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USER`S MANUAL PGE Single Package Rooftop
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1. TITLE AN RR ROY ORY RY KE ERS ROY FILTER ACCESS PANEL PGE090 150 Fig 4 Typical Filter Access Panel Location Vil Condenser Fan AN WARNING Do not poke sticks screwdrivers or any other object into revolving fan blades Severe bodily injury may result The fan must be kept free of all obstructions to ensure proper cooling Contact your dealer for any required service Vill Electrical Controls and Wiring Electrical controls are difficult to check without proper instrumenta tion therefore if there are any discrepancies in the operating cycle contact your dealer and request service IX Refrigerant Circuit The refrigerant circuit is difficult to check for leaks without the proper equipment therefore if inadequate cooling is suspected contact your local dealer for service X Combustion Area and Vent System The combustion area and vent system should be visually inspected before each heating season The normal accumulation of dirt soot rust and scale can result in loss of efficiency and improper perfor mance if allowed to build up AN CAUTION If your unit makes an unusual or especially loud noises during heating shut down the heating section and call your dealer See Fig 1A 1B and 5 and proceed as follows to inspect the combus tion area and power venting system of your unit 1 Turn off gas supply to your unit 2 Turn off electrical power to your unit and install l
2. combustion blower AN WARNING Do not attempt to light by hand serious injury or death may result TO LIGHT UNIT N DANGER 1 Do not turn off the electrical power to unit without first turning off the gas supply 2 Before attempting to start the gas heating section familiar ize yourself with all the procedures that must be followed 3 Never attempt to manually light the main burners on unit with a match lighter or any other flame If the electric sparking device fails to light the main burners refer to the following shutdown procedures then call your dealer as soon as possible If you do not follow these instructions exactly a fire or explo sion may result Property damage injury or loss of life could occur See Fig 1A and 1B for location of gas valve Refer to Fig 2 while proceeding with the following steps I Step 1 Set room thermostat to the lowest temperature setting and set SYSTEM switch to HEAT or AUTO position Il Step 2 Close the manual gas valve lll Step 3 Turn off the electrical supply to the unit and install lockout tag IV Step 4 Remove the burner access panel V Step 5 Move the control on the gas valve to the OFF position and wait 5 minutes VI Step 6 Move control on gas valve to ON position Vil Step 7 Replace the burner access panel Vill Step 8 Turn on the electrical supply to unit IX Step 9 Open the manual gas valve X Step 10 Set room thermostat selector
3. or equivalent Il Heat Exchanger To ensure dependable and efficient heating operation the heat exchanger should be inspected by a qualified maintenance person before each heating season and cleaned when necessary This check out should not be attempted by anyone not having the required exper tise and equipment to do the job properly Checking and or cleaning the heat exchanger involves removing the gas controls assembly and the flue collector box cover and when completed reinstalling the gas controls assembly for proper operation Also the flue collector box cover must be replaced correctly so that a proper seal is maintained Contact your dealer for the required periodic maintenance Ill Fans Belts and Fan Motor Periodically check the condition of the fan wheels and housings belt tension and fan motor shaft bearings No lubrication of condenser or evaporator fan bearings or motors is required or recommended Adjust or replace components as necessary IV Evaporator and Condenser Coils Cleaning of the coils should be done by qualified service personnel Contact your dealer for the required annual maintenance V Condensate Drain The drain pan and condensate drain line should be checked and cleaned at the same time the cooling coils are checked by your dealer VI Compressor All compressors are factory supplied with a normal charge of the correct type refrigeration grade oil in them and should not require additional oil
4. sides is required A clearance of 5 ft 1s required above the condenser discharge ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Consider the following information before maintaining or servicing equipment N WARNING 1 TURN OFF GAS SUPPLY AND THEN ELECTRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTENANCE 2 Do not turn off electrical power to this unit without first turning off the gas supply 3 When removing access panels or performing maintenance functions inside your unit be aware of sharp sheet metal parts and screws Although special care has been taken to reduce sharp edges inside the unit be extremely careful when handling parts or reaching into the unit NUDO 50 60 70 80 STEP 2 STEP 3 ONE STAGE VALVE TWO STAGE VALVE STEP 5 ONE STAGE VALVE TWO STAGE VALVE MAIN STEP 10 STEP 8 Fig 2 To Light Unit ER ONE STAGE VALVE STEP 5 MAIN STEP 7 Fig 3 To Shut Unit Off l Air Filters Air filter s should be checked at least every 3 or 4 weeks and changed or cleaned when necessary Table 1 indicates the correct filter size for your unit See Fig 4 for filter access panel location To replace or inspect filters 1 Set room thermostat to the lowest temperature setting and set SYSTEM switch to HEAT or AUTO position Close the manual gas valve 3 Turn off the electrical supply to the unit and install lockout tag Lif
5. EMS THAT CAN BE EASILY SOLVED If insufficient heating or cooling is suspected Check for sufficient airflow Check the air filter for dirt Check for blocked return or supply air grilles Be sure they are open and unob structed If these checks do not reveal the cause call your servicing dealer If your unit is not operating at all check the following list for easy solutions Check to be sure that your thermostat temperature selector is set above the indoor temperature during the heating season or below the indoor temperature during the cooling season Be sure the SYSTEM switch in the proper HEAT COOL or AUTO position and not in the OFF position Is the electrical supply switch ON Are any fuses blown or has the circuit breaker tripped During the heating season check the external manual shutoff valve Is this lever parallel with the pipe indicating that the valve is open Or is the lever at a right angle indicating that the valve is closed If closed has the gas been shut off for safety reasons Otherwise you may open the valve and follow the start up procedures listed in this manual NOTE Before proceeding with the next check turn OFF the electri cal power supply to the unit Remove the control access door During the heating season check the control dial on the gas valve Is it in the ON position If it is not be sure it has not been turned off for safety reasons If no safety hazards are presen
6. USER S MANUAL PGE Single Package Rooftop Gas Heating Electric Cooling Units Sizes 036 150 3 to 12 1 2 Tons NOTE TO INSTALLER This manual should be left with the equipment owner WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage per sonal injury or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas sup plier s instructions e If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier N WARNING Improper installation adjustment alteration service or maintenance could cause prop erty damage serious injury or death Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier AN WARNING Before performing recommended mainte nance be sure main power switch to unit is turned off Electri cal shock could cause serious injury or death Your rooftop combination heating cooling unit is equipped with an automatic direct spark ignition and induced draft
7. f all flue product passages including the burner heat exchanger and flue collector box 2 Inspection of all combustion and ventilation air passages and openings 3 Close inspection of all gas pipes leading to and inside your unit 4 Inspection and if required cleaning of the condenser and evaporator coils 5 Inspection and if required cleaning of the condensate drain pan and trap 6 Inspection of all supply and return air ducts for leaks obstructions and insulation integrity Any problems found should be resolved at the time of inspection 7 Inspection of the unit base for cracks gaps etc which may cause a hazardous condition 8 Inspection of the unit casing for signs of deterioration 9 Inspection of all electrical wiring and components to ensure proper connection 10 Inspection for leaks in the refrigerant circuit Pressure check to determine appropriate refrigerant charge 11 Inspection and cleaning of fan wheels and housings belt ten sion and fan motor shaft bearings and pulley alignment 12 Operational check of the unit to determine working condi tions Repair or adjustment should be made at the time of inspection Your servicing dealer may offer an economical service contract that covers seasonal inspections Ask for further details Complete Service Instructions can be found in the unit Installation Start Up and Service Instructions BEFORE YOU CALL FOR SERVICE CHECK FOR PROBL
8. ockout tag 3 Remove burner access panel 4 Using a flashlight carefully inspect the burner areas for dirt soot rust or scale AN CAUTION If dirt soot rust or scale accumulations are found call your dealer and do not operate your heating section INDUCED DRAFT MOTOR GAS VALVE Fig 5 Typical Heat Section Detail Size 036 072 Shown 5 When you have completed your inspection follow the start up procedures in this manual to restore your unit to operation 6 Observe unit heating operation AN WARNING Components in heat section may be hot after unit has been started up When observing flame be careful not to get to close to or touch heating components Serious personal injury may result Watch the burner flame to see if it is bright blue If you observe a suspected malfunction or that the burner flame is not bright blue call your dealer 7 Replace burner access panel XI Unit Panels After performing any maintenance or service on the unit be sure all panels are securely fastened in place to prevent rain from entering unit cabinet and to prevent disruption of the correct unit airflow pattern REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance you might be willing to perform your unit should be inspected regularly by a properly trained service technician An inspection preferably each year but at least every other year should include the following 1 Inspection o
9. slightly above room temperature to start unit The induced draft combustion air fan will start Main gas valve will open and main burners should ignite within 5 seconds If the burners do not light there is a 22 second delay before another 5 second try If the burner still does not light the time delay is repeated If the burner does not light within 15 minutes there is a lockout If burners still do not light call for service 521 02 1001 01 Jan 2008 XI Step 11 Set the temperature selector on room thermostat to desired setting N WARNING If the main burners fail to light or the blower fails to come on shut down gas heating section and call your dealer for service Failure to follow these requirements could result in serious personal injury A GAS VALVE FLUE HOOD i GAS VALVE Le ine ACCESS PANEL Fig 1B Gas Valve Location Sizes 090 150 TO SHUT UNIT OFF N WARNING Do not turn off the electrical power to unit without first turning off the gas supply Failure to follow this procedure can result in serious fire or per sonal injury Refer to Fig 3 while proceeding with the following steps I Step 1 Set room thermostat to lowest temperature setting and set SYSTEM switch to OFF position ll Step 2 Close the external manual gas
10. t follow the start up procedures in this manual If your unit still fails to operate call your servicing dealer for trou bleshooting and repairs Specify the model and serial numbers of your unit Record them in this manual in the space provided If the dealer knows exactly which unit you have he may be able to offer sugges tions over the phone or save valuable time through knowledgeable preparation for the service call IN CASE OF TROUBLE If after performing the above unit performance is unsatisfactory shut off the unit and call your dealer Dealer s Name _ Telephone No Unit Model
11. t up and remove filter access panel 5 While holding filter tilt upper filter rack retainer Remove filters by pulling up and out toward you from the track Inspect or replace filters 8 Return filters to filter track Note direction of airflow arrows on filter frame 9 Replace filter access panel 10 Reverse Steps 1 through 3 If you have difficulty in locating your air filter or 1f you have ques tions concerning proper filter maintenance contact your dealer for instructions When replacing your unit filters always use the same size and type of filter that was originally supplied by the installer Units with outdoor air capability have a cleanable filter for the outdoor air This filter should be checked annually and cleaned as necessary with steam or hot water and a mild detergent Do not use throwaway filters in place of cleanable filters N WARNING Never operate your unit without filters in place Failure to heed this warning may result in damage to the blower motor and or compressor An accumulation of dust and lint on internal parts of your unit can cause loss of efficiency and in some cases fire FILTER ACCESS PANEL COMPRESSOR ACCESS PANEL OUTDOOR AIR OPENING PANEL PGE036 072 Table 1 Indoor Air Filter Data INDOOR AIR FILTERS a Throwaway Fiberglass osso 2 o O esa 090 102 Ao oso a oo NOTE Replacement filters should be UL Underwriters Laboratories certified
12. valve lll Step 3 Turn off the electrical power supply to unit and install lockout tag IV Step 4 Remove the burner access panel V Step 5 Move the control on the gas valve to the OFF position VI Step 6 Replace the burner access panel Vil Step 7 If unit is being shut down because of a malfunction call your dealer as soon as possible If unit is being shut down because the heating season has ended restore electrical power to the unit to ensure operation of the cooling system during the cooling season Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the unit before shutting off the electrical supply Do not use this unit 1f any part has been under water Immediately call a qualified service technician to inspect the unit and to replace any part of the control system and any gas control which has been under water MAINTAINING YOUR UNIT All maintenance should be handled by skilled experienced and qualified personnel Your dealer can help you establish a standard procedure For your safety keep the area around the unit clear and free of com bustible materials gasoline and other flammable liquids and vapors To ensure proper functioning of the unit flow of combustion and ven tilating air must not be prevented from reaching the unit Clearance of at least 3 ft on size 036 072 units and 4 ft on size 090 150 units on the flue and condenser sides and 6 in on all other
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