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Application guidelines
Installer reference guide
61
EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1C – 2023.07
b
Electrical cabinet (L
1
/L
2
/L
3
/N): Normal kWh rate power supply
c
Power meter (L
1
/N)
d
Power meter (L
1
/L
2
/L
3
/N)
e
Fuse (L
1
/N)
f
Fuse (L
1
/L
2
/L
3
/N)
g
Outdoor unit (L
1
/N)
h
Indoor unit (L
1
/N)
i
Backup heater (L
1
/L
2
/L
3
/N)
6.6 Setting up the power consumption control
You can use the following power consumption controls. For more information
about the corresponding settings, see
215].
#
Power consumption control
1
"6.6.1 Permanent power limitation"
▪
Allows you to limit the power consumption of the entire heat pump
system (sum of indoor unit and backup heater) with one permanent
setting.
▪
Limitation of power in kW or current in A.
2
"6.6.2 Power limitation activated by digital inputs"
▪
Allows you to limit the power consumption of the entire heat pump
system (sum of indoor unit and backup heater) via 4 digital inputs.
▪
Limitation of power in kW or current in A.
3
"6.6.4 BBR16 power limitation"
▪
Restriction:
Only available in Swedish language.
▪
Allows you to comply with BBR16 regulations (Swedish energy
regulations).
▪
Limitation of power in kW.
▪
Can be combined with the other kW power consumption controls. If you
do so, the unit uses the most restrictive control.
NOTICE
It is possible to install a field fuse with lower than recommended rating over the heat
pump. For this you must modify field setting [2‑0E] according to the maximum
allowed current over the heat pump.
Note that field setting [2‑0E] overrules all power consumption control settings.
Power limiting the heat pump will reduce performance.
NOTICE
Set a minimum power consumption of ±3.6 kW to guarantee:
▪
Defrost operation. Otherwise, if defrosting is interrupted several times, the heat
exchanger will freeze up.
▪
Space heating and DHW production by allowing the backup heater step 1.
▪
Disinfection operation.
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