Danfoss FCD 302 Operating guide
Operating Guide
VLT® Decentral Drive FCD 302
vlt-drives.danfoss.com
VLT® Decentral Drive FCD 302
Operating Guide
Contents
1
Introduction 6
1.1
Purpose of this Operating Guide 6
Additional Resources 6
1.2
Manual and Software Version 6
1.3
1.4
Product Overview 6
1.4.1
Intended Use 6
1.4.2
Exploded Views 7
1.4.3
Block Diagram of the Drive 10
1.5
Type Approvals and Certifications 10
CE Declaration 12
1.6
Safety 13
2
Safety Precautions 13
2.1
Contents
Mechanical Installation 14
3
Unpacking 14
3.1
3.1.1
Items Supplied 14
3.1.2
Storage 15
3.2
Installation Environment 15
3.3
Mounting 15
3.3.1
Cooling 15
3.3.2
Recommended Tools and Equipment 16
3.3.3
Mounting 16
3.3.3.1
3.3.3.2
4
Electrical Installation 19
4.1
Safety Instructions 19
4.2
EMC-compliant Installation 19
4.3
Grounding 19
4.4
Wiring Schematic 21
Mounting the Installation Box 17
Installing the Inverter Part 18
4.5
Location of Terminals 23
4.6
Terminal Types 24
4.7
Connecting the Motor 25
4.7.1
Grounding Shielded Cable 26
4.7.2
Connecting Several Motors 27
4.8
Connecting AC Mains 28
4.8.1
Connecting the Drive to Mains 28
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VLT® Decentral Drive FCD 302
Operating Guide
4.9
Motor and Mains Connection with Service Switch 29
4.10
Control Terminals 29
4.10.1
Control Wiring 29
4.10.2
Terminal Functions 29
4.10.3
Brake Resistor 30
4.10.4
Mechanical Brake 31
4.10.5
Connection of Sensors/Actuators on M12 Sockets 31
4.10.6
DIP Switches 32
4.10.7
Safe Torque Off (STO) 32
4.10.8
RS485 Serial Communication 32
4.10.8.1
4.11
Installation Checklist 33
5
Commissioning 35
5.1
Safety Instructions 35
Connecting and Setting Up RS485 33
Contents
5.1.1
Before Applying Power 35
5.2
Applying Power 35
5.3
Local Control Panel Operation 36
5.3.1
Local Control Panel 36
5.3.2
LCP Layout 36
5.3.3
Parameter Settings 38
5.3.4
Uploading/Downloading Data to/from the LCP 38
5.3.5
Changing Parameter Settings 38
5.3.6
Restoring Default Settings 39
5.3.6.1
5.3.6.2
5.4
Basic Operational Programming 39
5.5
Automatic Motor Adaptation (AMA) 41
5.5.1
Running AMA 41
5.6
Local-control Test 41
5.7
System Start-up 41
Recommended Initialization 39
Manual Initialization 39
6
Maintenance, Diagnostics and Troubleshooting 42
6.1
Maintenance and Service 42
6.2
Cleaning 42
6.3
Frontal LEDs 42
6.4
Status Display 43
6.5
Status Message Definitions 43
6.6
Warning and Alarm Types 46
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VLT® Decentral Drive FCD 302
Operating Guide
6.7
Warning and Alarm Displays 46
6.8
List of Warnings and Alarms 47
7
Specifications 61
7.1
Electrical Data 61
7.2
Mains Supply (L1, L2, L3) 62
7.3
Motor Output and Motor Data 62
7.3.1
Motor Output (U, V, W) 62
7.3.2
Torque Characteristics 62
7.4
Ambient Conditions 63
7.4.1
Environment 63
7.5
Cable Lengths and Cross-sections 63
7.6
Control Input/Output and Control Data 64
7.6.1
Digital Inputs 64
7.6.2
STO Terminal 37 (Terminal 37 is Fixed PNP Logic) 64
Contents
7.6.3
Analog Inputs: 64
7.6.4
Pulse/Encoder Inputs 65
7.6.5
Digital Outputs 65
7.6.6
Analog Output 66
7.6.7
Control Card, 24 V DC Output 66
7.6.8
Control Card, +10 V DC Output 66
7.6.9
Control Card, RS485 Serial Communication 66
7.6.10
Control Card, USB Serial Communication 66
7.6.11
Relay Outputs 66
7.6.12
Control Card Performance 67
7.6.13
Control Characteristics 67
7.7
Fuses and Circuit Breakers 67
7.7.1
Recommendations 67
7.7.2
Recommended Maximum Pre-fuse Size 25 A 68
7.8
Mechanical Dimensions 68
8
Appendix 71
8.1
Symbols, Abbreviations and Conventions 71
8.1.1
Symbols and Abbreviations 71
8.2
Quick Menu Parameters 72
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Edition
Remarks
Software version
AQ267036816112, version 0201
Editorial update
8.5X
VLT® Decentral Drive FCD 302
Operating Guide
Introduction
1 Introduction
1.1 Purpose of this Operating Guide
This Operating Guide provides information for safe installation and commissioning of the AC drive. It is intended for use by qualified
personnel.
Read and follow the instructions to use the drive safely and professionally.
Pay particular attention to the safety instructions and general warnings. Always keep this Operating Guide with the drive.
VLT® is a registered trademark for Danfoss A/S.
1.2 Additional Resources
Other resources are available to understand advanced drive functions and programming.
•
The VLT® Decentral DriveFCD 302 Design Guide provides detailed information about capabilities and functionality to design
motor control systems.
•
The VLT® AutomationDrive FC 301/302 Programming Guide provides greater detail on working with parameters and many application examples.
•
Instructions for operation with optional equipment.
Supplementary publications and manuals are available at
1.3 Manual and Software Version
This manual is regularly reviewed and updated. All suggestions for improvement are welcome.
www.danfoss.com.
Table 1: Manual and Software Version
1.4 Product Overview
1.4.1 Intended Use
The drive is an electronic motor controller intended for:
•
Regulation of motor speed in response to system feedback or to remote commands from external controllers. A power-drive
system consists of the drive, the motor, and equipment driven by the motor.
•
System and motor status surveillance.
The drive can also be used for motor protection.
Depending on the configuration, the drive can be used in standalone applications or form part of a larger appliance or installation.
The VLT® Decentral Drive FCD 302 is designed for decentral mounting, for example, in the food and beverage industry, or for other
material handling applications. With the FCD 302, it is possible to reduce costs by placing the power electronics decentrally. Central
panels are then rendered obsolete, saving cost, space, and effort for installation and wiring. The basic design is service-friendly with
a pluggable electronic part and a flexible and spacious wiring box. It is easy to change electronics without the need for rewiring.
Installation environment: The drive is allowed for use in residential, industrial, and commercial environments in accordance with
local laws and standards.
N O T I C E
RADIO INTERFERENCE
In a residential environment, this product can cause radio interference, in which case supplementary mitigation measures can be
required.
Take the necessary precautions.
-
Foreseeable misuse
Do not use the drive in applications which are non-compliant with specified operating conditions and environments.
Ensure compliance with the conditions specified in 7.4.1 Environment.
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VLT® Decentral Drive FCD 302
Operating Guide
1.4.2 Exploded Views
Introduction
Illustration 1: Exploded View Small Unit
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1
Inverter part
2
Fastening screws (4 x, 1 in each corner)
3
Sealing gasket
4
Inverter part plastic cover
5
Ground connection pin
6
Installation box
7
Display connection
8
Access to USB port
9
Service switch-motor side (alternatively, switch located on mains side, or not mounted)
10
Flat mounting brackets
VLT® Decentral Drive FCD 302
Operating Guide
Introduction
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6
5
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2
3
4
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8
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VLT® Decentral Drive FCD 302
Operating Guide
Introduction
Illustration 2: Exploded View Large Unit
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•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1
Inverter part
2
Fastening screws (4 x, 1 in each corner)
3
Sealing gasket
4
Inverter part plastic cover
5
Ground connection pin
6
Installation box
7
Display connection
8
Access to USB port
9
Service switch
(1)
motor side (alternatively, switch lo-
cated on mains side, or not mounted)
10
Flat mounting brackets
11
Circuit breaker
(1)
(optional)
e75za016.12
1
Mains input
3-phase AC mains power supply to the drive.
2
Rectifier
The rectifier bridge converts the AC input to DC
current to supply inverter power.
3
DC bus
Intermediate DC-bus circuit handles the DC current.
4
DC reactors
Filter the intermediate DC circuit voltage.
Prove line transient protection.
Reduce RMS current.
Raise the power factor reflected back to the line.
Reduce harmonics on the AC input.
5
Capacitor bank
Stores the DC power.
Proves ride-through protection for short power
losses.
6
Inverter
Converts the DC into a controlled PWM AC
waveform for a controlled variable output to the
motor.
7
Output to motor
Regulated 3-phase output power to the motor.
8
Control circuitry
Input power, internal processing, output, and
motor current are monitored to provide efficient
operation and control.
User interface and external commands are
monitored and performed.
Status output and control can be provided.
VLT® Decentral Drive FCD 302
Operating Guide
1
The unit can be configured with either service switch or circuit breaker, not both. The illustration shown is not configurable in practice, but shows
the respective positions of components only.
Introduction
1.4.3 Block Diagram of the Drive
Illustration 3: Block Diagram
1.5 Type Approvals and Certifications
The following list is a selection of possible type approvals and certifications for Danfoss drives:
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VLT® Decentral Drive FCD 302
Operating Guide
Table 2: Type Approvals and Certifications
Introduction
N O T I C E
The specific approvals and certification for the drive are on the nameplate of the drive. For more information, contact the local
Danfoss office or partner.
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VLT® Decentral Drive FCD 302
Operating Guide
1.6 CE Declaration
Introduction
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VLT® Decentral Drive FCD 302
Operating Guide
Safety
2 Safety
2.1 Safety Precautions
W A R N I N G
HIGH VOLTAGE
AC drives contain high voltage when connected to AC mains input, DC supply, or load sharing. Failure to perform installation,
start-up, and maintenance by qualified personnel can result in death or serious injury.
Only qualified personnel must perform installation, start-up, and maintenance.
-
W A R N I N G
UNINTENDED START
When the drive is connected to the AC mains, the motor may start at any time, causing risk of death, serious injury, and equip-
ment or property damage. The motor may start by activation of an external switch, a fieldbus command, an input reference signal
from the LCP or LOP, via remote operation using MCT 10 Set-up software, or after a cleared fault condition.
Press [Off] on the LCP before programming parameters.
-
Disconnect the drive from the mains whenever personal safety considerations make it necessary to avoid unintended motor
-
start.
Check that the drive, motor, and any driven equipment are in operational readiness.
-
W A R N I N G
DISCHARGE TIME
The drive contains DC-link capacitors, which can remain charged even when the drive is not powered. High voltage can be
present even when the warning indicator lights are off.
Failure to wait the specified time after power has been removed before performing service or repair work could result in death or
serious injury.
Stop the motor.
-
Disconnect AC mains, permanent magnet type motors, and remote DC-link supplies, including battery back-ups, UPS, and
-
DC-link connections to other drives.
Wait for the capacitors to discharge fully. The time for full discharge of the capacitors is minimum 4 minutes for VLT® Decen-
-
tral Drive FCD 302, 400 V AC, 0.37–3.0 kW (0.5–4.0 hp).
Before performing any service or repair work, use an appropriate voltage measuring device to make sure that the capacitors
-
are fully discharged.
C A U T I O N
INTERNAL FAILURE HAZARD
An internal failure in the drive can result in serious injury when the drive is not properly closed.
Ensure that all safety covers are in place and securely fastened before applying power.
-
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VLT®
MADE IN DENMARK
P/N: 131Z5118 S/N: 000000G000
1.5kW(400V) / 2.0HP(460V)
IN: 3x380-480V 50/60Hz, 3.7/3.1A
OUT: 3x0-Vin 0-590Hz, 4.1/3.4A
*
1
3
1
Z
5
1
1
8
0
0
0
0
0
0
G
0
0
0
*
Decentral Drive
www.danfoss.com
T/C: FCD302P1K5T4W66H1X1XMFCFXXXXA0BXXXXXXDX
1
2
4
5
6
7
3
IP66 Enclosure Tamb. 40 ˚C/104 ˚F
Enclosure rating:
LISTED E134261 76X1 IND. CONT. EQ.
Type 4X Indoor Use Only
Danfoss A/S
6430 Nordborg
Denmark
8
9
10
e30bf338.11
1
Type code
2
Ordering number
3
Serial number
4
Power rating
5
Input voltage, frequency, and current (at low/high
voltages)
6
Output voltage, frequency, and current (at low/high
voltages)
7
Enclosure type and IP rating
8
Maximum ambient temperature
9
Certifications
10
Enclosure rating
VLT® Decentral Drive FCD 302
Operating Guide
Mechanical Installation
3 Mechanical Installation
3.1 Unpacking
3.1.1 Items Supplied
The packaging contains:
•
Accessories bag, supplied only with order of installation box. The bag contains:
-
2 cable clamps.
-
Bracket for motor/loads cables.
-
Elevation bracket for cable clamp.
-
Screw 4 mm, 20 mm.
-
Thread forming 3.5 mm, 8 mm.
•
Operating Guide.
•
Drive.
Depending on options fitted, the box contains 1 or 2 bags and 1 or more booklets.
•
Make sure that the items supplied and the information on the nameplate correspond to the order confirmation.
•
Check the packaging and the drive visually for damage caused by inappropriate handling during shipment. File any claim for
damage with the carrier. Retain damaged parts for clarification.
LOSS OF WARRANTY
Do not remove the nameplate from the drive.
N O T I C E
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100 (4)
100 (4)
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VLT® Decentral Drive FCD 302
Operating Guide
Mechanical Installation
3.1.2 Storage
Ensure that the requirements for storage are fulfilled, see 7.4.1 Environment.
3.2 Installation Environment
N O T I C E
REDUCED LIFETIME
In environments with airborne liquids, particles, or corrosive gases, ensure that the IP/Type rating of the equipment matches the
installation environment. Failure to meet requirements for ambient conditions can reduce lifetime of the drive.
Ensure that requirements for air humidity, temperature, and altitude are met.
-
Vibration and shock
The drive complies with requirements for units mounted on the walls and floors of production premises, and in panels bolted to
walls or floors. For detailed ambient conditions, refer to 7.4.1 Environment.
3.3 Mounting
3.3.1 Cooling
The VLT® Decentral DriveFCD 302 has no forced cooling. It relies only on natural convection for cooling using the cooling fins.
•
A minimum of 100 mm (4 in) top and bottom air cooling clearance must be provided.
•
Derating starts above 40 °C (104 °F) and 1000 m (3280 ft) elevation above sea level. See the VLT® Decentral DriveFCD 302 Design
Guide for detailed information.
Illustration 4: Top and Bottom Cooling Clearance
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Equipment
Size
Description
Screwdrivers
––Socket (Hex)
8
For fastening inverter screws/mounting of brackets
Slotted
0.4x2.5
For spring loaded power and control terminals
Slotted/Torx
1.0x5.5/TX20
For cable clamps inside the installation box
Spanner
19, 24, 28
For blind-plugs
LCP, ordering number 130B1078
–
Local control panel
LCP cable, ordering number 130B5776
–
Connection cable for local control panel
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VLT® Decentral Drive FCD 302
Operating Guide
3.3.2 Recommended Tools and Equipment
Table 3: Recommended Tools and Equipment
3.3.3 Mounting
The VLT® Decentral DriveFCD 302 consists of 2 parts:
•
Installation box
•
Electronic part
See 1.4.2 Exploded Views.
Mechanical Installation
Illustration 5: Allowed Mounting Positions - Standard Applications
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VLT® Decentral Drive FCD 302
Operating Guide
Mechanical Installation
Illustration 6: Allowed Mounting Positions - Hygienic Applications
3.3.3.1 Mounting the Installation Box
W A R N I N G
ELECTRICAL HAZARD
Applying power to the unit at this stage could result in death or serious injury.
Do not apply power before the electrical installation is complete.
-
W A R N I N G
PERSONAL INJURY OR PROPERTY DAMAGE
Do not switch on the mains before the 4 screws are tightened. Failure to tighten these screws can result in personal injury or
material damage when the unit is loaded.
Tighten screws before switching on power.
-
Ensure that the strength of the mounting location can support the unit weight.
-
•
Use the holes on the rear of the installation box to fix mounting brackets.
•
Use proper mounting screws or bolts.
•
For hygienic versions, use cable glands designed to meet hygienic application requirements, for example Rittal HD
2410.110/120/130.
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VLT® Decentral Drive FCD 302
Operating Guide
1.
Mount the VLT® Decentral DriveFCD 302 vertically on a wall or machine frame. For hygienic versions ensure that liquids
drain off the enclosure and orient the unit so the cable glands are located at the base.
Example
Mechanical Installation
Illustration 7: FCD 302 Standalone Mounted with Mounting Brackets
3.3.3.2 Installing the Inverter Part
Procedure for compressing the gasket between the 2 parts.
Procedure
1.
Tighten the 4 connection screws to torque 2.8–3.0 Nm (24–26 in-lb).
2.
Tighten the 4 screws in diagonally opposite order.
3.
Tighten the 2 grounding spears to torque 3.0 (26 in-lb).
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VLT® Decentral Drive FCD 302
Operating Guide
Electrical Installation
4 Electrical Installation
4.1 Safety Instructions
See 2.1 Safety Precautions for general safety instructions.
W A R N I N G
INDUCED VOLTAGE
Induced voltage from output motor cables that run together can charge equipment capacitors, even with the equipment turned
off and locked out. Failure to run output motor cables separately or to use shielded cables could result in death or serious injury.
Run output motor cables separately or use shielded cables.
-
Simultaneously lock out all the drives.
-
W A R N I N G
SHOCK HAZARD
The unit can cause a DC current in the PE conductor. Failure to use a Type B residual current-operated protective device (RCD)
may lead to the RCD not providing the intended protection and therefore may result in death or serious injury.
When an RCD is used for protection against electrical shock, only a Type B device is allowed on the supply side.
-
Overcurrent protection
•
Extra protective equipment, such as short-circuit protection or motor thermal protection between drive and motor, is required
for applications with multiple motors.
•
Input fusing is required to provide short circuit and overcurrent protection. If not factory-supplied, the installer must provide
fuses. See maximum fuse ratings in 7.7.2 Recommended Maximum Pre-fuse Size 25 A.
Wire type and ratings
•
All wiring must comply with local and national regulations regarding cross-section and ambient temperature requirements.
•
Power connection wire recommendation: Minimum 75 °C (167 °F) rated copper wire. See 7.1 Electrical Data for recommended
wire sizes and types.
4.2 EMC-compliant Installation
To obtain an EMC-compliant installation, follow the instructions provided in 4.3 Grounding, 4.4 Wiring Schematic, 4.7 Connecting
the Motor, and 4.10.1 Control Wiring.
N O T I C E
POTENTIAL EQUALIZATION
Risk of burst transient when the ground potential between the drive and the control system is different. Install equalizing cables
between the system components. Recommended cable cross-section: 16 mm2 (6 AWG).
4.3 Grounding
For electrical safety
•
Ground the drive in accordance with applicable standards and directives.
•
Use a dedicated ground wire for input power, motor power, and control wiring.
•
Do not ground 1 drive to another in a daisy chain fashion.
•
Keep the ground wire connections as short as possible.
•
Follow motor manufacturer's wiring requirements.
•
Minimum cable cross-section: 10 mm2 (7 AWG) (or 2 rated ground wires terminated separately).
For EMC-compliant installation
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VLT® Decentral Drive FCD 302
Operating Guide
•
Establish electrical contact between the cable shield and the drive enclosure by using metal cable glands or by using the clamps
provided on the equipment.
•
Use high-strand wire to reduce electrical interference.
•
Do not use pigtails.
Electrical Installation
N O T I C E
POTENTIAL EQUALIZATION
Risk of burst transient when the ground potential between the drive and the control system is different. Install equalizing cables
between the system components. Recommended cable cross-section: 16 mm2 (6 AWG).
C A U T I O N
PE CONNECTION
The metal pins in the corners of the electronic part and the holes on the corner of the installation box are essential for the protec-
tive earth connection. Make sure that they are not loosened, removed, or violated in any way. Tightening torque requirement is
3 Nm (26.6 in-lb).
Illustration 8: PE Connection Between the Installation Box and the Electronic Part
N O T I C E
The external grounding terminal is available as an accessory (ordering number 130B5833).
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3-phase
power
input
Mechanical
brake
+10 V DC
-10 V DC+10 V DC
0/4-20 mA
-10 V DC+10 V DC
0/4-20 mA
91 (L1)
92 (L2)
93 (L3)
95 (PE)
122(MBR+)
123(MBR-)
50 (+10 V OUT)
53 (A IN)
54 (A IN)
55 (COM A IN)
12 (+24 V OUT)
13 (+24 V OUT)
18 (D IN)
19 (D IN)
20 (COM D IN)
27 (D IN/OUT)
29 (D IN/OUT)
24V
OV
32 (D IN)
33 (D IN)
37 (D IN)
S201
S202
ON/I=0-20mA
OFF/U=0-10V
P 5-00
24 V (NPN)
0 V (PNP)
24 V (NPN)
0 V (PNP)
24 V (NPN)
0 V (PNP)
24 V (NPN)
0 V (PNP)
24 V (NPN)
0 V (PNP)
24 V (NPN)
0 V (PNP)
Switch mode
power supply
10 V DC
15 mA
24 V DC
600 mA
(U) 96
(U) 97
(W) 98
(PE) 99
Motor
Brake
resistor
(R+) 82
(R-) 81
Relay1
Relay2
03
02
01
06
05
04
240 V AC, 2A
240 V AC, 2A
400 V AC, 2A
Analog output
0/4–20 mA
(COM A OUT) 39
(A OT) 42
ON=Terminated
OFF=Open
S801
S801
GX
(N RS485) 69
(P RS485) 68
5V
RS485
Interface
(COM RS485) 61
(PNP) = Source
(NPN) = Sink
RS485
ON
1 2
ON
1 2
ON
1 2
0 V
VCXA
PROFIBUS
interface
GND1
GND1
RS485
66
63
62
67
GX
VLT® Decentral Drive FCD 302
Operating Guide
4.4 Wiring Schematic
Electrical Installation
Illustration 9: Basic Wiring Schematic
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U
96
V
97
W
98
L
1
L
2
L
3
L
1
91
L
2
92
L
3
93
12
27
T
1
T
2
T
3
NO
NC
NO
NC
L
2
L
3
PE
L
1
41
33
5
3
1
2
4
6
34
42
1
2
1
Looping terminals
2
Circuit breaker
L
1
L
2
L
3
PE
U
96
V
97
W
98
L
1
91
L2
92
L3
93
12
27
U
V
W
1
2
3
4
5
6
7
8
1
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1
Looping terminals
VLT® Decentral Drive FCD 302
Operating Guide
Illustration 10: Large Unit only: Circuit Breaker and Mains Disconnect
Electrical Installation
Illustration 11: Large Unit only: Service Switch at Mains with Looping Terminals
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4
5
6
7
8
9
10
11
13
13
13
12
L3/93
L1/91
L2/92
8182123
122
U/96
V/97W/98
R
G
V
N
P
B04
B03
B02
B01
B08
B01B06
B05
B12
B11
B10B09
12
18 19 27
29 32 33
12
12
12
12
12
12
13
20
20
20
20 20
20
20
20
20
39
50
54
5355
42
37
37
1
Digital and analog inputs/outputs
2
Safe Torque Off (STO), LCP connection, B-option
3
Relay 1
4
Relay 12
5
Motor, mechanical brake, brake resistor
6
Mains
7
24 V DC back-up input
8
USB port
9
Standard bus/RS485
10
PROFIBUS
11
Ethernet port
12
Ethernet port
13
Protective Earth (PE)
VLT® Decentral Drive FCD 302
Operating Guide
4.5 Location of Terminals
Electrical Installation
Illustration 12: Location of Terminals (Small Unit)
AQ267036816112en-000201 / 130R0208 | 23Danfoss A/S © 2021.09
e30bc386.10
1
2
3
4
5
13
7
8
9
10
13
6
13
11
12
L3/93 L1/91L2/92
8182123122U/96V/97W/98
R
G
V
N
P
B04
B03
B02B01
B08
B01B06
B05
B12
B11
B10B09
12
18 19 27
29 32 33
12
12
12 12
12
12
13
20
20
20
20 20
20
20
20
20
39
50
54
5355
42
37
37
1
Digital and analog inputs/outputs
2
Safe Torque Off (STO), LCP connection, B-option
3
Relay 1
4
Relay 12
5
Motor, mechanical brake, brake resistor
6
Mains
7
24 V DC back-up input
8
USB port
9
Standard bus/RS485
10
PROFIBUS
11
Ethernet port
12
Ethernet port
13
Protective Earth (PE)
VLT® Decentral Drive FCD 302
Operating Guide
Electrical Installation
Illustration 13: Location of Terminals (Large Unit)
For both small and large units, the service switch is optional. The switch is shown mounted on the motor side. Alternatively, the
switch can be on the mains side or omitted.
For the large unit, the circuit breaker is optional. The large unit can be configured with either service switch or circuit breaker, not
both. The illustration shown is not configurable in practice, but shows the respective positions of components only.
4.6 Terminal Types
Motor, control, and mains terminals are spring loaded (CAGE-CLAMP) type.
1.
Open the contact by inserting a small screwdriver into the slot above the contact, as shown in Illustration 14.
2.
Insert the stripped wire into the contact.
3.
Remove the screwdriver to fasten the wire into the contact.
AQ267036816112en-000201 / 130R020824 | Danfoss A/S © 2021.09
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