Daikin EHVH04S18CA, Operation Manual

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3 Operation
Operation manual
4
EHBH/X04+08+16CA + EHVH/X04+0 EHVH/X0
EHVH/26CA
Daikin Altherma - Low Temperature Split
4P313773-1B – 2012.11
Icon Description
User permission level = Installer.
Defrost/oil return mode is active.
Hot start mode is active.
Emergency operation is active.
3.3 Space heating/cooling control
3.3.1 Setting the space operation mode
To set the space operation mode
1 Go to [4]: > Operation mode.
2 Select one of the following and press :
If you select… Then the space operation mode is…
Heating Always heating mode.
Cooling Always cooling mode.
Automatic Automatically changed by the software
based on the outdoor temperature
(and depending on installer settings
also the indoor temperature), and
takes monthly restrictions into account.
Note: Automatic changeover is only
possible under certain conditions.
To restrict when automatic changeover is possible
1 Go to [7.5]: > User settings > Allowed operation mode.
2 Select a month and press .
3 Select Heating only, Cooling only or Heating/Cooling, and press
.
3.3.2 Using the room temperature home page
Typical room temperature home pages
Depending on the user profile, you can do more or less on the home
page.
User profile = Basic User profile = Detailed
20.0°C
1 5 : 2 0
A c t u a l t e m p e r a t u r e
Mon
Room
20.0°C
1 5 : 2 0
1 7 : 3 0
A c t u a l t e m p e r a t u r e
S c h e d u l e d
Tue
Mon
Room
To read out the actual and desired room
temperature
1 Go to the room temperature home page (Room).
Result: You can read out the actual temperature.
20.0°C
A c t u a l t e m p e r a t u r e
2 Press .
Result: You can read out the desired temperature.
22.0°C
D e s i r e d t e m p e r a t u r e
To temporarily overrule the room temperature
schedule
1 Go to the room temperature home page (Room).
2 Use or to adjust the temperature.
To change the mode from scheduled to preset
value
Prerequisite: User profile = Detailed.
1 Go to the room temperature home page (Room).
2 Press or to select a preset value ( or ).
To set the overrule period
1 Go to [7.2]: > User settings > Temperature lock.
2 Select a value and press :
▪ Permanent
▪ hours (2, 4, 6, 8)
Result: This overrule period (Temperature lock) remains valid until
you change it again.
3.3.3 Using the leaving water temperature
home pages (main + additional)
INFORMATION
The leaving water is the water that is sent to the heat
emitters. The desired leaving water temperature is set by
your installer in accordance with the heat emitter type.
Example: Under floor heating is designed for lower leaving
water temperature than radiators and heat pump
convectors and/or fan coil units. You only have to adjust
leaving water temperature settings in case of problems.
For more information about the leaving water temperature, see the
user reference guide.
3.4 Domestic hot water control
3.4.1 Reheat mode
In reheat mode ( ), the DHW tank continuously heats up to the
desired temperature (example: 50°C ).
t
60°C
00:00 07:00
50°C
15°C
40°C
14:00 21:00
1
2
3
4
5
T
t
▪ T
t
: DHW tank temperature
▪ t: Time
INFORMATION
It is recommended NOT to use the selection of ([6
‑
0D]=0,
[A.4.1] Domestic hot water Setpoint mode=Reheat only) in
case of a domestic hot water tank without internal booster
heater.
The risk of space heating (cooling) capacity shortage/
comfort problems is significant (in case of frequent
domestic hot water operation, frequent and long space
heating/cooling interruption will happen).