Features; Introduction - Daikin VRV II-Q RQYQ8-48PY1B Service Manual

SiBE341027

5. Features

5.1

Introduction

Before replacement
After replacement
* It is possible to keep R-22 indoor units from K-series and later version It is not possible to combine old R-22 and new R-410A indoor units in one
system due to incompatibility of communication.
Enables smooth replacement of air conditioning with less effect on operations and users in the building.
Installation process
for replacement with
Refrigerant recovery and units removal
Reuse of existing refrigerant piping
Carry-in and installation of units
Automatic test operation
Automatic refrigerant pipe cleaning
Automatic refrigerant charge
Quicker and higher quality
installation
* For reuse of existing refrigerant piping ,it is possible to use piping or branched piping capable of handing 3.3 Pa or more .Heat insulation is
necessary for liquid piping and gas piping.
General Information
Replace
Airtightness test
Vacuum drying
Reuse of existing piping
Replace Replace
Conventional installation process
for replacement of air conditioning
Refrigerant recovery and units removal
Removal of existing piping
Quicker
installation
Installation of new piping and writing
Carry-in and installation of units
Airtightness test
Vacuum drying
Quicker
installation
Refrigerant charging and volume measurement
Test operation

Features

Replace
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