Smiths Kelvin Hughes Nucleus 3 5000 Series, System Handbook

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3-PHASE TRANS FORMER KIT
(6000 DIS PLAYS)
FUNC TIONAL DE SCRIP TION
1
T h e 3 - P h a s e T r a n s f o r m e r K i t e n a b l e s t h e
transformation of the Ship’s 440V, 3-phase supply to
220V/110V for use with Nucleus Radar Displays Type 6000
Series.
IN STAL LA TION
2 To install the 3-phase Transformer implement the
following:
(1) Fix the 3-phase Transformer assembly (HRC -
A190) to the back left corner of the base on the
display console using the 2 self captivating panel
screws (attached to the mounting plate) refer to
Figure 1a.
(2) Locate the washers and fasten the nuts on the M6
studs provided.
(3) Plug the socket into the filter unit.
(4) Remove the cover plate of the assembly to reveal
the terminals and then connect the 3-phase mains
input to TBI on the Transformer.
TEST ING PRO CE DURE
3 Switch ON the mains isolator and using a Multimeter
check the following:
(1) The three phase mains input is 380/440V.
(2) The output voltage is 220/110V as set. Refer to
Figure 2a for link settings.
NOTE:
If the output voltage is not present check FS1.
PARTS
4
Table 4 provides the 3-phase transformer part number
information.
Table 4 – 3-Phase Transformer Parts List
CCT
REF.
GRID
REF.
DESCRIPTION KELVIN HUGHES
PART No.
3-Phase
Transformer
NNR - A322
Isolator Cable
Self Captivating
Panel Screws
Original 8a.1 May 01
KH 2020
Chap 8a
CHAPTER 8A
OPTIONS FOR NUCLEUS 3 RADAR DISPLAYS
WARN ING
DAN GER OUS VOLT AGES ARE PRE SENT ON
THE TRANS FORMER WHEN SHIP’S THREE
PHASE MAINS IS CON NECTED AND LIVE.