A P P L I C AT I O NG U I D E

AIR HANDLERBCRM

10 - 02

Application Guide / Air handler – Page 1

TABLE OF CONTENTS 1. Air Handler Features Page 2

2. Physical data Page 4

3. Available kits Page 6

4. Model nomenclature Page 8

5. Air handler blower performance Page 9

6. Water heating capacity Page 15

7. Maximum line length for heating coils using pump option Page 19

8. Size 18-36 installation configuration Page 23

9. Size 42-60 installation configuration Page 25

10. Dimensions Page 27

Unit with electric

heater option

Unit with hot water

coil option

Application Guide / Air handler – Page 2

AIR HANDLER FEATURES All models

• Suitable for use with R22 and R410a • Rifled Copper Tubing • Patented lance fin design • Ratings in conformity with ARI standard 210 • ETL Listed • Available voltage 22/1/50 Hz • High efficiency 3-speed motors • 40 VA control voltage transformer • Dynamically balanced blowers for quiet vibration free operation • Refrigerant connections are 3/8” ODF liquid and 3/4” ODF (12 – 36) or 7/8” ODF (31, 37 – 60)

suction • Dual 3/4” FPT condensate drains • Drain pans are molded of corrosion proof engineering polymer • Florator, non-bleed A/C or HP expansion valve also available as a kit for field installation (all

screw-on connections) BC 18 – 36 (Slant Coil)

• 40 different models available to properly match heat pumps and air conditioners for maximum efficiency

• Choice of left or right drain and refrigerant connections during installation. This option makes it possible to have the return air enter the left or right side in addition to the bottom

• Filter rack with filter – built into every air handler • Electric heat available factory installed or in kit form for field installation. Plug in connections

simplify installation of kits • Water heating coils available factory installed in 2 or 3 rows (with or without pump). Also

available as a kit to add to no heat models • Cabinet constructed of pre-painted heavy gauge galvanized steel to prevent corrosion. Lined

with high quality 1” mat faced insulation • Available from factory as upflow or upflow / horizontal. Field installed horizontal drain pan kit is

also available • Circuit breaker optional factory installed or as kit, 5 – 10 kW. Standard on 12,5 kW and higher. • All field installed kits come with thorough, easy to follow instructions • All air handlers are top handling (basiloid) packaged with bar coding and full description label. • Electrical connections can be made on top or right side • Fan time delay available as kit or factory installed • Easy to follow wiring diagrams on all air handlers • Easily converted to counterflow with kit • All coils are individually pressure tested at 450 PSI, then pressurized and sealed

BC 42 - 60 (A-Coil)

• 48 different models available to properly match heat pumps and air conditioners for maximum efficiency

• Choice of left or right drain connections during installation • Filter rack with filter – built into every air handler • Electric heat available factory installed or in kit form for field installation. Plug in connections

simplify installation of kits • Water heating coils available factory installed in 3 or 4 rows (with or without pump). Also

available as a kit to add to no heat models

Application Guide / Air handler – Page 3

AIR HANDLER FEATURES Additional features for all water heat models

• Easy to replace water coil. Remove one screw and slide out • Heating blower time delay standard on all models • On models without a pump there is ample room inside cabinet for mounting aquastat if

desired. This provides a clean looking installation • Separate set of contacts for interfacing with external components (i.e burner relay, pump relay

or zone valve) • Easy to follow wiring diagrams for connecting to popular zoning controls • Low water pressure drop through heating coil for excellent heating performance • Easy to adjust blower speeds for fine tuning customer comfort • Blower door safety switch • Large water connections out the top. 7/8” ODF 1 ½ - 3 ton and 1 1/8” ODF 3 ½ - 5 ton models

Application Guide / Air handler – Page 4

PHYSICAL DATA 50 Hz - BC Series 2 speed Motor “- 005”

Air Handler Size 18 24 30 36 48 60

Available voltage 220/50/1 Max. Elec. Heat available (kW) 10 12,5 17,5 20 25 25

Transformer Size and Type 40 VA, Class 2 Wheel (dia. x Width) 9 x 6 9 x 6 10 x 8 10 x 8 10 x 8 10 x 10

Motor H.P. 1/5 1/4 1/3 1/3 1/2 3/4 F. L. A @ 220V 1,7 2,0 3,7 3,7 5,0 6,4

Speed 2 2 2 2 2 2 Nominal (m3/h) 1 020 1 360 1 700 2 040 2 720 3 400

Blower Data

Nominal (cfm) 600 800 1 000 1 200 1 600 2 000 Air Filter Size 14 x 20 14 x 20 16 x 20 16 x 20 16 x 25 16 x 25

Refrigerant Conn. (IDS) Suction 3/4" 3/4" 3/4" 3/4" 7/8" 7/8" Refrigerant Conn. (IDS) Liquid 3/8" 3/8" 3/8" 3/8" 3/8" 3/8"

Florator Piston Size 0,053 0,059 0,067 0,073 0,084 0,093 Weights Approx. kg (base unit w/out heat) 55 55 65 65 105 110 Weights Approx. lbs (base unit w/out heat) 120 120 140 140 230 240 50 Hz - BC Series 3 speed Motor “- 007” Air Handler Size 18 24 30 36 48 60

Available voltage 220/50/1 Max. Elec. Heat available (kW) 10 12,5 17,5 20 25 25

Transformer Size and Type 40 VA, Class 2 Wheel (dia. x Width) 9 x 6 9 x 6 10 x 8 10 x 8 10 x 8 10 x 10

Motor H.P. 1/4 1/3 1/3 1/2 3/4 3/4 F. L. A @ 220V 1,9 2,2 2,2 2,6 4,3 4,3

Speed 3 3 3 3 3 3 Nominal (m3/h) 1 360 1 700 1 700 2 040 3 400 3 400

Blower Data

Nominal (cfm) 800 1 000 1 000 1 200 2 000 2 000 Air Filter Size 12 x 20 12 x 20 16 x 20 16 x 20 18 x 25 20 x 25

Refrigerant Conn. (IDS) Suction 3/4" 3/4" 3/4" 3/4" 7/8" 7/8" Refrigerant Conn. (IDS) Liquid 3/8" 3/8" 3/8" 3/8" 3/8" 3/8"

Florator Piston Size 0,053 0,059 0,067 0,073 0,084 0,093 Weights Approx. kg (base unit w/out heat) 55 55 65 65 105 110 Weights Approx. lbs (base unit w/out heat) 120 120 140 140 230 240

Application Guide / Air handler – Page 5

PHYSICAL DATA 60 Hz - BC Series 3 speed Motor “- 001” Air Handler Size 18 24 30 36 42 48 60

Available voltage 208-240/60/1 Max. Elec. Heat available (kW) 10 12,5 17,5 20 22,5 25 25

Transformer Size and Type 40 VA, Class 2 Wheel (dia. x Width) 9 x 6 9 x 6 10 x 8 10 x 8 10 x 8 10 x 8 10 x 10

Motor H.P. 1/5 1/4 1/3 1/3 1/2 1/2 3/4 F. L. A @ 240V 1,1 1,9 2,2 2,6 3,0 4,0 4,3

Speed 3 3 3 3 3 3 3 Nominal (m3/h) 1 020 1 360 1 700 2 040 2 380 2 720 3 400

Blower Data

Nominal (cfm) 600 800 1 000 1 200 1 400 1 600 2 000 Air Filter Size 12 x 20 12 x 20 16 x 20 16 x 20 18 x 25 18 x 25 20 x 25

Refrigerant Conn. (IDS) Suction 3/4" 3/4" 3/4" 3/4" 7/8" 7/8" 7/8" Refrigerant Conn. (IDS) Liquid 3/8" 3/8" 3/8" 3/8" 3/8" 3/8" 3/8"

Florator Piston Size 0,053 0,059 0,067 0,073 0,080 0,084 0,093 Weights Approx. kg (base unit w/out heat) 55 55 65 65 105 105 110Weights Approx. lbs (base unit w/out heat) 120 120 140 140 230 230 240

Application Guide / Air handler – Page 6

AVAILABLE KITS

Part # 18 24 30 36 42 48 60 991677-00 X X X X Horizontal Drain Pan Kit 991678-00 X X X 991679-00 X X Filter Rack 991680-00 X X 655016-00 X X 655017-00 X X 650564-00 X X

Counterflow Conversion Kit

650565-00 X 991675-01 X X X X A/C TXV R22 991675-02 X X X 991676-01 X X X X HP TXV R22 991676-02 X X X 650264-00 X X X X A/C R410a 650264-01 X X X

HP TXV R410a 655074-00 X X X X X X X 5 kW 655009-01 X X X X

655009-05 X X X X 7,5 kW 655010-04 X X 655009-06 X X X X 10 kW 655010-06 X X X 655009-08 X X X 12,5 kW 655010-08 X X X 655009-09 X X 15 kW 655010-09 X X X 655009-10 X 17,5 kW 655010-10 X X X 655009-11 X 20 kW 655010-11 X X X 655010-12 X

Electric Heat Kits Includes: Heating elements, Thermal limits, Sequencer(s), *Circuit breaker(s), and Mounting plate. *(12,5 kW above)

22,5 kW 655010-13 X X

5 KW 991641-00 X X X X X X X 7,5 kW 991642-00 X X X X X X X

Circuit breaker Kit

10 kW 991643-00 X X X X X X X

Application Guide / Air handler – Page 7

AVAILABLE KITS

Part # 18 24 30 36 42 48 60 2 row 656141-03 X X 3 row 656141-06 X X 2 row 656141-09 X X 3 row 656141-12 X X 3 row 656141-15 X X 4 row 656141-18 X X 3 row 656141-21 X

Water Heat Kit Without

Pump

4 row 656141-24 X 2 row (120 V) 656141-02 X X 2 row (240 V) 656141-01 X X 3 row (120 V) 656141-05 X X 3 row (240 V) 656141-04 X X 2 row (120 V) 656141-08 X X 2 row (240 V) 656141-07 X X 3 row (120 V) 656141-11 X X 3 row (240 V) 656141-10 X X 3 row (120 V) 656141-14 X X 3 row (240 V) 656141-13 X X 4 row (120 V) 656141-17 X X 4 row (240 V) 656141-16 X X 3 row (120 V) 656141-20 X 3 row (240 V) 656141-19 X 4 row (120 V) 656141-23 X

Water Heat Kit With Pump

4 row (240 V) 656141-22 X 120 V 991644-00 X X X X X X X Pump Kit 240 V 991645-00 X X X X X X X

Freeze Stat 991662-00 X X X X X X X

Application Guide / Air handler – Page 8

MODEL NOMENCLATURE

B C R M A1 2 24 - S 05 2 B = Family BLOWER MOTOR TYPE C = Constant speed blower V = Variable speed blower (Not currently available) REFRIGERANT AND DRAIN CONNECTIONS R = Right Hand O = No Coil AIR FLOW CONFIGURATION V = Vertical Only M = Multi-position SLAB NUMBER A1 thru Z9 00 = No cooling coil, Heating only EXPANSION DEVICE 0 = No Cooling Coil 2 = Florator 3 = Bleed TXV Valve (R22) 4 = Non Bleed A/C TXV Valve (R22) 5 = Non Bleed HP-A/C TXV Valve (R22) 6 = Non Bleed A/C TXV Valve (R410a) 9 = Non Bleed HP-A/C TXV Valve (R410a) UNIT SIZE (NOMINAL MBTUH) 18, 24, 30, 36 42, 48, 60 Slant coil A coil LINE VOLTAGE CONNECTIONS / CIRCUIT PROTECTION Amount of Heat Water 0 5 7,5 10 12,5 15 17,5 20 22,5 25 S = Stripped Wire # # # T = Terminal Block O # # B = Circuit Breaker O O O # # # # # # P = Pull Disconnect O O O # = Standard , O = Optional

VOLTAGE 1 = 240-208/1/60 Hz 2 = 240-208/1/60 Hz w/ Time Delay 3 = 120/1/60 Hz 4 = 120/1/60 Hz w/ Time Delay 5 = 220/1/50 Hz 6 = 220/1/50 Hz w/ Time Delay 7 = 220/1/50 – 3 speeds

HEAT 00 = 0 kW Elec. 05 = 5 kW Elec. 07 = 7,5 kW Elec. 10 = 10 kW Elec. 12 = 12,5 kW Elec 15 = 15 kW Elec. 17 = 17,5 kW Elec. 20 = 20 kW Elec. 22 = 22,5 kW Elec. 25 = 25 kW Elec. Note: Max. 10 kW per elec. supply circuit SIZE kW available 18 5 – 7,5 - 10 24 5 – 7,5 – 10 – 12,5 30 5 – 7,5 – 10 – 12,5 15 – 17,5 36 5 – 7,5 – 10 – 12,5 15 – 17,5 – 20 42 7,5 – 10 – 12,5 - 15 17,5 – 20 – 22,5 48 7,5 – 10 – 12,5 –15

17,5 – 20 – 22,5 - 25 60 10 – 12,5 – 15

17,5 – 20 – 22,5 - 25 2P = 2 Row hot water coil (w/ pump and valve assembly) On 18, 24, 30 & 36 models 3P = 3 Row hot water coil (w/ pump and valve assembly) On all models 4P = 4 Row hot water coil (w/ pump and valve assembly) On 42, 48 & 60 models 2N = 2 Row hot water coil (no pump) On 18, 24, 30 & 36 models 3N = 3 Row hot water coil (no pump) On all models 4N = 4 Row hot water coil (no pump) On 42, 48 & 60 models

Application Guide / Air handler – Page 9

AIR HANDLER BLOWER PERFORMANCE (m3/h vs ESP Pa) All data is given while air handler is operating with DX coil and air filter installed. Speeds marked in bold with an asterix* are the factory speed settings for both heating and cooling. Cooling speeds should not be reduced below factory setting. Different speeds can be set for heating mode. See installation instructions for changing speeds and minimum settings on electric heat. 50 Hz - BC Series 2 speed Motor “- 005”

Electric Heat Models Water Heat Models Size Speed 25 50 75 100 125

Water Coil 25 50 75 100 125 2 row 753 709 666 652 635 Low 1 056 967 847 682 569 3 row 720 680 637 624 608 2 row 1 229 1 211 1 018 981 940

18 *High 1 174 1 074 941 758 633

3 row 1 177 1 160 975 940 900 2 row 1 132 1 067 1 000 978 954 Low 1 369 1 259 1 184 1 087 826 3 row 1 084 1 022 958 937 914 2 row 1 500 1 479 1 460 1 412 1 364

24 *High 1 521 1 399 1 315 1 208 917

3 row 1 437 1 417 1 398 1 352 1 307 2 row 1 507 1 422 1 335 1 305 1 274 Low 1 548 1 349 1 332 1 132 999 3 row 1 444 1 361 1 278 1 249 1 220 2 row 1 954 1 820 1 706 1 667 1 628

30 *High 1 892 1 767 1 660 1 419 1 265

3 row 1 872 1 743 1 634 1 597 1 559 2 row 1 937 1 827 1 646 1 609 1 571 Low 1 626 1 416 1 399 1 189 1 049 3 row 1 856 1 751 1 577 1 542 1 505 2 row 2 341 2 309 2 277 2 204 2 130

36 *High 1 987 1 855 1 743 1 490 1 328

3 row 2 243 2 212 2 181 2 112 2 040 3 row 2 522 2 379 2 231 2 179 2 128 Low 2 514 2 318 2 183 2 023 1 673 4 row 2 416 2 279 2 137 2 088 2 039 3 row 2 985 2 944 2 903 2 809 2 713

48 *High 2 861 2 709 2 513 2 334 2 092

4 row 2 859 2 820 2 781 2 691 2 599 3 row 2 786 2 627 2 467 2 409 2 351 Low 3 080 2 926 2 780 2 641 2 509 4 row 2 667 2 516 2 346 2 307 2 253 3 row 3 453 3 405 3 357 3 247 3 135

60 *High 3 520 3 344 3 177 3 018 2 867

4 row 3 308 3 262 3 216 3 111 3 004

Application Guide / Air handler – Page 10

AIR HANDLER BLOWER PERFORMANCE (cfm vs inches H2O) 50 Hz - BC Series 2 speed Motor “- 005”

Electric Heat Models Water Heat Models Size Speed 0,1 0,2 0,3 0,4 0,5

Water Coil 0,1 0,2 0,3 0,4 0,5 2 row 443 417 392 384 374 Low 622 569 498 401 335 3 row 424 400 375 367 358 2 row 723 713 599 577 553

18 *High 691 632 554 446 372

3 row 693 683 574 553 530 2 row 666 628 589 576 562 Low 806 741 697 640 486 3 row 638 602 564 552 538 2 row 883 871 859 831 803

24 *High 896 824 774 711 540

3 row 846 834 823 796 769 2 row 887 837 786 768 750 Low 911 794 784 666 588 3 row 850 801 752 735 718 2 row 1 150 1 071 1 004 981 958

30 *High 1 114 1 040 977 835 744

3 row 1 102 1 026 962 940 918 2 row 1 140 1 075 969 947 925 Low 957 833 823 700 617 3 row 1 092 1 031 928 908 886 2 row 1 378 1 359 1 340 1 297 1 254

36 *High 1 169 1 092 1 026 877 782

3 row 1 320 1 302 1 287 1 243 1 201 3 row 1 484 1 400 1 313 1 283 1 253 Low 1 480 1 364 1 285 1 191 985 4 row 1 422 1 341 1 258 1 229 1 200 3 row 1 757 1 733 1 709 1 653 1 597

48 *High 1 684 1 595 1 479 1 374 1 232

4 row 1 683 1 660 1 637 1 584 1 530 3 row 1 640 1 546 1 452 1 418 1 384 Low 1 813 1 722 1 636 1 554 1 477 4 row 1 570 1 481 1 381 1 358 1 326 3 row 2 032 2 004 1 976 1 911 1 845

60 *High 2 072 1 968 1 870 1 776 1 688

4 row 1 947 1 920 1 893 1 831 1 768

Application Guide / Air handler – Page 11

AIR HANDLER BLOWER PERFORMANCE (m3/h vs ESP Pa) All data is given while air handler is operating with DX coil and air filter installed. Speeds marked in bold with an asterix* are the factory speed settings for both heating and cooling. Cooling speeds should not be reduced below factory setting. Different speeds can be set for heating mode. See installation instructions for changing speeds and minimum settings on electric heat. 50 Hz - BC Series 3 speed Motor “- 007”

Electric Heat Models Water Heat Models Size Speed 25 50 75 100 125

Water Coil 25 50 75 100 125 2 row 666 628 589 576 561 Low 1 053 960 824 713 620 3 row 638 602 564 551 538 2 row 852 803 753 736 718 *Med 1 198 1 096 960 773 645 3 row 816 769 721 705 688 2 row 883 871 859 831 803

18

High 1 274 1 147 1 019 849 671 3 row 846 834 823 796 769 2 row 887 837 786 768 750 Low 1 452 1 359 1 265 1 121 892 3 row 850 801 752 735 718 2 row 1 135 1 071 1 004 981 958 *Med 1 690 1 554 1 461 1 342 1 019 3 row 1 087 1 026 962 940 918 2 row 1 150 1 135 1 119 1 082 1 046

24

High 1 733 1 605 1 503 1 350 1 121 3 row 1 102 1 087 1 072 1 037 1 002 2 row 887 837 786 768 750 Low 1 580 1 376 1 359 1 155 1 019 3 row 850 801 752 735 718 2 row 1 135 1 071 1 004 981 958 *Med 1 665 1 554 1 427 1 248 1 113 3 row 1 087 1 026 962 940 918 2 row 1 150 1 135 1 119 1 082 1 046

30

High 1 736 1 605 1 503 1 342 1 189 3 row 1 102 1 087 1 072 1 037 1 002 2 row 1 140 1 076 969 947 925 Low 2 089 1 945 1 851 1 709 1 554 3 row 1 092 1 030 928 907 886 2 row 1 377 1 299 1 170 1 144 1 117 *Med 2 302 2 132 2 013 1 877 1 707 3 row 1 319 1 244 1 121 1 096 1 070 2 row 1 378 1 359 1 340 1 297 1 254

36

High 2 358 2 225 2 072 1 945 1 809 3 row 1 320 1 302 1 284 1 243 1 201 3 row 1 485 1 400 1 313 1 283 1 253 Low 2 565 2 364 2 227 2 064 1 707 4 row 1 422 1 341 1 258 1 229 1 200 3 row 1 793 1 691 1 586 1 549 1 513 *Med 2 789 2 573 2 387 2 200 1 987 4 row 1 718 1 620 1 519 1 484 1 449 3 row 1 757 1 733 1 709 1 653 1 597

48

High 2 358 2 599 2 421 2 217 2 013 4 row 1 683 1 660 1 637 1 584 1 530 3 row 1 640 1 546 1 452 1 418 1 384 Low 2 850 2 627 2 474 2 293 1 897 4 row 1 570 1 481 1 381 1 358 1 326 3 row 1 980 1 952 1 925 1 862 1 798 *Med 3 020 2 859 2 652 2 463 2 208 4 row 1 896 1 870 1 844 1 783 1 722 3 row 2 032 2 004 1 976 1 911 1 846

60

High 3 099 2 888 2 689 2 444 2 236 4 row 1 947 1 920 1 893 1 831 1 768

Application Guide / Air handler – Page 12

AIR HANDLER BLOWER PERFORMANCE (cfm vs inches H2O) 50 Hz - BC Series 3 speed Motor “- 007”

Electric Heat Models Water Heat Models Size Speed 0,1 0,2 0,3 0,4 0,5

Water Coil 0,1 0,2 0,3 0,4 0,5 2 row 392 370 347 339 330 Low 620 565 485 420 365 3 row 376 354 332 324 317 2 row 501 473 443 433 423 *Med 705 645 565 455 380 3 row 480 453 424 415 405 2 row 520 513 506 489 473

18

High 750 675 600 500 395 3 row 498 491 484 469 453 2 row 522 493 463 452 441 Low 855 800 745 660 525 3 row 500 471 443 433 423 2 row 668 630 591 577 564 *Med 995 915 860 790 600 3 row 640 604 566 553 540 2 row 677 668 659 637 616

24

High 1 020 945 885 795 660 3 row 649 640 631 610 590 2 row 522 493 463 452 441 Low 930 810 800 680 600 3 row 500 471 443 433 423 2 row 668 630 591 577 564 *Med 980 915 840 735 655 3 row 640 604 566 553 540 2 row 677 668 659 637 616

30

High 1 022 945 885 790 700 3 row 649 640 631 610 590 2 row 671 633 570 557 544 Low 1 230 1 145 1 090 1 006 915 3 row 643 606 546 534 521 2 row 811 765 689 673 657 *Med 1 355 1 255 1 185 1 105 1 005 3 row 776 732 660 645 630 2 row 811 800 789 763 738

36

High 1 388 1 310 1 220 1 145 1 065 3 row 777 766 756 732 707 3 row 874 824 773 755 738 Low 1 510 1 392 1 311 1 215 1 005 4 row 837 789 740 723 706 3 row 1 055 995 934 912 891 *Med 1 642 1 515 1 405 1 295 1 170 4 row 1 011 954 894 873 853 3 row 1 034 1 020 1 006 973 940

48

High 1 388 1 530 1 425 1 305 1 185 4 row 991 977 964 932 901 3 row 965 910 855 835 815 Low 1 678 1 547 1 457 1 350 1 117 4 row 924 872 813 799 780 3 row 1 165 1 149 1 133 1 096 1 058 *Med 1 778 1 683 1 561 1 450 1 300 4 row 1 116 1 101 1 085 1 049 1 014 3 row 1 196 1 180 1 163 1 125 1 087

60

High 1 824 1 700 1 583 1 439 1 317 4 row 1 146 1 130 1 114 1 078 1 041

Application Guide / Air handler – Page 13

AIR HANDLER BLOWER PERFORMANCE (m3/h vs ESP Pa) All data is given while air handler is operating with DX coil and air filter installed. Speeds marked in bold with an asterix* are the factory speed settings for both heating and cooling. Cooling speeds should not be reduced below factory setting. Different speeds can be set for heating mode. See installation instructions for changing speeds and minimum settings on electric heat. 60 Hz - BC Series 3 speed Motor “- 001”

Electric Heat Models Water Heat Models Size Speed 25 50 75 100 125

Water Coil 25 50 75 100 125 2 row 753 709 666 652 635 Low 800 754 709 693 676 3 row 720 680 637 624 608 2 row 1 160 1 096 1 026 1 004 980 *Med 1 235 1 166 1 092 1 069 1 043 3 row 1 112 1 050 983 962 939 2 row 1 229 1 211 1 018 981 940

18

High 1 308 1 290 1 273 1 232 1 189 3 row 1 177 1 160 975 940 900 2 row 1 132 1 067 1 000 978 954 Low 1 128 1 089 1 058 1 028 975 3 row 1 084 1 022 958 937 914 2 row 1 448 1 364 1 279 1 250 1 220 *Med 1 539 1 453 1 363 1 330 1 298 3 row 1 387 1 307 1 226 1 198 1 169 2 row 1 500 1 479 1 460 1 412 1 364

24

High 1 597 1 575 1 553 1 502 1 451 3 row 1 437 1 417 1 398 1 352 1 307 2 row 1 507 1 422 1 335 1 305 1 274 Low 1 604 1 512 1 420 1 388 1 356 3 row 1 444 1 361 1 278 1 249 1 220 2 row 1 928 1 820 1 706 1 667 1 628 *Med 2 051 1 935 1 815 1 774 1 733 3 row 1 847 1 743 1 634 1 597 1 559 2 row 1 954 1 928 1 901 1 839 1 777

30

High 2 080 2 052 2 023 1 957 1 891 3 row 1 872 1 847 1 821 1 762 1 702 2 row 1 937 1 827 1 646 1 609 1 571 Low 2 083 1 964 1 845 1 803 1 760 3 row 1 856 1 751 1 577 1 542 1 505 2 row 2 339 2 207 1 988 1 944 1 898 *Med 2 489 2 348 2 115 2 068 2 018 3 row 2 241 2 114 1 904 1 862 1 818 2 row 2 341 2 309 2 277 2 204 2 130

36

High 2 492 2 458 2 424 2 346 2 266 3 row 2 243 2 212 2 181 2 112 2 040 3 row 2 282 2 152 2 017 1 972 1 926 Low 2 396 2 258 2 120 2 071 2 020 4 row 2 186 2 062 1 933 1 889 1 845 3 row 2 756 2 599 2 436 2 382 2 326 *Med 2 932 2 766 2 593 2 533 2 474 4 row 2 640 2 490 2 334 2 282 2 228 3 row 2 767 2 728 2 690 2 602 2 513

42

High 2 944 2 904 2 863 2 769 2 674 4 row 2 650 2 613 2 577 2 492 2 407 3 row 2 522 2 379 2 231 2 179 2 128 Low 2 936 2 849 2 768 2 688 2 608 4 row 2 416 2 279 2 137 2 088 2 039 3 row 3 046 2 873 2 695 2 632 2 571 *Med 3 094 3 051 3 010 2 912 2 813 4 row 2 918 2 752 2 581 2 521 2 463 3 row 2 985 2 944 2 903 2 809 2 713

48

High 3 177 3 133 3 090 2 990 2 888 4 row 2 859 2 820 2 781 2 691 2 599 3 row 2 786 2 627 2 467 2 409 2 351 Low 2 965 2 795 2 625 2 564 2 503 4 row 2 667 2 516 2 346 2 307 2 253 3 row 3 363 3 317 3 270 3 163 3 054 *Med 3 579 3 530 3 480 3 366 3 250 4 row 3 222 3 177 3 133 3 030 2 926 3 row 3 453 3 405 3 357 3 247 3 135

60

High 3 675 3 624 3 573 3 456 3 337 4 row 3 308 3 262 3 216 3 111 3 004

Application Guide / Air handler – Page 14

AIR HANDLER BLOWER PERFORMANCE (cfm vs inches H2O) 60 Hz - BC Series 3 speed Motor “- 001”

Electric Heat Models Water Heat Models Size Speed 0,1 0,2 0,3 0,4 0,5

Water Coil 0,1 0,2 0,3 0,4 0,5 2 row 443 417 392 384 374 Low 471 444 417 408 398 3 row 424 400 375 367 358 2 row 683 645 604 591 577 *Med 727 686 643 629 614 3 row 654 618 579 566 553 2 row 723 713 599 577 553

18

High 770 759 749 725 700 3 row 693 683 574 553 530 2 row 666 628 589 576 561 Low 664 641 623 605 574 3 row 638 602 564 551 538 2 row 852 803 753 736 718 *Med 906 855 802 783 764 3 row 816 769 721 705 688 2 row 883 871 859 831 803

24

High 940 927 914 884 854 3 row 846 834 823 796 769 2 row 887 837 786 768 750 Low 944 890 836 817 798 3 row 850 801 752 735 718 2 row 1 135 1 071 1 004 981 958 *Med 1 207 1 139 1 068 1 044 1 020 3 row 1 087 1 026 962 940 918 2 row 1 150 1 135 1 119 1 082 1 046

30

High 1 224 1 208 1 191 1 152 1 113 3 row 1 102 1 087 1 072 1 037 1 002 2 row 1 140 1 076 969 947 925 Low 1 226 1 156 1 086 1 061 1 036 3 row 1 092 1 030 928 907 886 2 row 1 377 1 299 1 170 1 144 1 117 *Med 1 465 1 382 1 245 1 217 1 188 3 row 1 319 1 244 1 121 1 096 1 070 2 row 1 378 1 359 1 340 1 297 1 254

36

High 1 467 1 447 1 427 1 381 1 334 3 row 1 320 1 302 1 284 1 243 1 201 3 row 1 343 1 267 1 187 1 161 1 134 Low 1 410 1 329 1 248 1 219 1 189 4 row 1 287 1 214 1 137 1 112 1 086 3 row 1 622 1 530 1 434 1 402 1 369 *Med 1 726 1 628 1 526 1 491 1 456 4 row 1 554 1 466 1 374 1 343 1 312 3 row 1 628 1 605 1 584 1 531 1 479

42

High 1 733 1 709 1 685 1 630 1 574 4 row 1 560 1 538 1 517 1 467 1 417 3 row 1 485 1 400 1 313 1 283 1 253 Low 1 728 1 677 1 629 1 582 1 535 4 row 1 422 1 341 1 258 1 229 1 200 3 row 1 793 1 691 1 586 1 549 1 513 *Med 1 821 1 796 1 772 1 714 1 656 4 row 1 718 1 620 1 519 1 484 1 449 3 row 1 757 1 733 1 709 1 653 1 597

48

High 1 870 1 844 1 819 1 760 1 700 4 row 1 683 1 660 1 637 1 584 1 530 3 row 1 640 1 546 1 452 1 418 1 384 Low 1 745 1 645 1 545 1 509 1 473 4 row 1 570 1 481 1 381 1 358 1 326 3 row 1 980 1 952 1 925 1 862 1 798 *Med 2 107 2 078 2 048 1 981 1 913 4 row 1 896 1 870 1 844 1 783 1 722 3 row 2 032 2 004 1 976 1 944 1 846

60

High 2 163 2 133 2 103 2 034 1 964 4 row 1 947 1 920 1 893 1 831 1 768

Application Guide / Air handler – Page 15

WATER HEATING CAPACITY (kW) Unit Size 18 & 24

Water flow (m3/h) 0,2 0,5 0,7 Air flow (m3/h) Air flow (m3/h) Air flow (m3/h)

Water Coil Size

Ent. Water Temp.

(°C) P.D

(mmCE) 680 1020 1360 P.D

(mmCE) 680 1020 1360 P.D

(mmCE) 680 1020 1360 49 61 2,6 3,2 3,5 183 3,4 4,1 4,6 427 3,7 4,5 5,1 60 61 3,9 4,6 5,0 183 4,8 5,8 6,5 396 5,2 6,4 7,3 71 61 5,2 6,0 6,5 183 6,2 7,5 8,5 396 6,7 8,3 9,4

2 ROW

82 61 9,6 7,3 8,0 183 7,7 9,3 10,4 396 8,2 10,2 11,6 49 91 3,3 4,0 4,4 274 4,3 5,2 5,9 579 4,6 5,8 6,6 60 61 4,8 5,7 6,2 274 6,0 7,4 8,4 579 6,4 8,1 9,4 71 61 6,4 7,4 8,1 274 7,8 9,6 10,8 549 8,3 10,5 12,1

3 ROW

82 61 7,9 9,1 9,9 274 9,5 11,8 13,3 549 10,2 12,9 14,9 Unit Size 30 & 36

Water flow (m3/h) 0,5 0,7 0,9 Air flow (m3/h) Air flow (m3/h) Air flow (m3/h)

Water Coil Size

Ent. Water Temp.

(°C) P.D

(mmCE) 1360 1700 2040 P.D

(mmCE) 1360 1700 2040 P.D

(mmCE) 1360 1700 2040 49 152 5,1 5,3 5,6 305 5,7 6,0 6,4 518 6,2 6,5 7,0 60 152 7,2 7,5 8,0 305 8,1 8,5 9,1 518 8,7 9,1 9,9 71 152 9,3 9,8 10,4 305 10,6 11,1 11,9 488 11,3 11,8 12,8

2 ROW

82 122 11,5 12,0 12,8 274 13,0 13,6 14,6 488 13,9 14,6 15,7 49 213 6,2 6,7 15,9 427 7,2 7,7 8,2 732 7,5 8,3 9,0 60 183 8,8 9,5 10,0 396 10,0 10,8 11,7 701 10,6 11,7 12,7 71 183 11,5 12,3 13,0 396 12,9 14,0 15,1 671 13,7 15,1 16,4

3 ROW

82 183 14,1 15,1 16,1 396 15,8 17,3 18,6 671 16,8 18,6 20,2 Unit Size 42 & 48

Water flow (m3/h) 0,7 0,9 1,1 Air flow (m3/h) Air flow (m3/h) Air flow (m3/h)

Water Coil Size

Ent. Water Temp.

(°C) P.D

(mmCE) 2380 2550 2720 P.D

(mmCE) 2380 2550 2720 P.D

(mmCE) 2380 2550 2720 49 244 9,6 9,9 10,1 427 10,6 10,9 11,2 610 11,3 11,6 11,9 60 244 13,6 14,0 14,3 396 15,0 15,4 15,8 610 15,9 16,4 16,9 71 244 17,7 18,1 18,5 396 19,4 20,0 20,5 579 20,6 21,3 21,9

3 ROW

82 274 21,8 22,3 22,8 396 23,9 24,6 25,3 579 25,3 26,2 26,9 49 305 11,3 11,6 11,9 518 12,5 12,9 13,2 793 13,3 13,8 14,2 60 305 16,0 16,4 16,8 518 17,7 18,2 18,7 793 18,8 19,4 20,0 71 305 20,7 21,3 21,8 518 22,9 23,6 24,2 762 24,3 25,1 25,9

4 ROW

82 305 25,5 26,1 26,8 488 28,1 29,0 29,8 732 29,9 30,9 31,8 All capacities are based on 21°C entering air temperature. For entering air temperature other than 21°C, use the following capacity correction factors: (22°C x 0,982) ♣ (20°C x 1,02) ♣ (19°C x 1,04) Glycol correction factors: (10% x 0,98) ♣ (20% x 0,95) ♣ (30% x 0,92) ♣ (40% x 0,88)

Application Guide / Air handler – Page 16

WATER HEATING CAPACITY (kW) Unit Size 60

Water flow (m3/h) 0,7 0,9 1,1 Air flow (m3/h) Air flow (m3/h) Air flow (m3/h)

Water Coil Size

Ent. Water Temp.

(°C) P.D

(mmCE) 3060 3230 3400 P.D

(mmCE) 3060 3230 3400 P.D

(mmCE) 3060 3230 3400 49 366 10,9 11,1 11,3 640 12,2 12,4 12,7 976 13,1 13,4 13,6 60 366 15,5 15,7 16,0 640 17,3 17,6 17,9 976 18,5 18,9 19,3 71 366 20,1 20,4 20,7 610 22,4 22,8 23,2 945 24,0 24,5 25,0

3 ROW

82 366 24,7 25,1 25,5 610 27,5 28,1 28,6 945 29,5 30,1 30,7 49 335 12,8 13,0 13,2 579 14,4 14,7 15,0 884 15,5 15,9 16,2 60 335 18,1 18,4 18,7 579 20,3 20,7 21,1 854 21,9 22,4 22,9 71 335 23,4 23,8 24,2 549 26,3 26,8 27,4 854 28,3 29,0 29,6

4 ROW

82 335 28,8 29,3 29,7 549 32,3 33,0 33,6 823 34,7 35,6 36,3 All capacities are based on 21°C entering air temperature. For entering air temperature other than 21°C, use the following capacity correction factors: (22°C x 0,982) ♣ (20°C x 1,02) ♣ (19°C x 1,04) Glycol correction factors: (10% x 0,98) ♣ (20% x 0,95) ♣ (30% x 0,92) ♣ (40% x 0,88)

Application Guide / Air handler – Page 17

WATER HEATING CAPACITY (Btu/h) Unit Size 18 & 24

Water flow (gpm) 1 2 3

Air flow (cfm) Air flow (cfm) Air flow (cfm) Water Coil Size

Ent. Water Temp.

(°F)

H2O P.D. (ft) 400 600 800

H2O P.D. (ft) 400 600 800

H2O P.D. (ft) 400 600 800

120 0,2 9 004 10 979 11 914 0,6 11 639 13 997 15 683 1,4 12 536 15 396 17 522 140 0,2 13 209 15 600 16 942 0,6 16 452 19 823 22 240 1,3 17 683 21 757 24 793 160 0,2 17 628 20 302 22 065 0,6 21 316 25 727 28 834 1,3 22 872 28 184 32 151

2 ROW

180 0,2 32 738 25 065 27 260 0,6 26 217 31 687 35 621 1,3 28 091 34 659 39 573 120 0,3 11 286 13 771 14 944 0,9 14 528 17 826 20 160 1,9 15 582 19 636 22 659 140 0,2 16 401 19 506 21 177 0,9 20 495 25 194 28 524 1,9 21 942 27 701 32 004 160 0,2 21 792 25 320 27 500 0,9 26 511 32 641 36 991 1,8 28 343 35 833 41 442

3 ROW

180 0,2 26 908 31 193 33 891 0,9 32 564 40 145 45 532 1,8 34 771 44 014 50 947 Unit Size 30 & 36

Water flow (gpm) 2 3 4

Air flow (cfm) Air flow (cfm) Air flow (cfm) Water Coil Size

Ent. Water Temp.

(°F)

H2O P.D. (ft) 800 1 000 1 200

H2O P.D. (ft) 800 1 000 1 200

H2O P.D. (ft) 800 1 000 1 200

120 05, 17 277 18 048 19 124 1,0 19 588 20 523 21 997 1,7 20 990 22 035 23 750 140 0,5 24 529 25 619 27 164 1,0 27 747 29 072 31 155 1,7 29 682 31 163 33 616 160 0,5 31 899 33 313 35 341 1,0 36 013 37 734 40 464 1,6 38 472 40 396 43 602

2 ROW

180 0,4 39 359 41 098 43 622 0,9 44 360 46 482 49 872 1,6 47 332 49 705 53 678 120 0,7 21 309 22 783 54 179 1,4 24 501 26 156 28 137 2,4 25 648 28 187 30 578 140 0,6 30 149 32 261 34 255 1,3 33 970 36 982 39 809 2,3 36 180 39 801 43 208 160 0,6 39 095 41 866 44 472 1,3 43 988 47 928 51 621 2,2 46 799 51 526 55 970

3 ROW

180 0,6 48 121 51 564 54 794 1,3 54 077 58 963 63 537 2,2 57 481 63 331 68 827 Unit Size 42 & 48

Water flow (gpm) 3 4 5

Air flow (cfm) Air flow (cfm) Air flow (cfm) Water Coil Size

Ent. Water Temp.

(°F)

H2O P.D. (ft) 1 400 1 500 1 600

H2O P.D. (ft) 1 400 1 500 1 600

H2O P.D. (ft) 1 400 1 500 1 600

120 0,8 32 883 33 695 34 441 1,4 36 190 37 221 38 173 2,0 38 464 39 660 40 722 140 0,8 46 541 47 701 48 766 1,3 51 167 52 686 53 996 2,0 54 329 56 032 57 617 160 0,8 60 372 61 888 63 279 1,3 66 310 68 229 70 004 1,9 70 350 72 572 74 640

2 ROW

180 0,9 74 330 76 209 77 933 1,3 81 575 83 951 86 149 1,9 86 486 89 234 91 792 120 1,0 38 636 39 631 40 540 1,7 42 707 44 006 45 204 2,6 45 457 46 988 48 409 140 1,0 54 582 55 996 57 288 1,7 60 284 62 131 63 834 2,6 64 115 66 290 68 310 160 1,0 70 692 72 535 74 216 1,7 78 023 80 428 82 647 2,5 82 925 85 756 88 386

3 ROW

180 1,0 86 924 89 200 91 276 1,6 95 879 98 851 101 592 2,4 101 845 105 340 108 588 All capacities are based on 70°F entering air temperature. For entering air temperature other than 70°F, use the following capacity correction factors: (72°F x 0,982) ♣ (68°F x 1,02) ♣ (66°F x 1,04) Glycol correction factors: (10% x 0,98) ♣ (20% x 0,95) ♣ (30% x 0,92) ♣ (40% x 0,88)

Application Guide / Air handler – Page 18

WATER HEATING CAPACITY (Btu/h) Unit Size 60

Water flow (gpm) 3 4 5

Air flow (cfm) Air flow (cfm) Air flow (cfm) Water Coil Size

Ent. Water Temp.

(°F)

H2O P.D. (ft) 1 800 1 900 2 000

H2O P.D. (ft) 1 800 1 900 2 000

H2O P.D. (ft) 1 800 1 900 2 000

120 1,2 37 308 37 936 38 521 2,1 41 636 42 459 43 229 3,2 44 672 45 650 46 570 140 1,2 52 797 53 693 54 526 2,1 58 874 60 047 61 145 3,2 63 115 64 508 65 818 160 1,2 68 481 69 650 70 737 2,0 76 308 77 839 79 273 3,1 81 747 83 564 85 273

2 ROW

180 1,2 84 309 85 756 87 101 2,0 93 886 95 781 97 555 3,1 100 517 102 764 104 879

120 1,1 43 662 44 406 45 095 1,9 49 104 50 118 51 065 2,9 52 882 54 114 55 271 140 1,1 61 666 62 721 63 698 1,9 69 318 70 759 72 104 2,8 74 605 76 356 77 999 160 1,1 79 853 81 224 82 492 1,8 89 723 91 598 93 347 2,8 96 514 98 793 100 931

3 ROW

180 1,1 98 192 99 863 101 427 1,8 110 265 112 579 114 739 2,7 118 557 121 369 124 009 All capacities are based on 70°F entering air temperature. For entering air temperature other than 70°F, use the following capacity correction factors: (72°F x 0,982) ♣ (68°F x 1,02) ♣ (66°F x 1,04) Glycol correction factors: (10% x 0,98) ♣ (20% x 0,95) ♣ (30% x 0,92) ♣ (40% x 0,88)

Application Guide / Air handler – Page 19

MAXIMUM LINE LENGTH FOR HEATING COILS USING PUMP OPTION All line lengths are total for supply and return

Maximum Supply Pipe Length (m) – Type K copper Water flow (m3/h)

Air Handler

Size

Nominal Pipe

Size (ID) 0,23 0,29 0,34 0,41 0,45 0,52 0,57 0,64 0,68 0,75 0,79 0,86 0,91 0,98 1,02 1,09 1,13 1,36 1,59 1,81 1/2" 78 45 30 22 16 11 7 5 2 - - - - - - - - - - - 18 & 24

2 Row 3/4" - - - 141 110 80 60 46 36 - - - - - - - - - - - 1/2" 78 45 30 21 16 10 6 4 2 - - - - - - - - - - - 18 & 24

3 Row 3/4" - - - 138 107 77 57 43 32 - - - - - - - - - - - 1/2" - - - - 17 11 8 5 3 - - - - - - - - - - - 3/4" - - - - 113 83 63 49 39 30 23 18 13 - - - - - - -

30 & 36 2 Row

1” - - - - - - - - - 154 122 98 78 - - - - - - - 1/2" - - - - 16 11 7 4 2 - - - - - - - 3/4" - - - - 110 80 57 46 36 27 20 15 10 - - - - - - -

30 & 36 3 Row

1” - - - - - - - - - 141 109 85 66 - - - - - - - 3/4" - - - - - - - - 41 32 25 19 15 11 8 5 3 - - - 1” - - - - - - - - - 160 129 104 84 67 54 43 34 - - -

42 & 48 3 Row

1 1/4" - - - - - - - - - - - - - - 176 142 115 - - - 3/4" - - - - - - - - 38 30 23 17 13 9 6 3 1 - - - 1” - - - - - - - - - 151 121 97 78 61 48 37 27 - - -

42 & 48 4 Row

1 1/4" - - - - - - - - - - - - - - 157 123 96 - - - 3/4" - - - - - - - - 37 28 21 16 11 7 4 1 - - - - 1” - - - - - - - - - 144 113 89 70 52 39 27 18 - - -

60 3 Row

1 1/4" - - - - - - - - - - - - - - 131 97 69 - - - 3/4" - - - - - - - - 37 29 22 16 12 8 5 2 - - - - 1” - - - - - - - - - 148 116 93 74 57 44 32 23 - - -

60 4 Row

1 1/4" - - - - - - - - - - - - - - 145 112 85 - - - Notes:

1. Line lengths are based on water only. To adjust maximum line lengths for glycol, divide length by the factors shown in Table 2 2. IMPORTANT: Glycol should never be used in a potable water system 3. All lengths are based on closed loop systems

Application Guide / Air handler – Page 20

4. Line lengths within the shaded areas should not be used when a water heater is the source of heat. When using a boiler for these line lengths, excessive line temperature loss will occur and must be accounted for

5. Supply and return lines must be properly insulated to reduce temperature loss and to prevent freezing when passing through an unconditioned space

6. All lengths include (12) 90° short radius elbows. To adjust for extra or fewer fittings, use the factors in Table 1 7. Always use full flow ball or gate valves to minimize pressure drop

Table 2 Fluid temperature (°C) Table 1 Equivalent m of pipe % Glycol 60 71 82

Pipe Size 90° SR el 90° LR el 45° el Gate valve 10 1,04 1,04 1,02 1/2" 0,46 0,24 0,30 0,30 20 1,08 1,07 1,04 3/4" 0,61 0,30 0,43 0,43 30 1,13 1,11 1,08 1” 0,82 0,40 0,58 0,58 40 1,19 1,16 1,12

1 1/4" 1,10 0,55 0,76 0,76 50 1,24 1,21 1,17

Application Guide / Air handler – Page 21

MAXIMUM LINE LENGTH FOR HEATING COILS USING PUMP OPTION All line lengths are total for supply and return

Maximum Supply Pipe Length (ft) – Type K copper Water flow (gpm)

Air Handler

Size

Nominal Pipe

Size (ID) 1 1,3 1,5 1,8 2 2,3 2,5 2,8 3 3,3 3,5 3,8 4 4,3 4,5 4,8 5 6 7 8 1/2" 256 149 100 71 53 35 23 15 8 - - - - - - - - - - - 18 & 24

2 Row 3/4" - - - 464 361 263 198 152 118 - - - - - - - - - - - 1/2" 256 148 98 70 51 33 20 12 5 - - - - - - - - - - - 18 & 24

3 Row 3/4" - - - 454 351 251 186 140 105 - - - - - - - - - - - 1/2" - - - - 55 37 25 16 10 - - - - - - - - - - - 3/4" - - - - 372 273 208 162 128 99 76 58 43 - - - - - - -

30 & 36 2 Row

1” - - - - - - - - - 504 401 321 257 - - - - - - - 1/2" - - - - 53 35 23 14 8 - - - - - - - 3/4" - - - - 361 263 188 152 118 89 66 48 33 - - - - - - -

30 & 36 3 Row

1” - - - - - - - - - 461 359 280 217 - - - - - - - 3/4" - - - - - - - - 134 104 81 63 48 35 25 16 9 - - - 1” - - - - - - - - - 526 422 341 277 221 177 141 111 - - -

42 & 48 3 Row

1 1/4" - - - - - - - - - - - - - - 576 467 378 - - - 3/4" - - - - - - - - 126 97 75 57 43 30 19 11 4 - - - 1” - - - - - - - - - 497 397 319 257 200 156 120 90 - - -

42 & 48 4 Row

1 1/4" - - - - - - - - - - - - - - 514 405 315 - - - 3/4" - - - - - - - - 121 92 69 51 37 23 12 3 - - - - 1” - - - - - - - - - 473 372 293 230 172 127 90 59 - - -

60 3 Row

1 1/4" - - - - - - - - - - - - - - 430 318 228 - - - 3/4" - - - - - - - - 123 94 72 54 40 27 16 8 - - - - 1” - - - - - - - - - 485 382 306 244 187 143 106 77 - - -

60 4 Row

1 1/4" - - - - - - - - - - - - - - 476 367 278 - - - Notes:

8. Line lengths are based on water only. To adjust maximum line lengths for glycol, divide length by the factors shown in Table 2 9. IMPORTANT: Glycol should never be used in a potable water system 10. All lengths are based on closed loop systems

Application Guide / Air handler – Page 22

11. Line lengths within the shaded areas should not be used when a water heater is the source of heat. When using a boiler for these line lengths, excessive line temperature loss will occur and must be accounted for

12. Supply and return lines must be properly insulated to reduce temperature loss and to prevent freezing when passing through an unconditioned space

13. All lengths include (12) 90° short radius elbows. To adjust for extra or fewer fittings, use the factors in Table 1 14. Always use full flow ball or gate valves to minimize pressure drop

Table 2 Fluid temperature (°F) Table 1 Equivalent ft of pipe % Glycol 140 160 180

Pipe Size 90° SR el 90° LR el 45° el Gate valve 10 1,04 1,04 1,02 1/2" 1,5 0,8 1 1 20 1,08 1,07 1,04 3/4" 2 1 1,4 1,4 30 1,13 1,11 1,08 1” 2,7 1,3 1,9 1,9 40 1,19 1,16 1,12

1 1/4" 3,6 1,8 2,5 2,5 50 1,24 1,21 1,17

Application Guide / Air handler – Page 23

SIZE 18 – 36 installation configurations Shading indicates proper line connections

Upflow As shipped from factory

(return in bottom or left side)

Upflow Field converted

(return in bottom or right side)

*Counterflow Field converted with kit

(return in top)

Horizontal Right Factory ready if ordered as multi-position

Or field converted with horizontal drain pan kit * See price sheet for restriction on counterflow kits

Bottom / Filter Frame

Optional filter rack

Liq.

Suc.

Drains

Liq.

Suc.

Drains

Optional filter rack

Bottom / Filter Frame

Liq.

Suc.

Drains

Liq.

Suc. Drains

Bottom / Filter Frame

Application Guide / Air handler – Page 24

SIZE 18 – 36 installation configurations Shading indicates proper line connections

Horizontal Left Easily converted if ordered as multi-position

Or with optional horizontal drain pan kit

Liq.

Suc. Drains

Bottom / Filter Frame

Application Guide / Air handler – Page 25

SIZE 42 - 60 installation configurations Shading indicates proper line connections

Upflow As shipped from factory

(return in bottom)

*Counterflow Field converted with kit

(return in top)

Horizontal Right Factory ready if ordered as multi-position

Or field converted with horizontal drain pan kit * See price sheet for restriction on counterflow kits

Drains

Liq.

Suc.

Bottom / Filter Frame

Bottom / Filter Frame

Liq.

Suc.

Drains Drains Either set may be used

Drains Drains

Liq.

Suc.

Either set may be used

Application Guide / Air handler – Page 26

SIZE 42 - 60 installation configurations Shading indicates proper line connections

Horizontal Left Easily converted if ordered as multi-position

Or with optional horizontal drain pan kit

Bottom / Filter Frame

Drains

Suc.

Liq.

Application Guide / Air handler – Page 27

DIMENSIONS Size 18 - 36

D A B

E C

Return Duct Opening ( Dimensions in mm

Unit Size A B C D E Depth x Width 18 & 24 1 118 559 381 432 343 438 260 30 & 36 1 219 559 470 432 432 438 356

Return Duct Opening Dimensions in inches

Unit Size A B C D E Depth x Width 18 & 24 44” 22” 15” 17” 13 ½” 17 ¼” 10 ¼” 30 & 36 48” 22” 18 ½” 17” 17” 17 ¼” 14”

Filter & rack

Side View

Line voltage

24V Right hand side

Right side & top only

On cooling and electric line, voltage enters top on both sides

Front View

Liquid

Suction

Knock out for pull disconnect if used

Knock out for circuit breaker if used

Water connections

Application Guide / Air handler – Page 28

DIMENSIONS Size 42 - 60

D A B

E C

Return Duct Opening ( Dimensions in mm

Unit Size A B C D E Depth x Width 42 & 48 1 245 660 508 533 470 559 400 60 1 346 660 559 533 521 559 451

Return Duct Opening Dimensions in inches

Unit Size A B C D E Depth x Width 42 & 48 49” 26” 20” 21” 18 ½” 22” 15 ¾” 60 53” 26” 22” 21” 20 ½” 22” 17 ¾”

Filter & rack

Front View

Knock out f or pull disconnect if used

Knock out for circuit breaker if used

Water connections On cooling and electric line, voltage enters top on both sides

Side View

Line voltage

24V Right hand side

Right side & top only

Liquid

Suction

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AGU_AH_1002-E