Beretta POWER PLUS - Probes, Pumps, and System Configuration; Probe and Thermostat Positioning; Boiler Pump Configuration

11
CENTRAL HEATING
OUTLET PROBE
SAFETY THERMOSTAT
FLUE GAS PROBE
CENTRAL HEATING
RETURN PROBE
The following probes/thermostats are installed for each heating unit:
80°C
60°C
50°C
30°C
PB
PZ1
PZ2
V2V2
SE
SZ1
SB
SZ2
THE POWER PLUS Boiler does not come with a pump, which must be installed in the system.
When choosing the pump, refer to the following system diagrams.
Confi guration with distribution pumps
Boiler discharge head: 7 mWC
Boiler fl ow-rate: 2 m3/h for each heating unit.
Also consider the pressure drops in the individual circuit.
PB - DHW pump
PZ1 - Pump in zone 1
(high temperature)
PZ2 - Pump in zone 2
(low temperature)
V2 - Two-way valve
(accessory)
SZ1 - Probe in zone 1
SZ2 - Probe in zone 2
SB - DHW probe
SE - Outside probe
b Install probes SZ1, SZ2 and SB in a probe socket (outside of the boiler).
Positioning the Probes
Pumps