Huawei BTS3900A Installation Manual page 76

BTS3900A(Ver.B)
Installation Guide
Figure 11-15 Position for installing an AC heater (2)
(1) AC heater
Procedure
Step 1 Slide an AC heater along the guide rails into the cabinet, and then tighten four M6x16 screws
on the panel until the tightening torque reaches 3 N·m, as shown in
Figure 11-16 Installing an AC heater
Step 2 Install a power cable for the heater, as shown in
1.
2.
Issue 01 (2011-10-25)
Remove the cover plate from the junction box.
Route the power cable for the junction box into the TMC11H along the left, link the OT
terminal at one end of the cable to AC power input terminals labeled L and N in the junction
box in the TMC11H, as shown
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(2) SOU
Figure 11-18.
inFigure 11-17 .
11 Installing Optional Modules
Figure 11-16.
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