ModelOutput (MBH) Input (MBH) CFM 30° CFM 90°

Min Max Min Max Min Max Min Max

750 247 740 308 925 8000 22500 5000 7500

1250 413 1240 517 1550 12000 29000 7000 13000

1500 500 1500 625 1875 16000 46000 11000 15500

2000 667 2000 833 2500 21000 48000 14000 21000

2500 800 2400 1000 3000 25000 58000 19000 25000

3000 1000 3000 1250 3750 31000 54000 23000 31000

4000 1333 4000 1667 5000 42000 60000 28000 41000

5800 1169 5845 1461 7128 41000 60000 41000 60000

2

Model Standard Fan

Single PlenumFan

Double Plenum Fan

AHeight (in)

BWidth (in)

DStandard

Fan Length

DPlenum

Fan LengthD1

TransitionE

HEX Length

FCoil Section

Length

GFilter Section

Length

HMix Box Length

JIH

Length

KIH

Width

LStandard

LPlenum

MxM1Standard

MxM1Plenum

NStandard

NPlenum P

Exhaust Diameter

QEnclosure

DepthRxR1

RA SizeS

Minimum Leg Height(Vertical Unit Only)Discharge Location Fan Discharge Opening Discharge Location

IDFD-750920-18C

ANPA 18 52 72 65.88 50 40 64 64 69 109 54 7223.63

22.1324

24.75x22.7520x24

14.2516 10 30 40x48 36

922C 27.25x27.25 15.25

IDFD-1250

920-18C ANPA 20

ANPA 22

ANPA 25

57 78 72.00 55 40 76 76 69 113 53 75

26.63

25.13

23.38

15

15

15

24.75x22.75 30x48 14.25

16 10 30 44x54 36922C 27.25x27.25 30x48 15.25

925C 31.25x31.25 30x48 16.5

IDFD-1500

920-18C

ANPA 25

ANPA 28

ANPA 32

69 110 86.63 64 58 70 70 69 110 76 100

46.63

41.38

39.38

36.63

33.53

25

25

25

24.75x22.75 14.25

16 12 30 41x96 48

922C 27.25x27.25 48x60 15.25

925C 31.25x31.25 48x60 16.5

930C 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-2000

922CANPA 25

ANPA 28

ANPA 32

ANPA 20

ANPA 22

ANPA 25

69 120 87.25 64 63 86 86 69 117 71 120

46.3844.3841.6338.53

303030

27.25x27.2548x6048x6048x60

15.25

16 12 30 48x96 48925C 31.25x31.25 16.5

930C 36.75x36.75 19.75

936C 42.94x42.94 17.81

IDFD-2500

922C

ANPA 28

ANPA 32

ANPA 22

ANPA 2569 120 87.25 64 66 90 90 69 117 71 120

46.38

44.38

41.63

38.53

30

30

27.25x27.25 15.25

16 14 32 48x96 60925C 31.25x31.25 48x60 16.5

930C 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-3000

925C

69 120 87.25 64 60 122 122 69 117 71 120

44.38

41.63

38.53

30

31.25x31.25 16.5

16 14 32 48x96 60930C ANPA 32 ANPA 25 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-4000930C936C

ANPA 25ANPA 28ANPA 32

69 160 87.25 100 44 122 122 69 122 76 15061.6358.53

505050

36.75x36.7542.94x42.75

96x6096x6096x60

19.7517.81

16 14 32 44x116 60

IDFD-5800930C ANPA 28

ANPA 3269 160 87.25 100 44 86 86 69 122 76 150

61.6358.53

5050

36.75x36.75 96x60 19.7516 14 38 44x116 60

936C 42.94x42.94 96x60 17.81

HORI

ZONT

AL &

VER

TICA

L UNI

T DIM

ENSI

ONS

A

N(TYP)

M(TYP)

PACCESSDOOR

HIGHVOLT

PANEL

FAN HEAT EXCHANGERINLET SECTION

(Filters Optional)COIL SECTION

MIXBOX SECTION(Filters Optional)

INLET HOOD

B

D E F GH J

K

Q

RR1M1

13"

M

M(TYP)

N

M(TYP)

NOTE: See page 3 for horizontal plenum fan section dimensions.

3

Model Standard Fan

Single PlenumFan

Double Plenum Fan

AHeight (in)

BWidth (in)

DStandard

Fan Length

DPlenum

Fan LengthD1

TransitionE

HEX Length

FCoil Section

Length

GFilter Section

Length

HMix Box Length

JIH

Length

KIH

Width

LStandard

LPlenum

MxM1Standard

MxM1Plenum

NStandard

NPlenum P

Exhaust Diameter

QEnclosure

DepthRxR1

RA SizeS

Minimum Leg Height(Vertical Unit Only)Discharge Location Fan Discharge Opening Discharge Location

IDFD-750920-18C

ANPA 18 52 72 65.88 50 40 64 64 69 109 54 7223.63

22.1324

24.75x22.7520x24

14.2516 10 30 40x48 36

922C 27.25x27.25 15.25

IDFD-1250

920-18C ANPA 20

ANPA 22

ANPA 25

57 78 72.00 55 40 76 76 69 113 53 75

26.63

25.13

23.38

15

15

15

24.75x22.75 30x48 14.25

16 10 30 44x54 36922C 27.25x27.25 30x48 15.25

925C 31.25x31.25 30x48 16.5

IDFD-1500

920-18C

ANPA 25

ANPA 28

ANPA 32

69 110 86.63 64 58 70 70 69 110 76 100

46.63

41.38

39.38

36.63

33.53

25

25

25

24.75x22.75 14.25

16 12 30 41x96 48

922C 27.25x27.25 48x60 15.25

925C 31.25x31.25 48x60 16.5

930C 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-2000

922CANPA 25

ANPA 28

ANPA 32

ANPA 20

ANPA 22

ANPA 25

69 120 87.25 64 63 86 86 69 117 71 120

46.3844.3841.6338.53

303030

27.25x27.2548x6048x6048x60

15.25

16 12 30 48x96 48925C 31.25x31.25 16.5

930C 36.75x36.75 19.75

936C 42.94x42.94 17.81

IDFD-2500

922C

ANPA 28

ANPA 32

ANPA 22

ANPA 2569 120 87.25 64 66 90 90 69 117 71 120

46.38

44.38

41.63

38.53

30

30

27.25x27.25 15.25

16 14 32 48x96 60925C 31.25x31.25 48x60 16.5

930C 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-3000

925C

69 120 87.25 64 60 122 122 69 117 71 120

44.38

41.63

38.53

30

31.25x31.25 16.5

16 14 32 48x96 60930C ANPA 32 ANPA 25 36.75x36.75 48x60 19.75

936C 42.94x42.94 17.81

IDFD-4000930C936C

ANPA 25ANPA 28ANPA 32

69 160 87.25 100 44 122 122 69 122 76 15061.6358.53

505050

36.75x36.7542.94x42.75

96x6096x6096x60

19.7517.81

16 14 32 44x116 60

IDFD-5800930C ANPA 28

ANPA 3269 160 87.25 100 44 86 86 69 122 76 150

61.6358.53

5050

36.75x36.75 96x60 19.7516 14 38 44x116 60

936C 42.94x42.94 96x60 17.81

M

P

AN

N

D

B

E

G

HR1

R

M1

Q

T (MIN)

13.000

HIGHVOLTPANEL

ACCESSDOOR

FAN

HEAT EXCHANGER

MIXBOX SECTION(Filters Optional)

INLET SECTION(Filters Optional)

M(TYP)

M

NOTE: See image on the right for vertical plenum fan section dimensions. PLENUM FAN SECTION

B

D

M1

16

L

M

D1

FIELD JOINT

FAN TRANSITION

FIELD JOINT

B

D

M1

16

L

M

D1

FIELD JOINTFAN

TRANSITION

FIELD JOINT

HORI

ZONT

AL S

ECTI

ONVE

RTIC

AL S

ECTI

ON

4

Dimensions Weight

Fan Size A B C lbs kg

920-18 25.0 31.0 22.1 96 43

922 27.5 44.1 26.4 123 55

925 31.5 47.1 25.9 154 69

930 37.0 61.8 30.8 195 88

936 43.0 69.3 31.3 226 102

DimensionsWeight

Fan Size A B C D E 920-18 24.8 44.5 41.0 22.8 2.0 80

922 27.3 70.7 62.6 27.3 2.0 120

925 31.3 70.4 60.3 31.3 2.0 150

930 36.8 101.3 84.4 36.3 2.0 180

936 42.9 107.6 86.8 42.7 2.0 240

DimensionsWeight

Fan Size ALength

BDischarge Size

CDepth

920-18 24.8 22.8 30.8 119

922 27.3 27.3 33.3 132

925 31.3 31.3 37.3 151

930 36.8 36.3 42.8 176

936 42.9 42.7 48.9 208

DISCHARGEON

E W

AYTH

REE

WAY

FOUR

WAY

2” (TYP)

A

B

C

A

• Discharge head must be field supported by others.• Discharge head has manually adjustable horizontal blades.• Vertical blades optional

IMPORTANT NOTES:

A

A

2.0(TYP)

C

B

B

C

2” (TYP)

2” (TYP)

12” (TYP)

AA

5

DISCHARGE PLATEDimensions

Fan Size A B C(min)

C(max)

920-18 37.0 35.1 18.0 27.0

922 39.8 39.6 18.0 27.0

925 43.3 43.6 25.0 38.0

930 48.7 48.7 30.0 45.0

936 55.0 55.0 36.0 54.0

1/2" x 13 Threaded rod and nuts(Provided by Others)

Nuts and Washers(Provided by Others)

ROOF CURB

Dimensions

Model WidthA

Forward Curve

D

PlenumD

PlenumOnlyD1

Heat Exchanger

E

CoilF

Inlet Section

G

MixboxH

750 67.5 61.4 45.5 40.0 64.0 64.0 69.0 109.0

1250 73.5 67.5 50.5 40.0 76.0 76.0 69.0 113.0

1500 105.5 82.1 59.5 58.0 70.0 70.0 69.0 110.0

2000 115.5 82.8 59.5 63.0 86.0 86.0 69.0 117.0

2500 115.5 82.8 59.5 66.0 90.0 90.0 69.0 117.0

3000 115.5 82.8 59.5 60.0 122.0 122.0 69.0 117.0

4000 155.5 82.8 95.5 44.0 122.0 122.0 69.0 113.0

5800 155.5 82.8 95.5 44.0 86.0 86.0 69.0 113.0A D

D1

E

G or H

19

1.53.0

F

HEATEXCHANGER

COIL

INLET SECTIONOR MIXBOX

TRANSITION

FAN

SPLIT ONLY ON4000 AND 5800MODELS

6

AB

C

LEGS

IMPORTANT NOTES:• All dimensions are in inches.• All weights are in pounds.

SERV

ICE

PLAT

FORM

SDimensions

WeightModel A

Platform ChannelB

Platform DepthC

Rail Height

750 72 74 42 445

1250 78 74 42 470

1500 110 74 42 540

2000 120 74 42 540

2500 120 74 42 540

3000 120 74 42 540

4000 160 74 42 565

5800 160 80 42 585

ModelHorizontal Upright

W/ Inlet Sectionor Mixbox

W/ CoilSection

All Configurations

Minimum Leg Height

750

Four Corner & Four Intermediate Legs

Four Corner & SixIntermediate Legs Four Corner Legs

36"

1250 36"

1500 48"

2000 48"

2500 60"

3000 60"

4000 60"

5800 60"

Leg HeightWeight (Each Leg)

Corner Intermediate

36 43 92

48 52 108

60 75 156

72 88 182

84 100 206

96 144 294

Bolt Two Corner Legs Together To Make An

Intermediate

Bottom Plate Bolts ToOutside Of Leg

Intermediate LegCorner Leg

NOTE:

7

DimensionsWeight

Model A B C D E F

920-18 30.0 27 1.5 26.1 27 8.0 131

922 42.0 39 1.5 30.6 39 8.0 214

925 44.0 41 1.5 34.6 41 8.0 254

930 55.0 52 1.5 39.8 52 8.0 365

936 64.0 61 1.5 64.0 61 8.0 683

DISCHARGE DAMPER

Model Size Quantity

750 24x24 9

1250 25x25 12

1500 25x25 16

2000 24x24 20

2500 24x24 20

3000 24x24 20

4000 25x25 24

5800 25x25 24FILT

ERS

FOR

INLE

T HOO

DC

E

C

D

ABC C F

OA

• Filter Sections, Filtered Mix Boxes use the same quantity and size.IMPORTANT NOTES:

FILTERS FOR FILTER SECTIONS

Filters

Model Size Quantity

750 20x60 6

1250 20x60 81500 20x100 82000 20x120 8

2500 20x120 8

3000 20x120 8

4000 20x140 85800 20x140 8

Printed in U.S.A. WRIDFDDSGNA 0418 Rev B

This product is not for residential use.This document is intended to assist licensed professionals in the exercise of their professional judgment.

© 2018 Specified Air SoulutionsAll rights reserved. No part of this work covered by the copyrights herein may be reproduced or copied in any form or by any means – graphic, electronic, or mechanical, including photocopying, recording, taping, or information storage and retrieval systems – without written permission of Specified Air Solutions.

Weather-Rite1100 Seven Mile Road NWComstock Park, MI 49321Telephone: +1.612.338.1401Fax: +1.616.784.0435www.weather-rite.com

*5800 Cabinet Size Not ETL Listed. Consult Factory for Details.GAS HEATING ONLY