Amana PGB58B Slow Cooker User Manual
Contents
1. PIPE OR TUBING SIZE O D TYPE L NOMINAL PIPE SIZE SCHEDULE 40 TUBING LENGTH 1 2 5 86 3 4 7 8 1 1 8 12 V 4 404 12 FEET 10 39 s 199 329 501 935 275 567 1071 2205 3307 20 26 62 131 216 346 630 189 303 732 1 496 2 209 30 1 50 107 181 277 500 152 315 5901212 1 858 40 9 90 145 233 427 129 267 504 1 039 1558 50 8 37 79 131 198 376 114 237 448 913 1 417 60 16 35 70 121 187 340 108 217 409 834 1275 80 13 29 62 104 155 289 89 185 346 724 1 086 100 v ss 90 138 255 76 16 307 630 96 125 10 24 48 81 122 224 69 146 275 567 866 150 g 21 43 72 109 202 63 132 252 511 787 200 8 19 39 66 100 187 54 112 209 439 665 250 8 17 3 60 93 172 48 100 185 390 590 DATA IN ACCORDANCE WITH NFPA PAMPHLET NO 54 Table 5 Propane Pipe Sizing 12 A WARNING Failure to follow the instructions on Page 6 of this manual when the presence of gas is suspected could result in death or serious personal injury An undetected gas leak would create a danger of explo sion or fire If the propane gas furnace is installed in an excavated area or a confined space it is strongly recommended contacting a propane gas supplier abou2. V 9 190999 LIA vz06080909d ena 871A dvi 71000 dvi iV3H ON 13 LA SNOLLO3NNOO HOLOW 971A AHOLOVA ena FAD vlad SS3NHVH RN HOLOW CO vlad ISSHNHVH 338 6l YU e qu ZA LH LA 905 HOLOALOWd 31040 1HOHS WNIIWHLL 49 Av aH OLLSngWOo Sd HO LIMS 3unssaud ON n l ScA9 H NOI COH NOI IOHLNOO m n1 NOILINSI HOSN3S INVIA Su HOLLINS 1 6p HO Hl 6r HO 1IINI 1AHVONOO3S aasnNwn IVNIAH3 L OL QV31 H3MO 18 40v 18 HOVLLV 1 9 H38IATIN AV 13H NOLLSY8AOO QV3183MO18 NOILSNEWOD SNIdNN IVNIINH3 L 802 OL TWNINYAL Orc H3INHOJSNVH L WOH4 S3HIM 238 SAOW 38 LSNW SADNVHO 9NIMOTIOJ AHL 802 NO NOIL VH3dO H3dOHd HOS NOLLV TIV LSNI 802 SNIOIAH3S 380 338 103NNOOSIG HOSN3S H S N N iL 9 9 1 1 a36Nvuuvag 7IOH
3. 13 13 13 13 y 13 Condenser Fan Diameter in 20 2 X 20 20 20 ce 397 79 3988 3965 Condenser Fan Motor oo RL Amps 08 2412 J 15 J 15 O LRAms _ 15 _ 15 3 J 34 JJ 2834 O Blower Motor Horsepower os o5 055 05 y RLAms a a aa 43 43 Rated CFM Cooling 850 o 1100 1300 1300 Max External 08 wc os we 08 Og we 08 wc Combustion Blower o Diameter x Width in 4x125 4x125 4x125 4x125 4x125 p 4 J CondenserBlowerMotor ooo o HP 0 03125 0 03125 0 03125 0 03125 0 03125 FLAmps 0 05 05 O05 J Press Switch Setting W C 065 065 065 065 065 dgniion LockoutTiming sec 4 d o o 4 4 2 4 J 4 Flame Sense Current mieroamps Minimum Maximum 60 6 6 9S6 96 Evaporator FaceAea SQFt a 1 A4 3 2 4 2 2 J 4 lj 4 v Fisinh 6 id tfe 12 12 O External Filter Size Sq Ft 36 36 se 36 O Min Circuit Ampacity _ 243 308 308 Max Ov
4. 1 Seal any unused openings in the common venting system 2 Visually inspect the venting system for proper size and horizontal pitch and determine there is no block age or restriction leakage corrosion and other de ficiencies which could cause an unsafe condition 16 3 Insofar as is practical close all building doors and windows and all doors between the space in which the appliances remaining connected to the common venting system are located and other spaces of the building Turn on clothes dryers and any appliance not connected to the common venting system Turn on any exhaust fans such as the range hoods and bathroom exhausts so they will operate at maximum speed Do not operate a summer exhaust fan Close fireplace dampers Follow the lighting instructions Place the appliance being inspected in operation Adjust the thermostat so appliance will operate continuously Test for spillage at the draft hood relief opening af ter five minutes of main burner operation Use the flame of a match or candle After it has been determined that each appliance remaining connected to the common venting sys tem properly vents when tested as outlined above return doors windows exhaust fans fireplace damp ers and any other gas burning appliance to their previous conditions of use If improper venting is observed during any of the above tests the common venting system must be corrected in accordance with the la
5. The best protection for the wiring is the smallest fuse or breaker which will hold the equipment on the line during normal operation without nuisance trips Such a device will provide maximum circuit protection DO NOT EX CEED THE MAXIMUM OVERCURRENT DEVICE SIZE SHOWN ON UNIT DATA PLATE Be sure line voltage connections are made through weatherproof fittings All exterior power supply and ground wiring must be in approved weatherproof con duit Low voltage wiring from the unit control panel to the thermostat requires coded cable For ground level and rooftop wiring refer to Figure 8 Unit Voltage The unit transformer is factory connected for 230V op eration If the unit is to operate on 208V reconnect the transformer primary lead and induced draft blower mo tor leads as shown on the unit wiring diagram Heat Anticipator Setting The heat anticipator in the room thermostat must be correctly adjusted to obtain the proper number of heat ing cycles per hour and to prevent the room tempera ture from overshooting the room thermostat setting Heat anticipator must be set at 0 8 amps T87F Thermosta Q539A Subbase From W Unit Ye AGTEN E S Figure 6 Typical Thermostat and Unit 24 V Wiring Hookup CAUTION To prevent improper and dangerous op eration due to wiring errors label all wires prior to disconnection when servicing controls Verify proper operation after servicing VII Circu
6. 55384 HJIH 81 04 11 91 LIWIT AHVONO2O3S Qv31 gaSNNN OL QV31 N3M0718 OVI HOLLY UNNINH3I 9 H38W N Av 13H NOTISNEWOI H3MOT8 INTANN UNNIWH3L 02 OL 1 OYZ Sd HOLIMS 5 WOXI S3HIM ONY 4unsssud 3QvW 39 150 S39NVHJ SNIMOTIO4 10A 802 NO NOLlVR3dO H3dOHd N03 NOIIVIIVISNI 10104 30 PGC 48 QI3IJ JOVLIOA IH 39V170 IH 01313 39V1304 MOT WYHOVIO SIHL 30 dOL lV SNOILONYLSNI 33S 110A 802 404 LOA OCZ SOVLTOA KANO SYOLINGNOD 344 2 3sn d3sn 38 15 Q34 Gy Ava AD 3018 ng ALIHM HA NMONS Hg x2vig xg JAIM S0 G32Y d3H SI 3HIM 19140 ANY JI N3349 N9 SNIJIAN3S N3HM G3sn 38 5 SlNvd IN3W3OV Id3H Q3ADHddV VNVMV ANOIA LA Me d D IY 39NYWO 0 1VISOWN3HI WOOH NO NOIVdIOIINY 1V3H 135 MOTA 3003 40709 ONTSIAYSS 380539 H3MOd 193NNOOSIG ININYYM SIHL 9NIOIAH3S ONILIV43dO 330338 O A34 10801111 NV LSOdNNT SNIJIAM3S 3890438 4340d 1293NNOOSIG i WA 092 802 MOLIJO 071313 27 0 1 I t 1 1 I I 1 L 1 Li ONINUVM Sd 211 5 3e nss3dd v E 2 v OI2 xt 0 DOr a at Wvi150 82v SS3NAHVH 1 38 1 91 04 22 05 JOLIN ar Z Qy WuOSN
7. 2555 40 70 Number of Burners 4 O 5 5 6 Compressor Condenser Coil 172 Condenser Fan BDimeter n _ 24 3224 Condenser Fan Motor hee ee RLAmp 15 15 J 15 15 J 25 25 LRAmps 34 3a 36 36 64 J 64 Blower Motor a S o l Horsepower 34 34 a 1 J 41 RLAmps 5 5 5 95 7v 7 m9 Blower Wheel Dia x Width in 10x10 10x10 10xi 10xi0 1ix8 11x8 Rated Cooling 1450 1450 1700 170 1750 1750 Max External 08 wc 08 we 08 we O8 wc O08 wc cu Combustion Blower Diameter x Width in 4x125 4x125 4x125 4x125 4 15 4x125 o 5 ND uo ula v Press Switch Setting W C Ignition Lockout Timing sec Flame Sense Current microamps Miimum 1 Evaporator Coil eee Rwstep 2 J 2 83 83 83 a 3 O A Hnslnh 15 15 15 15 15 J 15 __ External Filter Size Sq Ft 53 53 953 53 53 53 _ Min Circuit Ampacity 335 497 497 MaxOvercurrentDevce 50 5 5 5 7 7 Electrical Entrance Size Power Supply 114 112 2 11 4 11 2 2 11 4 11 2 2 11 4 11 2 2 11 4 11 2 2 1 174 11 2
8. Gas Line Shut Off Valve Gas Line To Furnace Open To Atmosphere Drip Leg Cap With inn Manometer Figure 17 Measuring Inlet Gas Pressure Alternate Method Check The Manifold Pressure A tapped opening is provided in the gas valve to facili tate measurement of the manifold pressure U Tube manometer having a scale range from 0 to 12 inches of water should be used for this measurement The mani fold pressure must be measured with the burners oper ating 20 To adjust the pressure regulator remove the adjustment Screw or cover on the gas valve Turn out counterclock wise to decrease pressure turn in clockwise to in crease pressure Only small variations in gas flow should be made by means of the pressure regulator adjustment In no case should the final manifold pressure vary more than plus or minus 0 3 inches water column from the specified pressure Any major changes in flow should be made by changing the size of the burner orifices Check The Gas Input Natural Gas Only NOTE On outdoor equipment the gas input will vary with the temperature of the gas Rated input will be ob tained at approximately 10 F With warmer ambient and gas temperatures the input will decrease Example At 70 F the input will decrease 12 To measure the gas input using the gas meter proceed as follows 1 Turn off gas supply to all other appliances except the furnace 2 With the furnace operating time th
9. NIN N EN eor 137 s 138 A Columns All data based on indoor dry bulb of 807 F and rated air flow As indoor dry bulb temperature increases a slight increase will occur in indoor air temperature differential between inlet and outlet Low and high side pressures and power will not change B Columns A properly operating unit should be within 3 F of the typical dry bulb value shown C Columns A properly operating unit should be within 3 PSIG of the typical value shown D Columns A properly operating unit should be within 7 PSIG of the typical value shown E Columns A properly operating unit should be within 2 amps of the typical value shown 32 1 32 2 32 2 32l 2 30 2 30 2 30 30 28 28 28 28 26 26 27 25 25 25 25 23 23 23 23 22 22 22 22 20 20 20 1 20 1 6 8 8 6 6 6 9 9 5 2 7 6 5 2 0 3 3 5 6 7 7 3 3 4 5 EE A 3 8 7 NI 30 99 eo 190 2 2 2 2 2 2 2 2 2 2 2 85 85 ow 88 87 87 87 87 85 85 84 85 85 84 85 85 84 83 84 84 83 83 84 83 83 82 83 83 82 81 83 82 82 81 ow 88 87 88 88 87 88 88 87 87 87 85 87 85 84 85 84 83 85 84 84 83 84 84 83 82 0 0 0 0 wo N ER ajo n a n a a oa Po I oj
10. NOTE This will involve removing and reinstalling the right front door on the unit which is held by several screws If you are uncertain about your ability to do this contact a qualified servicer If a strong wind is blowing it may alter the airflow pat tern within the furnace enough that an inspection of the burner flames is not possible The inspection of the burner flames must be performed with the heat shield in place Only a qualified servicer should ever remove the heat shield from the manifold assembly For further information on the yearly inspection con sult the User Manual It is recommended that a quali fied servicer inspect and service the unit at least once each year Turn the furnace on at the thermostat Wait a few min utes since any dislodged dust will alter the normal flame appearance Flames should be predominantly blue and directed into the tubes They should not be yellow They should extend directly outward from the burner ports without curling downward floating or lifting off the ports XIV Accessories and Functional Parts Accessories Additional Amana accessories can be purchased to fit specific application needs Accessories can be ordered by description in Table 5 Each accessory includes its own separate instructions Duct Transition Round Duct Transition Over Under Rooftop Curb Downflow Economizer Fresh Air Intake Barometric Relief Hood 50 F Compressor Lockout Ambient Thermostat K
11. 8 Figure 8 Typical Electrical Wiring 14 Duct systems and register sizes must be properly de signed for the C F M and external static pressure rating of the unit Ductwork should be designed in accordance with the recommended methods of Air Conditioning Con tractors of America Manual D Residential or Manual Q Commercial All ductwork exposed to the outdoors must include a weatherproof barrier and adequate insulation A duct system should be installed in accordance with Standards of the National Board of Fire Underwriters for the Installation of Air Conditioning Warm Air Heating and Ventilating Systems pamphlets No 90A and 90B The warm air supply duct from the unit through a wall fabricated of combustible material may be installed with out clearance However minimum clearances for the unit must be observed as shown in Section It is recommended that the outlet duct be provided with an access panel This access should be large enough to inspect the air chamber downstream from the heat exchanger for any smoke or combustion gas leaks A cover should be tightly attached to prevent air leaks For horizontal airflow duct flange dimensions on the unit are shown in Section Ill For vertical airflow the ductwork should be attached to the roof curb prior to installing the unit Ductwork dimen sions are shown in the Amana PRC roof curb installa tion manual If desired supply and return duct connections to t
12. BY CO CO Ny Po 5 N Table 8A 27 Outdoor Indoor PGC42 PGC48 PGC60 and PGB58 Air Temp Air Indoor Pressure Unit Indoor Pressure Unit Pons Indoor Pressure Unit at Temp Air Temp Gauge Fittings Air Temp Gauge Fittings Gauge Fittings Condenser at Evap Inlet Inlet Difference Difference Difference Dry Bulb Wet Bulb Between Total to Between Total to Between Low Total to Coil Inlet Unit Coil Inlet Unit Coil Inlet Side Unit and Outlet and Outlet and Outlet o m N 23 QIDININIQISDININ N N A N N DININ QO N R o Dv R jo N N A A CO e 1 62 z3 95 2 24 gt a N 6 5 A Columns All data based on indoor dry bulb of 80 and rated air flow As indoor dry bulb temperature increases a slight increase will occur in indoor air temperature differential between inlet and outlet Low and high side pressures and power will not change B Columns A properly operating unit should be within 3 F of the typical dry bulb value shown C Columns A properly operating unit should be within 3 PSIG of the typical value shown D Columns A properly operating unit should be within 7 PSIG of the typical value shown
13. 2 Approx Shipping Weight Ibs 521 57 520 85266 531 531 1 United States Installation 2 Specification subject to change without notice See sales specification sheets for certain BTUH capacities 3 This PGC series complies with requirements embodied in the American National Standard ANSI Z21 47 Central Furnaces 4 Filters are not supplied with units but filters must be installed in the unit filter rack or in the return air system While the above data is presented as a guide it is important to electrically connect the unit and properly size overcurrent protection and wires in accordance with the National Electrical Code and all existing local codes Operating tolerance Minus 5 on 208 VAC Plus 10 on 208 VAC and 230 VAC Minus 10 on 230 VAC Table 1B Gas Pack Specifications 3 MODEL PGB58B0902A Cooling Capacity Btuh 59500 sem 9 Condenser Fan Diameter in Blower Motor Max External a s External Fimer Sq F9 Wax Overcurrent Devis so 9 lectrical Entrance Size 114 112 2 11 4 11 2 2 114 112 2 Approx Shipping Weight uy s s 59 Table 1C Gas Pack Specifications 4 Nominal Nominal Cooling Nominal Heating Nominal Nominal Temp Speed Capacity Cooling Capacity Heating Fan Only Rise Taps MBh CFM Input CFM Y G W1 G 8
14. Class B or Class C roof covering material provided that the feet on the unit are not removed To avoid possible personal injury a safe flat sur face for service personnel should be provided If vertical air discharge is used and the unit is in stalled on combustible flooring or class A B or C roofing material then the Amana roof curb PRC3A or PRC5A listed on the unit nameplate is required General Information AQ WARNING Improper installation repair operation or maintenance of this product may result in property damage personal injury or death from hazards such as fire explo sions smoke soot condensation elec tric shock or carbon monoxide This unit is approved only for an outdoor installation To assure that your unit operates safely and efficiently it must be installed operated and maintained in accor dance with these installation and operating instructions all local building codes and ordinances or in their ab sence with the latest edition of the National Fuel Gas Code ANSI 2223 1 The heating and cooling capacities of the unit should be greater than or equal to the design heating and cooling loads of the area to be conditioned The loads should be calculated by an approved method or in accordance with ASHRAE Guide or Manual J Load Calculations published by the Air Conditioning Contractors of America Obtain from American National Standards Institute 1430 Broadway New
15. E Columns A properly operating unit should be within 2 amps of the typical value shown Table 8B 28 01313 39V130 IH 92 f 3 060895294 39vV130A IH WVHOVIO SIHL dO 01 iV SNOILONYLSNI 3 010997999 GQ1314 39vV1710A MOT 33S 1704 802 HO4 LOA OZ X04 Q3ddInO3 S 3 SO MGA MO SQv31 YOLOW 3dvl INN 3UIM ozosorosa SYOLONANOD N3dd029 3Sn Q3sn 38 157 v a ozosve29a yovla 3314 S0 SI 3HIM QVNIOIUO ANY JI ge EM 9NIOIAH3S N3HM 035 GvO8TcOS9d ama na L370IA LA 870 1Y SLIHM HM 3O9NYHO MO LVLSOWYSHL WOON NO HOLVdIOILINY 1V3H 135 NMOMG 59 MOTI3A SNOII12JNNOO 010 ONIOIAN3S 3HO438 M3JMOd 193NNOOSIO 9NINAVM SIHL 9NIOIAHJS HO 330439 V Q38IM AHOLOVj O Add 102 8011 INVLYOdWT 5 380338 3WOQ 43M0d EMEN 55344 HOIH ONINUVM l 072 807 v MOLINO 07313 130 SS3NHVH 27 t oe 2 5 827 71 130 Q OQ SSNUVH 336 Octo Or 81 04 22 04 NOI 0 AVS SOLINDI v2 Qy Nor 041N02 MOLIS 11 91 E 3ev13 O A9 12 48 6 40 ASVONO23S Q3snNn AWNIWH3L 01 Qv31 OVI HOVILY UUNNINH3I 9 M3
16. P rela tionship for proper selection of heating and cooling speeds Cooling speed should be set for about 400 CFM per ton cooling capacity Refer to the Wiring Diagram on the furnace to connect the proper wires to the correct motor leads All unused motor leads must be taped or securely covered with wire nuts Check Limit And Fan Control 1 Check limit control Figure 18 operation after 15 minutes of operation by blocking the return air grille s a After several minutes the main burners must go OFF Blower will continue to run b Remove air restrictions and main burners will re light after a cool down period of a few minutes 2 Adjust the thermostat setting below room tempera ture a Main burners must go off b Circulating Air Blower should continue to run briefly until supply air temperature drops to approximately 90 100 F Fan and limit controls are preset at the factory The con trol is set for the fan to go off at 90 100 F NOTE If necessary adjust fan ON OFF settings to ob tain satisfactory comfort level The fan comes on at ap proximately 125 F AQ WARNING To avoid personal injury property dam age fire or premature failure of the heat exchanger do not adjust the limit con trol which is set at the factory Fan and Limit Control CAUTION This unit should not be used as a struction heater during the finishing phases of construction on a new st
17. PGB58 24 When installing a new filter or reinstalling an old one always make certain the air flow arrows on the filter point in the proper direction If using the unit filter rack the airflow arrows must point toward the indoor blower To inspect the filter in the filter rack proceed as follows 1 Disconnect power to the unit 2 Locate the filter access door Figure 9 and remove the four sheet metal screws 3 Pull out the filter and inspect Clean or change as necessary 4 Insert the filter into the filter rack channels and lower into place Make sure the filter slides completely to the bottom so no part of the filter is left outside the back panel 5 Return the filter access door to its original position and secure it with the four sheet metal screws 6 Reconnect the power Maintaining Cabinet Finish Use a fine grade automotive wax on the cabinet finish to maintain the original high luster This is especially im portant in areas with high ultraviolet radiation Clean Outside Coil Qualified Servicer Only The coil with the outside air flowing over it should be inspected annually and cleaned as frequently as neces sary to keep the finned areas free of lint hair and de bris Blower Motor The air circulating blower motor bearings are perma nently lubricated Figure 21 Blower Motor and Housing NOTE Brushless Permanent Magnet BPM blower mo tors are permanently lubricated and do not have oil p
18. WARNING If the information in this manual is not followed exactly a fire or explosion may result causing property damage per sonal injury or death WARNING Do not store gasoline or other flammable vapors and liquids in the vicinity of this If you smell gas Extinguish any open flame Do not try to light appliance Do not touch any electrical switch do not use any phone in building Immediately call gas supplier from a neighbor s phone Follow gas supplier s instructions f gas supplier cannot be reached call fire depart ment AA WARNING Improper installation adjustment alter ations service or maintenance can cause property damage personal injury or death Follow all procedures in this manual For assistance or additional in formation contact a qualified installer A WARNING This product contains or produces a chemical s which may cause death or serious illness and which are known by the State of California to cause cancer birth defects or other reproductive harm AQ CAUTION This unit should not be used as a con struction heater during the finishing phases of construction on a new struc ture This type of use may result in pre mature failure of the unit due to extremely low return air temperatures and exposure to very dirty atmospheres Locating The Unit WARNING To avoid possible equipment damage
19. to actual installation thoroughly familiarize your self with this Instruction Manual Pay special atten tion to all safety warnings Often during installation or repair it is possible to place yourself in a position which is more hazardous than when the unit is in operation Remember it is your responsibility to install the product safely and to know it well enough to be able to instruct a customer in its safe use Safety is a matter of common sense a matter of think ing before acting Most dealers have a list of specific good safety practices follow them The precautions listed in this Installation Manual should not supersede existing practices but should be considered as supplemental information Affix These Installation Instructions Adjacent To The Appliance Amana May 1998 2 Fayetteville TN 37334 11073904 Unit Specifications MODEL PGC24B0452A PGC24B0702A PGC30B0702A PGC36B0702A PGC36B0902A Cooling Capacity Btuh 24 000 24 000 30 000 36 000 36 000 125 1250 1230 12o 12 00 45 000 70 000 70 000 70 000 90 000 Output Btuh 55 000 70 000 89 81 801 P 80 4 3060 3060 40 70 _ Temperature Rise t 25 3060 Numberof Burners 2 3 3 k RLAmps o rog 1 20 LRAms _ 625 625 905 905 Condenser Coil Face Area sq ft _ _ 1 123 RowsDep X 11 2 X 112 2 2 2 Po Finch
20. 3S 8 1987999 v veoeoggvosd dvi jan SNOII23NNO2J YOLOW Q38HIM AHO12VJ d3lv3H 3SVIUNVYD TIVNH3INT NOI NOI lOHMINO2O H NOILINSI 1 1 AdvONOD3S qvi 034 O3SNNN 3dYL TWNIWYAL 01 Qv31 XAM018 OY T8 HOVLLY 1 9 N3gADN AV34 NOILSDONWOS WOds Qv31 3 0 8 NOILSTSWOO 3H ININA OWNIMN3I BO 01 Ove J3HHO3SNVHi WONd S34IM ELHA 30vW 39 ISAW S3ONVHO 9NIMO T1104 1104 802 NO NOIIVi3dO H3dOMd 503 NOILVTIWISNI LIOA SOC OMIQIAM3S 38043 N3AOd 129902510 WP 1 D 29 gs lel er irae DO OOO 31 PGC 60 91315 IH 39V L1OA IH 91315 39VL1OA MOT 39VI OA day aud Mov 1858 AVHO AD HM N3399 N9 13101A LA 39NVHO HO MOTI3A 3009 40109 0 AdH 108094 LL SNIOIAH3S 340438 H3MOd 1O3NNOOSIQ O ONINHVM L OWA 80 NOLLO3NNOO 91315 1 Wvu9vId SIHL dOL LY SNOILONYLSNI 395 LIOA 802 HOS 170A 062 GAddINODA KINO SHOLONGNOD H3ddOO 5 5 LSNW ONIDIAYAS NAHM G3sn 38 LSAW S1HVd LN3W3OV 1d3H Q3AOHddVv VNVIAV SdWV 8 0 LY 1V1SOWH3HI NO HOLVdIOLLNV 1V3H 135 E ONIOIANAS 340439 H3MOd LOANNOOSIC ONINHVM LINN SIHL 9NIDIAH3S HO SNILVH3dO 340439 AVS LNVLHOdNNI 553 L 55
21. 50 930 570 PGC24B0702A 2400 850 1140 570 PGC30B0702A 30000 1100 1140 570 PGC36BO702A 36000 1300 1140 570 PGC36B0902A 3600 1300 1350 570 PGC42B0902A 42000 1450 90000 1650 815 PGC42B1152A 42000 1450 115000 1530 815 PGC48B0902A 48000 1700 90000 1650 815 PGC48B1152A 48000 1700 115000 1530 815 PGC60B0902A 60000 1750 90000 1650 815 PGC60B1352A 60000 1750 135000 1900 815 Installation is to be adjusted to obtain temperature rise within the range specified on the rating plate The temperature rise is for units installed at 0 2000 feet At higher altitudes a properly derated unit will have approximately the same temperature rise and CFM The chart is applicable for both vertical and horizontal airflow All speed tap settings are factory selected according to unit size Data shown without filters Consult filter manufacturer for pressure drop to be added Motor is constant CFM for external static pressures 0 1 to 0 8 W C Maximum External Pressure Limits PGC 24 42 0 8 W C PGC46 amp 60 1 0 Heat PGC24B0452A 2400 4500 70000 70000 70000 90000 gt AR AR oa Po NOOB Table 2A PGC Temperature Rise Table External Static Pressure Inches Water Column ee Speed CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE Hi 2160 2120 2080 41 2030 42 1990 43 1945 44 1
22. 8ADN Av 134 NOILSDEWOJ QV31 d34018 NOILShEWO3 9n idNn WNIWH3L OL IWNIWYSL OYZ Sd HOLIMS H3HHOJSNvul WO S3HIM X8 ONY Junss35d 38 5 S39NVHO 9NIMOT103 170 802 NO NOIIV33qdO 3dONd 03 NOILV IIVISNI 110A SOc 36 XVI Wiring Diagram PGC24 SNIJIANGS 340438 H3 Od 434018 802 29 PGC 42 Q I314 IH ONIOIMMGS 390239 1 IH Q1314 1 WvHOVIO SIHL 30 901 1Y SNOILINYLSNI A aa 33S LIOA 802 HOF LOA OFZ X04 AaddINOZ vcGlIgcvoogd 10A M01 KINO SHOLINGNOD u3ddO02 35 035 38 150 BYIM 3 g0 Qd32vid3d SI 3ulM ANY JI ef C s ONIOIAN3S NIHA 361 9 38 190 Sluvd Q3AONddV VNVWY ng 131014 dvi dv 1 ON 9 0 LY 7009 3lIHM HM 39NVAO 1 150 WOOY NO YOLVdIDILNV 1V3H 135 NMONG MOTTSA SNOTLOSNNOD YOLOW ONIOIAN3S 30438 Y3MOd 123NNOOSIQ ONINYVM 2003 202 ONTOTAWIS YO ONTLvaado 340439 Qv3u V O38IM ASDISVj Add 10G 801 LNVLYOdWI SNIOIAN3S 340438 dW3il 3WOQ d3MOd LO3NNOOSIQ SS3 d HOTH ONINUVM Wy Gl OVA 0 z 802 X8 X84 rna NOTI23NNCO 01313 E A MTS 17 ng I 1 9NINIM E oez 305535909 A 802 vC 4 0 1 H 3 v d v 3
23. 900 45 1835 46 PGB58B1152C Lo 1490 57 1480 58 1470 58 1460 58 1440 59 1415 60 1360 63 1280 67 Med 1750 57 1750 58 1700 59 1680 60 1650 61 1615 62 1575 63 1490 67 Lo 1490 67 1480 68 1470 68 1460 68 1440 69 1415 1360 1280 Pese perpe pesper pem er pue e PGB58B1352C NOTE 1 All airflow is dry coil 2 Installation is to be adjusted to obtain temperatures rise within the range specified on the rating plate 3 The above chart is for information only For satisfactory operation external static pressure should not exceed value shown on the rating plate The shaded area indicates in excess of maximum external static pressure allowable when heating 4 This chart is for units installed at 0 2000 feet At higher altitudes a properly derated unit will have approximately the same temperature rise at a particular CFM while ESP at that CFM will be lower 5 Cooling operation may require a different fan speed than heating operation For details see Wiring Diagrams 6 Above chart is applicable for both vertical and horizontal airflow Table 2B PGB CFM amp Temperature Rise vs External Static Pressure Table Il Safety Information Important To The Installer Before installing this unit please read this manual to fa miliarize yourself with the specific items which must be adhered
24. Amana Heating Air Conditioning A higher standard of comfort MODELS PGC 24 60 B and PGB58B Table of Contents l Unit Specifications 2 Safety Information 6 General Information 7 IV Rigging and Handling 9 V Gas PIPING 10 VI Electrical Wiring 12 Circulating Air and Filters 13 VIII Flue Vent 16 IX Condensate Drain 16 X Heating Sequence of Operations 18 Cooling Sequence of Operations 18 Startup and Adjustment 18 XIII Maintenance 24 XIV Accessories and Functional Parts 26 XV Typical Cooling Performance Data 27 XVI Wiring Diagram 29 Gas Electric Package Unit Cooling and Heating Installation Instructions A RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION ATTENTION INSTALLING PERSONNEL As a professional installer you have an obligation to know the product better than the customer This in cludes all safety precautions and related items Prior
25. CESS label to the filter access door b If you are NOT using an Amana filter kit clearly mark the filter access door FILTER ACCESS 7 Reconnect the power NOTE A clean permanent filter installed as described above will have a negligible effect on air flow Vill Flue Vent Flue Hood And Air Inlet Hood Installation The flue hood and air inlet hood are packaged in a box which is located inside the return air compartment They must be installed prior to operation of the unit See Fig ure 10 To install the flue hood cover 1 Remove the flue hood from inside the box 2 Slide the upper lip of the hood cover under the top edge of the unit 3 Attach the flue hood with two sheet metal screws To install the air inlet hood 1 Remove hood from inside box 2 Attach hood by using three sheet metal screws Figure 10 Air Inlet Hood and Flue Hood Replacing a Indoor Furnace AQ WARNING To prevent property damage personal injury or death do not vent this unit with any other appliance When an existing indoor furnace is removed from a venting system servicing other appliances the venting system may be too large to properly vent the remaining attached appliances water heater etc The following steps must be followed with each appli ance remaining connected to the common venting sys tem placed in operation while the other appliances remaining connected to the common venting system are not in operation
26. LNOO NOLLINOI 32 91915 MOT AVHO AD N3399 N9 I3 OIA LA 31IHM HM 3ONVHO HO NMOHS H8 MOTI3A 3009 40709 O0 A3H 10019111 ONIOIAH3S 340439 103NNOOSIG 909 1 zA OWA OPZZ 31040 NOLIDINNCO GEH 1gods L i T2 8 WVHDVIG SIHL JO dO LY SNOILONYLSNI 338 L1OA 802 HOS LIOA 062 HOS GaddINOA 9 SQv31Wu0 10N 3dv L ANY LAN 38IM A INO SHOLONGNOO H3ddOO 5 aas 38 LSNW 2 801 SI SHIM TVNIOIHO ANY 41 ONIOIAH3S NAHM Q3sn 38 15 S 1H vd IN3IN3OV 1d3H Q3AOHddV VNVIAV 8 0 LY ALVLSOWHYSHL NO HOLVdIOLINV LV3H 135 L ONIOIAH3S 340439 H3MOd LO3NNOOSIG ONINHVM LINN SIHL S9NIDIAB3S HO SNILVH3dO 3HOH38 QV3H LNYLYOdNI SS3Hd HOIH p Kt CJ na SNIHWIM 21 YOSSAYdNOO AV T3H Sl uo AvI3H uo n UIS IVNIIWNH3LL 92 WH ama aan SL i88sgOd 9 198999 92 MOVIE 06098899 1 01 2 79 09345 3HIMHOIOWOLSLQOH 9345 ON 130OW 09395 H3MO 18 ONIMOOO ONILWSH HOLOW SNOLLO3NNO
27. O HOLOW Q3HIM AHOLO V OZ LA wmm NVA 1299 YOLIOYdYO O n o r omc Z YOLIN TOHLNOO n NOLLINOI HOSN3S Su ANIWA Svo sa HOLIMS 3unssdud ON ON AHVOINOO3S aasnwn IVNIAH3LL OL Qv3183MO18 XOv 18 HOV LLV WNINYAL 9 YSEWAN NOLLSngINOO Qva3183MO 18 802 OL 1VNIIH3LL OpZ YSWHOISNVYL WOU S3HIM JAON 38 LSNW S3ONVHO ONIMOTIOS IHL LOA 802 NO NOIL VH3dO H3dOHd HOS NOILLVTIV ISNI LIOA 80c SNIOIAH3S 380438 H3MOd LOSNNOOSIG H3MO18 Y ano9 HOLINOI 5 N N u 6 0 1 TWNIINYSL IOH1NOO 33
28. OR ECONOMIZER 1 AND OR FILTER IF INSTALLED 5 1 12 FOR CONDENSER AIRFLOW 36 MAX Y i FOR CONDENSER DORT AIRFLOW 1 BOTTOM H BOT TON DucT o GER 111 18 FOR SERVICE ACCESS it RECOMMENDED 48 MIN FOR CONDENSER AIRFLOW AME EA ii Re Re dig A ea bI es inre eir td 54 nit Mes T 7 INSIDE CONDENSER gt 6 AIRFLOW i 4 TO COMBUSTIBLE a SURFACES Loses ee REQUIRED 12 MIN 36 FOR SERVICE ACCESS 36 MIN 9 FOR SERVICE ACCESS Figure 1 Required Clearances For All Installations Transportation Damage All units are securely packed in shipping cartons ap proved by the International Safe Transit Association The carton should be checked upon arrival for external dam age If damage is found a request for inspection by car rier agent should be made in writing immediately The unit should be carefully inspected upon arrival for damage and bolts or screws which may have loosened in transit In the event of damage the consignee should 1 Make notation on delivery receipt of any visible dam age to shipment or container 2 Notify carrier promptly and request an inspection 3 In case of concealed damage carrier should be no tified as soon as possible preferably within 5 days 4 File the claim with the following supporting docu ments within the 9 month statute of limitations a Original Bill of Lad
29. York NY 10018 Unit Size Mu p i B es OUTSIDE F Dimension 36 48 60 PO L Length 685 s 81 5 mre emm o coU qu emere mdr ML omm 3 11416 OAM REGES B 3s 33e C 1911 6 22 he BOTTOM DUCT E D 14 he 17 OPENING OPENING e RETURN SUPPLY INSIDE E 1318 17 2316 She in dial in cate gs in A AM on ee ir 3 H 7 36 908 G d 153 6 217hs H 2 2 e J 89s K 13 13 L 27 hs t 19547 17 fe x ese Sse N Height w o Rails 2813 6 35 hs pn 5 5 16 P 2316 She Eden R 1458 17 TOP VIEW 3 3 hs i T 16 2253 KNOCKOUT GROMMET DIMENSIONS Trade Size Knockouts Conduit Voltage GAS INLET EN 14 2 Line Not Used NA OUTSIDE UA T 2 Line A TA We 2 Line Ge A 1 Line A 1 Low NOTE Bottom duct openings have rounded rather 1 t than square openings If using bottom discharge duct il work should be attached to the curb prior to installing 2 1 6 the unit Ductwork dimensions are shown in 2 1 8 L 2 roof curb installation instructions FIG 2 RIGHT SIDE Az ALLOW 24 F
30. combus tion air inlet and flue outlet hoods are not blocked by debris which would prevent adequate combustion air and a properly operating vent system Replacing Or Cleaning Filter A return air filter is not supplied with this unit however there must be a means of filtering all of the return air The filter s may be located in the return air duct s re turn air filter grille s or in the filter rack in the unit Con sult with your installing dealer for the actual location of the return air filter s for your unit Dirty filters are the most common cause of inadequate heating or cooling performance Filter inspection should be made at least every two months more often if nec essary because of local conditions and usage Dirty throwaway filters should be discarded and replaced with a new clean filter Dirty permanent filters should be washed with water thoroughly dried and sprayed with a filter adhesive before being reinstalled Filter adhesives may be found at many hardware stores Permanent fil ters should last several years However should one become torn or uncleanable it should be replaced If the installation has the return air filter located in the unit filter rack and it must be replaced use the appropri ate Amana filter or a permanent filter that is properly sized as follows Model Amana Part Required Permanent Filter Size PGC24 30 or 36 C4855623 26 X20 X 1 Dur pU C4855627 32 5 8 X 22 3 8 X 1 or
31. d remain in an upright position during all rigging and moving operations To facilitate lifting and moving when a crane is used place the unit in an ad equate cable slide Important If using bottom discharge with roof curb ductwork should be attached to the curb prior to install ing the unit Ductwork dimensions are shown in Amana Roof Curb Installation Instructions Refer to the Amana Roof Curb Installation Instructions for proper curb installation Curbing must be installed in compliance with the National Roofing Contractors As sociation Manual Lower unit carefully onto roof mounting curb While rig ging unit center of gravity will cause condenser end to be lower than supply air end If using a fork lift see Figure 2 for location of fork prongs Make certain prongs support unit weight Mf ULL LLL E J FORKLIFT Figure 2 Rigging V Gas Piping IMPORTANT NOTE This furnace is factory set to oper ate on natural gas at the altitudes shown on the rating plate If operation at higher altitudes and or propane gas operation is required obtain and install the proper con version kit s before operating this furnace Failure to do so may result in unsatisfactory operation and or equip ment damage High altitude kits are for U S installa tions only The rating plate is stamped with the model number type of gas and gas input rating Make sure the furnace
32. d space until the thermostat is satisfied The compressor and outdoor fan will be de ener gized when the thermostat opens It is normal for the scroll compressor to produce a short burping sound at this time as its internal pressures are equal ized The PGC48 has a piston compressor All other PGC and PGB have scroll compressors Refrigerant will continue to flow through the capil lary tube sizes 24 to 42 until the high and low side pressures are approximately equal For the PGC48 60 and PGB58 refrigerant will continue to flow through the thermal expansion valve until the high and low side pressures are approximately 50 PSI apart The indoor fan continues to run for approximately 30 seconds after the thermostat is satisfied This allows additional cooling from the indoor coil to be transferred to the conditioned space Then the in door fan ramps down in 30 seconds to the OFF con dition Startup and Adjustment Heating Startup General Information This furnace is equipped with an electronic ignition de vice which lights the burners It also has a power vent blower to exhaust combustion products On new installations or if a major part such as the gas valve pressure switch or fan limit control has been re placed the operation of the furnace must be checked Check furnace operation as outlined in the following in structions If any sparking odors or unusual noises are encountered shut off electrical pow
33. ditions it operates at a lower power consumption than most PSC motors Within the allowable range of external static pressures the BPM motor will automatically adjust its RPM to de liver the CFM listed in the blower performance table As static pressure increases the RPM current draw and operating sound level of the motor will also increase External static pressures in excess of those listed on the nameplate may result in unsatisfactory operation equipment damage and or loss of warranty coverage The PGC B models also include a speed tap board lo cated on the blower housing The speed tap settings have been factory selected according to unit size and performance Field select taps are provided on the speed tap board to assist the final installer The ADJ tap is factory set for normal NORM operation Three LED s are provided on the speed tap board These lights indi cate to the servicer which mode of operation the motor is experiencing that is Heating W1 Fan Only G or Cooling Y and G Refer to the wiring diagram on the unit to verify speed tap settings 21 Changing Blower Speeds PGB Units AQ WARNING To avoid personal injury or death due to electric shock remove electrical power from the unit before changing speed taps on the blower motor A multi speed motor is used in the furnace blower It provides easy speed selection for both heating and cool ing air flow Section Il shows the CFM and E S
34. e rating plate NOTE Air temperature rise is the temperature differ ence between supply and return air With a properly designed system the proper amount of temperature rise will normally be obtained when the unit is operated at rated input with the recommended blower speed If the correct amount of temperature rise is not obtained it may be necessary to change the blower speed A higher blower speed will lower the temperature rise A slower blower speed will increase the temperature rise NOTE Blower speed MUST be set to give the correct air temperature rise through the furnace as marked on the rating plate Important Note If an installation uses a different blower speed for cooling than is used for heating do not set the thermostat fan switch to ON constant fan operation during the heating season without first confirming the cooling fan speed will give a temperature rise within the limits listed on the unit nameplate Temperature rises outside the limits listed could result in premature heat exchanger failure Checking External Static Pressure The total external static pressure must be checked on this unit to determine if the airflow is correct Changing Blower Speeds PGC Units WARNING To avoid personal injury or death due to electric shock remove electrical power from the unit before changing speed taps on the blower motor PGC B models include a BPM brushless permanent magnet motor Under identical con
35. e satisfactory Please refer to Figure 4 for typical propane gas instal lations First Stage 5 to 15 PSIG Pressure Regulator 20 PSI Maximum 4 200 PSIG Maximum Pressure V Figure 4 Typical Propane Piping Constant 11 W C Pressure Sizing Between First and Second Stage Regulator Maximum Propane Capacities listed are based on 2 PSIG Pressure Drop at 10 PSIG Setting Capacities in 1 000 BTU HR PIPE NOMINAL PIPE SIZE TUBING TUBING SIZE 0 D TYPE L SCHEDULE 40 LENGTH 3 8 12 5 8 3 4 18 1 2 34 10 1 730 1 700 3 200 5 300 8 300 3 200 7 500 20 500 1 100 2 200 3 700 5 800 2 200 4 200 30 400 920 2 000 2 900 4 700 1 800 4 000 40 370 850 1 700 2 700 4 100 1 600 3 700 50 330 770 1 500 2 400 3 700 1 500 3 400 60 300 700 1 300 2 200 3 300 1 300 3 100 80 260 610 1 200 1 900 2 900 1 200 2 600 100 220 540 1 000 1 700 2 600 1 000 2 300 125 200 490 900 1 400 2 300 900 2 100 150 190 430 830 1 300 2 100 830 1 900 175 170 400 780 1 200 1 900 770 1 700 200 160 380 730 1 100 1 800 20 1 500 To Convert to Capacities at 15 PSIG Settings Multiply by 1 130 To Convert to Capacities at 5 PSIG Settings Multiply by 0 879 Sizing Between Single or Second Stage Regulator and Appliance Maximum Propane Capacities Listed are Based on 1 2 W C Pressure Drop at 11 WC Setting Capacities in 1 000 BTU HR
36. e smallest dial on the meter for one complete revolution If this is a 2 cubic foot dial divide the seconds by 2 if it is a 1 cubic foot dial use the seconds as is This gives the seconds per cubic foot of gas being delivered to the furnace 3 INPUT GAS HTG VALUE x 3600 SEC PER CU BIC FOOT Example Natural gas with a heating value of 1000 BTU per cubic foot and 34 seconds per cubic foot as deter mined by Step 2 then Input 1000 x 3600 0 34 106 000 BTU per Hour NOTE BTU content of the gas should be obtained from the gas supplier This measured input must not be greater than shown on the unit rating plate 4 Relight all other appliances turned off in Step 1 above Be sure all pilot burners are operating Check Main Burner Flame Flames should be stable soft and blue dust may cause orange tips but they must not be yellow They should extend directly outward from the burner without curling floating or lifting off Check Temperature Rise Check the temperature rise through the unit by placing thermometers in supply and return air registers as close to the furnace as possible Thermometers must not be able to see the furnace heat exchangers or false read ings could be obtained 1 All registers must be open all duct dampers must be in their final fully or partially open position and the unit operated for 15 minutes before taking read ings 2 The temperature rise must be within the range speci fied on th
37. er and recheck for wiring errors or obstructions in or near the blower mo tors Various shipping materials must be removed be fore the indoor and outdoor fans can be operated Heat Anticipator Setting The heat anticipator in the room thermostat must be correctly adjusted to obtain the proper number of heat ing cycles per hour and to prevent the room tempera ture from over shooting the room thermostat setting Heat anticipator must be set at 0 8 amps Roll out Protection Control If the flames from the burners are not properly drawn into the heat exchanger a protection device will open causing the gas valve to close The protection device is located on the manifold assembly Figure 14 WARNING To avoid the risk of fire or explosion a qualified servicer must investigate the problem which caused the roll out pro tection device to open before manually resetting the device Flame Roll Out Protector Manual Reset Figure 14 Rollout Protection Shown Without Heat Shield Secondary Limit Control On the PGC and PGB series a second limit control is placed on the blower scroll that will open if the blower should fail causing elevated temperatures at the con trol The reason for elevated temperatures at the control should be ascertained and repaired prior to resetting this manual reset control The secondary limit control is lo cated behind the front center panel on the blower scroll Figu
38. ercurrent Device 30 30 35 45 45 Electrical Entrance Size o G3 xm DWG Gm Approx Shipping Weight Ib 1 United States Installation 2 Specification subject to change without notice See sales specification sheets for certain BTUH capacities 3 This PGC series complies with requirements embodied in the American National Standard ANSI Z21 47 Central Furnaces 4 Filters are not supplied with units but filters must be installed in the unit filter rack or in the return air system While the above data is presented as a guide it is important to electrically connect the unit and properly size overcurrent protection and wires in accordance with the National Electrical Code and all existing local codes Operating tolerance Minus 5 on 208 VAC Plus 10 on 208 VAC and 230 VAC Minus 10 on 230 VAC Table 1A Gas Pack Specifications MODEL PGC42B0902A PGC42B1152A PGC48B0902A PGC48B1152A PGC60B0902A PGC60B1352A Cooling Capacity Btuh 42 000 42 000 48 000 48 000 60 000 60 000 SER 1 1 122 1220 1200 1200 120 1200 Heating 70 0 0 00 9 LEE o o e InptBuh X 9000 115000 290000 115000 90000 135000 QOutputBtuh 72000 89000 72000 89000 72000 108000 ARE 814 799 814 799 814 805 Temperature Rise F 25 55 40 70 2555 4070
39. et Between Low Total to Between L Unit Coil Inlet Side and Outlet Dry Bulb Wet Bulb coiintet Side Amps 128 127 Air Temp Gauge Fittings Difference Total to Between L Unit Coil Inlet Side and Outlet E Amps Total to Unit and Outlet 12 8 N 9 91 91 19 3 19 4 19 3 19 3 18 5 18 5 18 4 4 4 12 7 o 5 5 5 5 o N 4 B 28 a EE EET zz 3 3 3 3 33 33 331 N E N 184 BELE 311 17 6 N 32 32 32 32 30 303 303 302 285 285 283 282 267 267 267 267 25 249 249 249 23 23 23 23 0 0 0 0 176 176 176 16 9 16 9 16 8 N B feed oe 34 8 58 e 5 271 1 1 1 1 3 3 2 0 5 16 2 293 293 292 256 167 25 ara 4 3 2 2 2 2 2 2 16 1 2 8 8 CEEA 125 202 2 2 161 2 9 9 9 9 7 7 7 16 1 5 5 5 5 4 2 2 2 2 303 303 302 285 285 283 282 14 267 139 267 267 EM 251 29 249 249 4 pE 2 1 8 8 88 8 7 8 8 8 8 0 2 2 2 1 4 1 1 2 15 4 15 4 7 15 4 15 4 7 14 8 8 14 8 14 8 224 143 4 14 2 9 9 9 QD NIN NI NI QD QD OD NJ NI
40. f Seconds 0 15 0 45 approx approx Figure 13A PGB Timing Chart for Normal Cooling Operation Indoor Fan Off Outdoor Fan and On Compressor Off Thermostat On Off Seconds 0 30 0 30 approx approx Figure 13B PGC Timing Chart for Normal Cooling Operation 17 e Air Blower OFF Combustion Blower OFF X Heating Sequence of Operations PGB amp PGC Normal Sequence of Operation Heating See Figure 12 1 Thermostat calls for heat The combustion blower is immediately energized The pressure switch contacts transfer The ignitor is energized and allowed to preheat for 38 seconds The gas valve is energized delivering gas to the burners and starting combustion The control checks the signal from the flame sen sor Gas flow will continue only if a proper signal is present within seven seconds after the gas valve opens As soon as flame is proven the ignitor is de energized The unit will continue to fire while the helical fan control heats up The fan control will start the main circulating air blower approximately 75 seconds af ter the gas valve opens this time may vary depend ing on the control setting The furnace will deliver heat to the conditioned space until the thermostat is satisfied The gas valve and combustion blower will be de energized when the thermostat opens There is a 90 second delay approximate before the main air blower stops T
41. fire personal injury or death the follow ing points must be observed when install ing the unit All Installations For proper flame pattern within the heat exchanger and proper condensate drainage the unit must be mounted level The unit should be as centralized as is practical with respect to the air distribution system This unit is for outdoor installation ONLY The flue outlet hood must be at least 12 inches from any opening through which flue gases could enter a building and at least three feet above any forced air inlet located within ten feet The economizer manual outdoor air intake motorized outdoor air intake and combustion air inlet mounted on the unit are not af fected by this restriction To avoid possible corrosion of the heat exchanger do not locate the unit in an area where the outdoor air i e combustion air for the unit will be frequently contaminated by compounds containing chlorine or fluorine Common sources of such compounds in clude swimming pools and chlorine bleaches paint stripper adhesives paints varnishes sealers waxes which are not yet dried and solvents used during construction and remodeling Various com mercial and industrial processes may also be sources of chlorine fluorine compounds To avoid possible illness or death of the building oc cupants do NOT locate outside air intake device economizer manual outdoor air intake motorized outdoor air intake too close
42. flue passages Cleaning Flue Passages Qualified Servicer Only 1 Shut off electric power and gas supply to the fur nace Remove burner assembly and disconnect the gas line and remove the manifold brackets from the par tition panel Remove the induced draft blower and the collector box from the partition panel Remove tube inserts and turbulators from heat ex changer The primary heat exchanger tubes can be cleaned using a round wire brush attached to a length of high grade stainless steel cable such as drain cleanout cable Attach a variable speed reversible drill to the other end of the spring cable Slowly rotate the cable with the drill and insert it into one of the primary heat exchanger tubes While reversing the drill work the cable in and out several times to obtain sufficient cleaning Repeat for each tube When all heat exchanger tubes have been cleaned replace the parts in the reverse order in which they were removed To reduce the chances of repeated fouling of the heat exchanger perform the steps listed in Startup and Adjustment Section Burners A WARNING To avoid personal injury or death due to electrical shock do not remove any internal compartment covers or attempt any adjustment Contact a qualified ser vicer at once if an abnormal flame ap pearance should develop At least once a year prior to or during the heating sea son make a visual check of the burner flames
43. gure 19 The short cycle protector is located in the blower com partment Each time the compressor shuts off for any reason the short cycle protector will open It will take about 3 to 4 minutes before the short cycle protector will reset and allow compressor startup to occur All wiring connected to the short cycle protector is 24V If the compressor cycles on the short cycle protector without cycling on any of the other compressor protec tion devices and before the call for cooling ends com mon causes include nterruption of the line voltage power e Improper thermostat installation defective thermo stat wiring or defective thermostat Rapid adjustments of the room thermostat Figure 19 Short Cycle Protector Location High Pressure Cutout Figure 20 An automatic reset high pressure control is located in the compressor discharge line See Figure 20 This control protects the unit from excessively high refriger ant pressure High pressures can result from noperative outdoor fan motor Outdoor coil restricted with debris Recirculation of hot condenser air Overcharge of refrigerant EXTERNAL COMPRESSOR PROTECTOR 24 42 ONLY Figure 20 High Pressure Protection Devices Scroll Compressors PGC 24 30 36 42 60 and PGB58 units include scroll compressors The installer and servicer should be aware of the following differences between scroll compressors and reciprocating compres
44. he unit may be made with flexible connections to reduce pos sible noise transmission Filters WARNING Never operate furnace without a filter in stalled as dust and lint will build up on internal parts resulting in loss of effi ciency equipment damage and possible fire A return air filter is not supplied with this unit however there must be a means of filtering all of the return air For your convenience this unit contains a factory in stalled filter rack If you choose to install the return air filtrer in the unit filter rack use the appropriate Amana filter kit or a permanent filter that is properly sized as follows Amana Kit Required Permanent Filter Size PFK3A1 or oan PGC24 30 or 36 PFK3A6 26 x 20 x 1 PGC42 48 60 PFK5B1 or Bj PFK5B6 32 5 8 x 22 3 8 x 1 or PGB58 The Amana filter kit includes a permanent filter door label and installation instructions PFK3A1 and PFK5B1 contain filter label and instructions for one unit PFK3A6 and PFK5B6 contain filters labels and instructions for six units Important If you will be using the Over Under Transition Kit PDTROUSA or PDTROUSA you cannot use the unit filter rack If you are using the Over Under transition kit or are sim ply choosing not to use this filter rack the filter s may be located in the return air duct s or return air filter grille s Filters installed external to the unit should be sized in acco
45. his allows any additional heat in the heat exchanger to be transferred to the conditioned space XI Cooling Sequence of Operations PGB Normal Sequence of Operations Cooling See Figure 13A 1 Thermostat calls for cooling The compressor and outdoor fan are energized Approximately 15 seconds later the fan time delay relay closes The indoor fan now begins operation The unit will deliver cooling to the conditioned space until the thermostat is satisfied The compressor and outdoor fan will be de ener gized when the thermostat opens It is normal for the scroll compressor to produce a short burping sound at this time as its internal pressures are equal ized Refrigerant will continue to flow through the capil lary tube sizes 24 to 42 until the high and low side pressures are approximately equal Refrigerant will continue to flow through the thermal expansion valve until the high and low side pressures are approxi mately 50 PSI apart The indoor fan continues to run for approximately 45 seconds after the thermostat is satisfied This allows additional cooling from the indoor coil to be transferred to the conditioned space 18 PGC Normal Sequence of Operations Cooling See Figure 13B 1 Thermostat calls for cooling The compressor in door fan and outdoor fan are energized Approximately 30 seconds later the indoor fan ramps up to full speed The unit will deliver cooling to the conditione
46. ific Gravity Gas Btuh Furnace Input Calorific Value of Gas Table 4 60 70 80 90 100 CFH Refer to Figure 3 for the general layout at the furnace The following rules apply 1 Use black iron or steel pipe and fittings for the build ing piping Use pipe joint compound on male threads only Pipe joint compound must be resistant to the action of the fuel used Use ground joint unions Install a drip leg to trap dirt and moisture before it can enter the gas valve The drip leg must be a mini mum of three inches long Use two pipe wrenches when making connection to the gas valve to keep it from turning Install a manual shut off valve in a convenient loca tion within six feet of unit between the meter and the unit Tighten all joints securely Ground Joint Union to be installed ahead of gas valve Gas Valve Manual Shut off Valve Reduce coupling h x with pipe plug to measure line gas pressure Figure 3 Proper Piping Practice Checking The Gas Piping AX CAUTION To avoid the possibility of personal in jury property damage or fire the follow ing instructions must be performed re garding gas connections and pressure testing This unit and its gas connections must be leak tested before placing in opera tion Because of the danger of explosion or fire never use a match or open flame to test for leaks Never exceed
47. ing certified copy or indemnity bond b Original paid freight bill or indemnity in lieu thereof c Original invoice or certified copy thereof showing trade and other discounts or reductions d Copy of the inspection report issued by carrier representative at the time damage is reported to the carrier The carrier is responsible for making prompt inspection of damage and for a thorough investigation of each claim The distributor or manufacturer will not accept claims from dealers for transportation damage NOTE When inspecting the unit for transportation dam age remove all packaging materials Follow local codes when disposing or recycling the packaging material Locating The Thermostat The thermostat should be mounted 5 feet above the floor on a vibration free inside wall in a room or a hallway that has good air circulation Movement of air should not be obstructed by furniture door draperies etc The thermostat should not be mounted where it will be affected by drafts hot or cold water pipes or air ducts in walls radiant heat from fire place lamps the sun television etc Consult the In struction Sheet packaged with the thermostat for mount ing instructions All units have one stage of heating and one stage of mechanical cooling Units which will have economizers may use thermostats with one or two stages of cooling IV Rigging and Handling CAUTION To prevent possible property damage the unit shoul
48. injury or fire refrigerant must be removed from both the low and the high pressure sides of the system before heat is applied Operating Instructions cooling CAUTION On PGC48 Only To avoid damage to the compressor engage the electrical dis connect switch to the compressor unit four hours prior to operating air condi tioner after the electrical disconnect is off for a prolonged period of time during vacation etc This time lapse allows the compressor crankcase to attain a proper operating temperature NOTE Mechanical cooling cannot be reliably provided at ambient temperatures below 50 F If low ambient cooling will be required a downflow economizer is avail able See Section XIV 1 Turn on the electrical power supply to the unit 2 Place the room thermostat selector switch in the COOL position or AUTO if available and if auto matic changeover from cooling to heating is desired 3 Set the room thermostat to the desired temperature 23 XIII Maintenance AQ WARNING To avoid personal injury or death due to electrical shock disconnect electrical power before performing any mainte nance Important Note Touching the ignitor body with bare fin gers rough handling or vibration could result in early ignitor failure Only a qualified servicer should ever handle the ignitor Have the furnace checked at least once a year before the heating season begins to be sure that the
49. is equipped to operate on the type of gas available INLET GAS PRESSURE Min 5 0 W C Max 10 0 W C Min 11 0 W C Max 14 0 W C Inlet Gas Pressure Must Not Exceed the Maximum Value Shown in Table 3 Table 3 The minimum supply pressure should not vary from that shown in the table above because this could prevent the furnace from having dependable ignition In addi tion gas input to the burners must not exceed the rated input shown on the rating plate Overfiring of the fur nace could result in premature heat exchanger failure High Altitude Derate US Installations Only Canadian Installations to 4500 Feet Only When this furnace is installed at altitudes above 2000 feet the furnace input must be derated 496 for each 1000 feet above sea level because the density of the air is reduced In some areas the gas supplier will derate the heating value of the gas at a rate of 4 for each 1000 feet above sea level If this is not done smaller orifices will be re quired at altitudes above 3500 feet non derated natu ral gas or 4500 feet non derated propane gas A different pressure switch will be required at altitudes more than 4000 feet above sea level This is required regardless of the heat content of the fuel used High altitude kits can be purchased depending on the altitude and usage of propane or natural gas Refer to the high altitude instruction manual included with this furnace to determine which high al
50. it Emergency Heat Relay Circuit Breaker Kit Electric Heat Kit Table 5 Accessory List Transition Kit 26 Pressure Drop of Transition Kit Table 6 Transition Kit Pressure Drop Replacement Parts 1 Refer to the description in Table 7 when ordering any of the listed functional parts Be sure to provide the fur nace model manufacturing and serial numbers with the order BPM Blower Motor PGC Blower Motor PGB Pressure Switch Hose Induced Draft Blower Time Delay Relay Blower Relay PGB Compressor Pressure Switch Contactor Flame Roll Out Switch Condenser Fan Blade High Pressure Cutout Condenser Fan Motor Compressor Time Delay Condenser Coil Gas Valve Heat Exchanger Gas Orifice Natural Evaporator Coil Gas Orifice Propane Transformer Burner Ignitor Combustion Relay Flame Sensor Blower Wheel Ignition Control Blower Housing Fan Limit Switch Speed Tap Board PGC Table 7 Functional Parts List 2 Although only functional parts are shown in Table 7 all sheet metal parts doors etc may be ordered by de scription or by referring to the Parts Manual 3 Parts are available from your Amana distributor XV Typical Cooling Performance Data Outdoor Indoor PGC24 PGC30 PGC36 Air Temp Air Indoor Pressure Unit Indoor Pressure Unit Indoor Pressure Unit at Temp Air Gauge Fittings Air Gauge Fittings Amps Condenser at Evap Difference Difference inar inl
51. lating Air and Filters Airflow Conversion Units can easily be converted from horizontal to vertical airflow delivery Units will ship from the factory ready for horizontal air flow If conversion to vertical airflow is necessary pro ceed as follows IMPORTANT Be sure to save the flue hood assembly cardboard box which is shipped in the return air com partment of the unit Remove panels from the bottom of the unit saving the mounting screws Remove insulation from outside of supply duct cover No insulation should face outside Relocate the panels on to the side of the unit se curing with the screws removed earlier The unit will deliver the same amount of air whether the airflow is vertical or horizontal For details see the fan tables on Pages 2 5 E Figure 7 Airflow Conversion Ductwork A CAUTION To avoid possible fire the cardboard shipping support located behind the supply panel must be removed before operation IMPORTANT Be sure to save the flue hood assembly which is shipped in a cardboard box in the return air compartment of the unit 13 g 2 2 5 8 per o S S c O O Q gt gt 2 58 28 gt OQ c EE S I LL 9 o8 2 O 8 o o8 zo IT zi O 5 5 59 2x gt Fo Low Voltage Entrance
52. orant in propane gas A gas detecting device is the only reliable method to de tect a propane gas leak Contact the lo cal propane supplier about installing a warning device to sound an alert if a gas leak should develop All propane gas equipment must conform to the safety standards of the National Board of Fire Underwriters See NBFU Manual 58 For satisfactory operation propane gas pressure must be 10 inch W C at the furnace manifold with all gas ap pliances in operation Maintaining proper gas pressure depends on three main factors 1 Vaporization rate which depends on a tempera ture of the liquid and b wetted surface area of the container or containers 2 Proper pressure regulation Two stage regulation is recommended from the standpoint of both cost and efficiency 3 Pressure drop in lines between regulators and be tween second stage regulator and the appliance Pipe size required will depend on length of pipe run and total load of all appliances Complete information regarding tank sizing for vapor ization recommended regulator settings and pipe siz ing is available from most regulator manufacturers and propane gas suppliers Special pipe dope must be used when assembling pip ing for this gas as it will quickly dissolve white lead or most standard commercial compounds Shellac base compounds resistant to the actions of liquefied petro leum gases such as Gasolac Static Clyde or John Crane ar
53. orts Oil cannot be added to these motors Induced Draft Motor Lubrication The induced draft motor is permanently sealed and does not require additional oiling Flame Sensor Qualified Servicer Only Under some conditions the fuel or combustion air sup ply can create a nearly invisible coating on the flame sensor This coating acts as an insulator causing a drop in the flame sensing signal If this occurs a qualified servicer should carefully clean the flame sensor with emery cloth or steel wool After cleaning the microamp signal should be in the range listed in Table 1A Figure 22 Induced Draft Motor Condenser Fan Motor Lubrication The condenser fan motor bearings are permanently lu bricated and do not require additional lubrication Remove Remove Screws 7 11212700 7 Wy AD SS 7 71 7 7 7 7 LIII LU Figure 23 Removal of Fan Motor 25 Ignitor Qualified Servicer Only If the ignitor and the surrounding air are at about 70 F and the ignitor wires are not connected to any other elec trical components the resistance of the ignitor should not exceed 200 ohms If it does the ignitor should be replaced Compressor The compressor motor is permanently lubricated and hermetically sealed It does NOT require oiling Flue Passages At the start of each heating season inspect and if nec essary clean the furnace
54. rdance with their manufacturer recommen dations If you choose to use a throwaway filter it should be sized for a maximum face velocity of 300 feet per minute Important The PGC 42 and 48 package units contain an evaporator drip pan installed on the return air side of the indoor coil If an economizer is to be installed on these units the drip pan must be removed The pan can be removed by cutting it away It will not be needed when an econo mizer is installed If filters are to be installed on these units they must be from filter kit 5 1 or PFK5B6 The filters in these kits are sized to fit with the drip pan in place Filter Installation Important When installing a filter always make certain the air flow arrows on the filter point toward the indoor blower To install a filter in the filter rack proceed as follows 1 Disconnect power to the unit 2 Locate the filter access door above the return air See Figure 9 Filter Access Door Lp ET M Figure 9 Filter Access Door 3 Remove the four 5 16 sheet metal screws and set the filter access door aside 4 Insert the filter into the filter rack channels and lower into place Make sure the filter slides completely to the bottom so no part of the filter remains outside the back panel 5 Return the filter access door to its original position and secure it with the four sheet metal screws 6 a If you are using an Amana filter kit affix the FIL TER AC
55. re 15 eT Secondary Limit Control NOTE Position of Limit Control Differs From Model to Model Figure 15 Position of Limit Control Reset After Lock out Should ignition not be achieved after three tries for any reason it will be necessary to reset the electronic igni tion module To reset it is only necessary to turn the thermostat below room temperature for thirty seconds and then reset it to the desired temperature The fur nace may also be reset after lockout by disengaging the electric disconnect switch to the furnace for thirty sec onds Operating Instructions Heating NOTE Figure 16 illustrates the proper gas valve mount ing location Flame Roll Out Protector Manual Reset Figure 16 Gas Valve Close the manual gas valve external to the furnace Turn off the electrical power supply to the furnace Set the room thermostat to its lowest possible set ting Remove the right hand door on the front of the fur nace by removing screws This furnace is equipped with an ignition device which automatically lights the burner Do NOT try to light burner by any other method Turn the gas control valve knob to the OFF position Do not force Figure 16 Wait five minutes to clear out any gas Smell for gas including near the ground This is im portant because some types of gas are heavier than air If you have waited five minutes and you do smell gas immediately follow the instruc
56. ruc ture This type of use may result in pre mature failure of the unit due to extremely low return air temperatures and exposure to very dirty atmospheres To Turn Off Unit 1 Set the thermostat to lowest setting 2 Turn off the electrical power supply to the furnace 3 Remove the right hand door on the front of the fur nace by removing screws 4 Turn the gas control valve knob to the OFF position Do not force See Figure 16 5 Close manual gas shutoff valve external to the fur nace 6 Replace the door on the unit 7 If cooling and or air circulation will be desired turn ON the electrical power Cooling Startup Compressor Protection Devices The PGC and PGB includes components which are de signed to protect the compressor against abnormal op erating conditions These include the short cycle pro tector external compressor protector PGC24 42 60 and PGB58 only and high pressure cutout These controls reset automatically Excessive cycling of the controls should be investigated before continuing operation NOTE The operation of the indoor blower will not be affected by any of the above compressor protection de vices 22 WARNING To avoid personal injury or death always disconnect electrical power before in specting or servicing the unit All com pressor protection devices reset auto matically energizing the contactor and outdoor fan Short Cycle Protector Fi
57. sors These scroll compressors include a thermostat ex ternal compressor protector mounted to the top of the compressor THIS PROTECTIVE DEVICE SHOULD NEVER BE BYPASSED FOR ANY PUR POSE Ona scroll compressor due to its inherent ability to handle liquid refrigerant a crankcase heater is not required CAUTION To avoid severe personal injury or fire refrigerant must be removed from both the low and the high pressure sides of the system before heat is applied The scroll compressors use white oil which is com patible with 3GS If the addition of oil in the field is required 3GS may be used Important Note Never close the compressor suction line to test its pumping efficiency This will seriously dam age the compressor and void its warranty The compressor may run backwards noisy opera tion for 1 or 2 seconds at shutdown This does not harm the compressor These scroll compressors have copper plated steel suction tubes If removal and reconnection becomes necessary use silfos with minimum 596 silver or sil ver braze material with flux Operating pressures and current draws may differ from standard reciprocating compressors See Sec tion XV for typical cooling performance data Reciprocating Compressor The PGC48 includes a reciprocating compressor with crankcase heater See the caution for the PGC48 be fore starting cooling operation A CAUTION To avoid severe personal
58. speci fied pressures for testing Higher pres sure may damage gas valve and cause overfiring which may result in heat fail ure This unit and shut off valve must be dis connected from the gas supply during any pressure testing of that system at test pressures in excess of 1 2 PSIG 3 48 kPa This unit must be isolated from the gas supply system by closing the manual shut off valve during any pressure test ing of the gas supply piping system at test pressures equal to or less than 1 2 PSIG 3 48 kPa A WARNING To avoid personal injury or property dam age be sure there is no open flame in the vicinity during air bleeding procedure There will be air in the gas supply line after testing for leaks on a new installation Therefore the air must be bled from the line by cracking open the ground joint union until pure gas is expelled Tighten union and wait for five minutes until all gas has been dissipated in the air Be certain there is no open flame in the vicinity during air bleeding procedure The unit is placed in operation by closing the main electrical disconnect switch for the furnace Tanks And Piping for Propane Gas Units AQ WARNING Personal Injury Hazard Failure to detect a propane gas leak could result in an explosion or fire which could cause death serious personal injury or property damage Iron oxide rust can reduce the level of od
59. t installing a warning device to warn of a gas leak Propane gas is heavier than air and any leaking gas can settle in low areas or confined areas Propane gas odorant may fade making the gas undetectable except with a warning device VI Electrical Wiring WARNING To avoid personal injury or death due to electrical shock disconnect the electri cal power before electrically connecting the unit The units are designed for operation on 60 hertz current and at voltages as shown on the rating plate All internal wiring in the unit is complete It is necessary to bring in the power supply to the contactor as shown on the unit wiring diagram which is supplied with each unit The 24V wiring must be connected between the unit control panel and the room thermostat Refer to Figure 5 for location of low voltage terminal board and Figure 6 for proper thermostat wiring Low Voltage Board Figure 5 Low Voltage Control Box Please refer to the unit wiring diagram for electrical con nections When installed the unit must be electrically grounded in accordance with local codes or in the ab sence of local codes with the latest edition of National Electrical Code ANSI NFPA No 70 WARNING To avoid death or personal injury due to electrical shock wiring to the unit must be properly grounded CAUTION To avoid personal injury or property dam age due to fire use only copper conduc tors
60. test edition of the National Fuel Gas Code ANSI 2223 1 If resizing any portion of the common venting system use the appropriate table in Appendix G in the latest edition of the National Fuel Gas Code ANSI 2223 1 IX Condensate Drain Condensate Drain Connection The evaporator condensate drain connection is 3 4 FPT Clean out the inside of the drain connection to assure good condensate water runoff before connecting drain line The drain line should have a trap on it to prevent debris insects and dirt from being drawn into the return air system Refer to Figure 11 for location A 1 mini mum head is recommended to allow draining against the negative pressure inside the unit 1 Minimum loo ain Toward DF Condensate itch Pit Drain Connection The Drain Connection Must Be The Same Size as On Unit or Larger Figure 11 Typical Condensate Drain NOTE To avoid double trapping and an overflowing drain pan soft plastic drain lines are not recommended Air Circulation Blower OFF Gas Valve OPEN CLOSED Ignitor ON OFF Pressure Switch CLOSED N O Contacts OPEN Combustion Blower ON OFF Thermostat ON OFF Seconds 0 3438 110 0 z o Ww 2 LL O 56 O g 8 5 g S o 9c 5 o 59 m TF gt i um o x 5 O Figure 12 Timing Chart for Normal Robertshaw Operation PGB amp PGC cues on Off Outdoor Fan and On Compressor Off Thermostat On Of
61. tions on Page 6 of this manual If you have waited five minutes and you do NOT smell gas turn the gas control valve knob to the ON position Figure 16 9 Replace the door on the front of the furnace 10 Open the manual gas valve external to the furnace 11 Turn on the electrical power supply to the furnace 12 Set the thermostat to desired setting NOTE There is a one minute delay between thermo stat energizing and burner firing 19 Gas Input Pressures Gas supply pressure and manifold pressure with the burners operating must be as specified on the rating plate Checking Gas Pressure Gas inlet pressure should be checked and adjusted in accordance to the type of fuel being consumed With Power And Gas Off 1 Connect a water manometer or adequate gauge to the manifold gas pressure tap of the gas valve As an alternative method inlet gas pressure can also be measured by removing the cap from the dripleg and installing a predrilled cap with a hose fitting See Figure 17 With Power And Gas On 2 Put furnace into heating cycle and turn on all other gas consuming appliances INLET GAS PRESSURE Min 5 0 W C Max 10 0 W C Min 11 0 W C Max 14 0 W C Inlet Gas Pressure Must Not Exceed the Maximum Val ues shown in Table Above If operating pressures differ from above make neces sary pressure regulator adjustments check piping size etc and or consult with local utility
62. titude components to use Adjustment of the manifold pressure to a lower pres sure reading than what is specified on the furnace name plate is not a proper derate procedure With a lower den sity of air and a lower manifold pressure at the burner orifice the orifice will not aspirate the proper amount of air into the burner This can cause incomplete combus tion of the gas flashback and possible yellow tipping 10 Gas Piping IMPORTANT NOTE To avoid possible unsatisfactory operation or equipment damage due to under firing of equipment do not undersize the natural gas propane piping from the meter tank to the furnace When sizing a trunk line as shown in Table 4 include all appliances on that line that could be operated simultaneously The rating plate is stamped with the model number type of gas and gas input rating Make sure the furnace is equipped to operate on the type of gas available The gas line installation must comply with local codes or in the absence of local codes with the latest edition of the National Fuel Gas Code ANSI Z223 1 Connecting The Gas Piping Natural Gas Natural Gas Capacity of Pipe in Cubic Feet of Gas Per Hour CFH Length of Nominal Black Pipe Size inches PipsinFee 12 1 ma 1 12 1800 1100 980 760 50 4 43 4 676 50 105 195 400 610 rca 70 560 530 84 490 100 460 Pressure 50 PSIG or less and Pressure Drop of 0 3 W C Based on 0 60 Spec
63. to an exhaust outlet gas vent termination or plumbing vent outlet For specific distances required consult local codes Allow clearances from the enclosure as shown in Figure 1 for fire protection proper operation and service access These clearances must be perma nently maintained The combustion air inlet and flue outlet hoods on the front of the unit must never be obstructed If used do not allow the economizer manual outdoor air damper motorized outdoor air damper to become blocked by snow or debris In some climates or lo cations it may be necessary to elevate the unit to avoid these problems When the unit is heating the temperature of the re turn air entering the unit must be between 50 F and 100 F Ground Level Installations Only When the unit is installed on the ground adjacent to the building a level concrete or equal base is rec ommended Prepare a base the same physical size as the unit or slightly larger and 3 inches thick The base should also be located where no run off of water from higher ground can collect in the unit The feet on the unit may not be removed Rooftop Installations Only To avoid possible property damage or personal in jury the roof must have sufficient structural strength to carry the weight of the unit s and snow or water loads as required by local codes f horizontal air delivery is used the unit may be in stalled directly on wood floors or on Class A
64. to such as maximum external static pressure to unit air temperature rise minimum or maximum CFM and motor speed connections Affix these Installation Instructions adjacent to the appliance To The Owner It is important that you complete the owner registration card and mail it today This will assist Amana in contact ing you if any service or warranty information should change in the future When completing the registration card be sure to include the Model Manufacturing and Serial Numbers plus the installation date Your warranty certificate is also supplied with the unit Read the warranty carefully and note what is covered Keep the warranty certificate in a safe place so you can find it if necessary If additional operating Instructions are required call the dealer where the purchase was made Keep this litera ture in a safe place for future reference WARNING Should overheating occur or the gas sup ply fail to shut off turn off the manual gas control valve to the furnace before shutting off the electrical supply CAUTION On PGC48 60 and PGB58 Only To avoid damage to the compressor engage the electrical disconnect switch to the com pressor unit four hours prior to operat ing air conditioner after the electrical dis connect is off for a prolonged period of time during vacation etc This time lapse allows the compressor crankcase to attain a proper operating temperature
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