AE.1 FS Type ................................................................................................................................ E1
AE.2 KMF Type ............................................................................................................................. E2
AE.3 JUN Type .............................................................................................................................. E3
Appendix F- Inverter Parameter Setting List ................................................................................... F1
Appendix G- Version 1.3 Changes .......................................................................................... G1 – G2
Table of Contents Cont.
N3 Drive Operations Manual
!
!
DANGER
Do not touch any circuit boards or components while the charge indicator is still on
after power is turned off. Wait until the charge indicator lamp is completely
extinguished. NOTE: The charge indicator lamp is located under the digital
operator
Do not connect or disconnect any wiring while power is present.
Do not test parts and signals on the circuit boards during the inverter operation.
Do not disassemble the inverter and modify any internal wires, circuits, or parts.
Ensure that the ground terminal of the inverter is bonded properly to earth ground.
For 200V class, ground to <100 Ω. For 400v class, ground to <10Ω.
!
CAUTION
Do not perform high voltage dielectric tests on any inverter parts, as damage to
these parts may can result.
Do not connect the AC input power supply to the motor terminals T1 (U), T2 (V),
and T3 (W) of the inverter.
Do not touch any circuit board without proper precautions as the CMOS ICs on the
inverter’s control board can be damaged due to static electricity.
1.0 Introduction
The N3Inverter series is state of the art design using the latest control and power technologies. It is designed to
operate and control 3Ø induction motors in the hp range of 0.5 to 75 hp and voltage class of 230 or 460VAC. The
inverter can operate in the open loopvector, variable torque, or V/F mode; settable via programming. There are two
sets of parameters: b Basic, and A Advanced, allowing for flexible control in many different applications. The
membrane keypad in combination with a 3 digit 7 segment display allows for ease of programming and monitoring.
An optional communications module can be used for control and parameter setting using the MODBUS RTU protocol.
The N3 has been designed with easy access to the input power, output motor, and control terminals.
Before proceeding with the set-up and installation please take time to review this manual to ensure proper operation
and above all else, personnel safety. Should there be any problem in using the product that cannot be resolved with
the information provided in the manual, please contact your nearest TECO distributor or sales representative for
assistance.
SAFETY FIRST!
The inverter is an electrical product. For your safety, there are symbols “Danger” and “Caution” in this manual as a
reminder to pay attention to safety instructions on handling, installing, operating, and troubleshooting the inverter. Be
sure to follow the instructions for maximum safety.
DANGER - Indicates a potential hazard that could cause death
or serious personal Injury.
! CAUTION - Indicates that the inverter or the mechanical system
might be damaged.
Introduction & Safety 1
N3 Drive Operations Manual
Input
Specification
Output
Specification
Model and
Motor Rating
CAUTION
Enclosure Type and Rating
: xxxxxxxxxxxx
: xxHP/xxkW
: AC x phase 50/60 Hz
: xxx-xxxV (+10%,-15%)
: xx.x A
: AC 3 phases 0-400 Hz
: 0 – xxxV
: xx.x A
Model
Motor Rating
INPUT
VOLTAGE
Amps
OUTPUT
VOLTAGE
Amps
2.0 Product Inspection
TECO’s inverters have all passed a functional factory test before delivery. Please check the following when you
receive and unpack the inverter:
Check for any damages that may have occured during transportation or handling. If there is damage, do not
apply power, and contact a TECO sales representative.
Check that the model and capacity of the inverter are the same as those specified in your purchase order. The
following describes the nameplate information.
NOTES:
2.1 Nameplate Layout
Product inspection & Nameplate Layout 2
N3 Drive Operations Manual
!
CAUTION
The input voltage must comply with the inverter’s specified input voltage.(See
product nameplate)
!
CAUTION
To avoid the front cover from disengaging or other physical damage, do not
carry the inverter by its cover. Support the unit by its heat sink when
transporting. Improper handling can damage the inverter or injure personnel,
and should be avoided.
To avoid the risk of fire, do not install the inverter on or near flammable
objects. Install on nonflammable objects such as metal surfaces.
If several inverters are placed in the same control panel, provide adequate
ventilation to keep the temperature below 40°C (104°F) to avoid overheating
or fire.
When removing or installing the digital operator, turn off the power first, and
then follow the instructions in this manual to avoid operator error or loss of
display caused by faulty connections.
Warning
This product is sold subject to IEC 61800-3. In a domestic environment this
product may cause radio interference in which case the user may be required to
apply corrective measures.
!
CAUTION
To ensure the safety of peripheral devices, it is strongly recommended to install a
fast acting fuse on the power input side of the inverter. The specifications for fast
acting fuses are covered in Section 12.0.
!
DANGER
Make sure the applied voltage input connections are correct, L1 (L), L2, and
L3 (N) are power-input terminals and must not be connected to T1, T2, and T3.
Otherwise, inverter damage can result.
3.0 Operating Precautions
3.1 Before Power Up
Operating Precautions; Before Power UP 3
N3 Drive Operations Manual
!
DANGER
Do not connect or disconnect any wiring on the inverter as bodily harm and /
or damage to the equipment may result.
When momentary power loss is greater than 2 seconds (the higher the HP
rating, the longer the time), the inverter can not sustain power to the control
circuit. Therefore, when power is restored, the operation of the inverter is
based on the setup of b000 / A015 and the condition of the external switches.
This is considered to be a restart.
When restarting, the operation of the inverter is based on the setup of
b000 and A015 and the condition of external switch (FWD / REV button).
NOTE: the start operation is not affected by parameters
A013/A014/A018/A019.
1. When b000=0000, the inverter will not run after restart.
2. When b000=0001 and the external (FWD / REV) switch is off, the
inverter will not run after restart.
3. When b000=0001, the external switch (FWD / REV button) is on, and
A015=0000, the inverter will run automatically after restart. In this case
after loss of power, turn off the external (FWD/REV) switch to avoid
damage to the equipment and injury to personnel after sudden
restoration of power.
For further information, please refer to the description and warnings of
parameter A015 covered in the advanced parameter section.
When the momentary power loss is less than 2 seconds, the inverter still has
enough storage power to support the control the circuit. Therefore, when
power is restored, the inverter will automatically restart depending on the setup
of A013 / A014.
!
CAUTION
Below situations are normal:
1. The inverter display will flash the AC input voltage for 1 second after power is applied.
2. After power is off, the inverter display will flash "LV" for 1 second when the inverter
is at Stop status and the inverter display will flash "LV-C" for 1 second when the
inverter is at Run status.
!
DANGER
Make sure only qualified personnel familiar with AC drives and having a full
understanding on parameter settings allowed to operate the equipment.
3.2 During Power up
3.3 Before Operation
Operating Precautions; During Power UP & Before Operation 4
N3 Drive Operations Manual
!
DANGER
Do not connect or disconnect the motor during operation. The overcurrent circuit
will cause the inverter to trip or damage the equipment may result.
!
DANGER
Do not remove any protective covers as lethal voltages are present inside
the inverter.
The motor will restart automatically after stop when the auto-restart function is
on. In this case, use extreme caution while working near the motor or driven
equipment.
Note: The stop function is different from the emergency stop switch, which
must be set first to be effective.
!
CAUTION
Do not touch heat-generating components such as heat sinks and braking
resistors.
The inverter can operate the motor from low speed to high speed. Verify that
the allowable speed range of the associated machinery will tolerate this range.
Note the settings related to the `minimum braking resistor value.
Do not check signals on circuit boards while the inverter is operating.
!
CAUTION
After power is removed from the inverter, allow 5 minutes before disassembling or
checking any components or disconnecting wiring. The charge indicator lamp
which is located under the digital operator should not be illuminated.
3.4 During Operation
Operating Precautions; During Operation 5
N3 Drive Operations Manual
PANEL
Correct
Fan
Fan
Enclosure
Enclosure
PANEL
Incorrect
Correct
Incorrect
N3
N3
N3
N3
N3
N3
Panel Mounting
Enclosure Mounting
Ambient Temperature: 14 -104 oF (-10oC - +40oC),
Without Cover: 14-122 oF (-10oC - +50oC)
Relative Humidity: 95% non-condensing
Altitude : < 3,281 ft. (1000m)
Avoid exposure to rain or moisture.
Avoid direct sunlight.
Avoid oil mist and salinity.
Avoid corrosive liquid and gas.
Avoid dust, lint fibers, and small metal
filings.
Keep away from radioactive and
flammable materials.
Avoid electromagnetic interference (soldering machines, power machines).
Avoid vibration (stamping, punching machines etc.). Add a vibration-proof pad if the
situation cannot be avoided.
If several inverters are placed in the same control panel, provide a heat removal means
to maintain ambient temperatures below 40oC.
4.0 Environment and Installation
The environment will directly affect the proper operation and the life span of the inverter. To ensure that the inverter
will give maximum service life, please comply with the following environmental conditions:
4.1 Inverter Mounting
When mounting and installing one or more inverters on a panel or in an enclosure, ensure that the placements and
clearances are correct. (see Fig.’s 4.1.1 and 4.1.2). Also make sure that the inverter(s) are mounted vertically to
maximize air flow to the heatsink. To further increase airflow, the dust cover on the inverter(s) may be removed,
provided that the environment is free from contaminants.
For SOURCE mode connect
to +24V and set SW1 to the
PNP position.
For SINK mode connect to
COM and set SW1 to the NPN
position. (Factory Default)
+FM
COM
S6 / AI2
(0V)
(0V)
SW1
NPN
PNP
SW3
I
V
SW2
BR
DC Choke
Braking
Resistor
P1
Braking
Resistor
P
_
B1/P
B2
DC Power
Supply
_
DC Power Supply
or
External Braking Unit
+
230V: 0.5 – 10 HP
460V: 1 – 15 HP
230V: 15 – 20 HP
460V: 20 HP
230V: 25 – 40 HP
460V: 25 – 75 HP
NOTE GROUND CONNECTION
RESISTANCE TO BE 230V CLASS: ≤100Ω
460V CLASS: ≤10Ω
PE
E
E
Ground Terminal
Designation
TERMINAL DESIGNATIONS FOR
POWER DEVICE INPUTS FOR
VARIOUS HORSEPOWER.
(See Sec. 7.0for further details)
CON 1
CON 2
OPTION CARD
CONNECTOR
TM2
TM2
(See Sec. 10.0for further details)
S5 can be configured for pulse
input. ( A054 = 0019) (See
also parameter A098)
The AIN/ S7 input terminal can be
configured as an Analog input:
SW2 = V (0-10VDC) or *(2 - 10VDC)
SW2 = I (0 - 20 mA) or *(4 - 20 mA)
*(See Note)
AIN/S7 can also be configured as a
digital input .
Example – An external pot is
connected to the AIN terminal as
shown providing 0 - 10 VDC input
2K
L1(R)
L2(S)
L3(T)
Magnetic
Contactor
MCCB
AC
Reactor
Fast Acting
Fuses
PE
PE
S6 / AI2 can be configured as a digital
or analog input.
SW3 = V (0-10VDC) or (2 - 10VDC)
SW3 = I (0 - 20 mA) or (4 - 20 mA)
(See parameters *A049, (A050 – A056),
A097 & A154)
*A049 – Version 1.3 or later)
*Note: For versions prior to 1.3, to set AIN (2-10V) or
(4-20mA), parameters A92-A96 were used. For
versions 1.3 or higher it can be set directly with
parameter A154. Also see parameters A050 - A056.
AC Input Voltage
5.0 General Wiring Diagram 1 - 2 HP
N3 General Wiring Diagram.( All HP’s prior to Ver.1.3)8
N3 Drive Operations Manual
T1(U)
T2(V)
T3(W)
L1(R)
L2(S)
L3(T)
RUN / STOP
S1
S2
S3
S4
S5
3 Ø
INDUCTION MOTOR
MULTIFUNCTION
DIGITAL INPUTS
(See parameters A050 – A057)
AI2
AIN / S7
E
E
R1A
R1B
R1C
R2A
R2C
N3
INVERTER
SHIELD
SHIELD
N3 General Wiring Diagram
3 – 40 HP at 230V and 3 – 75 HP at 460V (Version 1.3 or later)
0 - 10 VDC
ANALOG
OUTPUT
(See parameters
A103 & A104)
MULTIFUNCTION RELAY
OUTPUTS
Dry contacts rated
(250 VAC / 30 VDC @ 2A)
(See parameters A105 & A106)
+24V
24G
RUN / STOP or REV / FWD
For SOURCE mode connect
to +24V and set SW1 to the
PNP position.
For SINK mode connect to
COM and set SW1 to the NPN
position. (Factory Default)
+FM
AGND
S6
SW1
NPN
PNP
SW3
I
V
SW2
Braking
Resistor
_
B1/P
B2
DC Power
Supply
_
DC Power Supply
or
External Braking Unit
+
230V: 25 – 40 HP
460V: 25 – 75 HP
230V: 15 – 20 HP
460V: 20 HP
NOTE GROUND CONNECTION
RESISTANCE TO BE 230V CLASS: ≤100Ω
460V CLASS: ≤10Ω
E
E
Ground Terminal
Designation
TERMINAL DESIGNATIONS FOR
POWER DEVICE INPUTS FOR
VARIOUS HORSEPOWER.
(See Sec. 7.0for further details)
CON 1
CON 2
OPTION CARD
CONNECTOR
TM2
TM2
(See Sec. 10.0for further details)
S5 can be configured for pulse
input. ( A054 = 0019) (See
also parameter A098)
The AIN/ S7 input terminal
can be configured as an
Analog input:
SW2 = V (0 -10VDC)
SW2 = I (0 - 20mA)
AIN/ S7 can also be
configured as a digital input.
(see parameters A056, (A092
– A096) & A154)
Example – An external pot is
connected to the AIN terminal as
shown providing 0 - 10 VDC input
2K
L1(R)
L2(S)
L3(T)
Magnetic
Contactor
MCCB
AC
Reactor
Fast Acting
Fuses
AGND
3 – 40 HP at 230V
&
3 – 75 HP at 460V
AC Input Voltage
AI2 Analog input input terminal:
SW3 = V (0 -10VDC) or (0 - 20mA)
SW3 = I (2-10VDC) or (4-20 mA)
(Ver. 1.3 or later)
(See parameters A049, A097, (A050
– A056) & A154)
6.0 General Wiring Diagram 3 – 75 HP*
*. For 3 - 75HP prior to Version 1.3. please refer to Wiring Diagram 5.0
N3 General Wiring Diagram (3-75 HP Ver.1.3 or later)9
Do Not remove the
Factory Installed
Jumper between
Terminals P – P1
unless a DC reactor
is being installed.
CAUTION
230V 3Ø: 0.5 – 2 HP
460V 3Ø: 1 – 2 HP
230V 1Ø: 0.5 – 1 HP
3Ø Motor Output
Braking Resistor Connection
DC Reactor Connections
Earth Ground
3Ø Input Power
3Ø Motor Output
Braking Resistor
External DC Supply
R/L1 – S/L2 – T/L3
U/T1 – V/T2 – W/T3
3Ø Input Power
3Ø Motor Output
L1(L)
L2
L3(N)
T1
T2
T3
PEPE
BRP
P1
(L) – (N)
L1 – L2 – L3
T1 – T2 – T3
P1 – BR
P1 – P *
230V 3Ø: 3 – 10 HP
460V 3Ø: 3 – 15 HP
230V 1Ø: 2 – 3 HP
3Ø Motor Output
Braking Resistor Connection
DC Reactor Connections
Terminal Connections
L1L2L3(N)
P1
BR
T1T2
T3
PowerDynamicTo Motor
P
TM1
230V 1Ø: 2 – 3 HP
B)
Do Not remove the Factory Installed Jumper between
Terminals P – P1 unless a DC reactor is being installed.
CAUTION
!
!
*
*
7.0 Power Terminals Designations and Ratings (Terminal Block TM1)
Depending on inverter ratings, the power terminals (TM1) can have one of three configurations. These are shown as
A), B), C) and D) in Fig. 7.1. Section 7.2 covers the electrical ratings and tightening torques of the terminals.
Do Not over tighten terminal screws. (See Sec. 7.2)
Use the proper wire size for terminal connections.
Use proper termination techniques.
7.1 Power Terminal Configuration TM1
Power Terminal Designations & Ratings (TM1) 10
N3 Drive Operations Manual
Horsepower
Phase
Ø
Power source
Volts
Amps
Tightening Torque
Lb-ft / KG-M
Lb-in / KG-CM
0.5 & 1
1
200-240V
600
15A
0.59 / 0.08
7.10 / 8.20
2 3 1& 2
3
380-480V
3, 5, 7.5, 10 &15
3
200-240V
40A
1.5 / 0.21
18.00 / 20.28
2 & 3
1
3, 5, 7.5, 10 &15
3
380-480V
15,20, & 25
3
200-240V
80A
1.84 / 0.3
22.1 / 30
20,25, & 30
3
380-480V
60A
30
3
200-240V
100A
4.42 / 0.66
53.1 / 66
40 & 50
3
380-480V
40
3
200-240V
150A
60 & 75
3
380-480V
Inverter Input
Voltage
Horsepower
240 V
0.5,1, & 2
3 & 5
7.5 & 10
X
15, 20, &
25
30
40
480 V
1, 2, 3, & 5
7 & 10
15
20 , 25 & 30
X
40 & 50
60 & 75
*AWG /mm2
#14 / 2.0
#12 / 3.5
#10 / 5.5
#6 / 14
#4 / 22
#2 / 30
#1 /50
N3
IM
MCCB
Power
Source
Noise
Filter
Grounded
Metal Conduit
Noise
Filter
Grounded Metal
Enclosure
Signal Cable
11.8 in. / 30 cm
(Separate signal wiring from power leads
by a minimum of 30 cm / 11.8 in..)
7.2 Power Terminal Block TM1 Electrical Ratings and Tightening Torques
Table7.1 Electrical Ratings and Tightening Torques
8.0 Inverter Wiring
8.1 Input / Output Power Wiring Connections (Terminal TM1)
Table 8.1 Input / Output Power Wire Size vs Horsepower
* Wire size shown is based on maximum terminal size. Please consult the NEC or local
codes for the proper size to be used.
Use only copper wires. Proper diameter wire should be based on ratings at +105°C.
The minimum voltage rating of wiring is: 300V for 230VAC and 600V for 460VAC.
For safety reasons do not use under sized wiring.
8.2 Input / Output Power Wiring Noise Suppression
Electrical noise or EMI can be generated from the input power lines and or the output power leads to the motor.
This can interfere with the function of surrounding equipment as well as the inverter’s own control wiring. Fig. 8.2
shows an example of filters and shielding schemes to help minimize any radiated EMI.
Fig. 8.2 Input / Output Power Wiring Noise Suppression
The length of the cables between the motor and inverter can cause a significant phase to phase voltage
reduction at the motor due to the voltage drop across the cables. To calculate this reduction, apply the following
formula:
Phase-to-phase voltage drop (V) = 3 ×resistance of wire (Ω/km) × length of line m) × current×10-3.
(km=3280 x feet) (m=3.28 x feet )
8.4 Cable Length vs Carrier Frequency
The allowable setting of the PWM carrier frequency is also determined by motor cable length and on is specified
in the following table.
Table 8.2 Cable Length vs Carrier Frequency
8.5 Inverter Grounding
The proper grounding scheme for one or more inverters is very important to ensure personnel safety as well as
equipment performance. The following will discuss the proper grounding procedures.
The grounding resistance for the 230V class; <100, the 460V class; <10.
The ground wire size (AWG) is per electrical code.
Do Not share a ground with any other equipment with high current loads such as welding machines, presses,
etc. Connect the inverter to its own dedicated ground.
Do Not make a loop when several inverters share a common ground point (See Fig. 8.5c).
Fig. 8.5 Inverter Grounding
Inverter Wiring; Input Power Wiring 12
N3 Drive Operations Manual
N3
IM
MCCB
Power
Source
N3
IM
MCCB
Power
Source
General
Noise
Filter
Machine
N3
IM
MCCB
Power
Source
Machine
General
Noise
Filter
N3
IM
MCCB
Power
Source
Special
Noise
Filter
Machine
N3
MCCB
Power
Source
Machine
IM
Isolation
Transformer
a) Dedicated Power Source
b) Special Noise Filter
c) Isolation Transformer
d) General Noise Filter
CORRECT
INCORRECT
or
8.6 Input Power Wiring and Installation Recommendations with Examples
Fig. 8.6 shows input power installation recommendations with correct and incorrect examples.
When possible the inverter should be connected to a dedicated input power source. (Fig. 8.6 a)
When the inverter is sharing a power source with other equipment, either install a special input noise filter,
(Fig. 8.6b) or an isolation transformer, (Fig. 8.6c) to isolate other loads.
Using a general purpose noise filter may not give sufficient results as shown in (Fig. 8.6d) below.
Fig. 8.6 Input Power Wiring and Installation Examples
Inverter Wiring; Input Power Wiring 13
N3 Drive Operations Manual
Control
Circuit
Cooling Fan
+
_
L1(L)
L2
L3 (N)
T1
T2
T3
DC /DC
Converter
PE
Control
Circuit
Cooling Fan
C.M. Choke
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
DC /DC
Converter
E
Control
Circuit
Cooling Fan
C.M. Choke
DC /DC
Converter
+24VDC
+
_
E
+
_
R/L1
S/L2
T/L3
U/T1
V/T2
W/T3
B) 230V: 25 HP and 440v : 25 – 30 HP
C) 230V: 30 - 40 HP and 440v : 40 – 75 HP
A) 230V 1Ø: 0.5 – 3 HP, 230V 3Ø: 0.5 – 10 HP and 460V 3Ø: 1 - 15 HP
9.0 Input / Output Power Section Block Diagram
The following Fig. 9.0 A), B) and C) show the basic configuration of the power sections for the range of horsepower
and input voltages. This is shown for reference only and is not a detailed depiction.
Fig. 9.0Power Input / Output Block Diagrams
Input / Output Power Section Block Diagram 14
N3 Drive Operations Manual
Terminal
Description
R2A
Multifunctional output relay (Form A - N.O.)
Contact rating:
(250VAC or 30VDC @ 1A)
Contact function:
(refer to parameters A105 & A106)
R2B
R1C
Common contact
Multifunctional output relay
(Form C)
R1B
Normal close contact
R1A
Normal open contact
10V
Frequency knob (VR) power source terminal. 10 mA max. (Do not use for other functions)
AIN / S7
Analog signal input terminal (0 -10Vdc / 4 - 20mA), or multifunction input terminals S7
(H level:>8V, L level:<2V, PNP only) (refer to parameter A056 description)
AI2
Analog signal input (0 - 10V / 0 – 20 mA) 0r 2 – 10V / 4 – 20 mA) 3 -75 HP: (For Ver. 1.3
or later only)
24V
Common for digital inputs, S1-S5 (S6, S7) in PNP (Source) input. (SW1 is set to PNP input)
50 mA max. (Do not use for other functions)
COM
0.5 - 2 HP & (3 – 75HP prior to Ver. 1.3): Common for analog input /output signals and for digital S1 - S5 inputs in NPN (Sink) input.(SW1 set to NPN input)
*24G
Common for digital S1 – S6 inputs in NPN (Sink) input. ( SW1set to NPN input)
*AGND
Common for analog inputs AIN & AI2 and analog output FM+
FM+
Multifunction analog output signal, 0-10VDC @ 2mA max. (refer to parameter A103
description)
S1
Multifunction digital input terminals(refer to parameters A050 - A054 description)
S2
S3
S4
S5
Multifunction digital input terminal (Same as S1 – S4) or can be used as a pulse train input
to control output frequency. (refer to parameter A054=0019 description). Input pulse level
19.2V min. to 24.7V max.
S6 / AI2
0.5 - 2 HP& (3 – 75HP prior to Ver. 1.3): Multifunction input terminal (digital terminal high
level:>8V, Low level:<2V, PNP only) or analog input terminal AI2 (0 -10Vdc / 4 - 20mA).
( refer to A055 description)
10.0 Control Terminals (Terminal Block TM2)
The following table shows the control terminal designations for terminal block TM2. Refer to the parameter section of
this manual and to General Wiring Diagrams 5.0 and 6.0 for further explanation of the functions and connections.
Table 10.1 Control Terminal Designations (Terminal Block TM2)
* 3 - 75 HP: (For Ver. 1.3 or later only, see Appendix Gfor further details)
Cont.
Control Terminals (TM2); Terminal Layout & Wiring 15
N3 Drive Operations Manual
R2B
R2A
S6
S5S4S3S2S1
R1AR1B
R1C
AIN
10V
24V
FM+
COM
0.5 – 10 HP (230V) 1 – 15 HP (460V)
SW2
R2B
R2A
S6
S5S4S3S2S1
R1AR1B
R1C
AIN
10V24V
FM+
COM
COM COM
15 – 40 HP (230V) 20 – 75 HP (460V)
R2B
R2A
S6
S5S4S3S2S1
R1AR1B
R1C
AIN
10V
24V
FM+
COM
0.5 – 2 HP (230V) 1 – 2 HP (460V)
Fig. 10.2.2 Control Terminal TM2 Layout (Prior to Version 1.3)
Fig. 10.2.1 Control Terminal TM2 Layout
R2B
R2A
S6
S5S4S3S2S1
R1AR1B
R1C
AIN
10V
AGND
24V
FM+
AI2
24G
SW1 - Sets the input digital terminals S1-S7 for Sink (NPN) or Source (PNP) logic.
SW2 - Sets the analog input terminal AIN for voltage (V) or current (I).
SW3 – Sets the analog input terminal AI2 (Ver. 1.3 or later) or the multifunctional terminal S6/AI2 (prior to Ver.1.3) for voltage (V) or current (I).
Please refer to General Wiring Diagrams 5.0 and 6.0 for further information.
SW1
NPN
PNP
SW3
I
V
SW2
Control Switches
Control Board
3–40HP(230V)3–75HP(460V)
R2B
R2A
S6
S5S4S3S2S1
R1AR1B
R1C
AI2
10V
AIN
24V
FM+
AGND
24G
Version 1.4 and above
Version 1.3
Shield
Twisted Pair
Wrap with insulating Tape
Ground Shield at Inverter
end
ONLY
DO NOT
Ground Shield at
this end
10.2 Control Terminal Layout (Terminal Block TM2) and Control Switches
10.3 Control Terminal Wiring and Connections (Terminal TM2)
Control wiring is connected to terminal TM2. Select the proper wire and rating in accordance with the following:
Use copper wire only. The proper wire diameter should be based on ratings at +105°C.
AWG #18 is recommended.
To minimize EMI (electromagnetic interference), route control cables at least 12 in. from any power cables.
Do not run control wiring in the same conduit with power and motor wiring.
Depending on signal levels, shielded - twisted pair wiring is recommended as shown in the Fig. below.
For nominal values of input / output signals, follow the requirements of class 2 wiring
Control Cable, Shielded Twisted Pair
Control Terminals (TM2); Terminal Layout & Wiring Cont. 16
N3 Drive Operations Manual
~
~
~
Power Supply
M
C
C
B
Molded
Circuit
Breaker
Magnetic
Contactor
AC
Reactor
Fast
Acting
Fuse
Input Noise
Filter
N3
Inverter
Ground
Induction
Motor
Ground
Output Noise
Filter
Power supply:
!
Make sure the correct voltage is applied to avoid damaging the
inverter.
Molded-case circuit breaker (MCCB) or fused disconnect:
A molded-case circuit breaker or fused disconnect must be installed
between the AC source and the inverter that conforms to the rated
voltage and current of the inverter to control the power and protect the
inverter.
!
Do not use the circuit breaker as the run/stop switch for the
inverter.
Ground fault detector / breaker:
!
Install a ground fault breaker to prevent problems caused by
current leakage and to protect personnel. Select current range up to
200mA, and action time up to 0.1 second to prevent high frequency
failure.
Magnetic contactor:
Normal operations do not need a magnetic contactor. When
performing functions such as external control and auto restart after
power failure, or when using a brake controller, install a magnetic
contactor.
!
Do not use the magnetic contactor as the run/stop switch for
the inverter.
AC line reactor for power quality:
When inverters are supplied by a high capacity (above 600KVA)
power source, an AC reactor can be connected to improve the power
factor.
Install Fast Acting Fuse:
To protect peripheral equipment, install fast acting fuses in
accordance with the specifications in Sec.12.0.
Input and output noise filter:
A filter must be installed when there are inductive loads affecting the
inverter.
Inverter:
Output terminals T1, T2, and T3 are connected to U, V, and W
terminals of the motor. If the motor runs in reverse while the inverter
is set to run forward, swap any two terminals connections for T1, T2,
and T3.
!
To avoid damaging the inverter, do not connect the output
terminals T1, T2, and T3 to AC input power.
!
Connect the ground terminal properly. (230V series: Rg <100;
460V series: Rg <10.)
11.0 Peripheral Power Devices
The following describes some of the precautions that should be followed when selecting peripheral power devices.
Peripheral Power Devices 17
N3 Drive Operations Manual
220V class (1Ø)
N3-2
HP
KW
KVA
100% CONT
Output AMPS
(A)
Max.RK5
FUSE Rating(A)
Max. CC or T
FUSE
Rating(A)
P5-CS
0.5
0.4
1.2
3.1
10
20
01-CS
1
0.75
1.7
4.5
15
30
02-CS
2
1.5
2.9
7.5
20
40
03-CS
3
2.2
4.0
10.5
25
50
220V class (3 Ø)
N3-2
HP
KW
KVA
100% CONT
Output AMPS
(A)
Max.RK5
FUSE Rating(A)
Max. CC or T
FUSE
Rating(A)
P5-C
0.5
0.4
1.2
3.1 8 10
01-C
1
0.75
1.7
4.5
12
15
02-C
2
1.5
2.9
7.5
15
20
03-C
3
2.2
4.0
10.5
20
30
05-C
5
3.7
6.7
17.5
30
50
07-C
7.5
5.5
9.9
26
50
60
10-C
10
7.5
13.3
35
60
70
15-N1
15
11.0
20.6
48
80
100
20-N1
20
15.0
27.4
64
100
125
25-N1
25
18.5
34.0
80
125
150
30-N1
30
22.0
41.0
96
160
200
40-N1
40
30.0
54.0
130
200
250
12.0 Input Fuse Types and Ratings
Inverter input fuses are provided to disconnect the inverter from input power in the event of a component failure in the
inverter’s power circuitry. The inverter’s electronic protection circuitry is designed to clear inverter output short circuits
and ground faults without blowing the inverter input fuses. The table on the next page shows the N3 input fuse ratings.
To protect the inverter most effectively, use fuse types RK5 or CC/T with a current-limit function.
Table 12.1A (1Ø) Input Fuse Types and Ratings
Table 12.1B (3 Ø) Input Fuse Types and Ratings
NOTES:
Cont.
Input Fuse Types & Ratings 18
N3 Drive Operations Manual
440V class (3 Ø)
N3-4
HP
KW
KVA
100% CONT
Output AMPS
(A)
Max.RK5
FUSE Rating(A)
Max. CC or T
FUSE
Rating(A)
01-C
1
0.75
1.7
2.3 6 10
02-C
2
1.5
2.9
3.8
10
15
03-C
3
2.2
4.0
5.2
10
20
05-C
5
3.7
6.7
8.8
20
30
07-C
7.5
5.5
9.9
13
25
35
10-C
10
7.5
13.3
17.5
30
50
15-C
15
11.0
20.6
25
50
60
20-N1
20
15.0
27.4
32
60
70
25-N1
25
18.5
34.0
40
70
80
30-N1
30
22.0
41.0
48
80
100
40-N1
40
30.0
54.0
64
100
125
50-N1
50
37.0
68.0
80
125
150
60-N1
60
45.0
82.0
96
150
200
75-N1
75
55.0
110.0
128
200
250
!
CAUTION
TECO bears no responsibility for failures caused by the following conditions:
(1) A molded-case circuit breaker is not installed, or an improper or overrated
breaker is used between the power source and the inverter.
(2) A magnetic contactor, a phase capacitor, or a surge suppressor between the
inverter and the motor.
N3 model
N3-2XX - Y
P5-CS
01-CS
02-CS
03-CS
05-C
07-C
10-C
15-N1
20-N1
25-N1
30-N1
40-N1
Molded-case
circuit breaker
made by TECO
TO-50E
10A
TO-50E
20A
TO-50E
30A
TO-50E
30A
TO-50E
30A
TO-50E
50A
TO-100S
60A
TO-100S
100A
TO-100S
100A
TO-225S
150A
TO-225S
175A
TO-225S
175A
Magnetic
contactor (MC)
made by TECO
CU-11
CU-16
CU-18
CU-27
CU-50
CU-65
CU-80
CN-100
CN-125
N3 model
N3-4XX - Y
01-C/02-C/03-C/05-C
07-C
10-C
15-C
20-N1
25-N1
30-N1
40-N1
50-N1
60-N1
75-N1
Molded-case circuit
breaker made by
TECO
TO-50E
15A
TO-50E
20A
TO-50E
30A
TO-50E
50A
TO-100S
50A
TO-100S
75A
TO-100S
100A
TO-100S
100A
TO-125S
125A
TO-225S
175A
TO-225S
175A
Magnetic contactor
(MC) made by TECO
CU-11
CU-16
CU-18
CU-27
CU-38
CU-50
CU-50
CU-65
CU-80
CN-100
CN-125
Table 12.1C (3 Ø) Input Fuse Types and Ratings
NOTE: Fuse ratings are based on 250V fuses for 230V inverters and 600v for 460V inverters.
13.0 Applicable Specifications for Circuit Breakers and Magnetic Contactors
The following tables show the specifications for molded case circuit breakers and magnetic contactors vs N3 models.
Above 25HP, please add Braking Transistor Units: 200V JNTBU-230, 400V JNTBU-430, and 400V JUVPHV-0060
For more detailed information, please contact TECO.
When installing a braking unit and resistor, ensure that there is adequate clearance and ventilation.
Braking Unit & Braking Resistor Selections 21
N3 Drive Operations Manual
Inverter Model
Rating
(INPUT)
Filter Model
Second Environment
First Environment
Restricted Distribution
First Environment
Unrestricted Distribution
N3
2P5-CS
1 170 -264V
--
Built in
FS 6146-11-07
201-CS
1 170-264V
--
Built in
FS 6146-11-07
202-CS
1 170-264V
--
Built in
FS 6146-27-07
203-CS
1 170 -264V
--
Built in
FS 6146-27-07
2P5-CS
1 170 -264V
--
FS 6146-11-07
--
201-CS
1 170-264V
--
FS 6146-11-07
--
202-CS
1 170-264V
--
FS 6146-27-07
--
203-CS
1 170 -264V
--
FS 6146-27-07
--
2P5-C
3 170 -264V
--
FS 6147-8.9-07
--
201-C
3 170 -264V
--
FS 6147-8.9-07
--
202-C
3 170 -264V
--
FS 6147-8.9-07
--
203-C
3 170 - 264V
--
FS 6147-19-07
--
205-C
3 170 - 264V
--
FS 6147-19-07
--
207-C
3 170 - 264V
--
FS 6147-39-07
--
210-C
3 170 -264V
--
FS 6147-39-07
--
401-C
3 323 -528 V
--
Built in
FS 6149-4.6-07
402-C
3 323 -528 V
--
Built in
FS 6149-4.6-07
403-C
3 323 -528 V
--
Built in
FS 6149-10-07
405-C
3 323 -528 V
--
Built in
FS 6149-10-07
407-C
3 323 -528 V
--
Built in
FS 6149-28-07
410-C
3 323 -528 V
--
Built in
FS 6149-28-07
415-C
3 323 -528 V
--
Built in
FS 6149-28-07
401-C
3 323 -528 V
--
FS 6149-4.6-07
--
402-C
3 323 -528 V
--
FS 6149-4.6-07
--
403-C
3 323 -528 V
--
FS 6149-10-07
--
405-C
3 323 -528 V
--
FS 6149-10-07
--
407-C
3 323 -528 V
--
FS 6149-28-07
--
410-C
3 323 -528 V
--
FS 6149-28-07
--
415-C
3 323 -528 V
--
FS 6149-28-07
--
420-N1
3 323 -528 V
JUNF34048S-MA
--
--
425-N1
3 323 -528 V
KMF370A
--
--
430-N1
3 323 -528 V
KMF370A
--
--
440-N1
3 323 -528 V
KMF3100A
--
--
450-N1
3 323 -528 V
KMF3100A
--
--
460-N1
3 323 -528 V
KMF3150A
--
--
475-N1
3 323 -528 V
KMF3180A
--
--
16.0 EMC Filters
The inverters use PWM (Pulse Width Modulation) in the output power section which results in rapid on / off switching
of the solid state power devices (IGTB transistors). Because of this, unwanted EMI (Electromagnetic Interference) and
RFI (Radio Frequency Interference) is produced which may affect other equipment. The use of EMC filters listed in
the following table is used to control this interference within limits set forth by the following standards.
EMC Standard 89/336/EEC
EMI Radio Standard – EMS Immunity Standard
EN 61800-3 1996/A11 : 2000 First Environmental Unrestricted Distribution (Class B)
EN 61800-3 1996/A11 : 2000 First Environmental Restricted Distribution
Note: Please refer to Appendix D for dimensional information for the various type EMC filters.
EMC Filters 22
N3 Drive Operations Manual
Output frequency
control potentiometer
(when selected)
4 digit 7 segment
LED display
Membrane keys
LED indicators
LED indicators
LED
STATUS
DESCRIPTION
SEQ (Sequence
OFF
Run Command Source is from the keypad (b000=0000)
(factory default)
ON
Run Command Source is from external terminal (b000=0001),
or RS485 communicationcontrol (b000=2)
FRQ (Frequency)
OFF
Frequency Command Source is from the keypad
(b004=0000) (factory default)
ON
Frequency Command Source is from potentiometeron
keypad (b004=1), external analog signal (b004=0002), up /
down frequency control using MFIT (S1-S6) (b004=0003) or
RS485 communication control (b004=0004)
*FWD (Forward)
ON
Drive is running in the forward direction
Flashing
Drive is in the stop mode
REV (Reverse)
ON
Drive is running in the reverse direction
Flashing
Drive is in the stop mode
FUN (Function)
ON
Entering A or bparameters
*Hz/RPM
ON
Display is showing output frequency
VOLT
ON
Display is showing motor voltage (b014=0001), DC bus voltage (B015=0001) or PID feedback voltage (b016=0001)
AMPS
ON
Display is showing motor current (b013=0001)
17.0 Keypad Key Functions and Navigation
The N3 keypad, provides all the necessary functions to allow full control of the N3 inverter. The keypad has
membrane type keys and a 7 - segment 4 - digit LED display. Also located on the keypad is a potentiometer that can
be used to control inverter output frequency when selected as the control source. A remote keypad is available as an
option, and is covered more in detail in the Option Modules Sec. 20.0.
17.1 N3 Keypad
Fig. 17.1 N3 Keypad
17.2 Keypad LED Functions
Table 17.1
*Note – On initial powerup (factory default), the only LEDs that are on are Hz/RPM and FWD.
Keypad Functions & Navigation; Key Functions 23
N3 Drive Operations Manual
UP / DOWN
· Sets the inverter output frequency when using the keypad mode.
· Sets the value of the 4 display digits to set the *A and b parameters.
* Access to the A parameters must be enabled. (see Sec. 17.4.3)
RUN / STOP
· Controls the output of the inverter when selected in the keypad mode. It is an on /
off toggle function.
DISPLAY / FUNCTION
· Toggles the display between the inverter output selected value (Hz etc.) and the *A
and b parameter lists. Also when AMPS and or VOLTS are selected for display, the
key will sequence through to display Hz/RPM, A and b parameter lists, AMPS or
VOLTS.
READ / ENTER
· Used to READ and /or save (ENTER) *A and b parameters.
STOP
RUN
FUN
DSP
FWD
REV
FWD / REV
· Controls the direction of the motor ( inverter output) when selected in the keypad
mode. It is an on / off toggle function.
· Used in conjunction with the RESET / SCROLL key to toggle between Local and
Remote operation.
RESET
RESET / SCROLL
· Resets the inverter after a fault
· Scrolls through the position of the 4 display digits to set the *A and b parameters.
· Used in conjunction with the FWD / REV key to toggle between Local and Remote
operation.
READ
ENTER
!
CAUTION
Do not use any sharp or potentially damaging objects to operate the keypad.
17.3 Key Functions
The keys are multifunctional, providing for both control of the inverter when keypad mode isselected (default) and
access in setting various parameters. The key functions are asfollows.
Table 17.2
NOTES:
Keypad Functions & Navigation; Key Functions 24
N3 Drive Operations Manual
Initial Power-up
Input Voltage
(Vac)
Display
flashing
Initial output
frequency
(Hz)
Display flashing
in STOP mode
Display steady
in RUN mode
Fig. 17.2 BasicKeypad Control
Approx. 2 sec.
Reset after
Fault clear
STOP
RUN
Up
Down
RESET
Select digit position
Select digit value
Output frequency control
0 – 50/60 Hz in 0.01Hz increments
FWD
REV
STOP
RUN
STOP
Local / Remote Function
In Local mode:
· The RUN command is controlled by the RUN / STOP key.
· FREQUENCY command
If b004 = 0000: The UP/DOWN keys control the output frequency.
If b004 = 0001: The front panel potentiometer controls the output frequency.
FWD
REV
RESET
In Remote mode:
· The RUN command is controlled via the function set by (b000)
· The frequency command is set by the function set by (b004)
To toggle between Local / Remote press the keys simultaneously.
17.4 Keypad Navigation
When attempting to control and set various parameters for the inverter it would be useful for the user to become
familiar with keypad navigation and to go through a few function changes before making the final settings.
17.4.1 Basic Keypad Control (Factory Default, b000=0000 & b004=0000)
In its basic form as received from the factory, the inverter output is controlled from the keypad. Please refer to the A
and b parameter list (Sec. 19.0) to view the factory default settings for the various parameters. When the inverter is
powered up, the display will be flashing and momentarily show the inverter input voltage. The flashing display will
then switch to a minimum output frequency of 05.00Hz, theFWD LED will be flashing and the Hz/RPM LED will be on.
By pressing the STOP / RUN key the output is active (RUN) and the display is on solid as is the FWD LED. Using the
< / RESET key to select the digit position and the UP/DOWN keys to select the digit value, the output frequency
may then be set from 00.0 to 50.0/60.0Hz with minimum increments of 00.1Hz. The FWD/REV key may be toggled to
set the output direction. Both the output frequency and the output direction can be set when the inverter is in the RUNorSTOP mode. When the RUN/STOP key is toggled to STOP, the set frequency is displayed and the display is again
flashing. The < / RESET key also functions to initiate a RESETafter a Fault is cleared.
17.4.2 Local / Remote Function
Keypad Functions & Navigation; Basic Keypad Control 25
N3 Drive Operations Manual
RESET
Scroll from
b000 to b016
b parameters
displayed
Scroll to function
or code value
Display flashes
Then returns to
parameter selected
Parameter
function or value
saved
Toggles display between the set output
frequency (main display) and b or A
parameters (
when A is activated
)
To enter the A parameters, select
b011 and then 0001
Returns to b menu
Fig. 17.3Setting b (Basic) and A (Advanced) Parameters
FUN
DSP
READ
ENTER
READ
ENTER
Up
Down
RESET
Select digit position
Select digit value
Scroll from
A000 to A181
Scroll to function
or code value
Display flashes
Then returns to
parameter selected
Parameter
function or value
saved
READ
ENTER
READ
ENTER
Up
Down
RESET
Select digit position
Select digit value
Returns to A menu
Select Leftmost digitSelect A
A parameters
displayed
FUN
DSP
Press at any time to
return to the main
display
READ
ENTER
Display flashes
Then returns to
parameter selected
17.4.3 Setting Parameters b(Basic) and A(Advanced) The accessing and setting of parameter groups b and A will be discussed next.
Important ! The A (Advanced) parameters are not directly accessible and must be enabled by setting parameter b011=0001.
Setting b (Basic) parameters
The basic parameters b can be accessed in two ways; the keypad or through the MODBUS protocol using an optional communications module. Here only keypad access will be described. Before proceeding, refer to the b and
A parameter list (Sec. 19.0) and note that some parameters must be changed with the inverter in the STOP mode
while others can be changed in either the RUN or STOP mode. Also changing certain parameters may also affect
other functions and should be considered before making those changes.
To enter the b parameters, press the DSP/ FUN key; the display should show b000. Using the
> / RESET key to select the digit position and the Λ / V keys to select the value, enter the parameter to be set and
then press the READ / ENTER key to save; the display should momentarily flash End and return to the parameter
selected.
Setting A (Advanced) parameters
As previously mentioned, the A parameters are not directly accessible and must be enabled. To do this, select
parameter b011 and then Code = 0001 (Enable). Press the READ / ENTER key to save; the display should be
showing b011. Using the >/ RESET key scroll to b000 position and then press the Λ key; A000 will be displayed.
Using the same procedure in setting the b parameters scroll to the desired A parameter and select the code or
function to be set and then press the READ / ENTER key to save. After allparameter changes have been made,
press the DSP/FUN key to return the main display show the output frequency.
Keypad Functions & Navigation; Setting b & A Parameters 26
N3 Drive Operations Manual
Control Mode
Variable Torque
A000=1
Vector Control
Parameters to be Set:
A001 Motor rated voltage
A002 Motor rated current
A003 Motor HP
A004 Motor rated speed
A005 Motor rated frequency
A007 AC line input voltage
Perform auto tuning : A006=1
Parameters that can be Set:
B009 V/f Pattern
A129 Torque boost
A130 Motor no load current
A131 Motor rated slip
A132 Max. output frequency
A133 Max. output voltage
A134 Medium output frequency
A135 Medium output voltage
A136 Min. output frequency
A137 Min. output voltage
Suitable motor current A002
(OL1 reference)
General Vector
A000=0
V/f Control
A000=2
(Factory Default)
END
Select Control Mode
18.0 Control Mode Selection
The N3 inverter series has three control modes:
1. General Vector Control.
2. VT (Variable torque) Vector Control (Special for Fans and Pumps).
3. V/f Control (Factory default).
The user can select one of these control modes by following the flow chart below and setting the parameters as
shown. When vector control is selected the motor HP must match the inverter rating.
The V/f control mode should be used when the following conditions apply.
(1) Using one inverter to drive several motors simultaneously.
· In this case the rated inverter output current must equal or exceed the sum total of all of the motors
(2) The motors’ nameplate information is unknown or the motor ratings are not standard.
(3) The specifications of the inverter and motor differ by more than 1 HP.
In V/f control, A001 - A005 max. & min. values are determined by the TECO standard motor specification limit.
When parameter A000 = 2 (V/f control), the keypad will display ‘Err2’ if Auto tuning is performed.
connected.
· The correct V/f pattern must be set by parameters A132 – A137.
· In this case the inverter will set the motor characteristics in accordance with a standard TECO motor.
Control Mode Selection 27
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