Huawei NetCol8000-C070 Quick Manual page 7

4. Connect the main pipe using hoses.
Secure the pipe ports using black sealing
rings, and clamp them using hold hoops.
6. Pull out the fan power cable terminals X103 and X104 of module 2, connect them to the power
cable terminals of fan 3 and fan 4 respectively, and bind the power cables along the cabling
beam.
7. Connect the signal cable terminal X302 of module 2 to that of module 3, and bind the power
cables along the cabling beam.
8. Install the rear doors of module 2 and module 3 as well as the fan maintenance baffle plate, and
close the front doors.
3.4
(Optional) Disassembling Equipment Before Entry
1. This method applies to the scenario where the cabinet is too large to directly enter the
installation site.
2. Exhaust nitrogen in the system before disassembling the cabinet.
3. Number each cabinet door after disassembling the cabinet to avoid mixing them up. After you
move the cabinet to the installation position, assemble the cabinet in reverse order of the
disassembling procedure and based on the cabinet door numbers.
4. The following uses a triple-door cabinet as an example to describe the disassembling
procedure.
5. Save the removed screws, hold hoops, and thermal insulation foam, for later use during
cabinet assembling.
6. Connect every two modules together using eight quick release screws, four on the front door
and four on the rear door.
7. Collect the cables in the first module after removing the terminals from the fan power cable,
electric heater power cable, and electric heater signal cable to avoid damaging the cables due
to module separation.
1. Cut off cable ties securing the cable terminals using diagonal pliers. Disconnect the fan power
cable terminals (X101, X102, and X103) and signal cable transfer terminals (X301 and X302).
2. Remove the condensate pipe hose clamps (one needs to be removed for a double-door cabinet,
and two need to be removed for a triple-door cabinet) at the rear of the cabinet using a
screwdriver, and disconnect the condensate pipes.
3. (Optional) Open the front door and disconnect the cable from the electric heater (only
disconnect the cable from the electric heater in the second module).
4. Cut the thermal insulation foam around the pipe hoops using a utility knife, and tear the foam.
5. Use a flat-head screwdriver to remove the hold
hoop from the condensate pipe joint of the module
3. Pull out the condensate pipe from the module 2,
and connect and secure the condensate pipe to the
module 3 using hold hoops.
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