Daikin EPRA08EAV3, Installer'S Reference Manual

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3 | Specific installer safety instructions
Installer reference guide
19
EPRA08~W1 + ETVH/9W
Daikin Altherma 3 H MT F
4P634886-1 – 2021.03
CAUTION
To guarantee the unit is completely earthed, ALWAYS connect the backup heater
power supply and the earth cable.
INFORMATION
Details of type and rating of fuses, or rating of circuit breakers are described in
"9 Electrical installation" [
4
96].
Configuration (see "10 Configuration" [
4
130] )
WARNING
Be aware that the domestic hot water temperature at the hot water tap will be equal
to the value selected in field setting [2-03] after a disinfection operation.
When the high domestic hot water temperature can be a potential risk for human
injuries, a mixing valve (field supply) shall be installed at the hot water outlet
connection of the domestic hot water tank. This mixing valve shall secure that the
hot water temperature at the hot water tap never rise above a set maximum value.
This maximum allowable hot water temperature shall be selected according to the
applicable legislation.
CAUTION
The disinfection function settings MUST be configured by the installer according to
the applicable legislation.
CAUTION
Make sure that the disinfection function start time [5.7.3] with defined duration
[5.7.5] is NOT interrupted by possible domestic hot water demand.
Commissioning (see "11 Commissioning" [ 4 222] )
WARNING
Commissioning method MUST be in accordance with the instructions from this
manual. See
"11 Commissioning" [ 4 222].
Maintenance and service (see
"13 Maintenance and service" [ 4 233]
)
WARNING
If the internal wiring is damaged, it has to be replaced by the manufacturer, its
service agent or similarly qualified persons.
CAUTION
Water coming out of the valve may be very hot.
NOTICE
Although the water circuit is drained, some water may be spilled when removing the
magnetic filter/dirt separator from the filter housing. ALWAYS clean up spilled water.
NOTICE
To protect the piping connected to the magnetic filter/dirt separator from damage it
is recommended to perform this procedure with the magnetic filter/dirt separator
removed from the unit.