Chapter 2. Installation of outdoor unit
14 Shenzhen INVT Network Technology Co., Ltd.
2.2.6.2 Connection cables
Outdoor unit: users follow the wiring label as shown in Figure 2-8 below, the power line
(PE/L1/L2/L3) and signal line (AL/AL) from the indoor unit control box outdoor unit output
interface to the outdoor unit corresponding terminals, wiring work is complete, indoor unit
outdoor unit output interface details, please refer to the indoor unit user manual.
Outdoor unit power supply：380V，50/60Hz 3~
Figure 2-8 Outdoor unit wiring cross-reference diagram
Low temperature components: Users follow the wiring label as shown in Figure 2-9, the
indoor unit control box low temperature component terminals (SV/SV/PE/HE/HE) wired to the
corresponding low temperature component terminals, wiring work is complete, indoor unit and
outdoor unit output interface details, please refer to the indoor unit user manual.
Figure 2-9 Low temperature component wiring cross-reference diagram
Note
1) In order to ensure the high waterproof performance of the electric control box, it is
necessary to glue the waterproof joints after the external power supply is connected.
2) When used in low temperature environment, the dual system outdoor unit is equipped
with 2 sets of low temperature components, wiring attention to distinguish between
system No. 1 and system No. 2.
3) The cable should not be in contact with high temperature objects (such as uninsulated
copper pipes, water pipes, etc.) to avoid damaging the insulation layer.
4) Please observe local regulations for wiring.
2.2.7 Pressure-holding, leak detection, vacuuming
See the relevant section of the indoor unit user manual for instructions.
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