3
0
0
1
0
t
1
■
2
3
■
4
t
■
time.
■
■
■
■
■
[8-
03] Booster heater delay time: specifies the start-up time
■
[8-04] Additional running time at [4-02]/[F-
01]: specifies the
delay of the booster heater operation when heat pump
additional running time on the maximum running time at
domestic water heating mode is active.
outdoor temperature [4-02] or [F-
01]. See figure below.
■
When heat pump is active in domestic water
Heating
Cooling
heating mode, the delay time of booster
t
t
heater is [8-03].
■
When heat pump is not active in domestic
water heating mode, the delay time is 20 min.
[8-01]+
[8-04]
[8-01]+
[8-04]
■
The delay timer starts from booster heater ON
[8-02]
[8-02]
temperature (T
BH ON
)
[8-01]
[8-01]
4
1
0
[5-03]
[4-02]
T
A
0
[F-01]
35°C
T
A
0
t
Time
1
T
A
Ambient (outdoor) temperature
maximum running time
anti-recycle time
1
The full advantage of [8-04] will be applicable if setting
[4-03] is not 1.
[9]
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.
[8-03]
CAUTION
Booster heater operation (1 = active, 0 = not active)
In case of a floor heating application, it is important to
limit the maximum leaving water temperature at
Heat pump domestic water heating mode
(1 = active, 0 = not active)
heating operation according to the specifications of
the floor heating installation.
Hot water request for booster heater
(1 = request, 0 = no request)
In case of a floor cooling application, it is important to
Hot water request for heat pump (1 = request, 0 = no request)
Time
limit the minimum leaving water temperature at
cooling operation (field setting of parameter [9-03]) to
60.8~64.4°F (16~18°C) to prevent condensation on
By adapting the booster heater delay time versus the
the floor.
maximum running time, an optional balance can be
■
[9-00] Heating set point upper limit: maximum leaving water
found between the energy efficiency and the heat up
temperature for heating operation.
■
[9-01] Heating set point lower limit: minimum leaving water
However, if the booster heater delay time is set too
temperature for heating operation.
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
■
[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.
water heating mode.
■
[9-
04] Overshoot setting: defines how much the water
The setting [8-03] has only meaning if setting
[4-03]=1. Setting [4-03]=0/2/3 limits the booster
heater automatically in relation to heat pump
temperature may rise above the set point before the
compressor stops. This function is only applicable in heating
mode.
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
Quick heating settings
Energy saving settings
(default)
[8-01]
20~95 min
30 min
[8-03]
[8-01] + 20 min
20 min
Installation manual
EDLQ036~054B EBLQ036~054BA6VJU1
32
Unit for air to water heat pump system
4PW56182-1
