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“FPER2” and “FPERSR” - Installation and Maintenance manual
ELECTRICAL CONNECTIONS
Electrical plug provided is “SCHUKO”. Proceed with followings before make the electrical connections:
- check and verify ground system;
- install a 0.03 A breaker to prevent current peeks due to ground system
malfunctions;
- Check and ensure supplied power is as requested in the pump label;
- connect ground before proceeding with others electrical connections;
Electrical features:
Power supply range for 230 V models
198÷242 VAC
Frequency 50÷ 60 Hz; Average input power at max speed: 5W
Do not connect the pump in parallel to an inductance load, like motors, to prevent
electronic circuitry damages. Always usa a connector to cut off spikes due to other
devices switching.
Dosing pump in parallel connection with inductive loads
P - Metering Pump
R - Relay
I - Connector or Multi-Pole Safety Devide
E - Inductance Load
A - Power Supply
ELECTRICAL PROTECTION
“FPER2” circuit is protected with a fuse located beneath the back cover of the pump. Proceed as
follows to replace the fuse:
- Unplug power supply
- remove the 8 screws on the back cover of the pump
- replace fuse, use only approved fuses reported in table below
- put back cover in place, take care of seal position
Pumps are equipped with a protection against overvoltages (working voltages: 275 V), and a
voltage peek protection up to 4 KV, 50
μ
sec against pulses like in figure
