
Installation and Operation Manual - COMTEC
®
6000
Service and Maintenance
Doc.-ID: COM6000_11022020_EN
43
5.11
Relay Outputs / Functions and Correlation
The relay contacts are designed for 24V and 1A AC/DC = (Exception: probe valve)
Relay
Contact
Function
System error*
Normally closed
Signals operation-critical errors
X5 (19A/B)
Maintenance
Normally open
System code was entered, system is in maintenance mode X5 (18A/B)
Measuring range
Normally open
Closed: Measuring range 1 active
O
M
i
2
i
X5 (20A/B)
Probe valve**
Normally open
Triggering of the probe valve
X5 (24A/B)
Limit value 1
Normally closed
Signals a violation of limit value 1
X5 (21A/B)
Limit value 2
Normally closed
Signals a violation of limit value 2
X5 (22A/B)
* The relay „system error“ is active also during the heating phase.
** The relay contact for the probe valve is designed for max. 230V and 1A
.
Figure 40
-
Relay plate with marked relays and LEDS
Relay Marking LED Marking
Function
A
a
Main probe heater relay
B b Maintenance
C c System
error
D
d
Limit O2 1
E e Measuring
range
F
f
Limit O2 2
G g Probe
valve
H
h
Solenoid valve test gas 1
I
i
Solenoid valve test gas 2
J
x
Probe heater control