Install high limit safety cut-out (STB)
B
Fig. 20
High limit safety cut-out
A
Plug
/
of high limit safety cut-out (to control
B
sF
sA
unit)
Setting the response temperature
Service instructions
Reset high limit safety cut-out (STB)
Service instructions
Connecting the equipotential bonding
Connect the equipotential bonding in accordance with
the requirements stipulated by your local power supply
utility and VDE [or local] regulations.
Commissioning
Service instructions
20
(cont.)
M
1~
D
C
A
Plug
/
of solar circuit pump
C
sF
sA
Solar circuit pump
D
CH: Connect the equipotential bonding in accordance
with the technical requirements stipulated by your local
power supply utility and SEV regulations.