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VRF · SET FREE Σ — JNBBQ series
VRF Systems
Hitachi’s 8th generation commercial VRF, 8 to 72 HP, for high ambient regions.
SET FREE Σ is built around the Σ-shaped heat exchanger, and it is the only Japanese technology on the market that allows four outdoor modules in one combination — 72 HP on a single system where competitors stop at three modules and 54 HP.
At a glance
Series
JNBBQ
Single module
8 to 18 HP
Multiple module combinations
20 to 72 HP
Maximum modules per system
4 outdoor units
Type
Variable refrigerant flow, air source heat pump
Designed for
High ambient regions
Specification
Modules per system
Figures as published by Hitachi. Send us the room and we will confirm the model against the actual load.
Manufacturer
Max modules
Max HP per system
Hitachi SET FREE Σ
4
72 HP
Competitor A
3
48 HP
Competitor B
3
54 HP
Competitor C
3
54 HP
Comparison as published in the SET FREE Σ JNBBQ general catalogue.
Features
What the unit actually does.
- Σ-shaped heat exchanger, a key technology of Hitachi’s 8th generation commercial VRF
- SmoothDrive compressor control — an energy efficiency award winner in Japan
- Gentle Cool temperature control for occupant comfort
- 4-way cassettes with individual louvre control
- airCloud Pro: monitor and manage systems from a phone or browser
- airCloud Select: project-specific system selection for design engineers
- Central Station EX: tenant-level electricity apportioning and invoicing
- Demand-response energy management — peak-load cut, capacity moderation and scheduling
- Wide choice of outdoor and indoor unit types, piping distances and controllers
Applications
Where this one fits.
Offices and mixed-use towers
Hotels and serviced apartments
Shopping centres and retail
Hospitals and education
Related products
Other Hitachi systems.
Hi-Wall Split
Wall mounted splits from 18,000 to 32,000 Btu/h, built to keep cooling at Gulf ambients.
Ducted Split
Concealed inverter ducted splits, 18K to 60K, with a wide external static pressure range.
Cassette Split
Four-way ceiling cassettes, 2.0 to 7.0 HP, with individually adjustable louvres.
Interested in the VRF Systems?
Tell us the space and the load. We will size it, quote it, install it and service it.