1.0 hp – 450 hp
(0.75 kW – 315 kW)
208 - 230 V | 460 V | 575 V
- Overview
- Specifications
- Options
- Downloads
Efficiency and Reliability in HVAC Systems
The HVAC Drive H300 Variable Frequency Drive (VFD) is the result of extensive research and decades of experience in the HVAC market. Designed for fan, pump, and compressor control, it delivers precise flow management, energy efficiency, and long-term reliability.
Part of the Specialist Series of industry-specific drives, the H300 builds on 50+ years of drives expertise, ensuring dependable performance for building automation and HVAC applications.
Compact Design for Maximum Flexibility
The HVAC Drive H300 is among the most compact VFDs in its class, saving valuable space, simplifying installation, and maximizing mounting flexibility.
Introducing The Specialist HVAC Drive, from the drive specialists
Features
A complete HVAC building automation solution
The HVAC Drive H300 is designed for fan, pump, and compressor control in HVAC applications. It includes all the features expected from a dedicated HVAC drive and more:
- Optimized for HVAC applications
- Advanced motor control for fans, pumps, and compressors
- High energy efficiency and reliability
Building automation systems
Seamless integration with building automation systems with support for:
- BACnet MS/TP onboard and BACnet IP option – BTL conformance tested for reliable operation
- Modbus RTU
Custom software
- Flexibility without a building management system using onboard PLC
- Optional modules for custom application software
Fire mode
- Allows the drive to run uninterrupted during a fire
- Maximises smoke extraction in emergencies by disabling certain protection features
Low audible noise
- Quiet motor operation with high switching frequencies up to 16 kHz
- Intelligent 10-speed cooling fan for minimal noise
Conformal coated PCBs
- High reliability with conformally coated PCBs as standard
Compact dimensions
- Among the most compact VFDs in its class
- Maximises mounting flexibility
Dual process PID loops
- Built-in dual process PID loops
- Operate independently or together for advanced functionality
Energy efficiency as standard
- Up to 98% efficiency with minimal energy loss during conversion
- Supports super high-efficiency permanent magnet motors
- Dynamic Volts/Hertz control for optimal efficiency under low load conditions
Energy savings
- Sleep, wake, and standby modes minimise energy loss
- Onboard power metering with cost per kWh tracking
Thermistor monitoring
- Temperature sensor input available for direct analogue input without a transducer
Extreme operating conditions
- Operates in temperatures from -20°C to 55°C* (40°C standard, higher with de-rating)
Extended connectivity
- Plug-in SI option modules for extended connectivity: BACnet IP, POWERLINK, EtherNet/IP, Modbus TCP/IP, PROFINET, PROFIBUS, DeviceNet, and CANopen
Quick commissioning
- Smartcard for simplified maintenance and commissioning without a PC
- SD card for parameter storage and data logging
Who Benefits from HVAC Drive H300?
Consultants and design engineersMeets all HVAC project specifications with a highly reliable product and support service – simply specify, install, and forget. |
|
ContractorsFast, secure installation and easy commissioning. |
|
Owners of commercial buildingsDelivers maximum occupant comfort, energy savings, and rapid ROI. |
IP65 Protection for Harsh Environments
The HVAC Drive H300 IP65 variant offers the same dedicated HVAC features as standard models, with full dust protection and resistance to low-pressure water jets. Ideal for outdoor and harsh environments, it reduces downtime and maintenance costs.
Standard & High IP Drives
- Hand-Off-Auto keypad with real-time clock remains available in sealed casing.
- Enables mix-and-match of standard and high IP drives in the same project for simplified qualification.
Save on installation
The High IP drive allows wall mounting close to the motor, reducing costs through:
- No cabinet required
- Shorter cable lengths
- Lower labor time and installation costs
High Power Solutions
From small HVAC systems to large refrigeration plants, Control Techniques drives can handle it all:
- Up to 500 kW in a single module
- Lightweight design – up to 60 kg lighter than competitors
- Compact footprint for easy integration
Pre-Engineered Motor Control Systems
Our DFS Series High Power Freestanding Drives come pre-assembled with all necessary components, saving engineering time. Flexible configurations include:
- Load switch, fuses, filters, and more
- Optional door-mounted HMI with real-time clock
Quick delivery via our online configurator – saving weeks compared to industry standards.
Software
 Connect - intuitive commissioning softwareConnect is our latest drive configuration tool for commissioning, optimizing and monitoring drive/system performance. Download |
|
 Energy savings estimationControl Techniques’ energy optimization software helps you analyse energy usage for flow applications and quantify the cost savings of using your Control Techniques drive. - Estimation of energy usage using Control Techniques variable frequency drives for HVAC applications - Identify the payback period through the energy savings from using a HVAC Drive H300 over conventional control methods Download |
This product has a 5-year warranty as standard
No registration. No extra cost. Just peace of mind from day one. Learn more.
Performance
- Normal Duty peak rating: 110 % (60 s)
- Maximum output frequency: 550 Hz
- Switching frequency range: 2, 3, 4, 6, 8, 12, 16 kHz (3 kHz default)
- Sensorless permanent magnet motor control
Onboard communications
- RS485 (BACnet, Metasys N2, Modus RTU)
Parameter backup
- Serial port cloning with complimentary Connect Software
- SD memory card (using SD-SMARTCARD-ADAPTOR)
- SMARTCARD reader support
- PC tools
Onboard I/O
- 2 x Analog inputs, 2 x Analog outputs
- 3 x Digital inputs, 3 x Bidirectional digital inputs or outputs
- 2 x Relay outputs (Form C)
Machine safety / VFD enable
- 1 x Safe Torque Off (STO) terminal
Power and motor control
- Stationary autotune for sensorless permanent magnet motors
- Wide operating Voltage range, capability to operate on a back-up DC supply
- 24 V control backup
Other
- Temperature controlled 10 speed fan operation with user adjustable speed limit
- User replaceable fan(s) for easy maintenance
- PCB conformal coating
- Sleep, Wake, and VFD Standby modes (energy saving)
|
VOLTAGE RATINGS |
|
|
100 V (100 V - 120 V ± 10%) |
|
|
200 V (200 V - 240 V ± 10%) |
✓ |
|
400 V (380 V - 480 V ± 10%) |
✓ |
|
575 V (500 V - 575 V ± 10%) |
✓ |
Approval & Listings
|
cUL |
USA and Canada (cUL Listed). UL File number: E171230 |
|
CE |
European Union (all applicable directives and regulations LVD, EMD, RoHS, REACH, Energy related products) |
|
UKCA |
United Kingdom (all applicable regulations) |
|
RCM |
Australia and New Zealand (Responsible Supplier Registration No. E6934) |
|
EAC |
Russian Customs Union. H300 models |
|
Functional Safety |
Safe Torque Off function. TÜV Rheinland Type Examination Certificates: 01/205/5270.02/17 (Unidrive-M and derivative products) 01/205/5409.02/21 (SI-Safety option module) 01/205/5720.00/19 (MiS210, MiS250 option modules) The safety function "Safe Torque Off" can be used in applications up to Cat 4. PL e according to EN ISO 13849-1, SIL 3 according to EN 61800-5-2/ EN 62061/ IEC 61508, and in lift applications according to EN 81-1 and EN81-2. |
| UL Functional Safety |
Unidrive-M all products |
|
ISO |
Quality system: ISO 9001 (Certificate Nos. FM 739405) |
|
China RoHS |
Chinese Order No. 32, 2016; Administrative Measures for the Restriction of Hazardous Substances in Electrical and Electronic Equipment (China RoHS 2), |
|
EPA TSCA regulations |
All Commander and Unidrive-M products |
|
IHM, Basel convention, |
MEPC 68/21 / Add.1, Annex 17, Resolution MEPC.269(68) 2015 Guidelines for the development of the inventory of hazardous materials. |
|
Responsible Minerals Initiative (RMI) |
CMRT compliance |
Weights & Dimensions
|
FRAME SIZE |
DIMENSIONS (H x W x D) |
WEIGHT |
||
|
|
mm |
in |
kg |
lb |
|
3 |
382 x 83 x 200 |
15.0 x 3.3 x 7.9 |
4.5 max |
9.9 max |
|
4 |
391 x 124 x 200 |
15.4 x 4.9 x 7.9 |
6.5 |
14.3 |
|
5 |
391 x 143 x 200 |
15.4 x 5.6 x 7.9 |
7.4 |
16.3 |
|
6 |
391 x 210 x 227 |
15.4 x 8.3 x 8.9 |
14 |
30.9 |
|
7 |
557 x 270 x 280 |
21.9 x 10.6 x 11.0 |
28 |
61.7 |
|
8 |
804 x 310 x 290 |
31.6 x 12.2 x 11.4 |
52 |
114.6 |
|
9E |
1069 x 310 x 290 |
42.1 x 12.2 x 11.4 |
46 |
101.4 |
|
10E |
1069 x 310 x 290 |
42.1 x 12.2 x 11.4 |
46 |
101.4 |
|
11E |
1242 x 310 x 312 |
55.5 x 12.2 x 12.3 |
63 |
138.9 |
Dimensions include mounting brackets
Keypads and Parameter Storage
 |
KI-Keypad Plus |
 |
Smartcard 8k memory device to backup and copy parameter sets and basic PLC programs. SMARTCARD-64 has 64k of memory. |
 |
Allows an SD card to be inserted into the Smartcard slot, for parameter backup cloning and application programs (SD card not included). |
 |
Plain text, multi-language LCD keypad for in depth parameter and data descriptions gives an enhanced user experience. Enables quick commissioning and provides four lines of real text in guiding the user through set-up, with Hand-Off-Auto control. A battery operated real-time clock allows accurate time stamping of diagnostics and aids quick fault resolution. |
 |
All the features of the HOA-KEYPAD-RTC, but remote mountable. This allows flexible mounting on the outside of a panel and meets IP54 (NEMA 12) |
System Integration Modules - Communications
 |
IP interface module |
 |
PROFINET interface module |
 |
PROFIBUS interface Module |
|
DeviceNet interface module |
|
CANopen interface module supporting various profiles, including several drive profiles |
|
Ethernet module that supports EtherNet/IP and Modbus TCP/IP |
System Integration Modules - Additional I/O
 |
Extended I/O interface module to increase the number of I/O points on a drive. Provides additional: 4 x Digital I/O, 3 x Analog inputs (default)/Digital inputs, 1 x Analog output (default)/Digital input, 2 x Relays. |
UL Type 1 Conduit Kit
|
FRAME SIZE |
ORDER CODE |
|
3&4 |
C-BOX-GF3-4 |
|
5 |
C-BOX-F5 |
|
6 |
C-BOX-F6 |
|
7 |
C-BOX-F7 |
|
8 |
C-BOX-F8 |
|
9E & 10E |
C-BOX-F9-F10 |
|
11E |
C-BOX-F11 |
Retrofit brackets
H300 drives can be fitted in existing Affinity drive surfacemount installations with retrofit brackets.
|
FRAME SIZE |
ORDER CODE |
|
4 |
3470-0062 |
|
5 |
3470-0066 |
|
6 |
3470-0074 |
|
7 |
3470-0078 |
|
8, 9E, 10E |
3470-0118 |
Optional external EMC filters
HVACR AC Drive H300 has a built in EMC filter that complies with EN 61800-3 (CategoryC3). An external EMC filter is required for compliance with EN61800-3 (Category C1/C2)
|
FRAME SIZE |
VOLTAGE |
ORDER CODE |
|
3 |
230 V – 3 phase 460 V – 3 phase |
4200-3230 4200-3480 |
|
4 |
230 V – 3 phase 460 V – 3 phase |
4200-0272 4200-0252 |
|
5 |
230 V – 3 phase 460 V – 3 phase 575 V – 3 phase |
4200-0312 4200-0402 4200-0122 |
|
6 |
230 V – 3 phase 460 V – 3 phase 575 V – 3 phase |
4200-2300 4200-4800 4200-3690 |
|
7 |
230 V & 460 V – 3 phase 575 V – 3 phase |
4200-1132 4200-0672 |
| 8 |
230 V & 460 V – 3 phase 575 V – 3 phase |
4200-1972 4200-1662 |
| 9E & 10E |
230 V & 460 V – 3 phase 575 V – 3 phase |
4200-4460 4200-2210 |
| 11E |
230 V & 460 V – 3 phase 575 V – 3 phase |
4200-0400 4200-0690 |