67
Plug
?
: Flow temperature sensor
2
GND
Fig. 47
Assignment
Function
Additional information
1
Flow temperature sensor
Pt1000
2
Flow temperature sensor GND
—
Plug
aJ
: Return temperature sensor
17
GND
Fig. 48
Assignment
Function
Additional information
1
Return temperature sensor
Pt1000
2
Return temperature sensor GND
—
Plug
!
,
aG
and
aNL
1
15
GND
15
1
169
Fig. 49
Assignment
Function
Additional information
1
Outside temperature sensor
Pt1000
2
Flue gas temperature sensor
Pt1000
3
—
—
4
GND (for both sensors)
—
Connection and wiring diagram
LV plugs
(cont.)
5684984
Appendix