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58
FITTING AIR/FLUE DUCT EXTENSIONS
Offset Length of
[in mm] air conduit
[in mm
]
Offset Length of
[in mm] air conduit
[in mm
]
Offset Length of
[in mm] air conduit
[in mm
]
730 520
735 525
740 530
745 535
750 540
755 545
760 550
765 555
770 560
775 565
780 570
785 575
790 580
795 585
800 590
805 595
810 600
815 605
820 610
825 615
830 620
835 625
840 630
845 635
850 640
855 645
860 650
865 655
870 660
875 665
880 670
885 675
890 680
895 685
900 690
905 695
910 700
915 705
920 710
925 715
930 720
935 725
940 730
505 295
510 300
515 305
520 310
525 315
530 320
535 325
540 330
545 335
550 340
555 345
560 350
565 355
570 360
575 365
580 370
585 375
590 380
595 385
600 390
605 395
610 400
615 405
620 410
625 415
630 420
635 425
640 430
645 435
650 440
655 445
660 450
665 455
670 460
675 465
680 470
685 475
690 480
695 485
700 490
705 495
710 500
715 505
720 510
725 515
Table 6.1: Length of surplus with 90° elbows
200, 205 0
210, 0
> 210 to not
< 310 mm possible
310 100
315 105
320 110
325 115
330 120
335 125
340 130
345 135
350 140
355 145
360 150
365 155
370 160
375 165
380 170
385 175
390 180
395 185
400 190
405 195
410 200
415 205
420 210
425 215
430 220
435 225
440 230
445 235
450 240
455 245
460 250
465 255
470 260
475 265
480 270
485 275
490 280
495 285
500 290
How to install 87° elbows
Accy. No.: 303 210
Example:
An offset of 400 mm is measured.
This value is then used, along with the
table below, to determine the length
of the air conduit (= 190 mm in this
case).
Important:
This gives a corresponding
exhaust-conduit length of
190 + 40 = 230 mm.
091
Offset
Length of air conduit
95
95
10
10
Fig. 6.3: Installation of 90° elbows
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