Siemens AVS75.39 Series User Manual page 153

Boiler
Electrical connections
Electrical connections
Siemens
Building Technologies
Line no. Operating line
5770 Source type
1-stage ¦ 2-stage ¦ Modulating 3-position ¦ Modulating UX ¦ Without boiler
sensor
1-stage
In the case of a 1-stage boiler plant, the burner stage of the 1-stage boiler is
released as soon as a boiler temperature setpoint is active.
°C
40°C
1
BR
0
Use
L1 Phase burner
Protective earth
N Neutral conductor
T1 Phase burner 1st stage
T2 Burner 1st stage ON
S3 Input burner fault
EX1 Input burner 1st stage hours run.
2-stage
If the required boiler temperature setpoint cannot be attained with the first burner
stage, the second burner stage will be released (release integral satisfied).
When the second burner stage is released, the first burner stage stays active, but
setpoint control will be ensured by the second stage.
The first stage can be switched off again only when the second stage is locked
(reset integral satisfied).
Use
L1 Phase burner
Protective earth
N Neutral conductor
T1 Phase Burner 1st stage
T2 Burner 1st stage ON
S3 Input burner fault
EX1 Input burner 1st stage hours run
FX1 Phase Burner 2nd stage
(T6)
QX1 Burner 2nd stage on
(T8)
User manual RVS43.345
The settings in detail
TKx
Socket Connector type
B AGP8S.07A/109
Socket Connector type
B AGP8S.07A/109
Z AGP8S.04C/109
TKw+SDK½
TKw
TKw-SDK
½
t
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CE1U2354en_021
2013-09-02