Connection / Name
Note
KM-05
COM 1
Null modem cable 9-pin SUB-D;
Service interface for software update and connection to visualisation
software
KM-06
Broadband probe
Connection cable
1)
5 x 0.75 mm
2
Connection of a Bosch (item number 69001A) or NTK (item number
69003) broadband Lambda probe
KM-07
Primary air
T4 90-150
TX
TI
Connection cable
1)
5 x 0.75 mm
2
KM-08
Air flap
T4 24-75
T4e 20-250
Connection cable
1)
5 x 0.75mm
2
;
Combined air damper for primary and secondary air
Secondary air
T4 90-150
TX
TI
Connection cable
1)
5 x 0.75 mm
2
;
KM-09
Lock
Connection cable
1)
2 x 0.75 mm
2
KM-10
High-limit thermostat
KM-11
EMERGENCY STOP
Caution! Do not connect the emergency stop/shutdown switch to the
boiler power supply line. The switch must be a N/C switch and it
must be linked to the 24V safety chain of the STL at this terminal.
KM-12
Flowmeter
Connection cable
1)
2 x 0.75 mm
2
KM-13
Lambda probe
Connection cable
1)
4 x 0.75 mm²
Connection of a Bosch switching-type sensor (type LSM11) or NTK
switching-type sensor (type OZA685, item number: 69400)
KM-14
Boiler release
Connection cable
1)
2 x 0.75 mm
2
Caution! The connection must be a floating connection.
⇨ See "Boiler enable contact" [page 10]
KM-15
Flue gas temperature sensor
Only use connection cable of the component
KM-16
Door switch for ash box
Connection cable
1)
2 x 0.75 mm
2
KM-17
Sensor 2
Connection cable
1)
2 x 0.75 mm
2
KM-18
Sensor 1
Connection cable
1)
2 x 0.75 mm
2
, sensor 1 in the STL housing
KM-19
Outside temperature sensor
Connection cable
1)
2 x 0.75 mm
2
,
shielded from 25 m cable length
KM-20
Room temperature sensor heating circuit
2
KM-21
Room temperature sensor heating circuit
1
KM-22
Flow temperature sensor heating circuit
2
KM-23
Flow temperature sensor heating circuit
1
KM-24
Return feed sensor
Connection cable
1)
2 x 0.75 mm
2
KM-25
Boiler sensor
KM-26
PDM / 0-10V pump 1
KM-27
Induced draught fan
Connection cable
1)
3 x 1.5 mm
2
for power supply, Connection
cable
1)
3 x 0.75 mm
2
for analysis of current speed
KM-28
Pump 1
Connection cable
1)
3 x 1.5 mm
2
, max. 1.5A / 280W / 230V
KM-29
Mains connection
Connection cable
1)
3 x 1.5 mm
2
, fuse provided by customer: C16A
Power connection and wiring
2
Core module and connection options
Service manual Lambdatronic H 3200 for wood chip boiler | B1480721_en
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