Commissioning; Start-Up Procedure; Ups Parallel Installation Situation; Ups Input Phase Rotation Check - ABB DPA 250 S4 Operating Manual

78 D PA 2 5 0 S 4 5 0 - 2 5 0 K W O P E R AT I N G M A N U A L
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10 Commissioning

NOTE
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10.1

Start-up procedure

10.1.1
1. Make sure the fuses for the supply of
UPS-System in the input distribution board
on site have been removed.
2. Make sure all the input, output and battery
connections have been correctly performed.
3. Make sure all battery breakers in the UPS
frame(s) and in the external battery cabinets
are in the OFF position (Open).
4. Verify that the maintenance bypass
switch(es).
Q1 (Optional) is/are in OFF position (Open).
5. Verify that the output isolator/s Q2 is/are in
OFF position(Open).
6. The general external output isolator (if any)
must be opened. No load must be connected
to the parallel system output.
10.1.3
1. Insert all modules in the frames.
2. Fix all modules with the supplied screws (2
screws in each module).
3. Insert Rectifier fuses line in customer distri-
bution board.
LED INDICATION
PLEASE REFER TO CHAPTER "5.2.1.4-LED STATUS INDICATORS" FOR THE MEANING OF THE LED
INDICATORS, COLOURS AND BEHAVIOUR
HE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BE PERFORMED BY A SERVICE ENGINEER FROM THE
MANUFACTURER OR BY AN AGENT CERTIFIED BY THE MANUFACTURER

UPS parallel installation situation

before switching it on
Module installation and parameters
check
LED indicators status on all modules
Rectifier
Bypass
Load
Battery Flashing Red
7. Verify that the DIP switch configuration on
each frame in the parallel system is correct.
• Dip switches on Parallel board/s
(see chapter 9.5)
• Dip switches on Customer Interface
board/s (see chapter 9.5).
10.1.2
1. Insert fuses in the customer distribution
board:
• Single input feed configuration
• Dual input feed configuration
2. Check the input phase rotation and sequence
on each frame for both Rectifier and By-pass
lines.
3. Remove the Rectifier fuses and, in case of
dual input feed configuration, also the By-
pass fuses in the customer distribution
board.
COLOR
Green
Green
OFF

UPS input phase rotation check

→ Insert input line fuses.
→ Insert Rectifier and Bypass line fuses.
Display on all modules
SINGLE INPUT FEED CONFIGURATION