General information and system diagrams
8
1
Figure 1.4
System with K18 Hybrigas unit, primary water circuit only and one zone, DHW production optional
A K18 Hybrigas unit
F
Room unit 1 (QAA74.611)
P
A
ST
B9
B3
Q3
F
ST
CSK18
HC1
GHP
K18 CONTROL CABLE
Figure 1.5
System with K18 Hybrigas unit, primary water circuit only and two zones, DHW production optional
A K18 Hybrigas unit
E
Bypass section with overpressure valve
F
Room unit 1 (QAA74.611)
G Thermostats (with timer) for zones
P
A
ST
B9
B3
Q3
ST
CSK18
GHP
HC1
G
F
Q2
HC2
G
Q6
E
K18 CONTROL CABLE
