Power-On Commissioning; Power-On Preparations - Huawei NetCol8000-C070 User Manual

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual

4.1 Power-On Preparations

Context
There is no phase sequence requirement for the cable connection to the smart
cooling product. If a five-core cable is used, cut off the neutral wire and wrap the
exposed part using insulation tape.
Procedure
Step 1 Check that the AC/DC PSU and main control module are inserted properly and the
latches are locked.
Step 2 (Applicable only to downflow units) Check that the fan is lowered.
Step 3 Check that the fan switch QF4 and electric heater switch QF3 (optional) are
turned on and the smart cooling product is properly grounded.
Step 4 Verify that the input voltage meets the requirement.
Step 5 Verify that the indoor unit power cable is connected properly.
Step 6 Verify that the water sensor is properly installed.
Step 7 If teamwork networking is required, verify that the teamwork cable is correctly
connected.
Step 8 Verify that the cable connections and DIP switch settings of the T/H sensors are
correct.
Step 9 Turn on the general switch. For a device that has two power inputs, turn on the
active power switch QF1 and standby power switch QF2.
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Issue 09 (2022-12-15)
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Power-On Commissioning

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4 Power-On Commissioning
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