290699-YIM-B-06078 Unitary Products GroupINSTALLATIONINSTALLATION SAFETY INFORMATION:Read these instructions before continuing this appli-ance installation. This is an outdoor combination heat-ing and cooling unit. The installer must assure thatthese instructions are made available to the consumerand with instructions to retain them for future reference.1. Refer to the furnace rating plate for the approvedtype of gas for this furnace.2. Install this furnace only in a location and positionas specified on page 9 of these instructions.3. Never test for gas leaks with an open flame. Usecommercially available soap solution made specifi-cally for the detection of leaks when checking allconnections.4. Always install furnace to operate within the fur-nace's intended temperature-rise range with theduct system and within the allowable external staticpressure range, as specified on the unit name/rat-ing plate.5. This equipment is not to be used for temporaryheating or cooling of buildings or structures underconstruction.LIMITATIONSThese units must be installed in accordance with thefollowing national and local safety codes:In U.S.A.:• National Electrical Code ANSI/NFPA No. 70.• National Fuel Gas Code Z223.1.• Gas-Fired Central Furnace Standard ANSIZ21.47a.• Local gas utility requirements.In Canada:• Current Canadian Electrical Code C22.1.• Current Gas Installation Codes CSA-B149.1.• Local plumbing and waste water codes.• Other applicable local codes.Refer to the Unit Application Data Table 1 and to theGas Heat Application Data Table 4.If components are to be added to a unit to meet localcodes, they are to be installed at the dealer's and/orthe customer's expense.Size of unit for proposed installation should be basedon heat loss/heat gain calculation made according tothe methods of the Air Conditioning Contractors ofAmerica (ACCA).FIRE OR EXPLOSION HAZARDFailure to follow the safety warning exactlycould result in serious injury, death or propertydamage.Never test for gas leaks with an open flame.use a commercially available soap solutionmade specifically for the detection of leaks tocheck all connections. A fire or explosion mayresult causing property damage, personalinjury or loss of life.