50
Plug
aJ
: Return sensor
17
GND
Assignment
Function
Additional information
1
Return sensor
Pt1000
2
Return sensor GND
—
Plug
!
,
aG
and
aNL
1
15
GND
15
1
169
Assignment
Function
Additional information
1
Weather sensor
Pt1000
2
Flue gas sensor
Pt1000
3
—
—
4
GND (for both sensors)
—
Designs
Plug, LV
(cont.)
5604 447 GB