Temperzone Product Overview
1 July 2025
Product Categories
- Air Conditioning
- Water Conditioning
- Air Distribution
- Ventilation & Heating
Air Conditioning
Split Systems - Ducted Reverse Cycle
These new systems are MEPS compliant, meeting Minimum Energy Performance Standards (AS/NZS 3823.2:2013) and utilize R32 refrigerant for a low Global Warming Potential (GWP). Each system features a variable capacity inverter compressor for precise temperature control and improved economy at part load. A wide range of unit sizes are available for various applications including homes, apartments, offices, shops, restaurants, public areas, hotels, and workspaces.
Nomenclature Suffixes:
- R - Reverse cycle system
- L - Refrigerant R32
- S - Single phase power supply
- T - Three phase power supply
- H - Horizontal discharge fans
- V - Vertical discharge fans
- Y - EC motor fan
- F - Inverter compressor system
- X - Includes IUC.
Key Features:
- Separable ISD models (up to 251) for easier installation.
- High efficiency EC motors with optional 0-10V speed control.
- Higher static performance.
- BMS/modbus compatibility is standard.
- Optional accessories include Room Temperature Controllers, Zone Control Kits, Filter Boxes, Plenums, and Mounting Kits.
Example Models:
| Item No. | Description | Unit | Nominal Cooling (kW) | Nominal Heating (kW) |
|---|---|---|---|---|
| 845-171-001 | ISD 171LYX | Indoor | 14.8 | 14.9 |
| 846-171-001 | OSA 171RLSFH | Outdoor | (8.6~18.5) | (7.0~18.3) |
| 845-211-001 | ISD 211LYX | Indoor | 19.5 | 20.85 |
| 846-211-003 | OSA 211RLTFH | Outdoor | (9.4~25.3) | (8.4~25.6) |
Split Systems - Accessories
A range of accessories are available for split systems, including:
- Supply and Return Air Plenums
- Fresh Air Inlet Spigots
- Spigot Plate Adaptors
- Filter Boxes with various filter types
- Spring Mounting Kits
- Anti-Vibration Mounts
- Wall Mounting Kits
- Fault Indicators
- Drain Connection Adaptors
- Replacement Filters
Packaged Units - Ducted Reverse Cycle
These are single-piece, air-cooled, roof-top units providing a three-phase, ducted, reverse cycle package. The OPA range is designed for light commercial and retail premises such as offices, motels, and restaurants. These systems are MEPS compliant and use R410A refrigerant.
Econex Models: Feature inverter compressors, R32 refrigerant, and high static EC plug fans. Available with or without economisers.
Econex Pro Models: Include sophisticated Carel c.pCO controllers and four inverters, suitable for supermarkets and process applications requiring humidity control.
Vertical Packaged Units - Ducted Reverse Cycle (VPA): Designed for cold climates (down to -15°C) with digital compressors, EC plug fans, and 0-10V control.
Packaged Units - Ducted Water Cooled (HWP Series): Low-profile units ideal for multi-unit installations in high-rise buildings, hotels, and multi-tenancies. Compact and reliable, they save floor space. Features include high efficiency Thermoshell® technology and compatibility with SAT-3 or TZT-100 Room Thermostats.
Packaged Units - Ducted Water Cooled (CWP Econex): A compact version of the HWP with variable capacity inverter compressor and built-in water pump. Features high efficiency EC motors and 0-10V signal control.
Chilled Water Fan Coil Units (IMDL Series)
Integral to air conditioning systems, these units circulate chilled or hot water. Temperzone offers a variety of options and accessories for most air conditioning requirements. Features energy-efficient fan motors, easy installation, and maintenance.
IMDL 'Y' versions include high efficiency EC motors with optional 0-10V speed control.
Chilled Water Fan Coil Units (IMD Series)
Similar to the IMDL series, these units circulate chilled or hot water. Available with various coil configurations and accessories.
Chilled Water Fan Coil Units (GMW Series)
Underceiling models ideal for fixed ceiling installations. They do not take up wall space and are easy to relocate. Suitable for department stores, offices, and classrooms.
Chilled Water Air Handling Units (IJD Series)
Belt-driven ducted air handling units with various options and accessories. Available in horizontal or vertical supply air versions. Features include disposable EU4 rated filters.
Chilled Water Air Handling Units (MT Series)
Feature EC Plug fans, lightweight aluminium frames, thermal break panels, and separable fan coil/plenum sections. Energy-efficient fan motors are used in all units.
Water Conditioning
Heat Pump Water Heaters
Temperzone offers a range of application-optimised heat pumps designed for reliability and durability. Features include high efficiency, cost-effectiveness, inverter systems, and compact designs. Available in Potable, Space Heating, Underfloor, and Pool models.
Key Features:
- Highly efficient, cost-effective integrated water heating systems.
- ThermoShell® heat-exchanger.
- In-line inverter systems for space heating and cooling.
- Elimination of intermediate buffer tanks.
- Powerful, quiet, compact design.
- Integrated 'turnkey' controls.
- Integrated BLDC (variable speed) pump on some models.
- Local support and commissioning.
- BMS / Modbus connectivity.
Example Models:
| Item No. | Description | Nominal Heating (kW) | Capacity Range (kW) |
|---|---|---|---|
| 503-025-005 | MWS 250LT | 20.0 | - |
| 503-050-005 | MWS 500LTM | 40.0 | - |
| 503-090-501 | MWH 900LTM-PC | 77.5 | 22.3~91.9 |
| 503-090-505 | MWH 900LTM-PCV | 89.3 | 21~105 |
Air Distribution
Radial Swirl Diffusers
SMARTEMP® Range (Fixed Helical) diffusers are available in various sizes and configurations, including square and round models with different collar sizes and side entry plenums.
RPD - Round Plastic Ceiling Diffusers
Available in 150, 200, and 250 dia. sizes.
Grilles
EGC-5 and EGC-5/HF grilles are available in various sizes and colours (White). HF models include a hinged frame and filter.
Adaptors for Grilles
A range of adaptors are available to connect grilles to ductwork of different sizes.
Flexiduct
Available in nude and insulated versions, with various diameters and lengths. Tested to AS 4254 and complies with NZ Building Code.
Duct Tape
Available in plastic and silver polypropylene.
Duct Joiners
Galvanised steel construction, available in various sizes.
Air Regulating Damper (TRD Series)
Opposed blade rotation dampers available in various widths and heights. Options include electric actuators and polyester powder coat finish.
Ventilation
In-Line Centrifugal Fans
AXC Series fans are available in various diameters with different RPMs. Accessories include duct clamps, adaptors, and electronic controllers.
Other Products
Circulating Water Pumps
Wilo pumps are available for HVAC applications, including hot-water heating, air-conditioning, and industrial circulation systems. Models include ZRS, Stratos PICO-Z, Varios PICO, Yonos MAXO, Yonos MAXO-Z, and TOP-Z series. Unions and accessories are also available.
Pre-Insulated Pipe
FLEXALEN® pre-insulated pipes are designed for thermal energy distribution, domestic hot and cold water piping, and geothermal applications. They are flexible, easy to install, and offer increased reliability due to their homogeneous welding. Available in single and twin configurations with various end caps and electro-fusion joiner parts.
Radiators (Econorad®)
High performance custom-made radiators with low water resistance for quick and uniform heat up. Output ranges from 150W to 10,850W. Thermostatic Radiator Valves by Heimeier® are also available.
Boilers by De Dietrich® & Gassero®
Available in Gas Condensing and electric models, floor standing and wall hung types. Suitable for natural gas, oil, or electric fuel sources.
Air Conditioning Units (Split Systems)
Hitachi offers an extensive range of residential and commercial split system air conditioners, including wall mounts, floor mounts, ducted, cassettes, underceiling, multi-zone, and VRF systems. A separate product catalogue is available on request.
Contact Information
For detailed contact information for various branches and departments, please refer to the directory provided in the document.
