9
Heating system maintenance
Regardless of whether a CO detector is
fitted, service the heating system com-
ponents in accordance with the installa-
tion and service instructions and check
them for correct function.
Specification
Rated voltage
24 V– from control unit
Alarm threshold
50 ppm CO to EN 50 291-1
Signal
PWM signal
Protection class
II
IP rating
IP 20 to EN 60 529
Service life
Approx. 10 years
Permissible ambient temperature
0 to +40 °C
Air humidity
Max. 90 % non-condensing
Acoustic alarm
85 dBA/1 m
Sensor
Electrochemical
Declaration of Conformity
CO detector
We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole
responsible body that the named product complies with the provisions of the follow-
ing directives and regulations:
2014/30/EU
EMC Directive
2014/35/EC
Low Voltage Directive
Maintenance and function check
(cont.)
5777 134 GB
Summary of Contents for CO detector
Page 11: ...11 5777 134 GB ...
