Operation; Operation Range; Operating The System; About Operating The System - Daikin RXYSQ4T8VB Series Installer And User Reference Manual

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Operation

8 Operation
In this chapter

8.1 Operation range

8.2 Operating the system

8.2.1 About operating the system

Installer and user reference guide
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8.1 Operation range......................................................................................................................................................................
8.2 Operating the system .............................................................................................................................................................
8.2.1 About operating the system ..................................................................................................................................
8.2.2 About cooling, heating, fan only, and automatic operation .................................................................................
8.2.3 About the heating operation .................................................................................................................................
8.2.4 To operate the system (WITHOUT cool/heat changeover remote control switch) .............................................
8.2.5 To operate the system (WITH cool/heat changeover remote control switch).....................................................
8.3 Using the dry program............................................................................................................................................................
8.3.1 About the dry program ..........................................................................................................................................
8.3.2 To use the dry program (WITHOUT cool/heat changeover remote control switch)............................................
8.3.3 To use the dry program (WITH cool/heat changeover remote control switch) ...................................................
8.4 Adjusting the air flow direction..............................................................................................................................................
8.4.1 About the air flow flap ...........................................................................................................................................
8.5 Setting the master user interface ..........................................................................................................................................
8.5.1 About setting the master user interface ...............................................................................................................
8.5.2 To designate the master user interface.................................................................................................................
Use the system in the following temperature and humidity ranges for safe and
effective operation.
Outdoor temperature
Indoor temperature
Indoor humidity
(a)
To avoid condensation and water dripping out of the unit. If the temperature or the
humidity is beyond these conditions, safety devices may be put in action and the air
conditioner may not operate.
Above operation range is only valid in case direct expansion indoor units are
connected to the VRV system.
Special operation ranges are valid in case of using AHU. They can be found in the
installation/operation manual of the dedicated unit. Latest information can be
found in the technical engineering data.
▪ Operation procedure varies according to the combination of outdoor unit and
user interface.
▪ To protect the unit, turn on the main power switch 6 hours before operation.
Cooling
–5~46°C DB
21~32°C DB
14~25°C WB
(a)
≤80%
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Heating
–20~21°C DB
–20~15.5°C WB
15~27°C DB
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10