8 Configuration
Installer reference guide
61
RVLQ05+08CAV4 + RHYHBH05AA + RHYHBH/X08AA +
RHYKOMB33AA
ROTEX HPU hybrid
4P355635-1 – 2013.05
Weather dependent
The weather dependent installer settings define the parameters for
the weather dependent operation of the unit. When weather
dependent operation is active the desired tank temperature is
determined automatically depending on the averaged outdoor
temperature: low outdoor temperatures will result in higher desired
tank temperatures as the cold water tap is colder and vice versa. In
case of scheduled or scheduled+reheat domestic hot water
preparation, the storage comfort temperature is weather dependent
(according to the weather dependent curve), the storage economic
and reheat temperature are NOT weather dependent. In case of
reheat only domestic hot water preparation, the desired tank
temperature is weather dependent (according to the weather
dependent curve). During weather dependent operation, the end-
user cannot adjust the desired tank temperature on the user
interface.
#
Code Description
[A.4.6] N/A Desired temperature mode:
▪ Fixed (default): disabled. All desired
tank temperature are NOT weather
dependent.
▪ Weather dep.: enabled. In scheduled
or scheduled+reheat mode, the
storage comfort temperature is
weather dependent. Storage economic
and reheat temperatures are NOT
weather dependent. In reheat mode,
the desired tank temperature is
weather dependent.
Note: When the displayed tank
temperature is weather dependent, it
cannot be adjusted on the user
interface.
[A.4.7] [0-0E]
[0-0D]
[0-0C]
[0-0B]
Weather-dependent curve
T
DHW
T
a
[0-0C]
[0-0B]
[0-0E] [0-0D]
▪ T
DHW
: The desired tank temperature.
▪ T
a
: The (averaged) outdoor ambient
temperature
▪ [0-0E]: low outdoor ambient
temperature. −20~5°C (default:
−10°C)
▪ [0-0D]: high outdoor ambient
temperature: 10~20°C (default: 15°C)
▪ [0-0C]: desired tank temperature when
the outdoor temperature equals or
drops below the low ambient
temperature: 45~[6-0E] (default: 65°C)
▪ [0-0B]: desired tank temperature when
the outdoor temperature equals or
rises above the high ambient
temperature: 35~[6-0E] (default: 55°C)
Timers for simultaneous request space and domestic hot water
operation
# Code Description
N/A [8-00] Minimum running time for domestic hot
water operation. During this time, space
heating/cooling is NOT allowed, even
when the target domestic hot water
temperature has been reached.
Range: 0~20 minutes (default: 5)
N/A [8-01] Maximum running time for domestic hot
water operation. Domestic hot water
heating stops even when the target
domestic hot water temperature is NOT
reached.
▪ When system layout = Room
thermostat control: This preset value is
only taken into account if there is a
request for space heating or cooling. If
there is NO request for space heating/
cooling, the tank is heated until the
setpoint has been reached.
▪ When system layout ≠ Room
thermostat control: This preset value is
always taken into account.
Range: 5~95 minutes (default: 30)
N/A [8-02] Anti-recycling time.
Minimum time between two cycles for
domestic hot water.
Range: 0~10 hours (default: 0.5) (step:
0.5 hour).
[8-02]: Anti-recycling time
t
1
0
1
0
[8-01] [8-02]
[8-00]
1
Heat pump domestic water heating mode (1=active,
0=not active)
2
Hot water request for heat pump (1=request, 0=no
request)
t
Time
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