Table of Contents
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Installation Instructions
I PGAA / PGAC / PGAD
- 11/2
to 5 TON
PGMD/PGME
COMBINATION
UNITS
GAS HEAT/ELECTRIC
COOL
TABLEOF CONTENTS
1. SAFETY LABELING AND SIGNAL WORDS ....................
2
DANGER,WARNING AND CAUTION ...............................
2
SIGNALWORDS ...............................................
2
SignalWords in Manuals ........................................
2
PRODUCTLABELING ...........................................
2
DangerLabel ................................................
2
Warning Label ...............................................
2
CautionLabel................................................
2
2. UNIT DIMENSIONS .....................................
3-4
......................
5
4. LOCATING THE UNIT ....................................
5
ACCESS PANELS ..............................................
5
CLEARANCES.................................................
5
MinimumClearancesto CombustibleConstruction......................
5
GROUNDLEVEL INSTALLATION...................................
5
ROOFTOPINSTALLATION......................................
5-6
HOISTING ....................................................
6
Downflow Conversion ...........................................
6
HeatingVent Assembly .........................................
6
CondensateDrain .............................................
6
5. PRE- EXISTING COMMON VENT CHECK ......................
7
6. GAS SUPPLY AND PIPING ................................
7
GAS PIPING ..................................................
7
Gas PipeSize ...............................................
7
PIPING AT UNIT ................................................
7
Connections .................................................
7
ORIFICES ....................................................
7
OrificeSizes .................................................
7
ChangingOrifices .............................................
8
7. ELECTRICAL WIRING ....................................
8
Une VoltageWiring ............................................
8
GroundConnections ...........................................
8
Une Connections ............................................. 8
THERMOSTAT/HEAT ANTICIPATOR ............................... 8
Final ElectricalCheck ..........................................
8
8. DUCTWORK ...........................................
8
DuctworkInsulation ........................................
9
DuctworkConnections ..........................................
9
FILTERS .....................................................
9
9. START- UP PROCEDURES
................................
9
CHECKBEFORESTARTING ......................................
9
Reverse Rotation(Scroll CompressorsOnly) ..........................
9
ManifoldGas PressureAdjustment .................................
9
GAS PRESSURES..............................................
9
CIRCULATING AIR BLOWER .....................................
10
HEATINGSTAR-UP PROCEDURES ................................
10
Temperature R ise Check .......................................
10
FANCONTROLCHECK .........................................
10
SPEED TAPS .................................................
11
CONTINUOUSFANOPERATION ..................................
11
COOLING ...................................................
11
.........................................
12
COMBUSTIONIINDOOR FAN CONTROL.............................
12
SCROLLANTI-CYCLE TIMER ....................................
12
.......................................
12
MONTHLYMAINTENANCE AND INSPECTIONCHECKS .................
12
Air Filters ..................................................
12
HEATINGSEASON CHECKS (MONTHLY) ...........................
12
Pilot Flame .................................................
12
Main Burner Flame ...........................................
12
ANNUALMAINTENANCE AND INSPECTION .........................
"12
CondenserFan Motor .........................................
12
VENTASSEMBLY .............................................
13
BLOWERMOTORACCESS ......................................
13
13
Motor removalandreplacement ..................................
13
Method2 ..................................................
13
Burners/ HeatExchangers/ FlueGas Passages ......................
t3
/HEATEXCHANGERS/FLUE GAS PASSAGES .....................
13-14
For Oaaiified ServiceTechnician Only ...........................
t3-t4
..............................
15
13. NOTES .............................................
16
462 01 1004 00
10-23-01
Printed in U.S.A.
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Table of Contents
Related Manuals for ICP PGAA Series
Summary of Contents for ICP PGAA Series
-
Page 1: Table Of Contents
Installation Instructions I PGAA / PGAC / PGAD to 5 TON - 11/2 PGMD/PGME COMBINATION UNITS GAS HEAT/ELECTRIC COOL TABLEOF CONTENTS 1. SAFETY LABELING AND SIGNAL WORDS ....8. DUCTWORK ........... DuctworkInsulation ........DANGER,WARNING AND CAUTION ....... SIGNALWORDS ..........DuctworkConnections .......... SignalWords in Manuals ........ -
Page 2: Safety Labeling And Signal Words
Danger Label 1. Safety Labeling and Signal Words White letteringon a blackbackgroundexceptthe word DANGERwhich iswhitewitha red background. Danger, Warning and Caution Thesignal words DANGER,WARNINGand CAUTIONare used to identifylevels ofhaz- ard seriousness. T he signal word DANGERis only usedon product labels to signify an immediate hazard.The signal words WARNINGand CAUTIONwill be used on product labels and throughoutthis manualand other manualsthat may applyto the product. -
Page 3: Unit Dimensions
"B" CHASSIS UNIT DIMENSIONS 2. Unit Dimensions Units in "B" Chassis Configuration COMBINATION GAS/ PGAA18-42 ELECTRIC UNITS "B" Chassis PGAC36-42 (473/8 x473/8) PGAD24-36_ _"B" INCHES MILLI_IETER "C" 32-1/2 I 828 47-3/8 1203 (- _((_,(_..(_)_J))))))))]/ 47-378 I 1203 _ _._.___/JJJ "%1 3-1/8 I ___/ /"... -
Page 4: Unit Dimensions
"C" CHASSIS UNIT DIMENSIONS ELECTRICAL POWER CONDUIT ('K' DIM.) VOLTAGE 1/2" (12.7) CONDUIT CONNECTION _/2" (12,7) P_PE 1-1/2" (10t.8) COMBINATION GAS/ ELECTRIC UNITS "C" Chassis (473/8 X 73) DgM. INCHES MILLIMETER8 47-3/8 t 203 1354 4-5/8 18-3/4 18-3/4 1 & 1-1/4 25 &... -
Page 5: Safe Installation Requirements
3. SAFE INSTALLATION REQUIREMENTS Do NOTinstalltheunit in a location thatwill permitdischargedair from thecondenserto recirculateto the condenserinlet. CAUTION Do NOT operate unit in a corrosive atmosphere containing chlorine, fluorine, or any other corrosive chemicals. Installation or repairs made by unqualified persons can result Minimum Clearances to Combustible... -
Page 6: Hoisting
- The e xisting roof structure MUST be adequate to supportthe weight ofthe unit or t he roof MUSTbe reinforced. FIGURE 3 Heating Vent Assembly Checkthe weightof the unit in relationto the roofstructureand localbuildingcodes or ordinancesand reinforceroofstructureifnecessary. S ee FIGURE21 onthe back Flue Support cover of this manual for unit weights. -
Page 7: Gas Supply And Piping
6. GAS SUPPLY AND PIPING Gas Pipe Size, Length and Btu/hr Capacity FIGURE 6 for Schedule 40 Iron Pipe (English) NATURAL GAS NOTE:Because there are many typesof liquifiedpetroleum (LP) gases,the term LP as kW** Pipe Length used inthis manualrefersto propanegas. If you intendto use any type of LP gas, proper (Includes precautionsMUSTbe used in thehandling,piping,and use of suchgas. -
Page 8: Changingorifices
NOTE: An LP ConversionKit MUSTbe used for conversionto LP gas. FIGURE I Manifold/Orifice Measurement NOTE: For elevationsabove 2000 feet (610 meters),the Btu input rating MUST be re- ducod by 4%for each 1000feet (305 meters)abovesea level,unless the gas supplier's Measure 11/16" (27mm) from face of orifice to back edge of Btuflt3content has already beenadjustedfor altitude.Check Table 1. -
Page 9: Final Electricalcheck
Final E lectrical Check 8. DUCTWORK 1. MakeafinaI wiring checkto be suresystemis cerrectlywired.Inspectfield installed Maximum recommendedvelocity in trunk ducts is 1000 feet per minute. Velocity in wiring andthe routingto ensurethatrubbingor chafingdueto vibrationwill n ot occur. branchesshould notexceed 800feet per minute. NOTE:Wiring MUSTbe installedso it is protected from possiblemechanicaldamage. -
Page 10: Gas Pressures
NOTE: Adjustment screw coverMUST be placedon gas valvebefore readingmanifold pressure and operating furnace. Fire orexplosion hazard. Turn OFF gas at shut off before connecting U-tube nometer. Fire and/or explosion hazard. Failure to properly seal duct can result in personal injury Do NOT adjust manifold pressure more than ±... -
Page 11: Fancontrolcheck
NOTE: Theblowerspeed MUSTbesetto givethe correctair temperaturerisethroughthe 1. Refer to FIGURE14 and locatethespeed tap blockon blower motor. furnaceas markedon the ratingplate. See FIGURE14 for moreinformation. 2. The yeUowlead MUSTalwaysbe connectedto the speedtap blockatthe common quickconnectterminal.Theterminalis identifiedas COM.Also,this is the onlylead 3. After 15 minutesof operation check the limitcontrolfunction byblockingthe which is 3116"... -
Page 12: Operation
FIGURE 14 Blower Motor Speed Taps (3-Speed and 4-Speed Motors) SPEED DATA IN UNITS TECHNICAL INFORMATION LABEL I BE SURE TO CHECK BLOWER MOTOR I ON THE UNIT SCROLL ANTI-CYCLE TIMER 10. OPERATION Single phase scrollcompressor e quippedunits are equipped withan anti-cycle device whichdelaysstart ofthe compressorinthe eventof a powerinterruption. -
Page 13: Annual Maintenanceandinspection
the h eat exchanger tubes and the t urbulators should glow o range (after about five m inutes of o peration). Main burner flame should be inspected monthly. Burn hazard. FIGURE 15 Normal Flame Flue cover may be hot! Allow adequate time for flue cover to cool. -
Page 14: Burners/ Heatexchangers/ Fluegas Passages
2.Remove all screws around rim ofunit top, (except screws which are i naccessible necessarytofabricatehandle extensionsfor thebrushestoreachtheareasthat re- because of p roximity tostructure). quire cleaning. Reinspect after cleaning and replace the heat exchanger if defective. 3.Raise unit top a t c erner of u nit ctosest to blower at l east 2"and place asturdy... -
Page 15: Rigging Instructions
"11 RIGGING I NSTRUCTIONS FAILURE FOLLOW THESE INSTRUCTIONS A WARNING RESULT IN PROPERTY DAMAGE, BODILY INJURY OR DEATH. PANELS MUS] IN PLACE WHEN RGGING I FliNG. HOOK RIGGNG SHACKLES _HROUGH HOLES IN BASE RAL, SHOWN IN DEw,AlL SPREADER BARS, WHLN RGGNG, PREVLNT UNIT... -
Page 16: Notes
14. Notes... - Page 17 INTERNATIONAL COMFORT PRODUCTS LIMITED WARRANTY CERTIFICATE For Cooling & Heating Products SAVE THIS CERTIFICATE. It gives you specific legal rights, and you may also have other rights which may vary from state to state and province to province. If your unit needs servicing, contact a qualified dealer or qualified service technician of your choice. When requesting service, please have the model and serial number from each unit in your heating and/or cooling system readily available.
- Page 18 ADDITIONAL TERMS FOR RESIDENTIAL APPLICATIONS ONLY The Additional Terms for the components listed below are in addition to, and subject to, the General Terms on the reverse side of this page. Warranty coverage is limited to parts that fail due to defect in materials or workmanship during the specified term.