Optional) Installing An Ac Heater - Huawei DBS3900 Installation Manual

DBS3900 (Ver.B)
Installation Guide
Step 4 Label the installed cables. For details, see Attaching a Cable-Tying Label.
----End

6.4.5 (Optional) Installing an AC Heater

This section describes the procedures for installing an AC heater and related cables in an
APM30H. AC Heaters may be required in an APM30H based on actual requirements.
Context
If an SOU is not installed in the cabinet, an AC heater is preferentially installed in the bottom 1
U space of the cabinet, as shown in
heater must be installed above the SOU, as shown in
Figure 6-51 Position for installing an AC heater (1)
Figure 6-52 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 6-53 Installing an AC heater
Issue 06 (2011-09-15)
6 Outdoor Scenario with AC Power Supply (BBU Installed
Figure
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6-51. If an SOU is installed in the cabinet, an AC
Figure 6-52.
(2) SOU
in an APM30H)
Figure 6-53.
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