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Automatic setback function
Setback function provides the possibility to lower the room
temperature. The setback function can for instance be activated
during the night because the temperature demands during night and
day are not the same.
■
Remark that the b icon will be flashing during
NOTE
setback operation.
■
By default the setback function is enabled.
■
The setback function can be combined with the
automatic weather dependent set point operation.
■
Setback function is an automatic daily scheduled
function.
The setback function is configured through field settings. Refer to
"4.15. Field settings" on page 19
one or more field settings.
■
[2-00] Status: defines whether the setback function is turned ON
(1) or OFF (0)
■
[2-01] Start time: time at which setback is started
■
[2-02] Stop time: time at which setback is stopped
■
[5-02] Leaving water setback temperature (temperature drop)
T
A
65°C
5°C [5-02]
B
60°C
[2-01]
A
Normal leaving water temperature set point
B
Leaving water temperature, including the leaving water setback
temperature
t
Time
T
Temperature
4.4. Emergency operation
■
[8-02] Emergency operation
During emergency mode, heating is only done by the heater kit,
not by the heat pump.
Activation of emergency mode is done by changing field setting
[8-02]=1.
Activating the emergency mode will stop the heat pump
operation. The pump of the indoor unit will be started, but
heating itself is done by the heater kit. If there are no error
conditions in leaving or returning water thermistors, the heater
kit can start to follow emergency operation.
NOTE
Before activating emergency operation, be sure to
activate the heater kit. The heater will stay in
emergency mode until the field setting is set back
to default [8-02]=0.
Operation manual
7
for a detailed description how to set
t
[2-02]
4.5. Space cooling operation (c c c c )
Space cooling operation can be controlled in two different ways:
■
based on room temperature,
■
based on leaving water temperature.
The purpose of each operation and how the configuration is done, is
explained below.
Room temperature control
In this mode, cooling will be activated as required by the room
temperature set point. The set point can be set manually or through
the schedule timer.
NOTE
When using room temperature control, space cooling
operation based on room temperature will have priority
over leaving water control.
Note that it is possible that the leaving water
temperature becomes lower than the set point if the
unit is controlled by room temperature.
Selecting space cooling operation
Use the y button to switch ON/OFF space cooling (c).
1
Icon c appears on the display as well as the corresponding
actual room temperature.
The operation LED 0 lights up.
2
Use the bi and bj buttons to set the desired room
temperature.
Temperature range for cooling: 16°C~32°C (room temperature)
Refer to
"4.12. Programming and consulting the schedule timer"
on page 13
for setup of the schedule timer function.
Use the ébi and ébj buttons to select the leaving
3
water temperature which you want to be used to cool down your
system (for detailed information see
control" on page
6).
Leaving water temperature control
In this mode, cooling will be activated as required by the water
temperature set point. The set point can be set manually or through
the schedule timer.
Selecting space cooling operation
Use the y button to switch ON/OFF space cooling (c).
1
Icon c appears on the display as well as the corresponding
water temperature set point.
The operation LED 0 lights up.
Use the ébi and ébj buttons to set the desired leaving
2
water temperature.
Temperature range for cooling: 20°C~5°C (leaving water
temperature)
Refer to
"Programming space heating" on page
space cooling" on page
15,
"Programming domestic water heating"
on page
16, and
"Programming quiet mode" on page 17
the schedule timer function.
■
NOTE
When an external room thermostat is installed,
the thermo ON/OFF is determined by the external
room thermostat. The remote controller is than
operated in the leaving control mode and is not
functioning as a room thermostat.
■
The remote controller ON/OFF status always has
priority over the external room thermostat!
■
Setback
operation
setpoint are not available in cooling operation.
"Leaving water temperature
14,
"Programming
for setup of
and
weather
dependent
EKHVMRD50+80AAV1 + EKHVMYD50+80AAV1
Daikin Altherma indoor unit
4PW61264-1A – 10.2010
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