Daikin VRV IV Series - Operation; Before operation

7 | Operation
Installer and user reference guide
25
RKXYQ5T8+8T7Y1B + RDXYQ5T8+8T7V1B
VRV IV heat pump for indoor installation
4P499898-1B – 2021.12
7 Operation
In this chapter
7.1 Before operation .................................................................................................................................................................... 25
7.2 Operation range...................................................................................................................................................................... 26
7.3 Operating the system ............................................................................................................................................................. 26
7.3.1 About operating the system .................................................................................................................................. 26
7.3.2 About cooling, heating, fan only, and automatic operation ................................................................................. 27
7.3.3 About the heating operation ................................................................................................................................. 27
7.3.4 To operate the system (WITHOUT cool/heat changeover remote control switch) ............................................. 28
7.3.5 To operate the system (WITH cool/heat changeover remote control switch)..................................................... 28
7.4 Using the dry program............................................................................................................................................................ 29
7.4.1 About the dry program .......................................................................................................................................... 29
7.4.2 To use the dry program (WITHOUT cool/heat changeover remote control switch)............................................ 29
7.4.3 To use the dry program (WITH cool/heat changeover remote control switch) ................................................... 29
7.5 Adjusting the air flow direction.............................................................................................................................................. 30
7.5.1 About the air flow flap ........................................................................................................................................... 30
7.6 Setting the master user interface .......................................................................................................................................... 31
7.6.1 About setting the master user interface ............................................................................................................... 31
7.6.2 To designate the master user interface (VRV DX) ................................................................................................. 31
7.1 Before operation
WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been carried out correctly by
an installer.
CAUTION
▪ NEVER touch the internal parts of the controller.
▪ Do NOT remove the front panel. Some parts inside are dangerous to touch and
appliance problems may happen. For checking and adjusting the internal parts,
contact your dealer.
CAUTION
It is unhealthy to expose your body to the air flow for a long time.
CAUTION
To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner
is used together with the system.
CAUTION
Do NOT operate the system when using a room fumigation-type insecticide.
Chemicals could collect in the unit, and endanger the health of people who are
hypersensitive to chemicals.
NOTICE
NEVER inspect or service the unit by yourself. Ask a qualified service person to
perform this work.