Daikin VRV 5 RXYA8A7Y1B, Installer And User Manual

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7 | Operation
Installer and user reference guide
30
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12
7 Operation
In this chapter
7.1 Before operation .................................................................................................................................................................... 30
7.2 Operation range...................................................................................................................................................................... 30
7.3 Operating the system ............................................................................................................................................................. 31
7.3.1 About operating the system .................................................................................................................................. 31
7.3.2 About cooling, heating, fan only, and automatic operation ................................................................................. 31
7.3.3 About the heating operation ................................................................................................................................. 31
7.3.4 To operate the system (WITHOUT cool/heat changeover remote control switch) ............................................. 32
7.3.5 To operate the system (WITH cool/heat changeover remote control switch)..................................................... 33
7.4 Using the dry program............................................................................................................................................................ 33
7.4.1 About the dry program .......................................................................................................................................... 33
7.4.2 To use the dry program (WITHOUT cool/heat changeover remote control switch)............................................ 34
7.4.3 To use the dry program (WITH cool/heat changeover remote control switch) ................................................... 34
7.5 Adjusting the air flow direction.............................................................................................................................................. 35
7.5.1 About the air flow flap ........................................................................................................................................... 35
7.6 Setting the master user interface .......................................................................................................................................... 36
7.6.1 About setting the master user interface ............................................................................................................... 36
7.6.2 To designate the master user interface................................................................................................................. 36
7.7 About control systems............................................................................................................................................................ 36
7.1 Before operation
CAUTION
See "4 User safety instructions" [
4
21] to acknowledge all related safety instructions.
NOTICE
NEVER inspect or service the unit by yourself. Ask a qualified service person to
perform this work.
NOTICE
Turn ON the power 6 hours before operation in order to have power running to the
crankcase heater and to protect the compressor.
This operation manual is for the following systems with standard control. Before
initiating operation, contact your dealer for the operation that corresponds to your
system type and mark. If your installation has a customised control system, ask
your dealer for the operation that corresponds to your system.
Operation modes (depending on indoor unit type):
▪ Heating and cooling (air to air).
▪ Fan only operation (air to air).
Dedicated functions exist depending on the type of indoor unit, refer to dedicated
installation/operation manual for more information.
7.2 Operation range
Use the system in the following temperature and humidity ranges for safe and
effective operation.