Siemens LMV50 series

209/327
Building Technologies Basic Documentation LMV5... CC1P7550en
12 Description of connection terminals (AC 230 V) 22.05.2018
Description of connection terminals (cont’d)
Terminal markings
Connection symbol
Safety class Input Output
Description of connections Electrical rating
X8-01
PIN 2
I
˜ Firing on oil
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cosι 0.4
PIN 1 ˜ Firing on gas
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cosι 0.4
X8-02
PIN 4
I
˜ Protective earth (PE)
PIN 3
˜ Neutral conductor (N)
PIN 2
˜
Wiring point for in series switched
valves
PIN 1 ˜ Fuel valve 1 (oil)
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cosι 0.4
X8-03
PIN 4
I
˜ Protective earth (PE)
PIN 3
˜ Neutral conductor (N)
PIN 2
˜
Wiring point for in series switched
valves
PIN 1 ˜ Fuel valve 1 (oil)
AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cosι 0.4
X9-01
PIN 4
I
˜ Fuel valve 1 (gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cosι 0.4
PIN 3 ˜ Fuel valve 2 (gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cosι 0.4
PIN 2 ˜ Pilot valve (gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cosι 0.4
PIN 1 ˜ Fuel valve (shut-off valve-gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cosι 0.4
X9-02
PIN 2
I
˜ Protective earth (PE)
PIN 1
˜ Neutral conductor (N)
X9-03
PIN 4
I
˜
Pressure switch-min-gas (Pmin-gas,
start release gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 3 ˜ Pressure switch-max-gas (Pmax-gas)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 2 ˜
Pressure switch valve proofed-gas /
leakage test or valve closure contacts
(CPI)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 1 ˜ Power signal for pressure switch
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 500 mA