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3 Override Switch
3 Override Switch
= Provisional
operation
= Automatic
operation
Override switch
For provisional operation with fixed boiler
water temperatures:
H
Open middle flip-down cover.
H
Switch override
“
”
from
“
”
to
“
”
.
The following functions are activated:
- control of boiler water temperature via the
adjustable high limit
“
”
- activation of all pumps
- mixing valve(s) remain in operation
- burner activated.
H
Switch back to automatic operation by
changing switch setting from
“
”
to
“
”
.
H
Close middle flip-down cover.
