8
System manager operating instructions
20
21
20
21
20
21
20
21
18
19
18
19
Direct zone system pump switch
This switch connects and disconnects power to the direct
zone system pump:
- With the switch at
0
, the pump is not powered
electrically.
- With the switch at
I
, the system pump is powered
electrically and is ready to run.
IMPORTANT:
the system pump must
always
be ready
to run before switching the burner on to allow heat to be
dispersed.
Otherwise, the safety thermostat in the boiler will trigger
when the maximum temperature is reached with the
consequent need to be rearmed.
Mixed zone system pump switch
This switch connects and disconnects power to the mixed
zone system pump:
- With the switch at
0
, the pump is not powered
electrically.
- With the switch at
II
, the system pump is powered
electrically and is ready to run.
IMPORTANT:
the system pump must
always
be ready
to run before switching the burner on to allow heat to be
dispersed.
Otherwise, the safety thermostat in the boiler will trigger
when the maximum temperature is reached with the
consequent need to be rearmed.
Boiler n°1 primary ring system pump switch
This switch connects and disconnects power to the
system pump of the primary ring of boiler n°1:
- With the switch at
0
, the pump is not powered
electrically.
- With the switch at
II
, the system pump is powered
electrically and is ready to run.
IMPORTANT:
the system pump must
always
be ready
to run before switching the burner on to allow heat to be
dispersed.
Otherwise, the safety thermostat in the boiler will trigger
when the maximum temperature is reached with the
consequent need to be rearmed.
V
I
V
I
V
I
O
V I
O
V
I
V
I
Summary of Contents for PANEL BOARD MODULATING MASTER
Page 27: ...Remarks...
