Siemens LMV50 series

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Building Technologies Basic Documentation LMV5... CC1P7550en
11 Description of connection terminals (AC 120 V) 22.05.2018
Description of connection terminals (cont’d)
Terminal marking
Connection symbol
Safety class Input Output
Description of connections Electrical rating
X8-01
PIN 2
I
˜ Firing on oil
AC 120 V +10 % / -15 %, 50...60 Hz,
1 A, cosι 0.4
PIN 1 ˜ Firing on gas
AC 120 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 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), 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 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), cosι 0.4
X9-01
PIN 4
I
˜ Fuel valve 1 (gas)
AC 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), cosι 0.4
PIN 3 ˜ Fuel valve 2 (gas)
AC 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), cosι 0.4
PIN 2 ˜ Pilot valve (gas)
AC 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), cosι 0.4
PIN 1 ˜ Fuel valve (shut-off valve-gas)
AC 120 V +10 % / -15 %, 50...60 Hz,
1.6 A, (pilot duty), 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 120 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 3 ˜ Pressure switch-max-gas (Pmax-gas)
AC 120 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 2 ˜
Gas pressure switch valve proving /
valve proving or valve closure contacts
(CPI)
AC 120 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN 1 ˜ Power signal for pressure switch
AC 120 V +10 % / -15 %, 50...60 Hz,
Imax 500 mA