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Vertiv I Liebert LPC I User Manual
J6 dry contact switch plate condenser speed control interface from the indoor unit #70 / #71
is introduced.
Power line connecting the condenser
Need to go through an external power line when the external power supply line waterproof
connector into the condenser electrical box, the inner diameter of the joint is dia.10mm.
To ensure high waterproof performance of the electrical box, if necessary, after the external
power source is connected. The waterproof connector is connected to the electrical box by a
glue application process. The external power cable from the source is required to be fixed to
the clip on the terminal, and the cable retaining clip holding the electrical box gland cable
between the U bend downward, as shown in following figure 2-36.
Figure 2-36 Condenser Wiring
2.12.12 Inspection of Electrical installation
Table 2.14 depicts the checklist for the Electrical Installation of the LPC model:
Table 2.14 Electrical Installation Inspection checklist
Items Results
The power supply voltage meets the rated voltage on the unit nameplate
The system electric loop has no open or short circuit
Power cables and ground cables to the circuit breakers (MCBs), indoor unit,
and condenser are well connected
The ratings of the circuit breakers (MCBs) and fuses are correct
The control cables are well connected
All the cables connections are fastened and screws fitted correctly
Do not switch the power on as Vertiv Co. authorized professional technicians
have to perform a check and confirm whether it is good to go. The commissioning
process will be performed by the Vertiv Co. subject matter experts and
technicians, therefore, do not power on the unit.