General information and system diagrams
8
1
Figure 1�3
System with K18 Hybrigas unit, primary water circuit only and three zones, DHW production optional
A
K18 Hybrigas unit
E
By-pass section with overpressure valve
F
Room unit 1 (QAA75.611)
G
Thermostats (with timer) for zones
P
A
ST
B9
B3
Q3
ST
CSK18
GHP
E
K18 CONTROL CABLE
HC1
G
F
Q2
HC3
G
Q20
HC2
G
Q6