EKHBRD011~0Y17
Indoor unit for air to water heat pump system
4P402191-1B – 2017.09
Installation manual
26
■
[E-04]=2 high pump speed operation
If you select [E-04]=1 or 2 and [6-00]=1, the unit will activate
the domestic hot water 3-way valve. This function is a helpful
feature to get all air removed out of the system (as well in
space heating as in domestic hot water heating).
See chapter
for more information.
Simultaneous demand of space heating and domestic
water heating
Remote controller leaving water temperature control
When the reheat temperature is reached, the further heat up till
storage temperature of the domestic hot water tank will be decided by
the running timers which are programmed by the installer.
1
Reheat operation
When requesting space heating and domestic water heating
(reheat) at the same time, the domestic water will be heated till
maximum reheat temperature, then space heating will start
again.
2
Storage operation
When requesting space heating and domestic water heating
(storage) at the same time, domestic water will be heated
according to running timer, then space heating will start again
according to running timer, then domestic water heating will start
again according to running timer, this will continue till storage set
point is reached.
[E-04]=1 or 2
▼
Pump operation of 20 minutes
3-way valve in space heating mode
if [6-00]=1
▼
Pump operation of 10 minutes
3-way valve in domestic hot water heating mode
NOTE
Do not forget to restore the field setting [E-04] to the
default value when commissioning is finished!
A
Operation
Space heating
Domestic water heating
B
Domestic hot water reheat thermo-on request
C
Domestic hot water tank temperature
D
Leaving water thermo-on request
F
Domestic hot water lower limit temperature
G
Domestic hot water upper limit temperature
(maximum possible storage temperature) [b-03]
H
Domestic hot water reheat minimum temperature [b-00]
J
Domestic hot water reheat maximum temperature [b-01]
ON
ON
OFF
OFF
A
B
C
H
J
75
°
C
35
°
C
ON
G
F
OFF
D
ON
OFF
A
Operation
Space heating
Domestic water heating
B
Domestic hot water storage thermo-on request
C
Domestic hot water tank temperature
D
Leaving water thermo-on request
F
Domestic hot water lower limit temperature
G
Domestic hot water upper limit temperature
(maximum possible storage temperature) [b-03]
H
Domestic hot water reheat minimum temperature [b-00]
J
Domestic hot water reheat maximum temperature [b-01]
ON
ON
OFF
OFF
1
Minimum operation time for domestic water heating
(initial 30 minutes [d-01])
2
Interval minimum stop time for domestic water heating
(initial 15 minutes [d-02])
3
Maximum operation time for domestic water heating
(initial 30 minutes [d-01])
A
B
C
H
J
75
°
C
35
°
C
ON
G
F
OFF
D
ON
OFF
1
2
3
4PEN402191-1B_2017_09.book Page 26 Friday, October 6, 2017 7:03 PM
