Trane Symbio CVRF, Руководство по установке

Страница: 42 / 48

Starter Work
42 CVRF-SVN005C-EN
The secondary CT used in the two transformer per phase is
shown in
Figure 56, p. 42 . For a typical wiring diagram used for
wiring low voltage applications using dual CTs, two
transformers per phase, see
Figure 57, p. 43 .
Figure 56. Secondary CT used with 5 amp primary CT, X13580266-01, TRR00975
72.0-108.0 TRR00448 TRR00975 150:05:00 150 2.5 1 108
86.4-129.6 TRR00448 TRR00975 180:05:00 180 2.5 1 129.6
96.0-144.0 TRR00448 TRR00975 200:05:00 200 2.5 1 144
120-180 TRR00449 TRR00975 250:05:00 250 2.5 1 180
144-216 TRR00449 TRR00975 300:05:00 300 2.5 1 216
168-252 TRR00449 TRR00975 350:05:00 350 2.5 1 252
192-288 TRR00450 TRR00975 400:05:00 400 2.5 1 288
240-360 TRR00450 TRR00975 500:05:00 500 2.5 1 360
288-432 TRR00450 TRR00975 600:05:00 600 2.5 1 432
336-504 TRR00451 TRR00975 700:05:00 700 2.5 1 504
384-576 TRR00451 TRR00975 800:05:00 800 2.5 1 576
480-720 TRR00451 TRR00975 1000:05:00 1000 2.5 1 720
480-720 TRR00655 TRR00975 1000:05:00 1000 4 1 720
576-864 TRR00499 TRR00975 1200:05:00 1200 2.5 1 864
576-864 TRR00655 TRR00975 1200:05:00 1200 4 1 864
720-1080 TRR00499 TRR00975 1500:05:00 1500 2.5 1 1080
720-1080 TRR00655 TRR00975 1500:05:00 1500 4 1 1080
864-1296 TRR00453 TRR00975 1800:5, X1-X2 1800 4 1 126
1008-1512 TRR00453 TRR00975 2100:5, X1-X3 2100 4 1 1512
1200-1800 TRR00453 TRR00975 2500:5, X1-X4 2500 4 1 1800
Table 10. CT specifications for two transformers per phase (continued)
Actual Motor
RLA (A)
Primary CT
Number
Second CT
Number CT Ratio (A:A) CT Rating (A)
Inside Dia.
(inches) Primary Turns CT Meter Scale
Front View / Primary
RED BRN
Front View / Secondary
BLK WHT
Bottom View
BLK WHT
RED BRN
Primary
Leads
Secondary
Leads
Schematic
RED
BROWN
BLACK
WHITE
Primary
Secondary