNING
Indicate a potentially dangerous situation which, if not avoided,
could result in death or serious injury to personnel.
CAUTION
Indicate a potentially dangerous situation which, if not avoided,
could result in minor or moderate injury and damage to equipment.
It may also be used for warning against unsafe practices.
Even items described as ( CAUTION) may result in a vital
accident in some situations. Please follow these important notes:
()NOTE
These are steps to be taken to ensure proper operation.
Before Installation
WARNING
Do not install or operate any frequency inverter that is damaged or
has missing parts.
Choose the motor of insulation class B or above. Otherwise it may
cause an electrical shock.
8000m Series
- 02 -
Installation
WARNING
Install the frequency inverter on nonammable material like metal.
Otherwise it may cause a re.
WARNING
Make sure that the mounting environment away from metal dust.
Otherwise it may cause damage to the frequency inverter.
CAUTION
When mount over two inverters in the same cabinet or enclosure,
install a fan or other cooling device to keep the temperature inside
below 50 ℃.
Do not let the conductor head or screws fall into the inside of the
inverter. Otherwise it may cause damage to the inverter.
Wiring
WARNING
Ensure only qualied personnel to operate. Otherwise it can cause
an electrical shock.
Make sure the inverter is isolated from power supply by the circuit
breaker. Otherwise it may cause a re.
Verify that the power supply is turned OFF before start wiring.
Otherwise it may cause an electrical shock or re.
Make sure that the ground terminal is grounded correctly.
Otherwise it may cause an electrical shock.
8000m Series
- 03 -
CAUTION
Never connect the AC power supply to output terminals U, V and
W. Otherwise the inverter will be damaged and the guarantee is
invalid.
Make sure that wiring conform to EMC requirements and local
power safe standard. Make sure to use right wire according to this
instruction manual. Otherwise it may cause an accident.
Braking resistor or braking unit cannot be directly connected to
DC bus terminals. Otherwise it may cause a re.
Before Turn on the AC Power Supply
WARNING
Make sure that the voltage of inverter conforms to the local
power supply voltage. Verify that the wiring of input and output is
correct and there is no short-circuit in peripheral circuit. Tighten
the terminal screws. Otherwise these may cause damage to the
inverter.
Turn on the input AC power only after the front cover is put
correctly. Otherwise it may cause an electrical shock.
CAUTION
Never perform a hi-pot or withstand voltage test of the inverter.
Otherwise it may cause damage to the inverter.
Make sure that the optional parts are connected correctly.
Otherwise it may cause damage to the inverter.
8000m Series
- 04 -
When the Power is On
WARNING
Do not open or remove the front cover when operation. Otherwise
it may cause an electrical shock.
Never touch the inverter and optional parts by wet hands. Never
touch the connection terminals. Otherwise it may cause an
electrical shock.
When the power is on, the inverter will automatically check the
power supply circuit. Do not touch U, V, W terminals and motor
connection terminals. Otherwise it may cause an electrical shock.
CAUTION
It is dangerous for the personnel to approach the motor and load
during rotation of the motor. Do not change the factory parameters
or settings unnecessarily. Otherwise it may cause a damage or
injury.
Operation
WARNING
When select the function of restart, do not approach the
mechanical load. Otherwise it may cause an injury if it restarts
suddenly.
Do not touch the heat sink or discharging resistor. Otherwise it
may cause harmful burns to the body.
Never change or check signals if not a professional or qualied
personnel. Otherwise it may cause damage and injury.
8000m Series
- 05 -
CAUTION
Make sure nothing fall into the mechanical load or inverter.
Otherwise it may cause damage.
Start or stop inverter by corresponding buttons only. Otherwise it
may cause damage.
Maintenance
WARNING
After the main circuit power supply is OFF, make sure the charge
LED is OFF when maintain or inspect. Never maintain or inspect
the inverter and mechanical load when the power supply is still
ON. Otherwise it may cause damage and injury.
Only qualied or authorized professional personnel can maintain,
replace and inspect the inverter. Otherwise it may cause damage
and injury.
Notes for Other Important Operations
( )CAUTION
1. Check Insulation of the Motor
Check insulation of the motor and wire when the motor is used
again after long time idle or for the rst time. Disconnect the wire
between the motor and the inverter before check insulation. Make
sure the insulation resistor is not below 5MΩ.
8000m Series
- 06 -
2. Thermal Overload Protection of the Motor
When the rated capacity of inverter is larger than that of the motor,
install thermal overload relay for the motor or regulate the motor
protection parameters of the inverter.
3. Consider the Bearing Capability of the Load
The inverter can provide output frequency from 0 Hz to 600 Hz. If
the motor needs to work at over 50 Hz, user should consider the
bearing capability of the load.
4. Avoid Mechanical Resonance Frequency
Regulate the skip frequency parameter of the inverter to avoid
mechanical resonance frequency of the load.
5. Prohibition of Installation of Phase Advancing Capacitor
If a phase advancing capacitor or surge suppressor is connected in
order to improve the power factor, it may become overheated and
damaged by inverter high harmonic components. Also, the inverter
may malfunction because of over current.
6. Installation of Magnetic Contactor
If a magnetic contactor is installed at the power supply side, do not
use it to control the start of the inverter. If necessary, the time span
should be one hour or above. Otherwise frequent switching may
cause the inverter to malfunction.
If a magnetic contactor is installed between the output terminals and
motor (output side of the inverter), make sure there is no output of
8000m Series
- 07 -
inverter before switch on and off. Otherwise it may cause damage to
the inverter.
7. Allowable Voltage Range and Power Supply Phase
Make sure the inverter works under allowable voltage range. If
necessary, use boosting transformer or step-down transformer to
change the voltage of power supply. Never change the 3-phase of
inverter into 2-phase. Otherwise it will cause damage to the inverter.
8. Thunder Stroke Protection
Even there is protection device to protect the inverter from induction
thunder stroke, it’s necessary for users in frequent thunder stroke
area to install other protective device.
9. Altitude and Degradation Use
At an altitude of 1000m or above, it could be better that use the
motor with lower rated capacity. Otherwise the inverter may become
overheated because of rare air. For example, in order to control
the motor of 4kW rated capacity, it could be better to use 5.5kW
inverter.
10. Dispose of Scrap Inverter
The scrap capacitor of main circuit and PCB (printed-circuit board)
may explode when it is burned. In order to protect the environment,
do not burn waste plastic parts and scrap capacitor.
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