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Radiators – Multiple external room thermostats
EBLA09~16D + EDLA09~16D
Daikin Altherma 3 M
4P620241-1B – 2022.05
▪
The user interface connected to the outdoor unit decides the space operation
mode. Mind that the operation mode on each room thermostat must be set to
match the outdoor unit.
▪
The room thermostats are connected to the shut-off valves, and do NOT have to
be connected to the outdoor unit. The outdoor unit will supply leaving water all
the time, with the possibility to program a leaving water schedule.
Configuration
Setting
Unit temperature control:
▪
#: [2.9]
▪
Code: [C-07]
Number of water temperature zones:
▪
#: [4.4]
▪
Code: [7-02]
Benefits
Compared with underfloor heating for one room:
▪
Comfort. You can set the desired room temperature, including schedules, for
each room via the room thermostats.
Setup
a
A Main leaving water temperature zone
B Room 1
C Room 2
a User interface (delivered as accessory)
b External room thermostat
c Bypass valve
d Relay
▪
For more information about connecting the electrical wiring to the unit, see
"9.2 Connections to the outdoor
▪
For each room, a shut-off valve (field supplied) is installed to avoid leaving water
supply when there is no heating or cooling demand.
▪
A bypass valve must be installed to make water recirculation possible when all
shut-off valves are closed. To guarantee reliable operation, provide a minimum
water flow as described in table "To check the water volume and flow rate" in
"8.1 Preparing water
piping" [
0 (Leaving water): Unit operation is
decided based on the leaving water
temperature.
0 (Single zone): Main
B
C
A
M1
d
b
4
unit" [
91].
4
73].
6
Application guidelines
|
Value
c
M2
b
Installer reference guide
39
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