Daikin Altherma EHVH08SU18CB6W Installer's Reference Manual page 63
Low temperature split
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Also See for Altherma EHVH08SU18CB6W:
- Operation manuals (12 pages) ,
- User reference manual (28 pages)
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Booster heater and heat pump operation
#
Code
N/A
[4-03]
Defines the operation permission of the
booster heater depending on ambient,
domestic hot water temperature or
operation mode of heat pump. This
setting is only applicable in reheat mode
for applications with separate domestic
hot water tank.
▪ 0: Booster heater operation is NOT
allowed
function"
water heating".
Only use this in case the capacity of
the heat pump can cover the heating
requirements
domestic hot water over the complete
heating season.
If the outdoor temperature is below
setting
domestic hot water will not be heated.
The domestic hot water temperature
can be maximum the heat pump OFF
temperature.
▪ 1: Booster heater operation is allowed
when required.
▪ 2: The booster heater is allowed
outside the operation range of the heat
pump
operation.
Booster
allowed if:
▪ Ambient temperature is out of the
▪ Domestic hot water temperature is
ERLQ004~008CA + EHVH04+08SU18+26CB6W
Daikin Altherma – Low temperature split
4P449978-1B – 2018.07
Description
except
for
"Disinfection
and
"Powerful
domestic
of
the
house
[5-03]
and
[5-02]=1,
for
domestic
hot
water
heater
operation
is
operating
range:
T
<[5-03]
a
T
>35°C
a
2°C lower than the heat pump OFF
temperature.
continued >>
#
Code
N/A
[4-03]
and
the
only
or
N/A
[7-00]
N/A
[7-01]
N/A
[6-00]
N/A
[6-01]
Example: setpoint (T
(T
–[6‑01])
HP MAX
8 Configuration
Description
<< continuation
The booster heater will be allowed to
operate when T
<[5-03] depends of the
a
status of [5-02].
If bivalent operation is enabled and
permission signal for auxiliary boiler is
ON, the booster heater will be restricted
even when T
<[5-03]. See [C-02].
a
▪ 3 (default): The booster heater is
allowed when the heat pump is NOT
active in domestic hot water operation.
Same as setting 1, but simultaneous
heat pump
domestic
operation
and
booster
operation is not allowed.
▪ 4: Booster heater operation is NOT
allowed
except
for
function".
Only use this in case the capacity of
the heat pump can cover the heating
requirements
of
the
domestic hot water over the complete
heating season.
If the outdoor temperature is below
setting
[5-03]
and
domestic hot water will not be heated.
The domestic hot water temperature
can be maximum the heat pump OFF
temperature.
When setting [4-03]=1/2/3/4, the booster
heater operation can still be restricted by
the booster heater allowance schedule.
Overshoot temperature. Temperature
difference above the domestic hot water
set point temperature before the booster
heater is turned OFF. The domestic hot
water tank temperature will increase with
[7-00] above selected temperature
set point.
Range: 0°C~4°C (default: 0°C)
Hysteresis. Temperature difference
between booster heater ON and booster
heater OFF temperature. The minimum
hysteresis temperature is 2°C.
Range: 2°C~40°C (default: 2°C)
The temperature difference determining
the heat pump ON temperature.
Range: 2°C~20°C (default: 2°C)
The temperature difference determining
the heat pump OFF temperature.
Range: 0°C~10°C (default: 2°C)
)>maximum heat pump temperature–[6‑01]
U
Installer reference guide
hot
water
heater
"Disinfection
house
and
[5-02]=1,
the
63
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