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Application guidelines
Installer reference guide
52
EPRA14~W1 + ETVH/9W(G)
Daikin Altherma 3 H HT F
4P587502-1 – 2019.07
Configuration
▪
Set the power consumption control settings in [9.9] via the user interface (for the
description of all settings, see
-
Select limitation by digital inputs.
-
Select the type of limitation (power in kW or current in A).
-
Set the desired power limitation level corresponding to each digital input.
INFORMATION
In case more than 1 digital input is closed (at the same time), the digital input priority
is fixed: DI4 priority>…>DI1.
5.6.3 Power limitation process
The outdoor unit has better efficiency than the electrical heater. Therefore, the
electrical heater is limited and turned OFF first. The system limits power
consumption in the following order:
1
Turns OFF the backup heater.
2
Limits the outdoor unit.
3
Turns OFF the outdoor unit.
Example
If the configuration is as follows: Power limitation level does NOT allow operation
of backup heater (step 1).
Then power consumption is limited as follows:
P
h
C
e
a
b
c
A
B
P
h
Produced heat
C
e
Consumed energy
A
Outdoor unit
B
Backup heater
a
Limited outdoor unit operation
b
Full outdoor unit operation
c
Backup heater step 1 turned ON
5.6.4 BBR16 power limitation
INFORMATION
Restriction:
BBR16 settings are only visible when the language of the user interface is
set to Swedish.
NOTICE
2 weeks to change.
After you activated BBR16, you only have 2 weeks to change its
settings (
BBR16 activation
and
BBR16 power limit
). After 2 weeks, the unit
freezes these settings.
Note:
This is different from the permanent power limitation, which is always
changeable.
