Procedure
Step 1 Turn on the QF3 switch that controls the outdoor unit and compressor and the
QF4 switch that controls the heater and humidier.
Step 2 Check that the power indicators of the PSU, auxiliary supply power module, and
main control module are on. Figure 4-11 shows the power indicators.
Figure 4-11 Power indicators
(1) Power indicator of the
main control module
(2) Power indicator of the
auxiliary supply power module
(3) Power indicator of the PSU
NetCol5000-A025 In-row Air Cooled Smart Cooling
Product
User Manual (300 mm Width) 4 Power-On Commissioning
Issue 15 (2020-12-10) Copyright © Huawei Technologies Co., Ltd. 122
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