35600 FHI DD

User Manual: 35600

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Panel Fan Direct Drive

Series FHI

TRIANGLE ENGINEERING
of Arkansas, Inc.

SOUND FIGHTER FANS

as standard. (Open motors are not
recommended.)
• All available motor configurations
(chemical type, 50 cy, etc.) are available
as an option.
• Formed motor mounting plate to minimize
vibration.
• Split Tapered Standard Drive Hubs per­mit
easy removal of the fan from the shaft for
maintenance purposes
• Standard finish: Coated with a polyester
powder coat paint system for long life and
superior corrosion resistance.

Accessory Equipment
• RAIN LOUVERS supplied in heavy duty
galvanized steel to protect against rain on
supply units.
• WALL BOXES for mounting to wall
openings and/or for mounting screens or
shutters. (Can also be used to convert wall
fan into semi-portable spot or man cooler.)
• SHUTTERS are available in air, manual
and electric motor operated types.
NON-OVERLOADING AIRFOIL Cast
Aluminum Fan Blades are a special feature
to insure high operating efficiencies.
Conventional flat blades cause excessive air
turbulence which results in motor overloads
and poor acoustic performance.

Standard Features
• Heavy duty cast aluminum propeller with
Airfoil blades for quiet, efficient operation.
Standard construction is 4-bladed propeller
through 36" and 6-bladed propeller through
60". Other duties and arrangements are
available. Consult factory.
• Deep spun venturi-type orifice for quieter,
more efficient operation.
• Rugged all-welded structural frame for
added support and lower vibration.
• Taper-lock bushing between propeller and
shaft for ease of removal, should it become
necessary.
• Motors are totally enclosed, fan cooled

12

• DISCHARGE SCREENS are constructed
of heavy gauge wire and of a mesh
suitable for most industrial applications.

Direct Drive

TRIANGLE ENGINEERING
of Arkansas, Inc.

Series FHI

SOUND FIGHTER FANS

ALL ANGLE OPERATION:
Fan can be mounted vertically
in a wall, horizontally in a roof
with appropriate hood cover, or
at any intermediate angle.

FAN
MODEL

MOTOR
HP

FHI-24-DD

1/2

PROPELLER
RPM DIA.
1150

24

A
30

DIMENSIONS
B
C
16-1/2

9-1/2

D
3

FHI-24-DD

3/4

1150

24

30

16-1/2

9-1/2

3

FHI-24-DD

1

1150

24

30

16-1/2

9-1/2

3

FHI-24-DD

1-1/2

1750

24

30

16-1/2

9-1/2

3

FHI-30-DD

1/2

860

30

36

17-1/2

10-1/2

3

FHI-30-DD

3/4

860

30

36

17-1/2

10-1/2

3

FHI-30-DD

1

1150

30

36

17-1/2

10-1/2

3

FHI-30-DD

2

1150

30

36

17-1/2

10-1/2

3

FHI-30-DD

3

1750

30

36

17-1/2

10-1/2

3

FHI-36-DD

3/4

860

36

42

17-1/2

10-1/2

3

FHI-36-DD

1

860

36

42

17-1/2

10-1/2

3

FHI-36-DD

2

1150

36

42

17-1/2

10-1/2

3

FHI-36-DD

3

1150

36

42

20

13

3

FHI-36-DD

5

1150

36

42

20

13

3

FHI-36-DD

7-1/2

1150

36

42

20

13

3

FHI-42-DD

2

860

42

48

22

15

3

FHI-42-DD

5

860

42

48

22

15

3

FHI-42-DD

5

1150

42

48

22

15

3

FHI-42-DD

7-1/2

1150

42

48

22

15

3

FHI-42-DD

10

1150

42

48

22

15

3

FHI-48-DD

3

860

48

54

22

13

3

FHI-48-DD

5

860

48

54

22

15

3

FHI-48-DD

7-1/2

860

48

54

22

15

3

FHI-48-DD

7-1/2

1150

48

54

22

15

3

FHI-48-DD

10

1150

48

54

23-1/2

16-1/2

3

FHI-48-DD

15

1150

48

54

23-1/2

16-1/2

3
3

FHI-54-DD

5

860

54

60

22

15

FHI-54-DD

7-1/2

860

54

60

22

15

3

FHI-54-DD

10

860

54

60

23-1/2

16-1/2

3

FHI-60-DD

5

860

60

66

22

15

4

FHI-60-DD

7-1/2

860

60

66

23-1/2

16-1/2

4

FHI-60-DD

10

860

60

66

23-3/4

15-1/2

4

13

Direct Drive

TRIANGLE ENGINEERING
of Arkansas, Inc.

Series FHI

4 Blades

MODEL	
	NO.
FHI-24-DD
FHI-24-DD
FHI-24-DD
FHI-24-DD
FHI-30-DD
FHI-30-DD
FHI-30-DD
FHI-30-DD
FHI-30-DD
FHI-36-DD
FHI-36-DD
FHI-36-DD
FHI-36-DD
FHI-36-DD
FHI-36-DD

6 Blades

MODEL	
MODEL NO.
FHI-42-DD
FHI-42-DD
FHI-42-DD
FHI-42-DD
FHI-48-DD
FHI-48-DD
FHI-48-DD
FHI-48-DD
FHI-48-DD
FHI-54-DD
FHI-54-DD
FHI-54-DD
FHI-60-DD
FHI-60-DD
FHI-60-DD

SOUND FIGHTER FANS

MTR.		
HP	RPM

TIP
SPEED

PEAK				
BHP
.00"SP
.10"SP
.125"SP

.25"SP

1/2
3/4
1
1-1/2
1/2
3/4
1
2
3
3/4
1
2
3
5
7-1/2

1150
1150
1150
1750
860
860
1150
1150
1750
860
860
1150
1150
1150
1150

7159
7159
7159
10990
6751
6751
8949
8949
13737
8110
8110
10845
10845
10845
10845

.48
.72
1.00
1.15
.48
.71
1.10
1.73
2.98
.70
1.17
1.68
2.85
4.87
7.06

5070
6290
6744
8100
6950
8420
9950
11920
13440
11217
14059
15300
19100
20800
24000

4600
5670
6091
7790
5720
7210
9120
11080
12980
9946
12937
14200
18020
20150
23180

MTR.		
HP	RPM

TIP
SPEED

PEAK				
BHP
.00"SP
.10"SP
.125"SP

.25"SP

2
5
5
10
3
5
7-1/2
10
15
5
7-1/2
10
5
7-1/2
10

9460
9460
12650
12650
10810
10810
10810
14456
14456
12160
12160
12160
13510
13510
13510

2.23
5.49
5.21
9.89
2.90
5.39
7.11
9.70
14.14
4.99
7.34
10.40
4.57
7.50
10.21

18281
27072
25089
30820
22930
29915
34320
38200
46099
33021
41438
46142
34348
43630
49652

860
860
1150
1150
860
860
860
1150
1150
860
860
860
860
860
860

5400
6830
7396
8320
7770
9340
10400
12500
13920
12003
15046
16050
20120
21370
24650

20051
29021
26812
32709
25900
33439
37980
40598
48820
36755
45662
50262
38745
47730
57483

14

5120
6410
6874
8140
7180
8650
10110
12080
13560
11404
14246
15500
19370
20920
24150

19391
28342
26127
32054
24701
31982
36565
39602
47700
35208
44360
48678
36993
46065
55349

19165
28013
26076
31910
24402
31624
36213
39306
47402
34824
43854
48282
36341
45663
54580

CFM

CFM

.375"SP

.50"SP

.75"SP

1.00"SP

3860
4428
4935
7450
4170
5810
8210
10190
12520
8436
11674
12850
16920
19450
22300

3050		
3341		
3779
2494
6762
5710
1870		
4090		
7200
4670
9220
6683
12040
10860
6790
3253
10208
5369
11300
7850
15600
12450
18680
16700
21400
19300

4350
7185
13960
16050

.375"SP

.50"SP

.75"SP

1.00"SP

17361
25929
24120
29907
21305
28091
32303
36904
44795
30992
38668
43934
31930
41323
44905

16292
24727
23142
28970
19419
26220
30238
35600
43297
28802
36165
41632
29515
38797
41085

13753
22156
21054
26860
13672
21545
25550
33096
40403
23650
31356
36260
24074
33103
33906

10081
15046
18354
24397

4499

3210
9597

30202
37396
24622

18585

TRIANGLE ENGINEERING
of Arkansas, Inc.

SOUND FIGHTER FANS

FHI Series WALL BOXES

Standard sizes for use with
FHI Belt-Drive and Direct Drive Fans

B

1-1/2”
FLANGE
B

INSIDE

A

INSIDE

BOX MOUNTED IN
WALL/SHUTTER
MOUNTED TO BOX

OUTSIDE

BOX MOUNTED IN
WALL/SHUTTER
MOUNTED TO OUTSIDE
OF WALL

BOX MOUNTED THROUGH
WALL/SHUTTER
MOUNTED TO OUTSIDE
OF BOX

NOTE: “A" DIMENSION WILL INCREASE 6" WHEN A BACKDRAFT DAMPER IS SPECIFIED TO BE MOUNTED INSIDE BOX.
WHEN INSTALLATION OF FAN REQUIRES A SHUTTER, A MINIMUM OF 6" SHOULD BE ALLOWED BETWEEN FAN BLADE AND SHUTTER.
CONSULT FACTORY FOR SPECIAL APPLICATIONS AND SIZES.

BOX MODEL	
S-24
		
S-30
		
S-36
		
S-42
		
		
S-48
		
S-54
		
S-60
		
S-72
		
		
		
S-84
		
		
		

MOTOR HP	A DIMENSION	
1/4 HP-2 HP
3 HP
1/2 HP-2 HP
3 HP-5 HP
1 HP-2 HP
3 HP - 7-1/2 HP
1-1/2 HP-2 HP
3 HP - 7-1/2 HP
10 HP
1-1/2 HP-5 HP
7-1/2 HP- 10 HP
2 HP-5 HP
7-1/2 HP- 10 HP
2 HP-5 HP
7-1/2 HP-10 HP
3 HP-5 HP
7-1/2 HP - 10 HP
15 HP - 20 HP
25 HP
5 HP
7-1/2 HP - 10 HP
15 HP-20 HP
25 HP

22-1/2"
28-1/2"
22-1/2"
28-1/2"
22-1/2"
28-1/2"
22-1/2"
28-1/2"
34-1/2"
28-1/2"
34-1/2"
28-1/2"
34-1/2"
28-1/2"
34-1/2"
28-1/2"
34-1/2"
40-1/2"
46-1/2"
28-1/2"
34-1/2"
40-1/2"
46"

B DIMENSION	
30-3/8"
30-3/8"
36-3/8"
36-3/8"
42-3/8"
42-3/8"
48-3/8"
48-3/8"
48-3/8"
54-3/8"
54-3/8"
60-3/8"
60-3/8"
66-3/8"
66-3/8"
78-3/8"
78-3/8"
78-3/8"
78-3/8"
90-3/8"
90-3/8"
90-3/8"
90-3/8"

19

O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.
O.D.

HOLE SIZE	
30-3/4"
30-3/4"
36-3/4"
36-3/4"
42-3/4"
42-3/4"
48-3/4"
48-3/4"
48-3/4"
54-3/4"
54-3/4"
60-3/4"
60-3/4"
66-3/4"
66-3/4"
78-3/4"
78-3/4"
78-3/4"
78-3/4"
90-3/4"
90-3/4"
90-3/4"
90-3/4"

X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

30-3/4"
30-3/4"
36-3/4"
36-3/4"
42-3/4"
42-3/4"
48-3/4"
48-3/4"
48-3/4"
54-3/4"
54-3/4"
60-3/4"
60-3/4"
66-3/4"
66-3/4"
78-3/4"
78-3/4"
78-3/4"
78-3/4"
90-3/4"
90-3/4"
90-3/4"
90-3/4"

FLANGE SIZE	GAUGE
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16



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