Although special care is taken to reduce sharp edges to a minimum, be extremely careful when handling parts or reaching into the unit. 2 UNIT INTRODUCTION ! WARNING FIRE AND EXPLOSION HAZARD Failure to follow this hazard warning could result in personal injury, death and/or property damage. What to do if you smell gas: 1. Do not try to light any appliance. 2. Do not touch any electrical switch; do not use any phone in your building. 3. Leave the building immediately. 4. Immediately call your gas

1. Transportation Damage — If any damage is noted when unpacking coil, file a claim with the transportation agency. NIPPLE AUXILIARY CONDENSATE CONN 28GH002,003 HI SERVICE AND ACCESS SPACE NIPPLE AUXILIARY CONDENSATE CONN UNIT 28GH I 002 : 003 i 004 i 005 006 A :-4% ! 2-0% 1 2-4% 3-0% DIM. (ft-in.) s I 1-3% C ¡ 1-2V* ! -4% CONN. (in. ODF) Suction D j % ; V Liquid £ I % % Condensate F I it 'A Duct !n!et (in.) G i 13% H ¡ !3% ! 22s/» i 26s/» 34% Duct Outle

Consult a qualified installer, service agency or the gas supplier for information or assistance. NOTE: Installation of this unit must conform to the guidelines presented in these Installation Instructions. Read and become familiar with this publication before starting installation. Only trained, qualified installers and service mechanics should install, start-up and service this equipment. Consult the User’s Manual for routine maintenance. All other operations should be performed by trained se

10—Typical Wiring Diagram (48KHA030310 shown) 12 Table 6—Model 48KHA,KLA Air Delivery (cfm)* at Indicated External Static Pressure and Voltage UNIT BLOWER EXTERNAL STATIC PRESSURE (in. wq) MODEL VOLTS- MOTOR COILf 208V 230V or 460V 48- PHASE (60 Hz) SPEED 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Low Heat 740 700 660 615 565 510 _ _ _ 805 765 725 675 625 565 _ — _ KLA118 208- Cool* 700 665 625 580 535 480 — — — 760 720

! WARNING Burners Gas Valve Flue Hood A09043 Fig. 4 -- Gas Heating/Electric Cooling Unit with Access Panel Removed To shut off unit gas heat: FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage. Do not turn off the electrical power to unit without first turning off the gas supply. ! WARNING NOTE: If the unit is being shut down because of a malfunction, call your dealer as soon as possible. Should overheating occur

Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory- --authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing. Follow all safety codes. Wear safety glasses, protective clothing, and work gloves. Have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or caut