3 About the system
Operation manual
4
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680075-1B – 2022.02
▪ Do NOT use cleaning materials or
means to accelerate the defrosting
process other than those
recommended by the manufacturer.
▪ Be aware that the refrigerant inside
the system is odourless.
WARNING
▪ The refrigerant inside the unit is
mildly flammable, but normally does
NOT leak. If the refrigerant leaks in
the room and comes in contact with
fire from a burner, a heater, or a
cooker, this may result in fire, or the
formation of a harmful gas.
▪ Turn OFF any combustible heating
devices, ventilate the room, and
contact the dealer where you
purchased the unit.
▪ Do NOT use the unit until a service
person confirms that the part from
which the refrigerant leaked has been
repaired.
3 About the system
Depending on the system layout, the system can:
▪ Produce domestic hot water
3.1 Components in a typical system
layout
C Technical room. Example: Garage.
a Outdoor unit heatpump
c Domestic hot water (DHW) tank
d User interface of the indoor unit
4 Quick guide
4.1 User permission level
The amount of information you can read and edit in the menu
structure depends on your user permission level:
▪ User: Standard mode
▪ Advanced user: You can read and edit more information
To change the user permission level
1 Go to [B]: User profile.
2 Enter the applicable pin code for the user permission
level.
—
▪ Browse through the list of digits and change the
selected digit.
▪ Move the cursor from left to right.
▪ Confirm the pin code and proceed.
User pin code
The User pin code is 0000.
Advanced user pin code
The Advanced user pin code is 1234. Additional menu items for the
user are now visible.
4.2 Domestic hot water
To turn tank heating operation ON or OFF
NOTICE
Disinfection mode. Even if you turn OFF tank heating
operation ([C.3]: Operation > Tank), disinfection mode will
remain active. However, if you turn it OFF while
disinfection is running, an AH error occurs.
1 Go to [C.3]: Operation > Tank.
2 Set operation to On or Off.
To change the tank temperature setpoint
In Reheat only mode, you can use the tank temperature setpoint
screen to read out and adjust the domestic hot water temperature.