Daikin EKHWSU180D3V3 [8/24] Opening the units
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Daikin EKHWSU180D3V3 [8/24] Opening the units

Daikin EKHWSU180D3V3 [8/24] Opening the units
6 Installation
Installation manual
8
EKHWSU150~300D3V3 + EKEXPVES
Domestic hot water tank with option kit for air to water heat pump
system
4P510673-1B – 2018.01
5.4 Preparing electrical wiring
5.4.1 About preparing electrical wiring
WARNING
▪ All wiring MUST be performed by an authorised
electrician and MUST comply with the applicable
legislation.
▪ Make electrical connections to the fixed wiring.
▪ All components procured on-site and all electrical
construction MUST comply with the applicable
legislation.
WARNING
ALWAYS use multicore cable for power supply cables.
5.4.2 Safety device requirements
The booster heater in the domestic hot water tank is equipped with a
thermal protector (setting 85°C).
WARNING
The switch box lid must only be opened by a licensed
electrician. Switch off the power supply before opening the
switch box lid.
NOTICE
Do NOT install heaters without thermal cut-out.
To reset the thermal protector: first check possible reasons for the
thermal cut-out button being released and when solved press the
reset button located on the thermal protector.
The power supply must be protected with the required safety
devices, i.e. a main switch, a slow blow fuse on each phase and an
earth leakage protector in accordance with the applicable legislation.
Selection and sizing of the wiring should be done in accordance with
the applicable legislation based on the information mentioned in the
table below.
Make sure that a separate power supply circuit is provided for this
unit and that all electrical work is carried out by qualified personnel
according to local laws and regulations and this manual. An
insufficient power supply capacity or improper electrical construction
may lead to electric shocks or fire.
Fuse Minimum circuit
ampacity
Recommended
fuses
Power supply
F2B (field
supply)
13A 20A 1~ 50Hz
220-240V
6 Installation
6.1 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 domestic hot water tank.
2 Connecting the water piping.
3 Connecting the electrical wiring.
4 Finishing the domestic hot water tank installation.
6.2 Opening the units
6.2.1 To open the switch box cover of the
domestic hot water tank
6.3 Mounting the domestic hot water
tank
6.3.1 Precautions when mounting the indoor
unit
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
6.3.2 To install the domestic hot water tank
1 Check if all domestic hot water tank accessories are enclosed.
2 Place the domestic hot water tank on a level surface. Make
sure the tank is mounted level.
6.4 Connecting the water piping
6.4.1 About connecting the water piping
Typical workflow
Connecting the water piping typically consists of the following
stages:
1 Connecting the water piping.
2 Filling the domestic hot water tank.
3 Insulating the water piping.
4 Connecting the 3-way valve.

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