Vitoligno 300-C Installation/Service
5790 980 - 04
16
Boiler Connections
System Layout 1
(continued)
Equipment required
Pos.
Description
1
2
3
4
5
6
7
8
qZ
qU
qI
Heat source
Vitoligno 300-C with
Ecotronic
Outdoor temperature sensor ATS
Buffer tank temperature sensor PTS, top
Buffer tank temperature sensor PTS, centre
Buffer tank temperature sensor PTS, bottom
Safety equipment
Expansion vessel
Boiler circuit pump KKP
Return mixing valve - low temperature protection package
Low temperature protection package
qP
qQ
qW
qE
qT
DHW heating by boiler
Dual mode DHW tank
Tank temperature sensor STS
DHW pump for tank heating UPSB
DHW recirculation pump ZP
Circulation pump for transfer of heat
wQ
wW
wE
wR
wT
wZ
wU
wI
DHW heating by solar thermal system
Solar collectors
Solar Divicon
Solar circuit pump R1
Set of temperature sensors for solar circuit
– Collector temperature sensor KOL
– Tank temperature sensor SOL
High limit safety cut-out HLSC
DHW tempering valve
eP
Heating water buffer tank
rP
rQ
rW
rE
Heating circuit I
Heating circuit, comprising:
Heating circuit pump HKP M1 (heating circuit I)
and...
3-way mixing valve
Stap on supply temperature sensor
Mixing valve motor M1
tP
tQ
Heating circuit II
Heating circuit distributor assembly, comprising:
Heating circuit pump HKP M2 (heating circuit II)
and...
3-way mixing valve