102
Cascade installation schemes
60
0
120
20
40
80
100
TE
RMOME
TRO
°C
60
0
120
20
40
80
100
TE
RMOME
TRO
°C
60
0
12
0
20
40
80
10
0
TE
R
M
O
M
E
TR
O
°C
60
0
12
0
20
40
80
10
0
TE
R
M
O
M
E
TR
O
°C
60
0
12
0
20
40
80
10
0
TE
R
M
O
M
E
TR
O
°C
QAD
QAD
QAZ 21
1 Condensing boiler LUNA
PLA
TINUM
2 Manifold pipes two boilers in cascade
3 Flue tube kit for two boilers
4 Flow/return sensor
5 Hydraulic separator
6 Outdoor sensor (QAC34)
7 Interface for cascade installation (OCI 345)
8 DHW sensor
9 Single coil tank (SC)
10 Safety device ISPESL
(available as optional)
SYSTEM WITH 2 CONDENSING BOILERS LUNA
PLA
TINUM, 1 HIGH
TEMPERA
TURE DIRECT
CIRCUIT
,
1 LOAD
TANK CIRCUIT
(SINGLE COIL)
2
3
5
4
8
9
10
4
OCI 345
OCI 345
1
1
7
AVS75
