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Specific installer safety instructions
Installer reference guide
19
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
CAUTION
If the indoor unit has a tank with a built‑in electrical booster heater, use a dedicated
power circuit for the backup heater and booster heater. NEVER use a power circuit
shared by another appliance. This power circuit MUST be protected with the
required safety devices according to 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
Configuration (see
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 [5.7.3] with defined duration
[5.7.5] is NOT interrupted by possible domestic hot water demand.
CAUTION
BSH allowance schedule
[9.4.2] is used to restrict or allow booster heater
operation based on a weekly program. Advice: In order to avoid unsuccessful
disinfection function, at least allow the booster heater (by the weekly program) for
minimum 4 hours starting from the scheduled start-up of disinfection. If the booster
heater is restricted during disinfection, this function will NOT be successful and the
applicable warning AH will be generated.
)
WARNING
Commissioning method MUST be in accordance with the instructions from this
manual. See
236].
Maintenance and service (see
)
DANGER: RISK OF ELECTROCUTION
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