Overview: Installation; Opening The Units; About Opening The Units; To Open The Outdoor Unit - Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual

7 Installation
NOTICE
More technical specifications of the different connections
are indicated on the inside of the indoor unit.
Backup heater Power supply
type
*6W 1× 230 V
3× 230 V
3× 400 V
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 (including the installation of the
domestic hot water tank kit).
7 Connecting the electrical wiring.
8 Finishing the outdoor installation.
9 Finishing the indoor installation.
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
DANGER: RISK OF BURNING
Installer reference guide
30
Required number of
conductors
2+GND + 2 bridges
3+GND + 1 bridge
4+GND
2
2
7.2.3

To open the indoor unit

1 Loosen and remove the screws at the bottom of the unit.
2 Push on the button at the bottom of the front plate.
WARNING: Sharp edges
Take the front plate on the upper part instead of the lower
part. Watch your fingers, there are sharp edges on the
lower part of the front plate.
3 Slide the front panel of the unit downwards and remove it.
CAUTION
The front panel is heavy. Be careful NOT to jam your
fingers when opening or closing the unit.
4 Loosen and remove the 4 screws that fix the top panel.
5 Remove the top panel from the unit.
4
4×
5
2
ERLQ004~008CA + EHVH04+08SU18+26CB6W
1×
1
2
2×
1
Daikin Altherma – Low temperature split
4P449978-1B – 2018.07