Daikin EHFZ03S18DJ3V Installer's Reference Manual page 19

ERLA03DAV3 + EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
WARNING
Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which
can be very hot.
a Refrigerant gas pipe
WARNING
The backup heater MUST have a dedicated power supply and MUST be protected by
the safety devices required by the applicable legislation.
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" [
Configuration (see "10 Configuration" [
CAUTION
The disinfection function settings MUST be configured by the installer according to
the applicable legislation.
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
Make sure that the disinfection function start time [A.4.4.3] with defined duration
[A.4.4.5] is NOT interrupted by possible domestic hot water demand.
Commissioning (see "11 Commissioning" [
WARNING
Commissioning method MUST be in accordance with the instructions from this
manual. See "11 Commissioning" [
3 Specific installer safety instructions
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158].
Installer reference guide
19