Home
USER`S MANUAL PGH Single Package Rooftop
Contents
1. Remove compressor and burner access panels Using a flashlight carefully inspect the burner areas for dirt soot rust or scale CAUTION If dirt soot rust or scale accumula tions are found call your dealer and do not operate your heating section 6 When you have completed your inspection follow the start up procedures in this manual to restore your unit to operation Observe unit heating operation WARNING Components in heating section may be hot after unit has been started When observing flame be careful not to get close to or touch heating compo nents Serious personal injury could result 8 Watch the burner flame to see if it is bright blue If you observe a suspected malfunction or that the burner is not bright blue call your dealer Turn off unit gas supply and electrical power Replace compressor and burner access panels BURNER ACCESS PANEL INDUCED DRAFT BLOWER INDUCED DRAFT MOTOR GAS VALVE HIDDEN Fig 5 Typical Heat Section Detail 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 perfor
2. tilt upper filter track 3 Remove filters by pulling up and out toward you from the track 4 Inspect or replace filters 5 Place filters back in the filter tracks When installing filters note the direction of airflow arrows on the fil ter frame 6 Reinstall filter access panel If you have difficulty locating your air filter or if you have questions concerning proper filter maintenance contact your dealer for additional instructions When replacing your unit s 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 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 that could result in serious injury or death Table 1 Indoor Air Filter Data INDOOR AIR FILTERS e Throwaway Fiberglass 036 072 16 x25 x2 090 102 16x 20 x2 190 150 a 202 NOTE See unit Installation Instructions if optional filters are used When replacing filters always use the same type and size originally supplied ll HEAT EXCHAN
3. unit area clear and free of combus tible materials gasoline and other flammable liquids and vapors To ensure proper functioning of the unit flow of combustion and ventilating air must not be prevented from reaching the unit To ensure proper airflow clearance to the condenser coil should be 36 in on one side and 12 in on the other Either side may receive the greater clearance A clearance of lin from the bottom of the unit to combustible surfaces must be maintained when not using a roof curb A clearance of 0 in from the bottom of the base rail to combustible surfaces must be maintained when not using a roof curb A 60 in clearance above the unit must be allowed for proper condenser fan operation A dearance of 42 in should be allowed on the unit control box side When ungrounded surfaces are present allow a 36 in clearance between unit and the ungrounded surfaces Allow 42 in between the unit and block or concrete walls or other grounded surfaces Clearance of 48 in must be maintained between flue side and combustible surfaces ROUTINE MAINTENANCE AND CARE FOR THE EQUIPMENT OWNER Consider the following information before maintaining or servicing equipment WARNING 1 TURN OFF GAS SUPPLY AND THEN ELEC TRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTE NANCE 2 DO NOT turn off electrical power to this unit without first turning off the gas supply 3 When removing access panels or perfo
4. EP 5 STEP 6 MAIN ON OFF OFF STEP 10 STEP 8 Fig 2 To Light Unit a e 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 val ve X Step 10 Set room thermostat selector slightly above room tempera ture 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 burn ers still do not light call for service WARNING Ifthe main burners fail to light or the blower fails to start shut down gas heating section and call your dealer for service Failure to follow these requirements could result in serious injury or death XI Step 11 Set the temperature selector on the room thermostat to de sired setting TO SHUT UNIT OFF WARNING 1 Donot turn off the electrical power to unit with out first turning off the gas supply 2 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 re
5. GER To ensure dependable and efficient heating operation the heat exchanger should be checked by a qualified maintenance person before each heating season and cleaned when neces sary This checkout should not be attempted by anyone who does not have the required licensing expertise and or equip ment to dothejob properly Checking and or cleaning the heat exchanger involves removing the gas controls assembly and the flue collector box cover When finished the gas controls assembly must be reinstalled 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 BELTS AND FAN MOTOR At the beginning of each heating and cooling season check the condition of fan wheels and housings belt tension and fan motor shaft bearings No lubrication of condenser or evapora tor fan bearings or motors is required or recommended IV EVAPORATOR AND CONDENSER COILS Inspect and clean the condenser and evaporator coils at the beginning of each cooling season or more frequently as con ditions require Cleaning of the coils should only be done by qualified service personnel Contact your dealer for the required annual maintenance V CONDENSATE DRAIN The drain pan condensate trap and drain line should be checked and cleaned at the same time the cooling coils are checked by your dealer VI COMPRESSOR All
6. USER S MANUAL PGH 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 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 WARNING Before performing recommended maintenance be sure main power switch to unit 15 turned off Electrical shock could cause serious injury or death Your rooftop combination heating cooling unit is equipped with an automatic direct spark ignition and induced draft c
7. compressors are factory supplied with a normal charge of the correct type of refrigeration grade oil and should not re quire additional oil Vil CONDENSER FAN WARNING Do not poke sticks screwdrivers or any other object into revolving fan blades Severe bodily injury could 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 Instrumentation If there are any discrepancies in the oper ating cycle contact your dealer and request service IX REFRIGERANT CIRCUIT The refrigerant circuit is difficult to check for leaks without the proper equipment If inadequate cooling is suspected contact your 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 accumula tion of dirt soot rust and scale can result in loss of effi ciency and improper performance if allowed to build up AN CAUTION If your unit makes unusual or espe cially loud noises during heating shut down the heat Ing section and call your qualified dealer See Fig 1 and 5 and proceed as follows to inspect the combustion area and venting system of your unit 1 2 3 4 Turn off gas supply to your unit Turn off electrical power to your unit Install lockout tag on disconnect
8. fer to the following shutdown procedures Call your dealer as soon as possible Failure to follow these procedures could result in seri ous fire or serious injury or death 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 valve lll Step 3 Turn off the electrical power supply to unit and install lock out 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 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 usethis unit if any part has been under water Imme 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
9. m your unit should be inspected regularly by a properly trained and qualified service technician An Inspection preferably each year but at least every other year should include the following 1 10 11 12 13 Inspection of all flue product passages induding the burners heat exchanger and flue collector box Inspection of all combustion and ventilation air pas Sages and openings Close inspection of all gas pipes leading to and inside your unit Inspection and if required cleaning of the condenser and evaporator coils Inspection and if required cleaning of the conden sate drain pan and trap Inspection and cleaning of blower wheel housing and motor Inspection of all supply and return air ducts for leaks obstructions and insulation integrity Any problems found should be resolved at time of inspection Inspection of the unit base for cracks gaps etc which may cause a hazardous condition Inspection of the unit casing for signs of deterioration Inspection of all electrical wiring and components to ensure proper connection Inspection for leaks in therefrigerant circuit Pressure check to determine appropriate refrigerant charge Inspection and cleaning of fan wheels and housings belt tension and fan motor and shaft bearings Operational check of the unit to determine working conditions Repair or adjustment should be made at the time of inspection Y
10. next check shut OFF the gas supply to the unit and then turn OFF the electrical power supply to the unit Remove the compressor access panel During the heating season check the control switch on the gas valve Is it in the ON position If it is not be sure it has not been turned off as a safety precaution If no safety hazards are present 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 man ual 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 prepa ration for the service call IN CASE OF TROUBLE If after performing the above routine checks unit perfor mance is unsatisfactory shut off the unit and call your dealer Dealers Name Telephone Unit Model Unit Serial Number
11. ombustion blower AN WARNING Do not attempt to light by hand seri ous injury or death may result TO LIGHT UNIT WARNING 1 Donot attempt to light by hand personal injury may result 2 Before attempting to start the gas heating sec tion familiarize yourself with all the proce dures that must be followed If you do not follow these instructions exactly a fire or explosion may result Property damage injury or loss of life could occur See Fig 1 for location of gas valve Refer to Fig 2 while proceeding through the following steps 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 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 valveto ON position FLUE HOOD 2 GAS VALVE x COMPRESSOR ACCESS PANEL Fig 1 Typical Gas Valve Location PGH090 Shown 521 02 1301 01 Jan 2008 NDA 80 50 60 70 STEP 2 STEP 3 TWO STAGE GAS VALVE SINGLE STAGE VALVE TWO STAGE GAS VALVE SINGLE STAGE VALVE ST
12. our 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 base unit Installation Start Up and Service Instructions BEFORE YOU CALL FOR SERVICE CHECK FOR SEVERAL PROBLEMS 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 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 se lector is set above the indoor temperature during the heating season or below the indoor temperature during the cooling season Be surethe SYSTEM switch is in the proper HEAT COOL or AUTO position and not in the OFF position Istheelectrical 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 is the lever at a right angle indi cating 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
13. rming 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 Failure to follow these instructions could result in seri ous fire or serious injury or death FILTERS Air filter s should be checked at least every 3 4 weeks and changed or deaned when necessary Table 1 indicates the correct filter size for your unit See Fig 4 for filter access door location MAIN STEP 7 Fig 3 To Shut Unit Off KK 3 2 lt ANY ESSN RA NY RER ST lt gt 2202 lt gt SoS lt gt 225 ET SEE 2 lt lt SS SS LT SL 2969405 lt lt 2 EZ 29 2909 2220925 lt gt LES CC lt gt SEBS 29929 200 55220284 ER 20500282 lt 2 SELES SELES BEES 25 RL ROSSI CRESS ZAR SHES S252 x lt lt SS 252 252 2092 RR 25 SS 2 2S lt 0925 252 208 RZ 2000202020088 REL SESS LETTER SERS 2 RR lt gt lt gt 2929 529 FILTER ACCESS PANEL Fig 4 Typical Filter Access Panel Location PGH090 Shown To replace or inspect filters 1 Lift up and remove filter access panel 2 While holding filter
Download Pdf Manuals
Related Search
Related Contents
General International 50-200R M1 Use and Care Manual Olympia FLS 30106 the Configuring Unifier for Single Sign On シャワ一 杯レ700シリ一ズ 取扱説明書 天井取付用ワイヤレスアンテナ YW-540 to the manual Litemix Bedienungsanleitung Deutsch 3Shape Implant Studio™ Copyright © All rights reserved.
Failed to retrieve file