Connecting Several Accessories; Commissioning - Viessmann Solar EM-S1 Extension Installation And Service Instructions Manual

Connections

Connecting Several Accessories

Some accessories with direct power supply
Legend
A Heat generator control unit
B Mixer extension kit for heating circuit with
mixer M2 (electronics module)
C Mixer extension kit for heating circuit with
mixer M3 (electronics module)
Further accessories
D
jF PlusBus

Commissioning

10
Solar EM-S1 Extension Installation / Service
Power supply and PlusBus connection
In the following circumstances, use the contact
(output) of the accessories only to switch an on-site
relay:
An actuator with a higher power demand than the
fuse rating required for the accessories,
e.g. a circulation pump, is connected to the contact
(output) of the accessories.
Configuring the solar EM-S1 extension
The parameters for the solar EM-S1 extension are set
at the heat generator control unit.
Heat generator installation and service
instructions