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Multi-zone ductless system

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Daikin Multi-zone ductless system 4MXM_AVJU9 MXM Series Multi-Zone (2,3 or 4 zones)

Daikin Ductless HVAC Multi-zone ductless system Repair, maintenance, and replacement planning
Daikin 4MXM_AVJU9 MXM Series Multi-Zone (2,3 or 4 zones) product image

Technical Specifications

Product Specs

  • Model or series: 4MXM_AVJU9 MXM Series Multi-Zone (2,3 or 4 zones)
  • Equipment type: Multi-zone ductless system
  • Product group: Ductless HVAC
  • SEER2 Level: Up to 21 4MXM_AVJU9 MXM Series Multi-Zone (2
  • SEER2 Level: Up to 21
  • Refrigerant family: R-32 where listed by Daikin
  • System role: ductless, mini-split, multi-zone, or VRV comfort equipment
  • Configuration notes: multi-zone family where listed
  • Brand: Daikin
  • Application: Residential, light-commercial, or zone-control comfort applications
  • Compatibility check: Match with compatible indoor unit, coil or air handler, controls, refrigerant, voltage, and capacity.
  • Verified source: daikincomfort.com

Useful troubleshooting details

  • Confirm indoor and outdoor model numbers, serial numbers, controller type, zone count, line-set layout, condensate path, voltage, and refrigerant.
  • Share no-heat, no-cooling, weak airflow, water leak, remote/controller, communication, filter, coil icing, defrost, or outdoor-unit noise symptoms.
  • For planning, note room locations, access constraints, tenant/business hours, and whether the request is repair, maintenance, added zone, or replacement.

Service planning

How GreenFlow handles 4MXM_AVJU9 MXM Series Multi-Zone (2,3 or 4 zones) 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

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Jenny W.

Great service! On time, knowledgeable & professional

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

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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