Fujitsu AOY90 User Manual

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Multi Air Conditioning System

for Buildings

VRF (FREELY SELECTABLE MULTI TYPE SYSTEM)

SERVICE MANUAL

CONFIDENTIAL

Table of Contents

Questions and Answers:

M
Michael DickersonAug 9, 2025
Why is composition control necessary for charging refrigerant R407C in a Fujitsu AOY90 Air Conditioner?
- S
  Sergio PowersAug 9, 2025
  Composition control must be maintained for charging refrigerant because R407C is a zeotropic refrigerant.
J
Jon LewisAug 18, 2025
Why is review of control system required with R407C in Fujitsu AOY90?
- A
  allisonparrishAug 18, 2025
  A review of the control system is required because there is temperature glide with R407C.

Fujitsu AOY90 Specifications

General

Brand	Fujitsu
Model	AOY90
Category	Air Conditioner
Language	English

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