VRF Systems

FSXNP/FSXNS Set Free Σ Heat Recovery VRF

Heat Recovery VRF for large-scale projects

FSXNS - Space saving
FSXNP - High efficiency

Heat Recovery VRF for large-scale projects

FSXNS - Space saving
FSXNP - High efficiency

Energy Efficient Comfort

These energy efficient units have excellent environmental credentials, with energy efficiency ratios (EER) of up to 5.10 and COP's of up to 6.07, for the highest performing models.

Site-Wide Climate Control

Supports up to 64 indoor units, each working independently in its own area. The modular system is ideal for big buildings and large spaces.

Flexible, Bespoke Installation

Flexible enough to meet any design brief. The system consists of a very large range with smaller footprints, supports long pipe runs, and the lightweight, compact units can be installed without a crane.

Wide Range of Indoor Units

Sigma VRF has a wide range and capacity of indoor units

- 4-way cassettes
- Low profile ducted
- Mid ESP ducted
- High ESP ducted
- Wall mounted
- Under ceiling
- Full fresh air
- O/A heat exchangers

Multi Branch Boxes - Heat Recovery

Allowing the freedom to design layouts as desired

- Multi-Port CH-Box (up to 16 ports)
- Liquid-piping built-in design
- No drain-piping needed
- Top-in-class compact body
- Top-in-class lightweight unit
- Height difference between
CH-Box to IDU extended up to 40m

Local Control

Advanced local control capabilities

- Half degree temperature setting
- Fan speed control
- Louvre control
- Mode control
- 24/7 time clock
- Room temperature display
- Power visualisation

Mini - For Small Scale Buildings

5.0-inch wide colour LCD (full dot) touch panel

- Group 32
- Block 4 patterns (2/4/8/16)
- Indoor Unit 160
- Outdoor Unit 64

EZ - For Medium Scale Buildings

8.5-inch wide colour LCD (full dot) touch panel display controls

- Groups 64
- Indoor Unit 160
- Outdoor Unit 64

Central Controller EX

Features a highly intuitive and functional 12.1-inch wide color LCD screen giving control and energy management of up to 2,560 indoor units.

Acquire data using SD memory and USB flash devices - upload your own floor layout images. Easily arrange indoor units by dragging them on the touch panel - web browser interface. Three long-term category settings: annual, summer & winter.

technical data

technical data

Heat Recovery - Space Saving Series

Single Module 8 ~ 24 Two Modules 26 ~ 48 Three Modules 50 ~ 54
Nominal Capacity Cooling kW
Nominal Capacity Heating kW
Maximum Connectable indoor Unit Quantity
Capacity Connection Ratio Between Indoor and Outdoor Units %
Maximum Total Piping Length m
Maximum Piping Length Between Indoor and Outdoor Units m
Maximum Piping Length from first branch to furtherest indoor unit m
Maximum Height Difference Between Indoor and Outdoor Units Outdoor above m
Outdoor below m
Maximum Level Difference between Indoor Units m
Outdoor temperature Operating Range - Cooling
Outdoor temperature Operating Range - Simultaneous Operation
Outdoor temperature Operating Range - Heating CWB
22.4 ~ 67.0
25.0 ~ 77.5
8 ~ 40
50 ~ 130%
1000
165
90
110
40
15
[-10] ~ 48
[-10] ~ 24
[-20] ~ 15
73.0 ~ 136.0
82.5 ~ 150.0
43 ~ 64
50 ~ 130%
1000
165
90
110
40
15
[-10] ~ 48
[-10] ~ 24
[-20] ~ 15
140.0 ~ 150.0
155.0 ~ 165.0
64
50 ~ 130%
1000
165
90
110
40
15
[-10] ~ 48
[-10] ~ 24
[-20] ~ 15

Heat Recovery - High efficiency series

Single Module 5 ~ 18 Two Modules 20 ~ 36 Three Modules 38 ~ 54
Nominal Capacity Cooling kW
Nominal Capacity Heating kW
Maximum Connectable indoor Unit Quantity
Capacity Connection Ratio Between Indoor and Outdoor Units %
Maximum Total Piping Length m
Maximum Piping Length Between Indoor and Outdoor Units m
Maximum Piping Length from first branch to furtherest indoor unit m
Maximum Height Difference Between Indoor and Outdoor Units Outdoor above m
Outdoor below m
Maximum Level Difference between Indoor Units m
Outdoor temperature Operating Range - Cooling
Outdoor temperature Operating Range - Simultaneous Operation
Outdoor temperature Operating Range - Heating CWB
14.0 ~ 50.0
16.0 ~ 56.0
8 ~ 26
50 ~ 150%
1000
165
90
110
40
15
[-10] ~ 52
[-10] ~ 24
[-20] ~ 15
56.0 ~ 100.0
63.0 ~ 112.0
33 ~ 59
50 ~ 150%
1000
165
90
110
40
15
[-10] ~ 52
[-10] ~ 24
[-20] ~ 15
106.0 ~ 150.0
118.0 ~ 165.0
64
50 ~ 150%
1000
165
90
110
40
15
[-10] ~ 52
[-10] ~ 24
[-20] ~ 15
Heat Recovery - Space Saving Series

documentation

downloads

Manuals, brochures and other product literature. If you need any more information, please get in touch.

where to buy

Search our network of authorised Hitachi installers and retailers

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