Failsafe Models - Watts Valpes VRX Manual Del Usuario

VRX and VSX FAILSAFE models
II 2 G D Ex d IIB T5 Gb Ex tb IIIC T95°C Db LCIE 06 ATEX 6006X
Description
Failsafe ATEX actuators integrate battery pack monitored by electronic board in the actuator. Its function is to relay in case of
power supply failure on terminal PIN 1, 2 and 3 of the actuator. The failsafe actuators can be set on different position like nor-
mally open (NO) or normally close (NC) depends on customer application.
Failsafe option requiered ON/OFF mode.
B
C
LED signification
Leds
Red
Green
Red
Green
Red
Green
Red
Green
Red
Green
36
D E
Blinks/off/Blinks...
Battery discected or out of service
Off
Blinks
Battery loadig cycle in progress (max 14h)
On
Off
Battery loadig cycle finnished
On
Off
Actuator electrical supply during 3 minutes (failure mode)
Blinks rapidly
Blinks rapidly
Microcontroller failure
Off

FAILSAFE MODELS

Rep. Designation
A 24V DC terminal strip
B Block battery terminal strip
State feedback terminal
C
strip (load or battery failure)
D Green LED
E Red LED
Rates current 0,8A
Maximal current 2,4A
A
Initial loading time 14h max.
Load state feedback relay
Temperature
Voltage 24V DC
24V DC -
1A max
-10°C to
+40°C