Operation; Operation Range; Operating The System; About Operating The System - Daikin RXYSA4A7V1B Installer And User Manual

8 Operation

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

RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1A – 2020.07
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.
▪ 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.
▪ If the main power supply is turned off during operation, operation will restart
automatically after the power turns back on again.
▪ Changeover cannot be made with a user interface whose display shows
"change-over under centralised control" (refer to installation and operation
manual of the user interface).
▪ When the display
"8.5.1 About setting the master user
▪ The fan may keep on running for about 1 minute after the heating operation
stops.
▪ The air flow rate may adjust itself depending on the room temperature or the fan
may stop immediately. This is not a malfunction.
It may take longer to reach the set temperature for general heating operation than
for cooling operation.
The following operation is performed in order to prevent the heating capacity from
dropping or cold air from blowing.
Cooling
–5~46°C DB
21~32°C DB
14~25°C WB
"change-over under centralised control" flashes, refer to
interface" [
8 Operation
|
Heating
–20~21°C DB
–20~15.5°C WB
15~27°C DB
(a)
≤80%
4
41].
Installer and user reference guide
35