Huawei NetCol8000-C070 Quick Manual
Chilled water smart cooling product
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Summary of Contents for Huawei NetCol8000-C070
- Page 1 NetCol8000-C(070, 130, 190) In-room Chilled Water Smart Cooling Product Quick Guide Issue: 02 Part Number: 31500CWQ Date: 2021-01-24 HUAWEI TECHNOLOGIES CO., LTD.
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Page 2: Product Overview
Active: C40/C63 Active: 4 x 4 mm /4 x 6 mm NetCol8000 Dual Standby: 20.7 A/20.7 A Standby: C40/C40 Standby: 4 x 4 mm /4 x 6 mm -C190 route Copyright © Huawei Technologies Co., Ltd. 2021. All rights reserved. -
Page 3: Installing The Cabinet
• The equipment is charged with nitrogen before delivery. Rotate the exhaust valve counterclockwise. If there is a hiss sound, the system is well sealed, and you need to open the exhaust valve to exhaust the nitrogen. If there is no hiss sound, contact Huawei technical support. - Page 4 Downflow Upflow Removing the Pallet 1. For downflow units, remove the fan maintenance baffle plate at the front door before removing the bolts. 2. For a single-door and double-dour cabinet, remove the four screws from both sides. Open the front door and remove the rear door. Remove the bolts that secure the cabinet and the pallet using a 19# socket wrench.
- Page 5 Securing Equipment For a single-door and double-door cabinet, tighten the four screws on both sides. 1. Secure the base to the ground using the six expansion bolts. 2. Move the cabinet onto the base. Secure the cabinet to the base using six bolts. Install a shock pad between the base and the cabinet.
- Page 6 b. Remove the six screws from the beams on both sides of the fan, and remove the two screws on the connecting piece between the fan and the bottom of the cabinet. Remove the beams and connecting piece. When removing the fan and connecting piece between the fans and the bottom plate, hold the fan to prevent it from rotating automatically.
- Page 7 Connecting Water Inlet and Outlet Pipelines 1. Wrap thermal insulation foam around the whole pipes after pipes are connected. 2. Due to the hardening property of yellow adhesive, nitrogen injection and pressure preserve should be operated 8 hours after the adapter is connected. 1.
- Page 8 Connecting the Drainpipe Downflow Connection method (1) Drainpipe Upflow (1) Drainpipe (Optional) Leakage Test with Nitrogen • If the pressure decreases, apply soapy water on the pipes, especially pipe joints to check for any leakage. • If the pressure is stable, wrap all pipes and connectors with thermal insulation foam. •...
- Page 9 Upflow Leakage Test with Water • To avoid blockage of the heat exchanger in the smart cooling product due to foreign matter from the main pipe during the construction, you are advised to clean the main pipe before water is supplied to the smart cooling product. Turn off the isolation valves on the water inlet and outlet pipes before the cleaning and turn them on afterwards.
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Page 10: Connecting Cables
Connecting Cables • Cables must be routed in through cable clips. • Route and bind the cables along the beams and columns of the unit. • The cabinet has no input neutral wire. You can cut the blue neutral wire and wrap it using insulation tape. - Page 11 (Optional) Connecting the T/H Sensor Outside the Cabinet Downflow Upflow (1) T/H sensors outside the cabinet • The T/H sensors inside the cabinet are secured at the return air side and their UP ports are connected to the main control board. When connecting the T/H sensors outside the cabinet, connect the DOWN port of one T/H sensor inside the cabinet to the UP port of the next T/H sensor outside the cabinet as shown in the following figure.
- Page 12 (Optional) Connecting Teamwork Network Cable and Monitoring Cable Name Description Running indicator Alarm indicator Reserved for MAC_CAN FE_1 port teamwork CAN teamwork and RS485 CAN_IN port monitoring cascading RS485/12V Connects a temperature and port humidity (T/H) sensor. Connects a WiFi module or USB port USB flash drive.
- Page 13 2. Connect teamwork and monitoring communications cables. CAN teamwork + RS485 monitoring Networking Teamwork Monitoring Protocol Modbus-RTU Description One teamwork network It takes 3 x seconds to collect data from smart supports a maximum of cooling products. If the time required for the host to 32 smart cooling collect data from all smart cooling products does not products.
- Page 14 Customers can purchase Huawei's switch and NetEco for the monitoring system. (Optional) Installing the Cap (Applicable to Upflow Units) • It takes two persons to install the cap using a 2 m step ladder. • Before installing the cap, attach the thermal insulation foam in the accessories to the top beam of the smart cooling product, and ensure that the reserved holes in the thermal insulation foam are aligned with the holes in the beam.
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Page 15: Installation Verification
Installation Verification Check Item Expected Result Actual Result The cabinet is installed properly, without any tilt. The cabinet Cabinet is secured to the base by using bolts. The foreign matter inside □ Passed □ Failed the cabinet, such as cable ties and stubs, has been cleaned up. The fan of the downflow unit is lowered and secured to the □... - Page 16 (Optional) Teamwork Settings All teamwork control parameters can be set on the master smart cooling product. Only Teamwork group No., Air conditioner address, Enable teamwork CAN resistor, Teamwork function and Networking mode can be set on slave smart cooling products. Other parameters of the slave units will be modified by the master unit synchronously.
- Page 17 1. First startup flowchart Offline Boot or Online Boot can be selected for the first startup. • Download the Service Expert app from Huawei app store and runs on Android. Apply for permission after downloading the app. • Except that the indoor fan item is mandatory, you can clear other commissioning items that are not required.
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Page 18: Appendix 1: Precautions Against Adding Glycol
Checking after Commissioning Check Item Result The controller has exited from the diagnostic mode. □ Passed □ Failed The temperature and humidity are correctly set. □ Passed □ Failed Power-Off 1. Tap Shutdown on the LCD home screen. 2. Turn off all switches on the smart cooling product. 3. - Page 19 Offline Boot Start Tap Start on the home screen. After tapping Yes, the barcode and the verification code are shown on the screen. Open the Service Expert app. Tap Startup > Offline Activation on app. Enter Bar code and Verification code, and tap Generate PWD.
- Page 20 2. Wizard startup flowchart Start Precautions Commissioning Select commissioning items interrupted (Handle the fault by Fail Indoor fan commissioning referring to the tips Success Fail displayed on (Optional) Electric heater commissioning the home screen. Success Fail Perform Chilled water valve commissioning wizard startup after the Success...
- Page 21 Huawei Technologies Co., Ltd. Huawei Industrial Base, Bantian, Longgang Shenzhen 518129 People's Republic of China www.huawei.com...