Siemens LMV51.100B2 - Description of the Connection Terminals (AC 230 V)

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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)
Terminal 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