User Manual

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Building Technologies Division CC1N7714en
23.11.2017
Standards and certificates
Note!
Only in connection with burner controls!
EAC Conformity mark (Eurasian Conformity mark)
ISO 9001:2015
ISO 14001:2015
OHSAS 18001:2007
China RoHS
Hazardous substances table:
http://www.siemens.com/download?A6V10883536
Service notes
When cleaning the detector, never use burner cleansing spray. Always use a clean and
dry cloth exclusive.
Mechanical design
Compact photo resistive flame detector with infused 2-wire thermoplastic cable.
The detector is available with normal sensitivity, high sensitivity, or selected higher
sensitivity, with or without flange and clamp or soft plastic plug (refer to «Type
summary»).
Flame detector without soft plastic plug.
This type of detector is fitted with the help of a flange.
A guide groove in the securing flange and a cam on the detector clamp ensure
vibration-free mounting and make certain that the photo resistive flame detector is
always correctly sited towards the flame.
Flame detector with soft plastic plug.
For mounting this type of detector on the burner, all that is required is a hole with a
lateral groove (refer to «Dimensions»).
The sealing and securing ribs of the soft plastic plug hold the detector firmly in the hole.
The guide spring guarantees correct alignment of the photo resistive flame detector
with the flame.
 Small flange, 21 mm spacing, plastic version
 Large flange, 36 mm spacing, plastic version
 Clamp, plastic version
The detector is supplied with a metal protective tube having an external diameter of
17 mm.
This type of detector is always secured with a flange and a clamp (refer to
«Accessories QRB3…»).
 Flange, metal version
 Clamp, metal version
General
QRB1...A
QRB1...B
A
ccessories QRB1…
QRB3...
A
ccessories QRB3…