Siemens LMV51 Series - Page 278

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Siemens Building Technologies Basic Documentation LMV5... CC1P7550en
HVAC Products 19 Addendum 4: LMV52... with O2 trim control and O2 module 13.08.2004
Terminal
marking
Connection
symbol
Eingang
Ausgang
Description of connection Electrical limit values
PIN 6 x Temperature compensation QGO... (U3)
DC [0...2 V], Ri > 100 k
Ω
PIN 5 x Power supply temperature compensation (G2)
DC [12...18 V], Ra = 20
Ω
PIN 4 x x GND (M)
PIN 3 x Thermocouple (B2)
DC [0...33 mV], Ri > 100 k
Ω
PIN 2 x x GND (M)
X81
PIN 1
x Nernst voltage (B1)
DC [-25...1 mV], Ri > 100 k
Ω
PIN 5 GND x Signal reference
PIN 4 CANL x Communication signal
PIN 3 CANH x Communication signal
DC U <= 5 V, Rw = 120
Ω,
Level to ISO-DIS 11898
PIN 2 12VAC2 x AC supply for O2 module
X84
PIN 1 12VAC1 x AC supply for O
2 module
AC12V +10%/-15%, 50...60 Hz,
Fuse max. 4 A
PIN 5 GND x Signal reference
PIN 4 CANL x Communication signal
PIN 3 CANH x Communication signal
DC U <= 5 V, Rw = 120
Ω,
Level to ISO-DIS 11898
PIN 2 12VAC2 x AC supply for O2 module
X85
PIN 1 12VAC1 x AC supply for O
2 module
AC12V +10%/-15%, 50...60 Hz,
Fuse max. 4 A
Combustion air / flue gas temperature sensor
PIN 3 x Shield connection
PIN 2 x Signal reference
X86
PIN 1
x
Flue gas temperature sensor input Pt1000 /
LG-Ni 1000
PIN 3 x Shield connection
PIN 2 x Signal reference
X87
PIN 1
x
Combustion air temperature input Pt1000 /
LG-Ni 1000
PIN 1 PE x Protective earth (PE)
PIN 2 Q5 N x QGO... heating N (Q5)
X89-02
PIN 3 Q4 L x QGO... heating L (Q4) At AC 120 V +10 %/-15 %,
50...60 Hz, Imax. 2.5 A
At AC 230 V +10 %/-15 %,
50...60 Hz, Imax. 2.5 A
PIN 4 PE x Protective earth (PE)
PIN 5 N x Power supply neutral conductors (N)
X89-01
PIN 6 L x Power supply live conductor (L) AC230V +10%/-15%, 50...60Hz,
Imax. 2.5 A