16 | Unit installation
Installer and user reference guide
57
RXYTQ
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
16 Unit installation
In this chapter
16.1 Opening the unit..................................................................................................................................................................... 57
16.1.1 About opening the units ........................................................................................................................................ 57
16.1.2 To open the outdoor unit ...................................................................................................................................... 57
16.1.3 To open the electrical component box of the outdoor unit ................................................................................. 58
16.2 Mounting the outdoor unit .................................................................................................................................................... 58
16.2.1 To provide the installation structure ..................................................................................................................... 58
16.1 Opening the unit
16.1.1 About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover is removed.
16.1.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
Once the front plates open, the electrical component box can be accessed. See
"16.1.3To open the electrical component box of the outdoor unit"[458].
For service purposes, the pushbuttons on the main PCB need to be accessed. To
access these pushbuttons, the electrical component box cover does not need to be
opened. See "19.2.3To access the field setting components"[4101].
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