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  1. Hitachi
  2. Ranges
  3. VRF
  4. FSXNP/FSXNS Set Free Σ Heat Recovery VRF

– FSXNP/FSXNS Set Free Σ Heat Recovery VRF

Heat Recovery VRF for large-scale projects FSXNS - Space saving FSXNP - High efficiency
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_header
When the air around you is in balance, you can enjoy life indoors that much more.

– Living Harmony

FSXNP/FSXNS Set Free Σ Heat Recovery VRF_0
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_1

– Range of Modules

There is a wide range of module combinations. There are two ranges:
High efficiency model: FSNP series
Space saving model: FSNS series

Hitachi also offers one of the largest single modules at 67kW (24HP)
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_2

– Easy Access

Smaller units can be transported in an elevator FSNS: 18HP class(50.0kW).
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_3

– 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
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_4

– Versatile

Designed to be located internally and can operate under 4 ESP settings, up to 80Pa, with multiple options for improved energy savings. Shorter required piping lengths provide greater design flexibility and may also reduce installation costs
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_5

– 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
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_6

– 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
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_7

– 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.
FSXNP/FSXNS Set Free Σ Heat Recovery VRF_8

– Module Rotation

Rotational operation occurs to improve unit endurance, standardised running time evenly distributes the load by rotating the order of compressor operation.

– Heat Recovery - Space Saving Series

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
Open table
Download PDF
Download PDF

– Documentation

Manuals, brochures and other product literature. If you need any more information, please get in touch.
VRF Set Free Sigma - Heat Recovery
All downloads
– Contact a Dealer
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– How can we help you?
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– Heat Recovery - Space Saving Series

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
Open table
Download PDF
Download PDF
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