Carrier COMFORTLINK 48P2 User's Information Manual

Carrier COMFORTLINK 48P2 User's Information Manual Manual pdf 1 page image

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53480054-01 Printed in U.S.A. Form 48P-1SO Pg 1 4-09 Replaces: NewUser’s Information ManualNOTE TO INSTALLER:This manual should be left with the equipment owner.Your combination heating/cooling rooftop unit is equippedwith an automatic direct spark ignition system and induced-draft power combustion blower.TO LIGHT UNITSee Fig. 1 for location of gas valve(s). Refer to Fig. 2 whileproceeding with the following steps.1. Turn off the unit demand for cooling or heating by usingthe scrolling marquee. The scrolling marquee is located inthe control box at the compressor end of the unit.a. Push the key unit a blank display screenis shown.b. Push the key until the SERVICE TEST LED islit.c. Push the key. The display will showSTOP.d. Push the key again. The NO/YES displaywill flash.e. Push the or key to toggle the display toYES and then push . The unit will belocked off from heating, cooling or any operation.The controls will still function and the display willstill operate.2. Close the field-installed manual gas shutoff valve.3. Turn off the electrical power to the unit using the optionaldisconnect or the field-installed disconnect and lock offusing proper lockout and tag-out procedures.4. Open the burner section hinged access door.5. Move the switch on the gas valves to the OFF positionand wait 5 minutes.NOTE: If this is the first installation of the unit, the gasflue hoods must be installed before operating unit. Thesemust be installed for the unit to run properly.6. Move the switch on the gas valves to the ON position.7. Close the burner section hinged access door.8. Turn on the electrical supply to the units.9. Open the field-installed manual gas valve.WARNING: If the information in thismanual is not followed exactly, a fire orexplosion may result causing propertydamage, personal injury or loss of life.— Do not store or use gasoline or otherflammable vapors and liquids in thevicinity of this or any other appliance.— WHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electrical switch;do not use any phone in yourbuilding.• Immediately call your gas supplierfrom a neighbor’s phone. Follow thegas supplier’s instructions.• If you cannot reach your gas sup-plier, call the fire department.— Installation and service must be per-formed by a qualified installer, serviceagency or the gas supplier.WARNINGImproper installation, adjustment, alteration, ser-vice or maintenance can cause injury or propertydamage. Refer to this manual. For assistance oradditional information consult a qualified installer,service agency, or the gas supplier.WARNINGBefore performing recommended maintenance, be suremain power switch to unit is turned off and lockout tag isinstalled. Electrical shock could cause personal injury.WARNINGBurners will light automatically. Do not attempt to light byhand; personal injury may result.DANGER1. Do not turn off the electrical power to unit withoutfirst turning off the gas supply.2. Before attempting to start the gas heating section,familiarize yourself with all the procedures that mustbe followed.3. Never attempt to manually light the burners on theunit with a match, lighter, or any other flame. If theelectric sparking device fails to light the burners, referto the shutdown procedures, then call your dealer assoon as possible.If you do not follow these instructions exactly, a fire orexplosion may result, causing property damage, injury, orloss of life.ESCAPEENTERENTERENTER48P2,P3,P4,P5030-100Gas Heating/Electric Cooling Unitswith COMFORTLINK™ Controls