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Compact side-flow VRF heat pump

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Hitachi Compact side-flow VRF heat pump SET FREE mini HNSKQ / HNRQ series

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Hitachi Mini VRF Compact side-flow VRF heat pump Repair, maintenance, and replacement planning
Hitachi SET FREE mini HNSKQ / HNRQ series product image

Technical Specifications

Product Specs

  • Brand: Hitachi
  • Representative series: SET FREE mini HNSKQ / HNRQ
  • Equipment type: mini VRF outdoor unit
  • System format: compact side-flow outdoor unit with multiple indoor units
  • Application: residential and commercial buildings with limited outdoor space
  • Function: reversible cooling and heating
  • Design note: compact outdoor footprint for balcony and tight-site installations
  • Outdoor static pressure: up to 30 Pa external static pressure listed for ventilation conditions
  • Installation flexibility: increased freedom compared with larger top-blowing VRF units
  • Indoor support: designed to run multiple indoor AC units from one VRF outdoor unit
  • Model or series: SET FREE mini HNSKQ / HNRQ series
  • Product group: Mini VRF
  • System role: Variable refrigerant flow system equipment
  • Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
  • Verified source: archiexpo.com

Useful troubleshooting details

  • Confirm the packaged unit model, serial number, tonnage, voltage, refrigerant or fuel type, control setup, access location, and service history.
  • Share no-heat, no-cooling, weak airflow, alarms, control issues, tenant comfort complaints, condensate, or unusual noise.
  • For planning, include business hours, rooftop or mechanical access notes, tenant impact, replacement timing, and maintenance history.

Service planning

How GreenFlow handles SET FREE mini HNSKQ / HNRQ series requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Randy J.

Thanks to Andrey for an amazingly quick response to my request for a service call. He diagnosed and fixed my issue within 24 hours of my asking for help. Excellent service. Thanks.

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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