7 | Installation
Installer reference guide
66
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA/DJ3V+6V+9W7
Daikin Altherma 3 R F
4P618947-1 – 2020.03
7 Installation
7.1 Overview: Installation
This chapter describes what you have to do and know on-site to install the system.
Typical workflow
Installation typically consists of the following stages:
1 Mounting the outdoor unit.
2 Mounting the indoor unit.
3 Connecting the refrigerant piping.
4 Checking the refrigerant piping.
5 Charging refrigerant.
6 Connecting the water piping.
7 Connecting the electrical wiring.
8 Finishing the outdoor installation.
9 Finishing the indoor installation.
INFORMATION
If you have limited installation space, do the following before installing the unit in its
final position: "7.4.4 To connect the drain hose to the drain" [4 77]. It requires to
remove one or both side panels.
INFORMATION
Depending on the units and/or the installation conditions, it might be necessary to
connect electrical wiring before you can charge refrigerant.
7.2 Opening the units
7.2.1 About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the refrigerant piping
▪ 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.
7.2.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
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