Daikin Altherma 3 R F, Operation Manual

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3 Operation
Operation manual
6
EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596819-1 – 2019.10
3.3 Space heating control
NOTICE
Room frost protection. Even if you turn OFF the leaving
water temperature (main + additional) control via the home
pages (
LWT main
+
LWT add
), room frost protection –if
enabled– will remain active.
NOTICE
Water pipe freeze prevention. Even if you turn OFF the
leaving water temperature (main + additional) control via
the home pages (
LWT main + LWT add ), water pipe freeze
prevention –if enabled– will remain active.
3.3.1 Setting the space operation mode
About space operation modes
The heat pump is a heating only model. The system can heat up a
space, but NOT cool down a space.
3.3.2 Room thermostat control - Using the
room temperature home pages
Typical room temperature home pages
Depending on the user profile, the user interface gives you either a
basic or a detailed home page. To set the user profile, refer to
Configuring user profile and home pages in the user reference
guide.
User profile = Basic User profile = Detailed
15:20
20.0°C
Mon
Room
Actual temperature
15:20
20.0°C
17:30
Actual temperature
Room
Scheduled
Mon
Tue
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
Actual temperature
2 Press .
Result: You can read out the desired temperature.
22.0°C
Desired temperature
To temporarily overrule the room temperature
schedule
1 Go to the room temperature home page ( Room ).
2 In the detailed home page (user profile = Detailed ), select the
scheduled room temperature mode ( ) by pressing or
.
Result: The room temperature follows the scheduled value.
3 Use or to adjust the temperature.
Result: The room temperature follows the manually adjusted
value ( ), but will return to the scheduled value at the next
scheduled action.
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 ).
Result: The room temperature follows the preset value
( Comfort or Eco ), but will return to the scheduled value after the
overrule period (= Temperature lock : 2/4/6/8 hours or
permanent).
3 If necessary, you can overrule the preset value by using or
to adjust the temperature.
Result: The room temperature follows the manually adjusted
value ( ), but will return to the scheduled value after the
overrule period (=
Temperature lock : 2/4/6/8 hours or
permanent).
To set the overrule period
Prerequisite: You switched the permission level to Advanced end
user.
1 Go to [7.2]: > User settings > Temperature lock .
2 Select a value and press :
▪ Permanent
▪ hours (2, 4, 6, 8)
3.3.3 Room thermostat control - Using the
leaving water temperature home pages
For more information about the leaving water temperature, see the
user reference guide.
3.4 Domestic hot water control
NOTICE
Disinfection mode . Even if you turn OFF domestic hot
water operation via the DHW tank temperature home page
(
Tank ), disinfection mode will remain active.
3.4.1 Reheat mode
In reheat mode ( ),the DHW tank continuously heats up to the
temperature shown on the DHW tank temperature home page
(example: 50°C).
t
60°C
00:00 07:00
50°C
15°C
40°C
14:00 21:00
1
2
3
4
Tt
T
t
Domestic hot water tank temperature
t Time
INFORMATION
There is a risk of a space heating capacity shortage/
comfort problem when selecting [6‑0D]=0 ([A.4.1] Domestic
hot water
Type = Reheat only ).
In case of frequent domestic hot water operation, frequent
and long space heating interruption will happen.
3.4.2 Scheduled mode
In scheduled mode ( ), the DHW tank produces hot water
corresponding to a schedule. The best time to allow the tank to
produce hot water is at night, because the space heating demand is
lower.
Example: