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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
Description of the connection terminals (cont’d)
Terminal
designation
Connection symbol
Input
Output
Description Electrical rating
PIN2 x Firing on oil AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ 0.4
X8-01
PIN1 x Firing on gas AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ 0.4
PIN4
x Protective earth (PE)
PIN3
x Neutral conductor (N)
PIN2
x Wiring point for valves connected in se-
ries
X8-02
PIN1 x Fuel valve V1 (oil) AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ 0.4
PIN4
x Protective earth (PE)
PIN3
x Neutral conductor (N)
PIN2
x Wiring point for valves connected in se-
ries
X8-03
PIN1 x Fuel valve V1 (oil) AC 230 V +10 % / -15 %, 50...60 Hz,
1 A, cos
ϕ 0.4
PIN4 x Fuel valve V1 (gas) AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cos
ϕ 0.4
PIN3 x Fuel valve V2 (gas) AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cos
ϕ 0.4
PIN2 x Fuel valve PV (gas) AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cos
ϕ 0.4
X9-01
PIN1 x Fuel valve SV (gas) AC 230 V +10 % / -15 %, 50...60 Hz,
2 A, cos
ϕ 0.4
PIN2
x Protective earth (PE) X9-02
PIN1
x Neutral conductor (N)
PIN4 x Pressure switch-min-gas, start release
gas
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN3 x Pressure switch-max-gas (DWmax-gas) AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
PIN2 x Pressure switch-VP-gas / LT or valve
closing contact (CPI)
AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 1.5 mA
X9-03
PIN1 x Power signal for pressure switch AC 230 V +10 % / -15 %, 50...60 Hz,
Imax 500 mA