VTop Control Valves
M/VTOP-M/E ed. 01 2020
3.11 – STATUS MESSAGES
3.11.1 – ANOMALY SIGNALLING RELAY
Error messages can be transmitted remotely with a maximum charge of 24 VDC / 100 Ma using the closure contact
option available in terminals 7 and 8, these messages can be configured with the PSCS software.
3.11.2 – ERROR INDICATIONS
See the table on page no. 24 “OPERATING ANOMALIES – LIST OF ACTUATOR ERRORS” for clarifications on the
LED intermittent codes
3.12 – MAINTENANCE
ATTENTON
BEFORE CARRYING OUT ANY MAINTENANCE OPERATION, DISCONNECT CURRENT, MANUALLY LIFT
THE TRIM USING THE HANDWHEEL AND DO NOT ACTIVATE THE ACTUATOR ELECTRICALLY. FROM NOW ON YOU
CAN EXTRACT THE YOKE - ACTUATOR AND ANY COMPONENT CONNECTED.
3.12.1 – BODY GASKET REPLACEMENT
ATTENTION
IF THE VALVE IS FITTED WITH A SOFT SEAL, CONSIDERING THE COMPLEXITY OF THE OPERATIONS
FOR BODY GASKET/S REPLACEMENT, YOU ARE ADVISED TO CONTACT OUR SUPPORT SERVICE.
For valves
20VT EP
, Fig. “20VT EP” –
50VT EP
, Fig. ”50VT EP” proceed as follows:
unscrew the nuts ref. 12 that tighten the bonnet ref. 9 for version 50VT unscrew the lower and upper nuts ref. 12 that
tighten the lower flange ref. no. 1 and the bonnet ref. 9, at the same time remove the overall actuator with the bonnet
and trim connected, remove the old gasket ref. 8, clean the compartment carefully, replace the gasket/s ref. 9, then
proceed to assembly by carrying out the previous operations in the reverse order.
“20VT EP”
“50VT EP”
