Daikin Altherma EHVZ08S18CB, User Reference Manual

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4 Operation
User reference guide
8
EHVZ04~16S18CB
Daikin Altherma – Low temperature split
4P401674-1 – 2015.02
▪ Change the mode from scheduled to a preset value by pressing
or
Situation Description
17:00
18.0°C
15:20
Mon
Scheduled
Room temperature schedule is
used.
15:20 => Desired temperature =
preset value (Eco (heating)) =
18°C.
The next scheduled action is at
17:00 and the desired
temperature will then increase.
17:00
18.0°C
17:00
19.0°C
Mon Mon
Scheduled Scheduled
You temporarily overrule the
schedule.
Desired temperature = custom
temperature = 19°C.
At the next scheduled action
(17:00), the schedule will be
used again.
17:00
18.0°C
17:20
20.0°C
Scheduled Scheduled
Mon Mon
You change the mode from
scheduled to preset value
(Comfort (heating)).
Desired temperature = preset
value (Comfort (heating)) = 20°C.
After 2 hours, the schedule will
be used again (17:20 => 20°C).
17:20
20.0°C
17:20
21.0°C
Scheduled Scheduled
Mon Mon
Before you have changed the
mode from scheduled to preset
value, and now you temporarily
overrule the preset value.
Desired temperature = custom
temperature = 21°C.
After 2 hours, the schedule will
be used again (17:20 => 20°C).
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)
Usage example: You have a party
If you are in the following situation:
▪ You are using the following room temperature schedule:
▪ 17:00 preset value (Comfort) = 20°C
▪ 23:00 preset value (Eco) = 18°C
▪ Tonight you have a party and you want to use the preset value
(Comfort) until 02:00.
Then you can do the following:
1 Set the overrule period (Temperature lock) to 6 hours.
2 At 20:00, go to the room temperature home page (Room).
3 Press to select .
Result: The preset value (Comfort) will be used until 02:00.
After that, the schedule will be used again.
Usage example: You go away for a couple of hours
If you are in the following situation:
▪ You are using the following room temperature schedule:
▪ 08:00 preset value (Comfort) = 20°C
▪ 23:00 preset value (Eco) = 18°C
▪ At 14:00, you go away for 3 hours.
Then you can do the following:
1 Set the overrule period (Temperature lock) to 2 hours.
2 Go to the room temperature home page (Room).
3 Press to select .
Result: For the next 2 hours, the room will NOT be heated to the
scheduled 20°C, but to the preset value (Eco = 18°C). After the
2 hours, the room will heat up again to the scheduled 20°C.
Advantage:
You save energy because you do NOT heat the room unnecessary,
and by the time you come home the room is warm again.
4.4.6 Room thermostat control - Using the
leaving water temperature home pages
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: A home screen is available for both temperature
zones: the main zone and the additional zone. You only
have to adjust the leaving water temperature settings in
case of problems.
Typical leaving water temperature home pages
Main zone:
User profile = Basic User profile = Detailed
15:20
35°C
LWT main
Desired temperature
Mon
15:20
35°C
17:30 Mon
Mon
Desired temperature
LWT main
Additional zone:
User profile = Basic User profile = Detailed
15:20
45°C
Desired temperature
LWT add
Mon
15:20
45°C
17:30
Mon
Mon
LWT add
Desired temperature
To read out the desired leaving water temperature
(main + additional)
Go to the leaving water temperature home page (LWT main or LWT
add).
To adjust/overrule the leaving water temperature
(NOT linked to room temperature setpoint)
INFORMATION
To see if the leaving water temperature setpoint is linked to
the room temperature setpoint, see
"4.4.3 Determining
which temperature control you are using" on page 6 .