USER`S MANUAL PGE Single Package Rooftop
Contents
1. NOTE Before proceeding with the next check turn off the electrical 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 the purpose of safety If nothing else seems to be amiss follow the start up procedures in this manual If your unit still fails to operate call your servicing dealer for troubleshooting 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 suggestions 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 unsatis factory shut off the unit and call your dealer Dealer s Name Telephone No Unit Model Unit Serial Number2. The normal accumula tion of dirt soot rust and scale can result in loss of effi ciency and improper performance if allowed to build up N CAUTION If your unit makes an especially loud noise when the main burners are ignited shut down the heating section and call your dealer See Fig 1 and proceed as follows to inspect the combustion area and power venting system of your unit 1 Turn off electrical power and gas supply to your unit 2 Remove burner compartment access panel 3 Using a flashlight carefully inspect the burner areas for dirt soot rust or scale N CAUTION If dirt soot rust or scale accumula tions are found call your dealer and do not operate your heating section 4 When you have completed your inspection follow the start up procedures in this manual to restore your unit to operation 5 Observe unit heating operation and watch the burner flame with the access panel removed to see if it is bright blue If you observe a suspected malfunc tion or that the burner flames are not bright blue call your dealer See Fig 5 Some yellow flame may be present due to the panel being removed 6 Replace burner compartment access panel BURNER FLAME TIP FLAME CORE Fig 5 Proper Flame Appearance XIV 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 th
3. bustion blower N WARNING Pilot will light automatically Do not attempt to light by hand personal injury may result TO LIGHT UNIT N DANGER 1 Donot turn off the electrical power to unit with out first turning off the gas supply 2 Before attempting to start the gas heating sec tion familiarize yourself with all the proce dures that must be followed 3 Never attempt to manually light the pilot on unit with a match lighter or any other flame If the electric sparking device fails to light the pilot refer to the shutdown procedures then call your dealer as soon as possible If you do not follow these instructions exactly a fire or explosion may result causing property damage injury or loss of life See Fig 1 for location of gas valves Refer to Fig 2 while pro ceeding with the following steps I STEP 1 Set room thermostat to the lowest temperature setting and set SYSTEM switch to HEAT position II STEP 2 Closethe external manual gas valve lll STEP 3 Turn off the electrical supply to the unit IV STEP 4 Remove the burner compartment access panel V STEP 5 Turn the control dial on the internal gas valve counterclock wise D tothe OFF position and wait 5 minutes VI STEP 6 Turn control dial on internal gas valve clockwise D to ON position VII STEP 7 Replace the burner compartment access panel VIII STEP 8 Turn on the electrical supply to unit IX STEP 9 Open the extern
4. EAT EXCHANGER To ensure dependable and efficient heating operation the heat exchanger should be checked by a qualified mainte nance person before each heating season and cleaned when necessary This checkout should not be attempted by anyone not having the required expertise and equipment to do the job properly Checking and or deaning the heat exchanger involves removing the gas controls assembly and theflue 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 lll FANS AND BELTS Periodically check the condition of fan wheels and housings and belt tension When service is necessary call your dealer IV EVAPORATOR CONDENSER AND COMBUSTION FAN MOTORS Lubrication is not recommended Bearings will not require lubrication for at least 5 years of normal operation After 5 years motor life can be extended by having the motors serviced at an authorized motor service shop V FAN SHAFT BEARINGS Lubrication is not recommended When service is necessary call your dealer VI EVAPORATOR AND CONDENSER COILS Cleaning of the coils should only be done by qualified service personnel Contact your dealer for the required annual maintenance Vil CONDENSATE DRAIN The drain pan and condensate drain line should be checked and cle
5. RICAL POWER TO YOUR UNIT BEFORE SERVIC ING OR PERFORMING MAINTENANCE 2 Do not turn off electrical power to this unit without first turning off the gas supply 3 When removing access doors 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 to a minimum be extremely care ful when handling parts or reaching into the unit I AIR FILTERS Air filters should be checked at least every 3 or 4 weeks and changed or cleaned whenever they become dirty Table 1 indi cates the correct filter size for your unit Remove the filter access panel to replace or inspect the filters All units have filter tracks into which the filters slide Remove the filters by pulling outward from the track See Fig 4 for filter access panel location Note the direction of flow arrows on the filter frame MAIN TTT 50 60 70 80 STEP 8 STEP 10 Fig 2 To Light Unit os KITT 50 60 70 80 Fig 3 To Shut Unit Off 4 MAIN ON OFF STEP 3 MAIN STEP 7 BURNER ACCESS OPTION PANEL HIDDEN N lt lt j p OUTDOOR AIR Lt FILTER RETAINER C OUTDOOR AIR MOTORS AND FILTER FILTERS ACCESS PANEL PGE180 210 HOOD BURNER ACCESS OPTION PANEL HIDDEN OUTDOOR MOTOR AND AIR FILTER OUTDOOR EIETER RETAINER AIR FILTERS ACCESS PANEL PGE240 HOOD BU
6. RNER ACCESS OPTION PANEL HIDDEN OUTDOOR AIR FILTER RETAINER OUTDOOR AIR FILTERS MOTOR AND FILTER ACCESS PANEL PGE300 Fig 4 Panel Locations For horizontal supply return units the size location and number of air filters varies from Table 1 If you have diffi culty in locating your air filter in the return air duct system or if you have questions concerning proper filter mainte nance 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 Remove by removing screws in outdoor air filter retainer and sliding filters out of the unit N WARNING Never operate your unit without fil ters 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 Table 1 Indoor Air Filter Data UNIT SIZE TYPE OF FILTER QUANTITY SIZE in Fiberglass 4 20 x 20x 2 When replacing filters always use the same type and size originally supplied tThe PGE300 unit requires 2 in industrial grade filters capable of handling face velocities of up to 625 ft min such as American Air Filter no 5700 or equivalent ll H
7. USER S MANUAL PGE Single Package Rooftop Gas Heating Electric Cooling Units Sizes 180 300 15 to 25 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 supplier s instructions e If you cannot reach your gas sup plier call the fire department Installation and service must be per formed by a qualified installer service agency or the gas supplier N WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a guali fied installer service agency or the gas supplier N WARNING Before performing recommended maintenance be sure main power switch to unit is turned off and lockout tag is installed Electrical shock could cause personal injury Your combination heating cooling unit is equipped with an automatic intermittent pilot and induced draft power com
8. al gas valve 521 02 1201 01 Jan 2008 INTEGRATED GAS UNIT CONTROLLER HIDDEN INDUCED DRAFT MOTOR COMBUSTION FAN HOUSING MAIN BURNER SECTION FLUE BOX COVER VALVE MAIN GAS Fig 1 Typical Gas Heating Section X STEP 10 Set room thermostat selector slightly above room tempera ture to start unit The induced draft combustion air fan will start Main burners light within 30 seconds Indoor blower will start within a few minutes of main gas ignition XI STEP 11 Set the temperature selector on room thermostat to desired setting N WARNING If the pilot fails to light the main burner fails to light or the blower fails to come on shut down gas heating section and call your dealer for service Failure to follow these reguirements could result in serious personal injury 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 these procedures can result in serious fire or personal injury See Fig 1 for location of gas valve Refer to Fig 3 while pro ceeding 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 valve lll STEP 3 Turn off the electrical power supply to the unit IV STEP 4 Remove the burner compartment access panel V STEP 5 Turn the control dial on the in
9. aned at the same time the cooling coils are checked by your dealer Vill COMPRESSOR All compressors are factory shipped with a normal charge of the correct type refrigeration grade oil in them and should rarely require additional oil The service technician must be certain the proper oil level is maintained in the compressor when it is installed and running IX CONDENSER FAN N 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 reguired service X ELECTRICAL CONTROLS AND WIRING Electrical controls are difficult to check without proper instrumentation therefore if there are any discrepancies in the operating cyde contact your dealer and request service XI INTEGRATED GAS CONTROLLER IGC The IGC board incorporates an LED that emits a flashing light to indicate an alarm code If the furnace section will not operate and the LED isflashing a code 2 to 8 flashes in suc cession contact your dealer and request service See Fig 1 XII REFRIGERANT CIRCUIT The refrigerant circuit is difficult to check for leaks without the proper equipment therefore if inadequate cooling is sus pected contact your dealer for service XIII COMBUSTION AREA AND VENT SYSTEM The combustion area and vent system should be visually inspected before each heating season
10. djustment should be made at this time 13 Your servicing dealer may offer an economical service contract that covers seasonal inspections Ask for fur ther details Complete Service Instructions can be found in the unit Installation Start Up and Service Instructions literature BEFORE YOU CALL FOR SERVICE CHECK FOR SEVERAL EASILY SOLVED PROBLEMS 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 unobstructed 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 heat Ing season or below the indoor temperature during the cool ing season Be sure the SYSTEM switch is in the proper HEAT or COOL position and not in the OFF position Is the electrical supply switch ON Are any fuses blown or has the circuit breaker tripped 0 During the heating season check the 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 fol low the start up procedures listed in this manual
11. e 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 pref erably each year but at least every other year should include the following 1 Inspection of all flue product passages including the burners combustion baffles heat exchanger flue collector box and vent pipe 2 Inspection of all combustion and ventilation air pas Sages 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 evaporator drain pan 6 Inspection cleaning and lubrication of blower wheel housing and motor 7 Inspection of all supply and return air ducts for leaks obstructions and insulation integrity Any problems found should be resolved at this time 8 Inspection of the unit base to ensure that no cracks gaps etc exist which may cause a hazardous condition 9 Inspection of the unit casing for signs of deterioration 10 Inspection of all electrical wiring and components to assure proper connection 11 Inspection for leaks in the refrigerant circuit Pressure check to determine appropriate refrigerant charge 12 Operational check of the unit to determine working conditions Repair or a
12. ternal gas valve counterclock wise D tothe OFF position VI STEP 6 Replace the burner compartment access panel VII 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 opera tion 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 if any part has been under water mme diately 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 personnel Your dealer can help you establish a standard procedure For your safety keep the area around the unit clear and free of combustible materials gasoline and other flammable lig uids and vapors To assure proper functioning of the unit flow of combustion and ventilating air must not be obstructed from reaching the unit Clearance of at least 4 ft on all sides is required ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Before proceeding with those things you might want to main tain yourself please carefully consider the following A WARNING 1 TURN OFF GAS SUPPLY AND ELECT
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