Huawei NetCol5000-C30 kW Maintenance And Troubleshooting Manual

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NetCol5000-C30 kW Mai

ntenance and Troubles

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Page 1 NetCol5000-C30 kW Mai ntenance and Troubles hooting www.huawei.com Copyr ight © 2017 H uawei Technologies Co., Ltd. All r ights r eser ved.
Page 2 Foreword This document describes system O&M, part replacement  and handling of the NetCol5000-C30 kW air cooled in-r ow precision air conditioner (NetCol5000-C30 kW in sh ort) to facilitate the use and maintenance of NetCol5 000-C30 kW. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved.
Page 3 Know troubleshooting process of NetCol5000-C30 kW air c  ooled in-row precision air conditioner; Know part replacement process of NetCol5000-C30 kW air  cooled in-row precision air conditioner. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 4...
Page 5: Routine Maintenance
They a re only supplements to the safety instructions. Therefore, only trained and qua lified personnel can install, operate, and maintain Huawei equipment, and they Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved.
Page 6  s in this document. The safety precautions given in this document do not cover all safety precautions. Huawei will not be liable for any consequence caused by violation of the safety operation regulations and design, production, and usage standards.
Page 7: Monthly Maintenance
The electric heater surface is not eroded, Replace the electric heater. inspection dirtied, or blocked. Humidity and temperature sensors in air Visual conditioners and aisles are securely Secure the sensors again. inspection installed. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 8...
Page 8 Five seconds later two condensate pumps would start. Put down the two foats. Do not hold the two foats up so long, to avoid pumping air for a long time. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 9...
Page 9: Quarterly Maintenance
• If the fault persists after the check ends. Otherwise, the humidifer maintenance, see Troubleshooting for will not be flled with water when it is further processing. running. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 10...
Page 10 Operation automatically turn to the maximum openness to inspection opening, troubleshoot by following 100%. Check that the chilled water instructions valve handle automatically turns to the maximum opening. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 11...
Page 12 Visual The heat exchanger fns are not Use a fn brush to organize the fns that inspection pushed down. are pushed down. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 13...
Page 14: Troubleshooting
2.Clear the fan air exhaust vent. generates loud 3.The fan is not securely 3.Fasten the fan screws noises. installed. 4.Replace the fan. 4.The fan is faulty. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 15...
Page 15 If not, replace the relay. 4.Check whether the water pump works properly. If not, replace the water pump. 5.Check that the pipes are not bent by a large angle. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 16...
Page 16 NetCol5000-C is over humidity. surfaces of the 2.Adjust the temperature and 2.The temperature threshold is front or rear humidity thresholds. set to a much smaller value. panels. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 17...
Page 17 4.Adjust the temperature and 5.Alarms, such as full water, in- humidity thresholds. cabinet overfow, smoke 5.Check the alarm causes and sensor, and no refrigerant clear the alarm manually. output are generated. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 18...
Page 18 (PID) control related value. is fast. (The parameters are not set properly. Ensure that temperature temperature fuctuation is fuctuation less than ±1°C. exceeds ± 1°C.) Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 19...
Page 20: Replacing Components In The Elect Rical Control Box
Step 2 Open the air filter clip and remove the filter, as shown by (1) and (2) in Figure; Step 3 Remove all cables from the side panel of the electric control box, a s shown by (3) in Figure; Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 21...
Page 22 Step 9 Install the electric control box by following steps from Step 1 to Step 7 in the reverse order; Step 10 Close and lock the rear door. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 23...
Page 23: Replacing Air Filter
Step 4 Close and lock the rear door; Step 5 Tap Maint > Performance Maint on the home screen to enter the performance maintenance screen and clear the runtime of the air f lter. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 24...
Page 24 Step 6 Install the air f lters; Step 7 Close and lock the rear door; Step 8 Tap Maint > Performance Maint on the home screen and clear the condensate pump total runtime. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 25...
Page 25: Replacing Fan
Step 6 Connect the cables to the fan; Step 7 Close and lock the front door; Step 8 Tap Maint > Performance Maint on the home screen and clear the fan runtime. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 26...
Page 26 Step 6 Verify that cables are correctly connected and power on the device; Step 7 Choose Maint > Performance Maint on the main menu and then clear the electric heater running time. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 27...
Page 27 Step 4 Unfasten the screws on the evaporator hose clamp to loosen the evaporator hose, as shown by (1) in Figure; Step 5 Cut of the cable ties, as shown by (2) in Figure; Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 28...
Page 28 Step 6 Remove the belt clamp on the humidifier cylinder, as shown by (3) in Figure; Step 7 Pull upward to remove the humidifier cylinder, as shown by (4) in Fi gure; Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 29...
Page 29 Step 11 Verify that cables are correctly connected and power on the device; Step 12 Choose Maint > Performance Maint on the main menu and then clear the humidif er running time. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 30...
Page 30 R- shaped pipe clip; Step 5 Reconnect the waterproof connector to the sensor cable; Step 6 Close and lock the front door. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 31...
Page 31 Step 6 Reconnect the waterproof connector to the sensor cable; Step 7 Install the air f lters. For details, see 5.5 Follow-up Procedure; Step 8 Close and lock the rear door. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 32...
Page 33: Replacing Rectifier
Step 7 Install the air f lters and rear door; Step 8 Power on the rectif er and check whether the rectif er works properly. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 34...
Page 35 Chilled Water Valve (2) Step 5 Install a new water valve actuator; （ 1 ） Two-way （ 2 ） Actuator valve （ 3 ） Connecting （ 4 ） Actuator plate handle Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 36...
Page 36 Conf rm the setting and exit diagnostic mode; Step 7 Tap Maint > Perform Maint on the home screen and clear the chilled water valve runtime. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 37...
Page 37 Step 7 Install the air f lters. Close and lock the rear door; Step 8 Tap Maint > Perform Maint on the home screen and clear the f oat runtime. Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 38...
Page 39 Quiz 1. When the NetCol5000-C30 kW is working properly, the drain button on the side of the electronic control box should b e set in the “OFF” state? A. T B. F Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved.
Page 41 Recommendations Huawei E-Learning website:  http://support.huawei.com/learning/en/newindex.html  Huawei support case library:  http://support.huawei.com/enterprise/servicecenter?lang  Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved. Page 42...
Page 42 Thank You www.huawei.com...

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