5
6. The WAW pump
The WAW priority and the summer mode
The mixing valve (mixer)
The controller controls the pump loading the WAW container. The cycle of loading starts if the WAW
temperature sensor indicates a temperature below
At the lack of the temperature sensor of the WAW container (T2) the loading is realized at a wild
guess. The WAW pump switches on if water temperature in the water jacket of the stove reaches the
preset value or is above 50 C (
”
”
).
The controller realizes an after-season rundown of the pump. The pump switches on for a minute if
it doesn
’
t run for a week.
The controller controls a typical mixing valve (drive 230V/50Hz, integrated limit switches), keeping
up the preset temperature set by a user at the output of the valve.
Independent of the selected mode the additional parameters (<68> and <69>) allow the behavior
of the mixer drive to be individually adjusted.
The controller realizes an after-season rundown of the pump and the drive of the mixer.
If they don
’
t operate for a week the pump switches on for a minute and after it turns off the drive runs
for a minute.
50 C (
”
and ends if the
temperature is above 60 C (
”
”
). After finishing loading the WAW container the
pump runs still for a minute (
”
<46> TimeRunDownPumpWAW
”
), which prevents the temperature in
the jacket of the boiler from rising especially in summer time when the CH pump doesn
’
t run.
The loading is restricted to 2hours if the minimal temperature has been reached <52>.
The WAW pump operation is stopped if the following requirements are not met: water temperature
in the boiler is below the preset threshold 42 C (
”
”
) or water temperature in the
boiler is not higher by 5 C than in the WAW container(
”
”
).
The controller has different strategies for loading the WAW container as follows:
the WAW pump is off. The CH pump can run.
turning off the heating system in summer time (the CH pump doesn
’
t run,
mixer operation - see Ch.6/page 4). The fireplace operates only in the function of preparing
the WAW.
- normal operation (parallel operation of the pumps) without favoring the WAW circuit
- faster reaching the readiness of the WAW container by restricting the reception of
the heat by the heating system. The CH pump run cyclically. Turning off the WAW pump
after loading the container causes the normal operation of the CH pump to come back.
the pumps run as in PRIO mode. Additionally during loading the container the
preset temperature of the boiler is raised to 65 C (
”
”
).
The mixer can operate in one of the modes: off mode, floor mode and safety of the boiler return
temperature mode (
”
”
):
- the mixer maintains the preset temperature in the range of 20
…
40 C of the
floor system (<62p>
„
”
), additionally the alarm turns on and the pump turns off after
exceeding 40 C of the floor system (<61>
). Damage of the sensor of the
mixer causes the valve closed and the pump of the mixer switches off (P3). In SUMMER mode the
mixer is closed and its pump is off.
-the mixer is disabled and its pump is off.
- the mixer controls the flow of the return water to the boiler in order to keep
up the minimum return temperature set by the <62>
„
”
.parameter.
Damage of the sensor of the mixer causes the valve opened. The SUMMER mode has no effect
on the operation of the mixer.
o
o
o
o
o
o
o
<52> TminWAW”)
<51> TmaxWAW
<42> T.onPumpWAW
<54> DeltaWAW
<53> TLoadWAW
<60> ModeMIXER
TempFLOOR
„TempALARM-FLOOR”
TempMIXER
!
!
!
o
<52> TminWAW
5.1
7
OFF-
SUMMER-
ON
PRIO
SPEC-
FLOOR mode
OFF mode
RETURN mode
?
?
?
?
?
?
?
?
Za
łą
czony przeka
ź
nik STEROWANIE
Wskazanie górnego czujnika CWU
Wskazanie dolnego czujnika CWU
Wskazanie czujnika kominka
CO
*
KOM
?
CWU
80
o
73
o
68
o
20
POWER SUPPLY 230V/50Hz:
OUTPUTS 230V/50Hz:
VALVE DRIVE OUTPUT 230V/50Hz:
TEMPERATURE SENSORS:
The controller is to be connected to the mains protected by an appropriate fuse for the used
pumps and blower (typically 6,3A/230V):
L-
2 terminals L connected in the controller
N-
2 terminals N connected in the controller
PE-
2 safety terminals PE connected in the controller
L-DM- blower (200W max)
L-P1-
CH pump (200W max)
L-P2-
WAW loading pump (200W max)
L-P3-
mixer pump (200W max)
L-M+
valve drive - opening (brown or black depending on the valve mounting)(200W max)
L-M-
valve drive - closing (black or brown depending on the valve mounting)(200W max)
valve drive - connect the common output (blue) to N
valve drive - connect the safety cable (green-and-yellow) to PE
TB-
safety sensor of the boiler STB (in case of not using STB, apply the jumper)
T1-
boiler sensor (KTY81)
T2-
sensor of the WAW container (KTY81) (in case of not mounting the WAW,
leave unconnected)
T3-
sensor of the mixer (KTY81)(in case of not mounting the mixer, leave unconnected)
T4/TP- room thermostat (in case of not mounting the thermostat, leave unconnected)
T5-
available
T6-
temperature sensor of the flue gas (PT1000)
