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Siemens Building Technologies
Basic Documentation LMV5...
CC1P7550en
HVAC Products
11 Description of the connection terminals (AC 230 V)
13.08.2004
11 Description of the connection
terminals (AC 230 V)
Termi
nal
designa-
tion
Connection symbol
Input
Output
Description Electrical
rating
PIN1
x
Fan motor contactor
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ
0.4
X3-01
PIN2
x
Alarm
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ
0.4
PIN1
x
Air pressure switch (LP)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
X3-02
PIN2
x
Power signal for air pressure switch
(LP)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 500 mA
PIN1
x
End switch burner flange
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 5 A
X3-03
PIN2
x
Power signal for end switch burner
flange
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 5 A
PIN1
x
Safety loop
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 5 A
PIN2
x
Power signal for safety loop
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 5 A
PIN3
x
Protective earth (PE)
PIN4
x
Neutral conductor (N)
X3-04
PIN5
x
Live conductor (L)
AC 230 V +10 % / -15 %, 50...60 Hz,
fuse 6.3 AT
(DIN EN 60 127 2 / 5)
Fuel selection “internal” if pin 1-2 is not
used
PIN1
x
Fuel selection gas
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN2
x
Fuel selection oil
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN3
x
Fan contactor contact (FCC) or FGR-
PS
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
X4-01
PIN4
x
Reset / manual lockout
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN1
x
Protective earth (PE)
PIN2
x
Neutral conductor (N)
X4-02
PIN3
x
Ignition
AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cos
ϕ
0.2
PIN1
x
Protective earth (PE)
PIN2
x
Neutral conductor (N)
X4-03
PIN3
x
Start signal or PS relief (APS test valve) AC 230 V +10 % / -15 %, 50...60 Hz,
0.5 A, cos
ϕ
0.4