Ravelli RBH 150 V Manuel D'utilisation Et D'entretien page 190

Connections for diagram 3 (boiler + buffer tank)
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The optional kit is required to use this diagram
S6
S4
Connections for home automation and gas boiler
For all schemes to use the home automation contact or the gas boiler contact
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Optional kit is required
Use and maintenance manual RBH 150 V - RBH 200 V
S3
S1
N
V2
V1
G7
EN
Rev.2 15/07/2021
Pag.41