Vertiv Liebert LDF42-R3, Руководство пользователя

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Vertiv I Liebert Air Cooled Condenser I User Manual 14
Table 3-1 Definitions of wiring terminals
Silk print Definition Definition of pins
J1 AC I/O terminal
PE: protection earth
L1, L2, L3: three-phase AC input
U, V, W: three-phase AC output, which connects
with the power supply terminals
The middle terminal pin without logo is reserved
J3 (HP1)
Input terminal of voltage
pressure sensor 1 (spare)
Pin 1: positive terminal of 5V power
Pin 2: input terminal of 0.5V ~ 4.5V pressure
voltage signal
Pin 3: negative terminal of 5V power
J4 (HP2)
Input terminal of voltage
pressure sensor 2 (spare)
J15 (HP1)
Input terminal of current
pressure sensor 1
Pin 1: positive terminal of 12V power
Pin 2: input terminal of 4mA ~ 20mA pressure
current signal J14 (HP2)
Input terminal of current
pressure sensor 2
J5 (Out Temp)
Input terminal of ambient
temperature sensor (spare)
Pin 1: input terminal of temperature signal
Pin 2: signal ground
J11 (RS485)
Serial communication interface
(used for maintenance)
Pin 1: RS485+
Pin 2: RS485-
J7 (Fan1Sta)
Detecting terminal of fan 1 over
temperaturestate
Pin 1: output terminal of 19Vac signal
Pin 2: return terminal of 19Vac signal
J10 (Fan2Sta)
Detecting terminal of fan 2 over
temperature state
J6 (CompSta1)
Detecting terminal of
compressor1 state Pin 1: output terminal of 19Vac signal
Pin 2: return terminal of 19Vac signal
J33 (CompSta2)
Detecting terminal of
compressor2 state
3.2 HMI
The fan speed controller operation and setup is provided through indicators, RS485 serial
communication port, keys and LCD.