Heating engineer
Installation, use and maintenance manual – K18 Hybrigas
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3
3.2.4
Hydraulic diagrams
3.2.4.1
K18 Hybrigas hydraulic diagram
Figure 3.1
K18 Hybrigas
1
heat pump + condensing boiler K18 Hybrigas
2
modulating internal water pumps with available head of 2,0 m w.c.
3
anti-vibration connection
4
pressure gauge
5
separator filter
6
shut-off valve
7
GHP immersion temperature probe (standard) to be installed on heating
circuit (see Paragraph 3.2.4.3
8
outdoor temperature probe (available as OSND007 optional)
A
gas connection
B
ambient chronothermostat (available as OCDS007 optional)
3.2.4.2
K18 Hybrigas EVO hydraulic diagram
Figure 3.2
K18 Hybrigas EVO
1
heat pump + condensing boiler K18 Hybrigas
2
modulating internal water pumps with available head of 2,0 m w.c.
3
anti-vibration connection
4
pressure gauge
5
separator filter
6
shut-off valve
7
GHP immersion temperature probe (standard) to be installed on heating
circuit (see Paragraph 3.2.4.3
8
3-way diverting valve for heating/DHW management (available as
OVLV007 optional)
9
DHW buffer tank, 200 or 300 liter, 3 or 4 sqm coil (available as optional
OSRB012 or OSRB004)
10 Immersion temperature probe (available as OSND004 optional)
11 system controller (required optional OQLT019)
12 outdoor temperature probe (standard with OQLT019)
13 advanced room unit (optional supplied as per standard with OQLT019, to
be placed, preferably, in a heated room)
A
gas connection