0659373-80 Version B INSTALLATION …

1 0659373 -80 Version B. INSTALLATION INSTRUCTIONS. BCE3M & BCS3M SERIES AIR HANDLER. These instructions must be read and understood completely before attempting INSTALLATION . This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. WARNING TABLE OF CONTENTS. Improper INSTALLATION , adjustment, alteration, service Shipping and Packing Unit or maintenance can cause property damage, personal injury or loss of life. INSTALLATION and service must INSTALLATION be performed by a licensed professional installer (or INSTALLATION ..4. equivalent), service agency or the gas supplier. Condensate Duct Systems and Connecting Refrigerant Sealing the Electrical CAUTION Airflow - Cooling Blower Check - Out The Clean Air Act of 1990 bans the intentional venting of Operation 13.

2 Refrigerant (CFCs, HCFCs and HFCs) as of July 1, 1992. Cabinet Approved methods of recovery, recycling or reclaiming Warranty 17. must be followed. Fines and/or incarceration may be levied for noncompliance. Shipping and Packing List WARNING. Package 1 of 1 contains the following: Product contains fiberglass wool. 1 - Assembled air handler unit for upflow or horizontal air Disturbing the insulation in this product during discharge application (includes upflow and horizontal INSTALLATION , maintenance, or repair will expose you to drain pans and pre-installed air filter). fiberglass wool. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of California to Check equipment for shipping damage. If found, immediately cause cancer.) report damage to the last carrier.

3 Check the unit rating plate Fiberglass wool may also cause respiratory, skin, and to confirm that delivered unit matches order. eye irritation. To reduce exposure to this substance or for further information, consult material safety data sheets Manufactured By available from address shown below, or contact your Advanced Distributor Products supervisor. A Lennox International, Inc. Company 1995 Air Industrial Park Road Grenada, MS 38901. NOTE: These instructions are intended as a general guide and do not supersede national, state or local codes in any way. *P507120-01*. These instructions must be left with the property owner. (P) 507120-01. 507120-01 Issue 1324 Page 1 of 18. GENERAL ton, 96W38 for the 2 and ton, 97W95 for the 3 ton, and 97W96 for the through 5 ton).

4 All units may be These air handlers are designed for indoor INSTALLATION only. installed with optional ECB25 field-installed electric heat As shipped, the unit is ready for INSTALLATION in either upflow or and a matched outdoor unit. horizontal left-hand or right-hand air discharge applications. Downflow applications can be accomplished by purchasing All units come with a orifice metering device installed. the available downflow kit (96W37 for Unit Dimensions - Inches (mm). B 3/4 (19) C. LINE. Right, VOLTAGE. Left and Top LOW VOLTAGE. Right Side Only AIR FLOW. A. CONDENSATE DRAIN. PIPING PLATE (4). (2-1/4 x 3-3/4). FILTER ACCESS. SUCTION. LINE. F OPTIONAL DUCT. LIQUID. LINE (Kit allowsADAPTOR KIT. direct connection of the ductwork to the return air opening J of the air handler, not required if an external filter is used E or if unit is installed on a platform in upflow applications.))

5 3/4. (19). D. G H. 2-1/2 (Opening) 2-1/2. 2-1/2 (Opening) 1-3/4 (64). (64) (44). (64). FRONT VIEW SIDE VIEW. -024. -018 -030 -036 -042 -048 / -060. Dimension inches mm inches mm inches mm inches mm inches mm inches mm A 38 965 40-1/2 1029 43 1092 48 1219 48 1219 52-1/2 1334. B 15 381 18-1/2 470 18-1/2 470 21-7/8 556 21-7/8 556 21-7/8 556. C 22 559 22 559 22 559 22 559 26 660 26 660. D 6 152 6 152 6 152 12-1/4 311 6-1/4 159 6-3/8 162. E 11 279 14 357 16 406 18-7/8 479 17-7/8 454 15-1/4 387. F 3-5/8 92 5-1/2 140 5-1/2 140 5-3/4 146 3-1/4 83 3-1/4 83. G 10 254 13-1/2 343 13-1/2 343 16-7/8 429 16-7/8 429 16-7/8 429. H 17-3/4 451 17-3/4 451 17-3/4 451 17-3/4 451 21-3/4 552 21-3/4 552. J 3-5/8 92 5-1/2 140 5-1/2 140 5-3/4 146 4-5/8 117 6-3/8 162. Supply Air Depth 17 432 17 432 17 432 17 432 21 533 21 533.

6 Opening Width 13 330 16-1/2 419 16-1/2 419 19-7/8 505 19-7/8 505 19-7/8 505. Return Air Depth 20-3/4 527 20-3/4 527 20-3/4 527 20-3/4 527 24-3/4 629 24-3/4 629. Opening Width 12-1/2 318 16 406 16 406 19-3/8 492 19-3/8 492 19-3/8 492. Page 2 of 18 Issue 1324 507120-01. Requirements Install the conditioned air plenum, ducts and air filters (not provided) in accordance with NFPA 90B Standard for the INSTALLATION of Warm Air Heating and Air-Conditioning WARNING Systems (latest edition). Excessive Weight Hazard - Use two or more people when moving and installing the unit. Failure to do so The air handler is shipped from the factory completely can result in back or other type of injury. assembled. The unit is provided with flanges for the connection of the duct system.

7 IMPORTANT Do not remove the cabinet knockouts until it has been determined which knockouts will need to be removed for These units are designed to match, and must be used the INSTALLATION . with, outdoor units as rated. The indoor sections are manufactured with a orifice metering device installed Select the final air discharge position which best suits the site to provide optimum refrigerant control and system conditions. Consider required clearances, space, routing performance with a variety of different capacities of requirements for refrigerant line, condensate disposal, filters, outdoor units. duct system, wiring, and accessibility for service. Refer to the air handler rating plate on the air handler for specific information. CAUTION. Physical contact with metal edges and corners while WARNING.

8 Applying excessive force or rapid motion can result in Danger of explosion. Keep flammable personal injury. Be aware of, and use caution when materials and vapors, such as gasoline, away working near these areas during INSTALLATION or while from air handler. Place air handler so that servicing this equipment. heating elements are at least 18 inches (46. cm) above the floor for a garage INSTALLATION . These instructions are intended as a general guide and Failure to follow these instructions can result do not supersede local or national codes in any way. in death, explosion, or fire. Consult authorities having jurisdiction before INSTALLATION . Compliance with all local, state, or national codes pertaining NOTES: to this type of equipment should be determined prior to INSTALLATION .

9 Read this instruction manual, as well as the During cooling operation, excessive sweating may occur if instructions supplied in separate equipment, before starting the air handler is installed in a very humid space. the INSTALLATION . If installed in an unconditioned space, sealant should be In addition to conforming to manufacturer's INSTALLATION applied around the electrical wires, refrigerant tubing, and instructions and local municipal building codes, INSTALLATION condensate lines where they enter the cabinet. of Allied air handler units (with or without optional electric heat), MUST conform with National Fire Protection Electrical wires should be sealed on the inside where they Association (NFPA) standards: Standard for INSTALLATION of exit the conduit opening.

10 Sealant is required to prevent air Air Conditioning and Ventilation Systems (NFPA No. 90A) leakage into, and condensate from forming inside of, the and Standard for INSTALLATION of Residence Type Warm Air air handler, the control box, and on the electrical controls. Heating and Air Conditioning Systems (NFPA No. 90B). All models are designed for indoor INSTALLATION only. The This unit is approved for INSTALLATION clearance to combustible INSTALLATION of the air handler, field wiring, duct system, material as stated on the unit rating plate. Accessibility and etc. must conform to the requirements of the National service clearances must take precedence over combustible Electrical Code, ANSI/NFPA No. 70 (latest edition) in the material clearances. United States, and any state laws, and local ordinances (including plumbing or wastewater codes).