Vents RNS-16, User Manual

Page: 9 / 24

9
FUNCTIONAL SWITCHES AND INDICATORS
There are three lights on the indicator panel:
•
Power –
AC mains
(green);
•
Current state – operation (yellow) and alarm/booster heating (red).
AC mains Operation Alarm
Current state and malfunction indication
AC mains -
green
Operation -
yellow
Alarm -
red
EVENT
- - - AC mains disconnected
Temperature sensor feedback operation
ON BLINKING -
«Temperature boosting:
T set > T flow»
ON ON -
«Reaching mode parameters:
T set = T flow»
Power output mode
ON BLINKING -
The blinking frequency is proportional to the
power supplied to the heating elements.
Alarms
ON - ON TK50 thermal contact actuation
ON - BLINKING
Duct pressure switch signal lost or no enabling
signal
ON -
BLINKING
double
intermittent
Temperature sensor shorting or sensed value
out of range (t < -40 0C )
ON -
BLINKING
triple
intermittent
Temperature sensor breakout or sensed value
out of range (t < +90 0C )