2
EXTERNAL VIEWS
1. EXTERNAL SIZE
FR-521NT/NB
FR-551NT/NB
1
9
7
5
7
750
2
0
5
9
0
1
1
4
24
702
24
1
0
3
8
6
0
5
1
8
2
4
5
9
7
2
0
.5
9
3
1
0
8
8
.5
1
7
8
8
.5
1
0
1
5
750
126
1
1
5
3
3
.5
5
3
7
5
7
750
5
9
0
1
9
2
0
702
24
24
9
7
8
1
1
4
6
0
2
4
5
1
8
5
9
7
2
0
.5
9
3
1
0
2
8
.5
1
7
2
8
.5
1
0
1
5
5
3
3.5
750
11
126
5
3
Содержание FR-521NB
Страница 17: ...16 DIAGRAM 2 CIRCUIT WIRING DIAGRAM ...
Страница 18: ...17 DIAGRAM 3 AIR FLOW DIAGRAM ...