Power Limitation Process - Daikin EPRA16DAW1 Installer's Reference Manual
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Also See for EPRA16DAW1:
- Installer's reference manual (308 pages) ,
- Installation manual (40 pages) ,
- Installer's reference manual (288 pages)
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5
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Application guidelines
5.6.3 Power limitation process
Installer reference guide
56
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.
The outdoor unit has better efficiency than the electrical heaters. Therefore, the
electrical heaters are limited and turned OFF first. The system limits power
consumption in the following order:
1
Limits certain electrical heaters.
If... has priority
Domestic hot water production
Space heating
2
Turns OFF all electrical heaters.
3
Limits the outdoor unit.
4
Turns OFF the outdoor unit.
Example
If the configuration is as follows:
▪
Power limitation level does NOT allow operation of both booster heater and
backup heater (step 1 and step 2).
▪
Priority heater = Booster heater (if applicable).
Then power consumption is limited as follows:
P
h
d
c
b
a
A
B
C
P
Produced heat
h
C
Consumed energy
e
A
Outdoor unit
B
Booster heater
C
Backup heater
a
Limited outdoor unit operation
b
Full outdoor unit operation
c
Booster heater turned ON
d
Backup heater step 1 turned ON
e
Backup heater step 2 turned ON
"Power consumption
Then set the priority heater via the
Booster heater (if applicable)
Result: The backup heater will be
turned OFF first.
Backup heater
Result: The booster heater (if
applicable) will be turned OFF first.
e
C
e
4
control" [
190]):
user interface to...
EPRA14~18DAV3+W1 + ETBH/X16DA6V+9W
Daikin Altherma 3 H HT W
4P587501-1A – 2020.01
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