175231-YIM-A-0706Unitary Products Group 7INSTALLATIONINSTALLATION 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 8 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, as specified on Pages 7, 15, 16 and50 of these instructions.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, specified on Page 52 of these instruc-tions.5. This equipment is not to be used for temporaryheating of buildings or structures under construc-tion.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 and to the GasHeat Application Data table.After installation, the unit must be adjusted to obtain atemperature rise within the range specified on the unitrating plate.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).This furnace is not to be used for temporary heating ofbuildings or structures under construction.FIRE OR EXPLOSION HAZARDFAILURE TO FOLLOW THE SAFETY WARN-ING EXACTLY COULD RESULT IN SERIOUSINJURY, DEATH OR PROPERTY DAMAGE.NEVER TEST FOR GAS LEAKS WITH ANOPEN FLAME. USE A COMMERICALLYAVAILABLE SOAP SOLUTION MADE SPE-CIFICALLY FOR THE DETECTION OFLEAKS TO CHECK ALL CONNECTIONS. AFIRE OR EXPLOSION MAY RESULT CAUS-ING PROPERTY DAMAGE, PERSONALINJURY OR LOSS OF LIFE.