574D-- - A AND 577C-- - A LEGACYt AND PREFERREDt 13 AND 14 SEER SINGLE-- PACKAGED AIR CONDITIONER AND GAS FURNACE SYSTEM WITH PURON (R-- 410A) REFRIGERANT SINGLE AND THREE PHASE 2-- 5 NOMINAL TONS (SIZES 24-- 60) Owner’s Information Manual A09033 A09034 577C--A Without Economizer 574D----A Without Economizer A10078 577C--A With Economizer A10077 574D----A With Economizer Fig. 2 -- Unit 577C--A Fig.
NOTE TO EQUIPMENT OWNER: For your convenience, please record the model and serial numbers of your new equipment in the spaces provided. This information, along with the installation data and dealer contact information, will be helpful should your system require maintenance or service.
SAFETY CONSIDERATIONS ! Improper installation, adjustment, alteration, service maintenance, or use can cause explosion, fire, electrical shock, or other conditions which may cause death, personal injury, or property damage. 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.
UNIT INTRODUCTION ! These units are small packaged gas heat/electric cooling system that can utilize the comfort of gas heating packaged along with efficient electric air conditioning. This unit uses Puronr, the ozone friendly refrigerant for cooling. FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in personal injury, death, and/or property damage.
OPERATING YOUR UNIT The operation of your unit is controlled by the indoor temperature control (thermostat). You simply adjust the thermostat and it maintains the indoor temperature at the level you select. Most thermostats of heating and cooling systems have 3 controls: a temperature control selector, a FAN control, and a SYSTEM or MODE control. Refer to your thermostat owner’s manual for more information.
Replacing or inspecting filters in units with economizers ! Small Chassis (See Fig. 5) 1. Remove return air duct cover at rear of unit using a 5/16--in. nut driver. 2. Remove the filter(s) by pulling it out and through the unit duct opening. If filter is dirty, replace both filters with new ones. When installing the new filters, note the direction of the airflow arrows on the filter frame, which should be pointing at the indoor coil. 3. Reinstall duct cover ensuring opening is air and watertight.
Condenser (Outdoor) Fan ! PERSONAL HAZARD WARNING INJURY AND UNIT DAMAGE Failure to follow this warning could result in personal injury, death or property damage. Do not insert sticks, screwdrivers, or any other objects into revolving fan blades. Combustion Area and Vent System For proper and safe operation, the furnace needs air for combustion and ventilation.
MAIN CL ON O SE 55 OFF STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 6 STEP 7 MAIN N PE O ON 72 OFF STEP 8 STEP 9 STEP 10 A07662 Fig.
MAIN CL O ON SE 55 OFF STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 A07663 Fig. 8 -- To Shut--off Unit Gas Heat MAIN CL O ON SE 72 90 OFF STEP 1 STEP 2 STEP 3 STEP 4 & 5 A09194 Fig.
MAIN CL O ON SE 90 OFF STEP 1 STEP 2 STEP 3 A07797 Fig. 10 -- To Shut--off Unit Electric Cooling Warranty Certificate BURNER FLAME Your unit has a limited warranty. Be sure to read the warranty carefully to determine the coverage for your unit. BURNER Before you call for service... MANIFOLD C99021 Fig. 11 -- Monoport Burner 6. Inspection and cleaning of blower wheel housing and motor. 7. Inspection of all supply--air and return--air ducts for leaks, obstructions, and insulation integrity.
