NX Variable Frequency Drives

Perfect match for HVAC

Field DevicesAll you need in HVAC Control

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Where are variable frequency drives used?

• Buildings:- Primarily commercial

• Applications:- Air handling

- District Heating

- Room & Zone

• Operation:- Control fans, pumps,

compressors to reduce energy consumption

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Where are variable frequency drives used?

• Heating, Ventilation and Air Conditioning (HVAC) system

Chiller

Cooling tower

Boiler/heating pump

Ventilation fan

Cooling coil

Heating coilNeed for AC Drive!

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What is a variable frequency drive?

• Also known as: Frequency Converter (FC), Variable Speed Drive (VSD), AC Drive, Inverter etc.

A squirrel cage motor is the typically used electrical motor in

industry and public engineering sector

Stepless control for the speed of a

squirrel cage motor

Smooth andAccurate control

Improved control over the system

Cost reductions throughEnergy savings and

improved quality

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Why use variable frequency drives?

• Saves energy through fan and pump speed control- up to 70% energy savings in pump and fan applications

e.g. 32% average savings in a ventilation system → Payback period of 1 year

• Decreases mechanical stress due to pressure spikes with direct on-line start & stop- VFDs creates a smooth start which reduces the pressure spikes

that reduce system lifetime

• Reduces the starting current of the motor- VFDs minimize the starting current of the motor, which means

electrical installation investments can be lower

Save energy, increase system lifetime, save on investments

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Why use variable frequency drives?

0

20

40

60

80

100

20 40 60 80 1000Flow Q %

Power P %

Valve

Speed Control

Saves energy through fan & pump speed control

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Why use variable frequency drives?

• Energy savings & payback period on investment in VFDs

81%

Payback time: 1.5

years

32%

Payback time:

1 year

44%

Payback time:

2 years35%

Payback time: 0.5

year

0 %

10 %

20 %

30 %

40 %

50 %

60 %

70 %

80 %

90 %

Lift Waste water pump Bottling station Ventilation system

Savings

Source: ZVEI (Zentralverband Elektrotechnik- und Eletronikindustrie e.V.)

average 32% energy savings & 1 year payback

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Why use variable frequency drives?

Direct on-lineStart

Switch-Off

Pressurein pipe

Time

Repeated pressure spikes reduces the lifetime of a system

Pressure spikes in long pipes with direct on-line start & stop

Reduced mech. Stress increased system lifetime

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Why use variable frequency drives?

• Reduced starting current

0

100

200

300

400

500

600

700

800

0 10 20 30 40 50

Hz

% L

ine C

urr

en

t

AC Drive

Soft Starter

Star - Delta

Direct On Line

Lower electrical installation investments

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What does Honeywell offer in VFDs?

Honeywell NXLHVAC drives

0.75 - 30 kW 380 – 500 V

Honeywell NXLCompact drives

0.25 - 1.5 kW 208 – 240 V0.37 – 3 kW 380 – 500 V

Honeywell NXSMultipurpose drives

0.55 - 90 kW 208 – 240 V0.75 - 400 kW 380 – 500 V2.2 - 560 kW 525 – 690 V

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What’s special about Honeywell VFDs?

• Honeywell VFD Highlights (all platforms) - Compact and robust design

- Easy commissioning and use

- Low audible noise from the motor

- High class functionality

- High flexibility to fulfill any need

- High starting torque & dynamics

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What’s special about Honeywell VFDs?

High voltage separated from control electronics

Integrated Ac choke as standard

Removable display panel

Separate control unit

Easily replaceable, temperature controlled cooling fan

Integrated EMC filters as standard

Easily configurable versatile I/O to meet all requirements

Super cooling principle- based channel totally separated from electronics

Easy to access power terminalsUnder the protective plate

Patented strip solution for proper 360 controls grounding

• Compact & robust design

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What’s special about Honeywell VFDs?

Honeywell is the Most Compact in the Market!

Bookcase design

VLT 5060257

237

591 715

ACS 601

IP5445/55 kW

50 KGI-level

306

429

IP5445/55 kW124 KGI-level

937

495

421

35.9 L100 %

93,9 L260 %

195,3 L542 %ABB

DANFOSS

IP5445/55 kW

35 KGH-level

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What’s special about Honeywell VFDs?

• Features- Start Up Wizard

The complete product range can be programmed with the help of start-up wizard

- Panel – Remove operation The complete product range have easy change

of the control place function Usefull function when commissioning HVAC

applications. All product behave in similar way

• Benefits:- Easy commissioning

- Simple to use

Press LEFT ARROW for 3 s to

change control place

Honeywell - the easiest to use and commission

NEW

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What’s special about Honeywell VFDs?

• Features:- High Switching Frequency

Refers to frequency of the IGBT switches in operation

Higher frequency less noise from the motor Best solution without de-rating

• Honeywell offers 6kHz (NXL) and 10 kHz (NXS) compared to 4kHz (Danfoss)

- Temperature-controlled fans Fan stops operating when not needed

• Benefits:- Lowest Audible Motor Noise

- Reduced Noise caused by the VFD itself

- Optimized energy consumption of the drive

Highest Switching Frequency = Lowest Noise

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What’s special about Honeywell VFDs?

• Features:- Easy- installable credit-card size option boards

Wide selection of control inputs and outputs • Analog I/Os, relays, digital inputs, thermistor inputs

Wide selection of field buses

• Benefits:- Flexible & upgradeable in the field

Honeywell VFDs – flexibility to meet any need

•Modbus RTU

•Metasys N2

•LonWorks

•DeviceNet

•Ethernet TCPIP

•Profibus DP

•CANopen

•BACnet

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What’s special about Honeywell VFDs?

High performance through excellent motor control

• Features:- High starting torque & dynamics

Sophisticated open loop vector control• Automatic torque boost function • Motor auto identification function in entire product family

• Benefits:- Excellent performance

Highly accurate motor control Increased reliability Smooth start even for high inertia fans

- Best flying start in market Best solution for clean room air handling

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What’s special about Honeywell VFDs?

• Honeywell VFD PC Tools- NCload: for easy software downloading

Uses standard RS232 communication port for downloading

Items that can be downloaded:• System software• Application software• Software for option cards• Language package

Activates required application

Language pack view

Application loading view

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What’s special about Honeywell VFDs?

• NCdrive- for easy commissioning- Parameter handling for all NX products

Online or Offline Parameter editing Parameter set comparison Save or print parameters, graphs, drive

information, fault history

- Commissioning & maintenance Graphical window for online drive signal

monitoring Control the drive from the tool:

• Start, stop, change direction, reference, fault reset, coast stop

Read active faults & fault history

- Service Info Function Saves all drive information including hardware &

software configuration

Parameter window

Control window

Monitoring window

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Tell me the technical aspects of NXL compact…

• NXL Compact Series 0,37 – 1,5KW (208 – 240V 1~/3~) 0,55 – 2,2KW (380 – 500V 3~) IP20 enclosure class EMC

• N – Level: no emission class• H – Level: comm. standard

(external filters available)

Accessories• 1 plug-in for I/0 expanders or field busses• RS232 adapter (for PC connection)• Display panel door installation set• PC tools

NXL Compact is a high featured Micro Drive

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What’s special about NXL compact series?

• Easy Installation:- Flexible installation options

(back or side, screw or DIN rail)

- Start-up Wizard

• Best Features:- Fully programmable I/O, auto-identification, PID

controller, flying start) → very high functionality and flexibility against any micro range product

- Options: I/Os, field busses, display panels RFI filters AC chokes

• Low Audible Noise

NXL Compact is a high featured Micro Drive

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Tell me the technical aspects of NXL HVAC…

• NXL HVAC Series 0,75 – 30 KW (380 – 500V 3~) IP21, IP54 enclosure classes EMC

• H – Level: comm. standard• C – Level: comm. special (hospitals, airports)

Accessories• 2 plug-ins for I/O expanders or field busses• RS232 adapter (for PC connection)• Display panel door installation set• PC tools

NXL HVAC is a dedicated solution for HVAC

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What’s special about NXL HVAC series?

• Easy Installation & Set-up:- Quick Installation Guide

- 30 second start-up wizard

• Extremely low motor noise- High switching frequency

• High starting torque & dynamics- Sophisticated open loop vector control &

effective design

• Suitable for all HVAC applications- Fans, Pumps, Compressors

NXL: Perfect for HVAC Applications up to 30kW

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What’s special about NXL HVAC series?

• Feature: - Quick Installation Guide

Includes 1-page instructions for installation & set-up

Attached to product

• Benefits:- Quick & Easy Installation

Most important info available at a glance Instructions aren’t thrown out with

product packaging

NXL HVAC: Easiest to Install

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What’s special about NXL HVAC series?

NXL HVAC: Fastest to Set-Up

• Feature: - 30 second start-up wizard

• Benefits:- Quick & Easy Installation

VFD programming in just 4 easy steps:• Activate the Start-up Wizard• Select the mode (fan or pump)• Tune the motor nominal speed• Tune the motor nominal current

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Tell me the technical aspects of NXS multipurpose…

NXS is flexible & configurable to meet any need

• NXS Multipurpose Series For open loop applications such as conveyors, mixers,

pumps, and fans 0,37- 90 kW (208-240V ), 0,75 - 400 kW (380-500V),

2,2 - 560 kW (525-690V) IP21, IP54 (up to 250 kW) enclosure classes EMC

• C – Level: comm. special (optional up to 30KW units)• H – Level: comm. standard (standard up to 160KW units)• L – Level: industrial (standard from 200KW +)

Accessories• 5 plug-ins for I/0 expanders and field busses• Display panel door installation set, through-hole mounting kits• Keypad for Chinese & Cyrillic letters• PC tools

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What’s special about NXS multipurpose series?

NXS is flexible & configurable to meet any need

• Easy Installation:- Start-up wizard

- Alpha-numeric display panel, memory and back-up functions

• Flexibility- Variety of option boards & slots

- Wide Power and Voltage range

- Alpha-numeric display panel, memory and back-up functions

- 7 predefined application software to ensure suitability to any application

- Several special application software available

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What’s special about NXS multipurpose series?

• Features:- Hardware-coded option boards & slots

- 5 option board slots with 20 different boards to select

- Isolated thermistor input as standard

• Benefits:- Real flexibility to fulfill any need from the

application

NXS is flexible & configurable to meet any need

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When to choose NXS over NSL?

• Why choose NXS multipurpose over NXL HVAC?- applications over 30kW (up to 400kW)

- alphanumeric display with memory More comprehensive start-up wizard PID with real units (bar, psi, etc.) Parameter copy & back-up Special panel for Cyrillic & Chinese letters Multi-monitor view (3 values simultaneously)

- 10 kHz switching frequency without de-rating (up to 30kW)

- wider selection of special application software Water Solutions Package: Multi-master Pump Cascade Controller, Sewage

Tank Level Controller Extra PID Controller i.e. NXS controlling an actuator

- More I/O options: 5 option board slots instead of just 1 or 2

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How do Honeywell NXL VFDs compare?

Honeywell Danfoss Danfoss ABB Siemens

NXL HVAC VLT 6000VLT HVAC

FC100 ACH 550 SED2Easy Installation

Quick guide Start-up Wiz. No No

Start-up Wizard only No

Compact size (*

IP21 small IP54 smallest

IP20 +41% IP54 +266%

IP21 +25% IP55 +120%

IP21 +25% IP54 +121%

IP20 -5% IP54 +218%

Switching frequency 6 kHz 4.5 kHz 5 kHz 4 kHz 4 kHz

EMC filtering

IP21: Integr. normalIP54: Integr. special (full)

Normal and special (not full) options. External from 11 kW

Intergr. solution for normal available

Intergr. solution for normal available

IP20 External filters. IP54 integr. special (not full)

Thermistor Input Yes (isolated) No

Yes (non-isolated)

Yes (non-isolated)

Yes (non-isolated)

(* average difference 1,1 - 30 kW units footprint size

Product

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How do Honeywell NXS VFDs compare?

Honeywell Danfoss Danfoss ABB SiemensProduct

NXS VLT 6000VLT HVAC

FC100 ACH 550 SED2Easy Installation

Start-up Wizard No No

Start-up Wizard No

Compact size (*

IP21 small IP54 smallest

IP20 +41% IP54 +266%

IP21 +25% IP55 +120%

IP21 +25% IP54 +121%

IP20 -5% IP54 +218%

Switching frequency 10 kHz 4.5 kHz 5 kHz 4 kHz 4 kHz

EMC filtering

Intergr.normal in all. Special as integr. option (up to 30kW)

Normal and special (not full) options. External from 11 kW

Intergr. solution for normal available

Intergr. solution for normal available

IP20 External filters. IP54 integr. special (not full)

Thermistor Input Yes (isolated) No

Yes (non-isolated)

Yes (non-isolated)

Yes (non-isolated)

(* avg. diff. 1,1 - 30 kW units footprint size