Chem-Ad
VPP / VPP-E / VPP-DC
®
Capacity kit
Chem-Ad
®
Chem-Ad
VPP-E
®
Chem-Ad
VPP-DC
3.3.1
Required accessories
The dosing capacity kit is a pump hose pre-assembled on a hose
clamp.
Not included in the peristaltic metering pump scope of supply!
3.3.2
Optional accessories
•
Suction lance
•
Bottom priming valve
•
Applicator
•
Flow check unit
•
Hoses
Please note
Please find order numbers in chapter 8.3.
3.4
Functions
®
VPP
•
Configurable flow rate (0 – 100 % via interior potentiometer
behind the electronic housing cover)
•
Control by switching the supply voltage on and off (AC 230 V
or AC/DC 24 V)
•
Configurable flow rate (0 – 100 % via interior potentiometer
behind the electronic housing cover)
•
Two operating modes are available for control:
- External release of dosing function via isolated input
(mode 1)
or
- External analog signal 4 – 20 mA (mode 2)
•
Rapid-action suction key for fast hose filling
•
Fault message if an error occurs (e.g., suction lance (optional)
electrical or float valve switches).
•
Voltage-free relay contact output (changeover contact) for
"error" or "empty" alarms (e.g., to connect an external warning
device
•
Suction lance interface option with empty signaling contact
•
Control by switching the supply voltage on and off (12 A– 24 V
DC)
3.
Description
57