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Configuration
Installer reference guide
149
EPRA14~W1 + ET9W
Daikin Altherma 3 H HT F
4P587503-1A – 2020.01
#
Code
Description
[4.4]
[7‑02]
▪
0:
Single zone
Only one leaving water temperature zone:
a
a
Main LWT zone
[4.4]
[7‑02]
▪
1:
Dual zone
Two leaving water temperature zones. The
main leaving water temperature zone consists
of the higher load heat emitters and a mixing
station to achieve the desired leaving water
temperature. In heating:
b
c
a
a
Additional LWT zone: Highest temperature
b
Main LWT zone: Lowest temperature
c
Mixing station
CAUTION
NOT configuring the system in the following way can cause damage to the heat
emitters. If there are 2 zones, it is important that in heating:
▪
the zone with the lowest water temperature is configured as the main zone, and
▪
the zone with the highest water temperature is configured as the additional zone.
CAUTION
If there are 2 zones and the emitter types are wrongly configured, water of high
temperature can be sent towards a low temperature emitter (underfloor heating). To
avoid this:
▪
Install an aquastat/thermostatic valve to avoid too high temperatures towards a
low temperature emitter.
▪
Make sure you set the emitter types for the main zone [2.7] and for the
additional zone [3.7] correctly in accordance with the connected emitter.
Summary of Contents for Altherma 3 H HT EPRA18DAW1
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