5
2.5 WAW priority and the summer mode
OFF -
SUMMER-
ON -
PRIORITY-
CLOCK-
SPECIAL
<43> Loading temp. of WAW
special
The WAW loading pump turned off. Only the CH pump can run.
Turning off the heating system in summer time (the CH pump doesn
’
t operate).
Fireplace only works in the preparation function of the WAW.
Standard operation (parallel operation of pumps) without favouring the WAW circuit
Faster reaching the readiness of the WAW container by limiting heat flowing
into the heating system. The CH pump works cyclically. Turning off the WAW pump after
loading the container causes the comeback of normal operation of the CH pump
outside the time zones
$1...$3 the pump operates like in the ON mode and in the
time zone like PRIORITY
-outside the time zones $1...$3 the pump operates like in the ON mode and in the
time zone like PRIORITY. Additionally during loading the WAW container the preset
temperature of the water jacket is raised up to 65 C.(the
parameter)).
o
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
16
2.6
“
CONTROL
”
output
The control unit is equipped with the CONTROL relay whose contacts can be used e.g. to
switch off another heat source when the fireplace works. The
parameter
defines the function of the relay more precisely. (see PARAMETERS LEVEL 3)
<12> CONTROL Relay
CONTROL relay turned off
CONTROL relay turned on
Pump P1
230V/50Hz
Pump P2
230V/50Hz
Pump P3
230V/50Hz
+
+
+
0
0
0
VCC
STER
GND
Temperature
sensors
Choke valve
T1
PP
PE
T2
T3
MAINS
230V/50Hz
N N N N
L
1
2
3
L
L
L
N
PE
L
RED
YELLOW
BLACK
Fig.3 Electrical scheme
PP Choke valve
T1 Upper temperature sensor of the WAW container (option)
T2 Lower temperature sensor of the WAW container
T3 Temperature sensor of the fireplace water jacket
P1 Pump loading the WAW container from the fireplace
P2 Pump of the primary side of the heat exchanger (it operates if P1 or P2 is activated)
P3 CH circulating pump
CONTROL
FUSE
By selecting WAW MODE you can run diverse strategies of operation as follows:
!
In case of using the COMBO buffer (that is, the WAW is inside the buffer, parameter
“
<93>
BUFFER COMBO=ON
”
), the WAW priority can be enhanced by setting
“
<62> WAW/BUF
Priority=ON
”
. It causes a cyclical operation of the buffer pump(P2) while loading the WAW.
