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Subject to change without notice | 83054400dUK – Translation into English of the original German operating manual | ait-deutschland GmbH
LW 251
Legend:
Equipement
K10
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
TWE
TWA
TRL
TVL
THG
TA
TBW
RVF
CW
TB1
-X4
-R7
UK
Function
Controller board; Attention: I-max = 6,3A/230VAC
If installed: heat source input gauge
If installed: heat source outlet gauge
Return sensor
Flow sensor
Hot gas sensor
External sensor
Hot water gauge/thermostat
Accessories: Remote control
Encoding resistor
Sensor mixing circuit 1
817345c
-X4
-R8
-X4
-R9
2200 Ohm
-X4
-R11
-X5
-R2
-X5
-R3
-X5
-R4
-X5
-R5
-X5
-R6
-X5
-R10
1
23
45
678
12
8
A
B
C
D
E
F
A
B
C
D
E
F
Blatt
Bl.
3
3
3
45
67
AIT
817345
Stromlaufplan
ait-deutschland GmbH
TA
TA
GND
TBW
TBW
GND
RFV
RFV
GND
TB1
TB1
GND
TWE
TWE
GND
TWA
TWA
GND
TRL
TRL
GND
TVL
TVL
GND
THG
THG
GND
CW
CW
GND
-K10
Änderung
Datum
Datum
Bearbeiter
Geprüft
Norm
Name
02.12.2015
Pfleger
R.
LW 251(L)
Circuit diagram 3/3