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Xtreme Power Conversion Corporation
E90 Service Manual
Page 33
Uninterruptible Power Supply
No.
Definition
Specification
Name
Description
J5
Parallel signal Name:neilsbed
Description:2001S-13P P=2.54mm 180° single
row square PIN white
Parallel signal
Parallel signal
J20
Parallel sig-
nal1
Name:PC interface
Description:DB15 male P=2.29mm black 90°
Parallel signal1
Parallel signal1
J28
Parallel sig-
nal2
Name:PC interface
Description:DB15 female P=2.29mm black 90°
Parallel signal2
Parallel signal2
Inspection before installation
Room environment inspection
UPS room:
UPS should be installed in a cool, dry, clean and well-ventilated environment, such as the room
temperature should be < 40°C, the humidity≤95% when 20°C, no dust on the floor, especially without
any conductive powder. The room air cannot contain acid mist or other conductive medium. For detail,
please refer to the users’ manual and other specifications.
Battery room:
The battery should be also placed in a cool, dry, clean and well-ventilated environment. The available
temperature is 15°C-25°C, typically is 20°C. The place where the battery located should keep the
constant temperature and far away from heat and vents.
UPS location inspection
The users’ manual offers the detailed installation instruction, it can be referred for installation.
Check if enough space is left for maintenance operation, ensure that the operator can still pass
through freely when the door is fully opened.
There is no obstruction in the front, above and below of UPS. Enough space should be left for
ventilation.
Air is primarily comes from front door, so check if the front door leave enough air inlet space.
UPS visual inspection
Particularly important: it is necessary to have a comprehensive inspection of internal and
external of UPS
1. Check the external power cable connection(include input /Output phase sequence
battery polarity, fasten bolt and ect.)
2. Check if the parallel cables are connected well? If they are routed separately from power cables?
3. Check if the external signal of the battery box and LBS (when needed) connections are good or
correct?
4. Check if the internal signal cable is connected well, if the cable is loosed by shaking it gently
5. Check if the internal boards or components are disconnected or damaged?