Warm. IFR Indirect Fired Gas Heating Systems. Applied Air. Keeps You

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TGIFR IFR Indirect Fired Gas Heating Systems Technical Guide for: Outdoor Rooftop Mounted Units To 46,000 CFM And 4,000 MBH Output Applied Air Keeps You Warm

Indirect Fired Heating Systems Technical Guide In the business of industrial heating, efficient and lowcost operation is essential. Applied Air keeps you warm for less. Since 97, Applied Air has been providing costeffective, reliable heating solutions. Our proven Indirect Fired Heating Systems add warm clean air to your work environment, but without the products of combustion in the airstream. This Technical Guide will help you choose an Applied Air Indirect Fired Gas Heating System to provide efficient, costeffective heating and ventilation for your facility. The Guide covers: Technical Specifications Configure the right system components (e.g., motors, drive, filter, options, etc.) to meet your needs. Installation Information Plan details of onsite installation. If you have questions, please contact Applied Air s Customer Service Department at 468. We ll be glad to help. Applied Air Keeps You Warm In the interest of product improvement, Applied Air reserves the right to make changes without notice.

Table of Contents Engineering Data... 4 Air Delivery Tables (Heating Only Units)... 69 Dimensional Data Base Unit and Accessories... Dimensional Data Roof Curbs... Air Delivery Tables (Cooling Units)... Unit Weights... Dimensional Data Cooling Coil Section... DX Coil Data... 4 CW Coil Data... Amp Draw Table... 6 Typical Gas Piping Layout... 7 Guide Specifications... 89

Engineering Data Capacity and Internal Data SIZE & CAPACITY FIRING RATE & MANIFOLD SIZE EQUIPMENT DATA Model Size Input MBH Output MBH(A) Natural Gas @,000 B.T.U./C.F. Gas Connection @ 7 W.C. (Natural Gas) Gas Connection @ 4 W.C. (Natural Gas) Combustion Air Required (C.F.M.) Exhauster Model Exhauster H.P. Burner H.P. Recommended Min. Stack Size Dia. 0 47 00 6 687 0 0 00 0 47 00 6 687 ¾ ¾ ¾ ¾ ¾ ¾ 80 0 80 8 8 8 8 8 SIZE & CAPACITY FIRING RATE & MANFOLD SIZE EQUIPMENT DATA Model Size Input MBH Output MBH(A) Natural Gas @,000 B.T.U./C.F. Gas Connection @ 7 W.C. (Natural Gas) Gas Connection @ 4 W.C. (Natural Gas) Combustion Air Required (C.F.M.) Exhauster Model Exhauster H.P. Burner H.P. Recommended Min. Stack Size Dia. 6 7 8 0 8 97,06,,6 70 80,000, 8 97,06,,6 ¼ ¼ ¼ ½ ½ ¼ 7 0 8 ½ ½ ¾ ½ (A) Based on 80% operating efficiency. 4

Engineering Data Capacity and Internal Data SIZE & CAPACITY FIRING RATE & MANIFOLD SIZE EQUIPMENT DATA Model Size Input MBH Output MBH(A) Natural Gas @,000 B.T.U./C.F. Gas Connection @ 7 W.C. (Natural Gas) Gas Connection @ 4 W.C. (Natural Gas) Combustion Air Required (C.F.M.) Exhauster Model Exhauster H.P. Burner H.P. Recommended Min. Stack Size Dia. 7 0,87,87,00,,00,70,000,00,87,87,00, ½ ½ ½ 0 800 8 8 8 8 ¾ ½ ½ ½ ½ ½ SIZE & CAPACITY FIRING RATE & MANFOLD SIZE EQUIPMENT DATA Model Size Input MBH Output MBH(A) Natural Gas @,000 B.T.U./C.F. Gas Connection @ 7 W.C. (Natural Gas) Gas Connection @ 4 W.C. (Natural Gas) Combustion Air Required (C.F.M.) Exhauster Model Exhauster H.P. Burner H.P. Recommended Min. Stack Size Dia. 7 00 0 0,,70 4,7,000,70,000,00 4,000,,70 4,7,000 ½ ½ ½ 880 9,,00 8 ½ 4 4 4 4 (A) Based on 80% operating efficiency.

Air Delivery Table Heating Only Units Model No. Blowers ) x 9 / ) x 7/ ) x ) x 7/ ) x SCFM 00 7 7 900 00 00 700 900 40 000 00 00 0 7000 00 667 7000 700 8000 800 9000 900,000 700 900 40 000 00 00 0 7000 00 667 7000 700 8000 800 9000 900,000 ¼ / / / /4 /4 /4 / / / / / / / / ½ /4 /4 /4 /4 /4 / / / / / / / ¾ /4 /4 / / / / / / / Total External Static Pressure ("W.C.) / / / / ¼ ½ ¾ NOTES:. The horsepower selections are based on system total external static pressure. To determine total external static pressure, add system duct loss plus all applicable accessory pressure drops listed below: A. Fresh Air Inlet Hood & Birdsccreen. W.C. B. Motor Operated Inlet Damper.8 W.C. C. VBank Filter Section. W.C.. Select unit size and motor horsepower from above table. EXPLANATION OF MODEL NUMBERS: DASH MODEL NUMBERS A dash in the model number indicates the BTU range on the heat exchanger. Example: Model has a heat exchanger rating of,0000,000 BTU output. SLASH MODEL NUMBERS A slash in the model number indicates the use of a larger blower section with a smaller heat exchanger, normally used for low temperature applications. Example: Model 7/ has a 7 size blower section, which offers airflow up to,000 CFM, with a heat exchanger rating of,0000,000 BTU output. 6

Air Delivery Table Heating Only Units Model No. Blowers 0/ ) 8 x 8 67 ) x 0/67 ) 8 x 8 7/67 ) 8 x 80 ) 8 x 8 SCFM 787 87 877 9 900,000,00,000,00,000,00,000 00 667 7000 700 8000 800 9000 900,000 787 87 877 9 900,000,00,000,00,000,00,000,7,,80,0 4,000,000 6,000 7,000 8,000 9,000,000,000,000 787 87 877 9 900,000,00,000,00,000,00,000 ¼ / ½ ¾ Total External Static Pressure ("W.C.) ¼ ½ ¾ 7

Air Delivery Table Heating Only Units Model No. Blowers 7/80 ) 8 x /80 ) 8 x 8 7 ) 8 x /7 ) 8 x 8 7/7 ) x SCFM,7,,80,0 4,000,000 6,000 7,000 8,000 9,000,000,000,000 8,00 9,00,000,000,000 7,000 9,000,000,000,7,,80,0 4,000,000 6,000 7,000 8,000 9,000,000,000,000 8,00 9,00,000,000,000 7,000 9,000,000,000,000 7,000 9,000,000,000 ¼ 0 0 ½ 0 0 ¾ 0 0 Total External Static Pressure ("W.C.) 0 0 ¼ 0 0 ½ 0 0 0 0 0 ¾ 0 0 0 0 0 0 0 0 0 0 0 NOTES:. The horsepower selections are based on system total external static pressure. To determine total external static pressure, add system duct loss plus all applicable accessory pressure drops listed below: A. Fresh Air Inlet Hood & Birdsccreen. W.C. B. Motor Operated Inlet Damper.8 W.C. C. VBank Filter Section. W.C.. Select unit size and motor horsepower from above table. EXPLANATION OF MODEL NUMBERS: DASH MODEL NUMBERS A dash in the model number indicates the BTU range on the heat exchanger. Example: Model has a heat exchanger rating of,0000,000 BTU output. SLASH MODEL NUMBERS A slash in the model number indicates the use of a larger blower section with a smaller heat exchanger, normally used for low temperature applications. Example: Model 7/ has a 7 size blower section, which offers airflow up to,000 CFM, with a heat exchanger rating of,0000,000 BTU output. 8

9 Air Delivery Table 0 7/0 0/0 7 0/7 0 8,00 9,00,000,000,000 7,000 9,000,000,000,000 7,000 9,000,000,000 7,77 9, 0,80,000,000 7,000 9,000 4,000 4,000 4,000 47,000 49,000,000,000,000 7,000 9,000,000,000 7,77 9, 0,80,000,000 7,000 9,000 4,000 4,000 4,000 47,000 49,000,000,000 7,77 9, 0,80,000,000 7,000 9,000 4,000 4,000 4,000 47,000 49,000,000,000 ¼ 0 0 0 0 0 0 0 0 0 0 0 0 0 ½ 0 0 0 0 0 0 0 0 0 0 ¾ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ½ 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 7 0 0 0 0 0 7 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 7 0 0 0 0 7 ¼ 0 0 0 0 0 0 0 0 0 0 0 0 0 ¾ 0 0 0 0 0 0 0 7 0 0 0 0 0 7 0 0 0 0 7 Heating Only Units ) 8 x 8 ) x ) x ) x ) x ) x Total External Static Pressure ("W.C.) SCFM Blowers Model No.

Dimensions Models for Heating Only C000A NOTES:. *Denotes an item shipped loose for installation by others.. This unit to be assembled and tested in the shop, then split as noted for shipping. Any field assembly required for installation of this equipment is the responsibility of the installation contractor.. Mount S/A discharge air sensor (SEN) in duct a minimum of 0 from unit by others. 4. Models through 80 will have two () blowers. Models 7 through 000 will have three () blowers. Model No. A B C D E F G DIMENSIONS (INCHES) H I J K L M N P R Filters Qty. Size (Inches) 67 80 7 0 7 000 8 8 8 4 6 70 80 80 0 98 98 98 0 7 8 8 8 8 4 0 0 0 7½ 4 4 4 44 0 6 6 66 4 6 6 4 4 4 6 66 7 8 0 70 70 90 0 4 4 4 8 66 70 7 80 6¼ 6¼ 6¼ 6¼ 9 9 8 8 6 8 6 8 6 8 6 8 9 8 9 8 8 8 4 4 4 4 6 6 6 8 4 4 4 4 4 8 8 8 8 4 0 0 0 4) x x 6) x x 8) x x ) x x ) x x 4) x x 8) x x ) x x

Dimensions Roof Curb C000

Air Delivery Table Cooling Units Model No. 67 80 7 0 000 Blowers ) x 9 ) x ) x ) 8 x 8 ) 8 x ) 8 x 8 ) x SCFM 00 7 7 900 700 900 40 00 667 787 87 877 9,7,,80,0 8,00 7,77 9, 0,80 ¼ / / / /4 /4 /4 / / / ½ /4 /4 /4 /4 /4 / / / ¾ /4 /4 / / / / Total External Static Pressure ("W.C.) / / / ¼ ½ ¾ NOTES:. The horsepower selections are based on system total external static pressure. To determine total external static pressure, add system duct loss plus all applicable accessory pressure drops listed below: A. Fresh Air Inlet Hood & Birdsccreen. W.C. B. Motor Operated Inlet Damper.8 W.C. C. VBank Filter Section. W.C. D. Cooling Coil See page 4 or. Select unit size and motor horsepower from above table. EXPLANATION OF MODEL NUMBERS: DASH MODEL NUMBERS A dash in the model number indicates the BTU range on the heat exchanger. Example: Model has a heat exchanger rating of,0000,000 BTU output. SLASH MODEL NUMBERS A slash in the model number indicates the use of a larger blower section with a smaller heat exchanger, normally used for low temperature applications. Example: Model 7/ has a 7 size blower section, which offers airflow up to 667 CFM, with a heat exchanger rating of,0000,000 BTU output. Unit Weights (Approximate) C0006 Model 67 80 7 0 7 000 Blower and Heat Exchanger Section 80 40 890 70,00,800 Inlet Hood 0 7 0 0 690 Inlet Damper 8 7 4 4 4 APPROXIMATE WEIGHT (LBS.) Combination VBank Filter Mixing Box 4 47 6 70 87 4 64 VBank Filter 7 8 70 Cooling Coil Section (with 6 Row Coil) 7 8 4 69 NA 88

Dimensions Models with Cooling Coil Section C0004A NOTES:. *Denotes an item shipped loose for installation by others.. This unit to be assembled and tested in the shop, then split as noted for shipping. Any field assembly required for installation of this equipment is the responsibility of the installation contractor.. Mount S/A discharge air sensor (SEN) in duct a minimum of 0 from unit by others. 4. Models through 80 will have two () blowers. Models 7 through 000 will have three () blowers. 67 Model No. 80 7 0 000 A 8 8 8 4 70 B 80 80 0 C 98 98 98 0 D 8 8 8 8 4 0 0 E F 4 4 4 44 0 6 66 G 4 6 DIMENSIONS (INCHES) H 4 4 4 6 7 I J K L M N P R 8 0 70 70 90 4 4 4 8 66 70 80 6¼ 6¼ 6¼ 6¼ 9 9 8 6 8 6 8 6 8 6 8 9 8 9 8 8 4 4 4 4 6 6 8 4 4 4 4 8 8 8 8 4 0 0 Filters Qty. Size (Inches) 4) x x 6) x x 8) x x ) x x ) x x 4) x x ) x x

Performance Table DX Coil Data Model No. 67 80 7 0 000 Coil Face Area Sq.Ft. (FH x FL) 6.46 (0 x ) 8.96 (0 x 4 ). (0 x 6 ) 7.7 ( ½ x 6 ) 6.80 (46 ½ x 8 ) 6. (½ x ) 9.8 (0 x 4 ) SCFM,00,,7,7,900,,700,900 4,0 4,0 4,0 6,000 6,0 6,67 7,87 8,7 8,77 9,,7,,80,0 8,00 7,77 9, 0,80 Face Velocity (FPM) 6 79 99 4 449 0 4 4 6 47 4 09 444 467 49 4 4 479 07 07 466 49 8 Total MBH 6. 66.67 69. 7.69 76.7 8.4 9.8.89 8.8.86 8.99 94. 68.64 74.96 9. 68. 78.7 89.0. 44.. 7.70 7.78 86.9 898.4 9.9 80/67 EAT LAT.0/8.6./8.7.4/8.8./8.9.7/9.0 6.0/9. 9.4/7.9 9.6/8.0 9.8/8..0/8../8.4 8.6/6.9.7/8.9.9/9.0 8.4/6.7 8.6/6.9 8.9/7. 9./7. 9.8/8..0/8../8.4.4/8. 9./7.4 9.0/7. 9./7. 9./7.7 Air P.D. 0.6 0.9 0. 0.4 0.8 0.46 0. 0.6 0.9 0.4 0. 0.9 0.4 0.7 0.4 0.4 0.49 0.6 0.9 0.4 0.49 0. 0.44 0. 4 Row DX Total MBH 4.64 49.6 4.6.94 4.88 68.7 6.4 4.88.00 4.79.9.6 66.6 79.8 47. 468.7 8.8 06. 70.44 77. 7.96 78.80 66.07 87.8 649. 7.84 9/77 EAT LAT 6./.4 6./.8 6.9/6. 6./6.4 6./6. 6.9/6.6 6.4/6. 6.8/6.8 64./6. 64./6.4 64.9/6.7 6./6. 6.9/6.8 64./6. 6.9/6.0 64./6. 64.6/6.4 6.0/6.7 6.7/.8 6./6. 6./6.4 6.9/6.8 64.0/6.8 64.0/6.0 64.4/6. 64.7/6. Air P.D. 0.6 0.9 0. 0.4 0.8 0.46 0. 0.6 0.9 0.4 0. 0.9 0.4 0.7 0.4 0.4 0.49 0.6 0.9 0.4 0.49 0. 0.44 0. Model No. 67 80 7 0 000 Coil Face Area Sq.Ft. 6.46 (0 x ) 8.96 (0 x 4 ). (0 x 6 ) 7.7 ( ½ x 6 ) 6.80 (46 ½ x 8 ) 6. (½ x ) 9.8 (0 x 4 ) SCFM,00,,7,7,900,,700,900 4,0 4,0 4,0 6,000 6,0 6,67 7,87 8,7 8,77 9,,7,,80,0 8,00 7,77 9, 0,80 Face Velocity (FPM) 6 79 99 4 449 0 4 4 6 47 4 09 444 467 49 4 4 479 07 07 466 49 07 Total MBH 84.99 89.8 9.7 98.7.0.7. 9.6.69 8.7 4. 8.44 8.8 8. 88.04 00. 4.7 8.4 479. 497.7 9. 4. 69.06 84.6 9.0 76.8 80/67 EAT LAT.9/. 6.0/.4 6./. 6./.6 6./.8 6.8/6.0 4./.6 4./.8 7.8/7.0 7.9/7. 8.0/7. 6./. 6.4/.6 6.6/.8 6./.4 6./. 6./.7 6.6/.8 4./.7 4./.8 4.8/4.0.0/4..9/../4../4.7.7/4.9 Air P.D. 0.9 0.4 0. 0.7 0.69 0.0 0.4 0.9 0.6 0.7 0.9 0.6 0.70 0.6 0.6 0.67 0.7 0. 0.8 0.64 0.70 0.7 0.6 0.66 0.7 6 Row DX Total MBH 7. 8. 6.6 70.8 79.0 96.87 8.66.88 64.7 77.64 90.9 76.79 94.9.7. 9.86 7.97 8.0 84.8 867. 906. 946.4.9 989.94 7. 8.9 9/77 EAT LAT 6./.9 6.9/6..8/. 6./. 6./. 6.8/.9.4/9.6./9.4.4/9.6.7/9.8 6.0/. 6.0/. 6./.4 6./../9..6/9.8.8/9.9 6./. 7.8/7.0 8./7. 8.4/7.6 8.8/7.9 9.4/8. 8.0/7. 8./7. 8.7/7.8 Air P.D. 0.9 0.4 0. 0.7 0.69 0.0 0.4 0.9 0.6 0.7 0.9 0.6 0.70 0.6 0.6 0.67 0.7 0. 0.8 0.64 0.70 0.7 0.6 0.66 0.7 NOTES:. Coil capacity based on R4A with 4 suction temperature. All coils have /8 tubes and 8 FPI.. EAT = Entering Air Temperature (Dry Bulb F/Wet Bulb F).. LAT = Leaving Air Temperature (Dry Bulb F/Wet Bulb F). 4. Air P.D. = Air Pressure Drop in Inches of W.C. 4

Performance Table CW Coil Data Model No. 67 80 7 0 000 Coil Face Area Sq.Ft. (FH x FL) 6.46 (0 x ) 8.96 (0 x 4 ). (0 x 6 ) 7.7 ( ½ x 6 ) 6.80 (46 ½ x 8 ) 6. (½ x ) 9.8 (0 x 4 ) SCFM,00,,7,7,900,,700,900 4,0 4,0 4,0 6,000 6,0 6,67 7,87 8,7 8,77 9,,7,,80,0 8,00 7,77 9, 0,80 Face Velocity (FPM) 6 79 99 4 449 0 4 4 6 47 4 09 444 467 49 4 4 479 07 07 466 49 8 Total MBH 70.6 7. 7. 78. 8.9 87. 6.78.68 4.46 9.0.44 96.4.4 9.7.69 9.49 7.90 4.4 6.8 67. 79.86 9.07 4.0 86.8 884.04 9.89 LAT 9.0/7. 9./7.8 9./8.0 9.8/8../8.4.6/8.8 8.8/7. 9.0/7.4 9./7.6 9.6/7.9 9.9/8. 8.4/6.8 8.8/7.0 9.0/7..0/8../8../8.7.8/8.9 9./7. 9./7.7 9.6/7.9 9.9/8. 9.6/7.7 9./7.4 9.4/7.7 9.7/7.9 80/67 EAT Air P.D. 0.6 0.9 0. 0.4 0.8 0.46 0. 0.6 0.9 0.4 0. 0.9 0.4 0.7 0.4 0.4 0.49 0.6 0.9 0.4 0.49 0. 0.44 0. GPM 4.0 4.6..6 6. 7.4. 4. 4.9.8 6.6 9..6 4.9 44. 4.8 47. 49.0 7. 7. 7.9 78..7 7. 76. 8. FPD (ft).9.0.8.68.80.0.84 4.06 4.9 4.7 4.8..0.7.49.7.67.77.0.9.9. 6.9 4.44 4.70 4.97 4 Row CW Total MBH.4 46..8 6.79 6.06 7.6 8. 4.6.4 9.8 6.. 4.8.44 4.69 44. 469..6 6.7 6.8 67. 699. 987.66 8.7 6.8 666.46 LAT 6.4/.7 6.9/6. 6./6. 6.8/6.9 64./6. 6./6. 64./6. 64.6/6.6 6.0/6.9 6./6. 66.0/6.7 64.6/6. 6./6.0 6./6. 64.4/6. 64.8/6.7 6./6. 6.8/6. 64.7/6.7 6./6.0 6.6/6.4 66.0/6.7 6.4/6. 64./6.0 64./6.4 6./6.9 9/77 EAT Air P.D. 0.6 0.9 0. 0.4 0.8 0.46 0. 0.6 0.9 0.4 0. 0.9 0.4 0.7 0.4 0.4 0.49 0.6 0.9 0.4 0.49 0. 0.44 0. GPM 8.0 9. 0... 4.4 4.6 4.9 44. 4.8 47. 66. 68.4 70.6 88.0 90.7 9.7 96. 6. 0.4 4.9 9.7 97. 6.0 6.6.8 FPD (ft) 4.7.08.8.7 6.00 6.7.9 4. 4.6 4.6 4.90..44.7 4.99.7.8.88...4.76 6.8 6.7 6.97 7. Model No. 67 80 7 0 000 Coil Face Area Sq.Ft. 6.46 (0 x ) 8.96 (0 x 4 ). (0 x 6 ) 7.7 ( ½ x 6 ) 6.80 (46 ½ x 8 ) 6. (½ x ) 9.8 (0 x 4 ) SCFM,00,,7,7,900,,700,900 4,0 4,0 4,0 6,000 6,0 6,67 7,87 8,7 8,77 9,,7,,80,0 8,00 7,77 9, 0,80 Face Velocity (FPM) 6 79 99 4 449 0 4 4 6 47 4 09 444 467 49 4 4 479 07 07 466 49 8 Total MBH 9.66 99.94.6 7.98.7.4 4..6.8 6. 67.9 44.90 4.69 6. 4.. 49.9 6.6 498.6 7. 7.7 9.0 746.4.9 86..8 LAT 4./.6 4./.9 4.7/4..0/4../4.6.9/../4..4/4.7.6/4.9.9/. 6./. 4.6/.9 4.9/4../4.4 4.4/.8 4.7/4.0.0/4../4..7/.0.9/. 4./. 4./.8 4.8/4. 4.4/.7 6.0/. 6./. 80/67 EAT Air P.D. 0.9 0.4 0. 0.7 0.69 0.0 0.4 0.9 0.6 0.7 0.9 0.6 0.70 0.6 0.6 0.67 0.7 0. 0.8 0.64 0.70 0.7 0.6 0.66 0.7 6 Row CW 9/77 EAT GPM FPD (ft) Total MBH LAT Air P.D. GPM FPD (ft) 9..6 79.47./4.9 0.9.8 9.8.0. 88.46 6.0/. 0.4 7.6.7.7.7 9.80 6./.7 9..4.6 4.0.99 6.8/6. 0..7.0. 4.. 7./6. 0.7 4.6. 4. 4.9.6 8./7. 0.69 46..8 9.0.76 6. 8./7.6 0.0..80 0..94 70.7 8.8/8.0 0.4.9 4.0.. 80. 9./8. 0.9 6.0 4.0.4. 9.7 9.6/8.7 0.6 8.4 4.64..6 0.84.0/9. 0.7.7 4.96.9 8.9 4.4 7.4/6.6 0.9 87.9.6 0.9 8.77.98 7.8/7.0 0.6 9.7.0.6 9. 47.6 8./7.4 0.70 94.9.77 64.7 7.9 8.04 7./6.4 0.6 6..76 67.0 8.4 4.64 7./6.7 0.6.7. 69.8 9.0 69.79 8.0/7. 0.67.8.6 7. 9.6 6.44 8.4/7. 0.7 0..9 99.6.6 846.8 7.4/6.7 0. 69. 6.8. 6.7 878.6 7.8/7.0 0.8 7.4 7.9 7. 7.4 94.4 8./7.4 0.64 8. 7.8.6 8.64 94.9 8.9/8.0 0.70 88.0 8.4 49.0.06.7 8./7. 0.7 6.7 4.9 9.4 9.98 04.4 7.8/7.0 0.6 0. 7. 6.9. 77.64 8./7.4 0.66 44.9 8.04 4..7.67 8.7/7.8 0.7. 8.9 NOTES:. Coil capacity based on 4 F Entering Water Temperature and F Leaving Water temperature. All coils have /8 tubes and 8 FPI.. EAT = Entering Air Temperature (Dry Bulb F/Wet Bulb F).. LAT = Leaving Air Temperature (Dry Bulb F/Wet Bulb F). 4. Air P.D. = Air Pressure Drop in Inches of W.C.

Electrical Data Amp Draw Table Item A Item B SOURCE AMPS () Blower Motor Burner Motor (4) Induced Draft Fan Motor Amp Draw for Burner Motor, Induced Draft Motor, and Control Transformer Burner Motor (4) Induced Draft Fan Motor Amp Draw for Burner Motor, Induced Draft Motor, and Control Transformer Burner Motor (4) Induced Draft Fan Motor Amp Draw for Burner Motor, Induced Draft Motor, and Control Transformer 8V PH 0V PH 4V PH 7V PH SOURCE AMPS () Blower Motor 8V PH 0V PH 4V PH 7V PH SOURCE AMPS () 8V PH 0V PH 4V PH 7V PH SOURCE AMPS () 8V PH 0V PH 4V PH 7V PH SOURCE AMPS () 8V PH 0V PH 4V PH 7V PH /.4.. 0.9 46. 4.0.0 7.0 /4 / 7. 6...6 7 / / 9.6 8.7 4.. 0 /4.4. 6. 4.9 /4...6. 9.4 4.0 7.0.0 /4 / 7. 6...6 8 / / 9.6 8.7 4.. /.7..7 9.4 4.6 4...7 74.8 68.0 4.0 7.0 MOTOR HORSEPOWER / 6.6 7. 6.0 6.8.0.4.4.7 MOTOR HORSEPOWER 0 88.0 80.0.0.0 NA 4.0 4.0.6 9.6 4.8.9 BURNER SIZE /4 / 7. 6. 0 /4 / 7. 6....6.6 BURNER SIZE 0 / / / 9.6. 8.7. 4..6. 4.4 BURNER SIZE 7 00 / /.7.7...7.7 9.4 9.4 0 NA 0 6.0.0 6.7. 7.6 6. /4 / 7. 6...6 /...6 4.4 0 9.7 7...9 4..0.0 9.0 NA 4 77.0 6.0 6 / / 9.6 8.7 4.. 0.8 8.8 4.4. 7 NA NA 96.0 77.0 7 /...6 4.4 0 9.7 7...9 NOTES: ) NA = Not Available ) Motor amps are based on edition of NEC. ) Control circuit amps are based on standard controls. 4) Standard PowerFlame gas burner. Steps to Size Optional Disconnect Switch:. Find Blower Motor from tables on pages 6 9 or page.. Find amp draw for Blower Motor from chart in Item A above.. Determine proper burner size required. 4. Find amps for Burner Motor, Induced Draft Motor, and Control Transformer from chart in Item B above.. Add amps from steps and 4, then multipy by.. 6

Gas Piping Layout Schematic Component Diagrams C0008 COMPONENT IDENTIFICATION GP0 MAIN GAS PRESSURE REGULATOR GP09 PILOT GAS PRESSURE REGULATOR GP MAIN GAS SHUTOFF VALVE (SHIPPED LOOSE) GP PILOT GAS SHUTOFF VALVE GP8 AUXILIARY GAS SHUTOFF VALVE GP7 ORIFICED NEEDLE VALVE GP9 BUTTERFLY VALVE (MODULATING BURNERS ONLY) MT BUTTERFLY VALVE OPERATOR (MODULATING BURNERS ONLY) PS0 DRAFT PROVING SWITCH PS0 BURNER AIR FLOW SWITCH PS04 LOW GAS PRESSURE SWITCH PS07 HIGH GAS PRESSURE SWITCH VG0 PILOT GAS VALVE VG0 MAIN GAS VALVE VG0 AUXILIARY GAS VALVE VG04 N/O VENT VALVE NOTES:. Vent limiting devices provided wherever possible, when venting is required * the venting to outside is by others on indoor units and furnished by factory on outdoor units.. All models require 7 W.C. minimum inlet pressure. Contact factory for inlet pressures below this minimum.. Standard manifold meets FM requirements for units less than or equal to 00 MBH output for ETL listed units. 4. Standard manifold meets IRI requirements for ETL listed units. 7

Guide Specifications Base Bid Applied Air Model IFR indirect fired heating and makeup air unit(s) designed for rooftop outdoor application. The unit shall be factory fabricated, assembled, wired and tested prior to shipment in accordance with the specification and equipment schedule. The unit will include all components herein and as shown on the drawings. Alternate equipment, equal in design, construction, performance and capacity to unit(s) specified, must be shown with price deduct/add, if any. Approval of alternate equipment will be subject to review of shop drawings. The unit shall be capable of delivering SCFM at ESP using a horsepower (ODP) (TEFC) motor operating on (8)(0)(4)//. The unit shall be ETL listed. CASING The unit casing is to be panel construction from heavy gauge galvanized steel, suitably reinforced to ensure rigidity. All panels shall be factory sealed with caulking between mating panels. The casing enclosing the heat exchanger shall be of double wall construction with a galvanized steel inner wall serving as a radiation shield. Radiation and transmission losses shall not exceed ½ % of the rated output. This section shall be insulated with, ½ lb. density insulation. The unit shall have a weatherproof enclosure which is the full height of the unit. The enclosure will be complete with hinged access doors, fasteners and handles. When split for shipping, the units splits will be framed with heavy structural angle to form flanges with drilled notch holes at maximum spacing. Factory provided ½ thick gaskets for all flanges at all shipping splits. Will be shipped loose for field assembly. Hinged access doors with cadmium plated piano type hinges shall be supplied to allow physical entry to all sections requiring inspections and periodic maintenance. Access doors shall be complete with thick insulation, interior metal liner, fasteners, and handles. The unit shall have an integral milled channel base complete with lifting lugs. BLOWER SECTION Each unit shall be supplied with multiple centrifugal forward curve, DWDI blowers rated in accordance with AMCA standards. The blowers are to be mounted on a heavy duty, turned and ground and polished solid steel shaft designed for a maximum operating speed not to exceed 7% of its first critical speed. The bearings are to be of the heavyduty industrial prelubricated, self aligning type. Drives shall have a capacity % greater than the motor horsepower. The motor sheave shall be of the adjustable pitch type for motors up to 7½ H.P. The fan motor shall be mounted on an adjustable base and wired in flexible conduit to the control panel in the factory. The fan wheel, shaft, drives, and motor assembly shall be vibration balanced as a complete assembly in the factory. INDIRECT FIRED SECTION The entire primary heat transfer surface and header shall be of 0 series stainless steel; the secondary heat transfer surface shall be (mild steel) (0 series stainless steel). The heat exchanger design shall permit unrestricted lateral and peripheral expansion during the heating and cooling cycle. The flue gas travel shall be of fourpass design, with no internal baffles. The surface temperature of the heat exchanger shall not exceed 7% of its scaling temperature when operating at rated capacity. The heat exchanger shall be rated at a minimum of 80% efficiency at rated output. A pressure relief door complete with an observation window to view the complete flame and pilot shall be provided. DIRECT DRIVE INDUCED DRAFT FAN An integrally mounted, heavy duty, nonclogging radial blade induced draft fan complete with direct drive motor shall be provided. The induced draft fan shall be adequately sized to insure proper draft conditions when operating at rated capacity and equipped with a T vent and manual damper complete with locking quadrant to ensure proper draft and extended heat exchanger performance. 8

BURNER The gas burner shall be of the power type, complete with integral combustion air blower and motor, combustion air proving switch, and removable pilot assembly. The combustion air damper shall be interlocked with the gas control valve to insure a proper gas/air mixture throughout the complete range of operation. Burner and controls shall be capable of delivering MBH output firing on (natural gas) (propane) at an inlet pressure of (inches water column) (PSIG) and in accordance with (manufacturer s standar) (FM) (IRI) requirements. Burner and controls shall be arranged for (High/Low/Off) (Full Modulation with low fire start and up to a : turndown ratio). The factory wired and piped valve train shall be mounted inside the unit weatherproof enclosure and be complete with: low pressure appliance regulator motorized gas control valve main manual test firing shutoff valve pilot manual shutoff valve pilot pressure regualtor pilot automatic shutoff valve pilot manual test firing shutoff valve ELECTRICAL CONTROLS A NEMA control panel complete with hinged access door shall be mounted inside the weatherproof enclosure. All control components are to be labeled and individually wired to a numbered terminal strip to aid in servicing. All wiring shall be color coded and number tagged at each end to match the control diagram supplied. Full operating and maintenance instructions shall accompany each unit. All wiring between the controls and valves shall be run in flexible conduit. All electrical components shall bear the U.L. label. The control system shall include but not be limited to the following components required for automatic operation: control circuit transformer fan motor starters, overloads and subcircuit fuses control circuit fuses control relays electronic flame relay complete with alarm contacts induced draft fan air proving differential switch high limit switch automatic/manual fan switch heavy duty ignition transformer OPTIONAL EQUIPMENT & CONTROLS. Motorized inlet air shutoff damper with a 6 guage galvanized steel frame. Blades shall be rolled formed, triple Vgroove 6 gauge galvanized steel, maximum 6 wide. Axles shall be ½ plated steel. The damper and damper motor shall be mounted inside the unit casing.. VBank filter section with nominal thick (throwaway) (pleated) (cleanable) filters.. Combination filter/mixing section with nominal thick (throwaway) (pleated) (cleanable) filters and motorized mixing dampers with a 6 gauge galvanized steel frame. Blades shall be rolled formed, triple Vgroove 6 guage galvanized steel, maximum 6 wide. Axles shall be ½ plated steel. The damper and damper motor shall be mounted inside the unit casing. 4. Cooling coil section complete with (Chilled Water) (DX) coil(s) with copper tubes, aluminum fins and galvanized steel casing. Headers to be nonferrous with vents, drains and suitable for 0 psi working pressure. Maximum air velocity across the face of the coil shall not exceed fpm. Cooling coil section shall have insulated casing and be a minimum of 6 deep in direction of airflow and located downstream of the filters and upstream of the fan section. Coils to slide into unit through a removable end panel. Provide 04 stainless steel drain pan under the cooling coil and downstream of the coil to collect all condensation. Provide a minimum of two drain pans where cooling coils are stacked complete with drain pipe between pans.. Inlet hood and birdscreen. 6. Perimeter roof curb. 7. Insulated (blower section) (filter section) (filter/mixing section). 8. Extended lube lines. 9. Internal blower/motor isolation.. Mild weather shutdown.. Clogged filter switch and indicating light.. Disconnect switch.. Painted galvanized casing. 4. High gas pressure regulator (shipped loose for inlet pressures over ½ PSIG).. Circuit analyzer. 6. Remote control panel. 7. Night set back thermostat. 8. 7 day time clock. 9

Efficient Indirect Fired Heating Systems Choose Applied Air Indirect Gas Fired Systems Heat large spaces or warehouses without products of combustion in the supply air Mount units outdoors on the roof Low operating and maintenance costs Simple, inexpensive installation Applied Air, a leader in research, engineering, and customer service since 97 Applied Air www.appliedair.com 0 Transport Drive Dallas TX 747 Telephone 4.68.

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