Installer reference guide
9
EHVH/X16
Daikin Altherma - Low Temperature Split
4P313777-1 – 2012.05
5 Application guidelines
Under floor heating or radiators – Thermostatic
valves
If you are heating up rooms with under floor heating or radiators, a
very common way is to control the temperature of the main room by
using a thermostat (this can either be the user interface or an
external room thermostat), while the other rooms are controlled by
so-called thermostatic valves, which open or close depending on the
room temperature.
Setup
Q
The under floor heating of the main room is directly connected to
the indoor unit.
Q
The room temperature of the main room is controlled by the user
interface used as thermostat.
Q
A thermostatic valve is installed before the under floor heating in
each of the other rooms.
Configuration
Benefits
Q
Cost effective
.
Q
Easy
. Same installation as for one room, but with thermostatic
valves.
Under floor heating or radiators – Multiple external
room thermostats
Setup
Q
For each room, a shut-off valve (field supplied) is installed to
avoid leaving water supply when there is no heating or cooling
demand.
Q
A bypass valve must be installed to make water recirculation
possible when all shut-off valves are closed.
Q
The user interface connected to the indoor unit decides the
space operation mode. Mind that the operation mode on each
room thermostat must be set to match the indoor unit.
Q
The room thermostats are connected to the shut-off valves, but
do NOT have to be connected to the indoor unit. The indoor unit
will supply leaving water all the time, with the possibility to
program a leaving water schedule.
Configuration
Benefits
Compared with under floor heating or radiators for one room:
Q
Comfort
.
You can set the desired room temperature, including
schedules, for each room via the room thermostats.
Heat pump convectors
Setup
Q
The desired room temperature is set via the remote controller of
the heat pump convectors.
A
Main leaving water temperature zone
B
Room 1
C
Room 2
a
User interface
NOTICE
Mind situations where the main room can be heated by
another heating source. Example: Fireplaces.
Setting
Value
Unit temperature control:
Q
#: [A.2.1.7]
Q
Code: [C-07]
2 (RT control): Unit operation is
decided based on the ambient
temperature of the user interface.
Number of water temperature
zones:
Q
#: [A.2.1.8]
Q
Code: [7-02]
0 (1 LWT zone): Main
T
B
C
A
a
A
Main leaving water temperature zone
B
Room 1
C
Room 2
a
External room thermostat
b
Bypass valve
Setting
Value
Unit temperature control:
Q
#: [A.2.1.7]
Q
Code: [C-07]
0 (LWT control): Unit operation is
decided based on the leaving
water temperature.
Number of water temperature
zones:
Q
#: [A.2.1.8]
Q
Code: [7-02]
0 (1 LWT zone): Main
A
Main leaving water temperature zone
B
Room 1
B
Room 2
a
Remote controller of the heat pump convectors
M2
M1
B
C
A
a
a
b
B
A
a
a
C
Содержание EHVH16S18CA
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