Rotex RKHBH008BB3V3 Manual De Instalación página 87

Unidad interior para sistema de bomba de calor de aire-agua
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■ [8-03] Booster heater delay time (only for RKHW*): specifies
the start-up time delay of the booster heater operation when
heat pump domestic water heating mode is active.
INFORMATION
When heat pump is active in domestic water
heating mode, the delay time of booster
heater is [8-03].
When heat pump is not active in domestic
water heating mode, the delay time is 20 min.
The delay timer starts from booster heater ON
temperature (T
1
4
0
1
3
0
1
0
1
0
[8-03]
1 Booster heater operation (1=active, 0=not active)
2 Heat pump domestic water heating mode (1=active, 0=not
active)
3 Hot water request for booster heater (1=request, 0=no
request)
4 Hot water request for heat pump (1=request, 0=no request)
t Time
INFORMATION
By adapting the booster heater delay time versus the
maximum running time, an optional balance can be
found between the energy efficiency and the heat up
time.
However, if the booster heater delay time is set too
high, it might take a long time before the domestic hot
water reaches its set temperature upon domestic hot
water mode request.
The purpose of [8-03] is to delay the booster heater in
relation with the heat pump operation time in domestic
water heating mode.
The setting [8-03] has only meaning if setting
[4-03]=1. Setting [4-03]=0/2/3/4 limits the booster
heater automatically in relation to heat pump
operation time in domestic water heating mode.
Take care that [8-03] is always in relation with the
maximum running time [8-01].
Example: [4-03]=1
Energy saving settings
[8-01]
20~60 min
[8-03]
[8-01] + 20 min
RKHBH/X008BB
Indoor unit for air to water heat pump system
4PW62574-1 – 10.2010
)
BH ON
t
Quick heating settings
(default)
30 min
20 min
■ [8-04] Additional running time at [4-02]/[F-01]: specifies the
additional running time on the maximum running time at
outdoor temperature [4-02] or [F-01]. See figure below.
Heating
t
[8-01]+
[8-04]
[8-02]
[8-01]
0
[5-03]
[4-02]
t Time
T
Ambient (outdoor) temperature
A
Anti-recycle time
Maximum running current
INFORMATION
Only for RKHW*: The full advantage of [8-04] will be
applicable if setting [4-03] is not 1.
[9] Heating and cooling set point ranges
The purpose of this field setting is to prevent the user from selecting
a wrong (i.e., too hot or too cold) leaving water temperature. Thereto
the heating temperature set point range and the cooling temperature
set point range available to the user can be configured.
CAUTION
In case of a floor heating application, it is important to
limit the maximum leaving water temperature at
heating operation according to the specifications of
the floor heating installation.
In case of a floor cooling application, it is important to
limit the minimum leaving water temperature at
cooling operation (field setting of parameter [9-03]) to
16~18°C to prevent condensation on the floor.
■ [9-00] Heating set point upper limit: maximum leaving water
temperature for heating operation.
■ [9-01] Heating set point lower limit: minimum leaving water
temperature for heating operation.
■ [9-02] Cooling set point upper limit: maximum leaving water
temperature for cooling operation.
■ [9-03] Cooling set point lower limit: minimum leaving water
temperature for cooling operation.
■ [9-04] Overshoot setting: defines how much the water
temperature may rise above the set point before the
compressor stops. This function is only applicable in heating
mode.
Cooling
t
[8-01]+
[8-04]
[8-02]
[8-01]
0
[F-01]
35°C
T
A
Installation manual
T
A
34

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