Daikin Altherma 3 H F - Multiple Rooms - Two LWT Zones

6 | Application guidelines
Installer reference guide
31
EPGA11~16DAV3(7) + EAVZ16S18+23DA6V(7)+9W
Daikin Altherma 3 H F
4P556075-1A – 2021.09
NOTICE
An overpressure bypass valve can be integrated in the system. Keep in mind that this
valve might not be shown on the illustrations.
NOTICE
If you install this unit as a single-zone application, then:
Setup. Install a bypass between the space heating water inlet and outlet of the
additional zone (=direct zone). Do NOT interrupt the water flow by closing the shut-
off valves.
a
a Bypass
Configuration. Set field setting [7-02]=0 (Number of zones = Single zone).
6.2.1 Multiple rooms – TwoLWT zones
This unit is designed to deliver water at 2 different temperatures. A typical
installation consists of underfloor heating at a lower temperature and radiators at
a higher water temperature.
In this document:
▪ Main zone = Zone with the lowest design temperature
▪ Additional zone = Zone with the highest design temperature
Typical example:
Room (zone) Heat emitters: Design temperature
Living room (main zone) Underfloor heating: 35°C
Bed rooms (additional zone) Heat pump convectors: 45°C
Setup
j
k
j
HPC1
FHL1 FHL2 FHL3
HPC2 HPC3
B
A
C
E
D
M
b
g hf
d e
i
i
hh
h
a c
h
A Additional leaving water temperature zone
B Room 1