Twin City DWDI Nested Inlet Vanes - ES-494 - Manual (Page 3)

3 Twin City Engineering Supplement ES-494 Twin City Engineering Supplement ES-494 3
Figure 3. Control Ring Position
LEAD ROD TOP ON CTR. LEAD ROD TOP ON CTR.
POS. L
POS. R
LEAD ROD TOP ON CTR. LEAD ROD TOP ON CTR.
POS. L
POS. R
LEAD ROD TOP ON CTR. LEAD ROD TOP ON CTR.
POS. L
POS. R
LEAD ROD TOP ON CTR. LEAD ROD TOP ON CTR.
POS. L
POS. R
FAN SIZES 165 — 222 CW ROTATION FAN SIZES 165 — 222 CCW ROTATION
FAN SIZES 245 — 982 CW ROTATION FAN SIZES 245 — 982 CCW ROTATION
NOTES:
1. For POS. R:
CW fan handle down is open.
CCW fan handle down is closed.
For POS L:
CW fan handle down is closed.
CCW fan handle down is open.
2. Handle location on inlet side of
fan.
3. Reference of AS-13460.
DBD TAU BAU THD TAD UBD BHD
A
A
R
R
R R
L R L
R L
L
L
9.75
PIVOT
1.00
45 °
45 °
HORIZ.
CENTER-
LINE
HOUSING VER
T.
CENTERLIN
E
Figure 4. Nested Inlet Vane Handle Location For Non-rotatable Fans
NOTES:
1. For POS. R:
CW fan handle down is open.
CCW fan handle down is closed.
For POS L:
CW fan handle down is closed.
CCW fan handle down is open.
2. All dimensions are references to AS-13459.
NESTED INLET VANE DIMENSION “A”
FAN HANDLE LOCATION SWSI DWDI
SIZE
DBD TAD THD TAU UBD BAU BHD CL I CL II
CL III CL IV
CL I CL II CL III
BCS 17 BCS 22,26
165 L L R R R R L 12.88 12.88 12.88 12.88 12.88 12.88 12.88
182 L L R R R R L 13.75 13.75 14.25 14.75 13.75 13.75 14.25
200 L L R R R R L 14.75 14.75 15.25 15.75 14.75 14.75 15.25
222 L L R R R R L 16.38 16.38 16.88 16.88 16.38 16.38 16.88
245 L R R R R L L 17.50 17.50 18.00 18.00 17.50 17.50 18.00
270 L R R R R L L 18.75 18.75 19.25 19.75 18.75 18.75 19.50
300 L R R R R L L 21.25 21.25 21.75 21.75 21.25 21.25 22.00
330 R R R R R L L 22.75 22.75 23.25 23.50 22.75 23.00 23.50
365 R R R R R L L 24.75 24.75 25.50 25.50 24.75 25.00 25.50
402 R R R R L L L 27.00 27.00 27.25 27.25 27.00 27.25 27.50
445 R R R R L L L 29.00 29.00 29.25 29.75 29.25 29.25 29.50
490 R R R R L L L 31.50 31.75 31.75 32.50 31.75 31.75 32.00
542 R R R R L L L 34.25 34.50 34.50 35.25 34.50 34.75 34.75
600 R R R R L L L 37.50 37.50 38.25 38.25 37.50 37.75 38.50
660 R R R R L L L 41.00 41.00 41.25 41.75 41.25 41.25 41.50
730 R R R R L L L 45.00 45.25 45.50 46.00 45.25 45.50 45.75
807 R R R R L L L 48.75 49.00 49.75 50.00 49.00 49.25 50.00
890 R R R R L L L 54.50 54.50 55.25 55.50 54.75 55.00 55.50
982 R R R R L L L 62.25 62.50 58.50 58.75 62.50 62.75 58.75
OPPOSITE DRIVE SIDE SHOWN