Siemens Wallace & Tiernan Chem-Ad VPP Instruction Manual page 65

Chem-Ad VPP / VPP-E / VPP-DC
®
4.1.4 Switching the mains voltage over (Chem-Ad
®
The Chem-Ad
If necessary, the Chem-Ad
Warning!
Power error!
Do not run the peristaltic metering pump with incorrect voltage!
Unit fuse can blow. Other damages or malfunctions may occur.
Warning!
During operation at 24 V, the peristaltic metering pump is not
protected by the internal fine-wire fuse. For this reason, always fit
an external 1 A fuse.
Procedure:
1 Disconnect the 230 V connector from the "AC 230 V" socket
on the circuit board.
2 Disconnect the 24 V connector from the "AC/DC 24 V" socket
on the circuit board and connect to the 24 V connection cable.
3 Reconnect the 24 V connector to the circuit board.
Installation
VPP is factory wired for AC 230 V supply voltage.
®
VPP is reconnectable to AC/DC 24 V.
4.
®
VPP only)
65