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1. 9 Removing Filters from Internal Filter Rack 29 ELECTRICAL WIRING aid cedar Rainn 411 Checklist Grounding IUe e nE tte 11 Unbalanced 3 Phase Supply Veltage 12 Thermostat Low Voltage Connections 12 2 Stage Heat 1 Stage Cool Thermostat 12 Single Stage Heat inge Stage Cool Thermostat 12 Heat Anticipator a19 Cooling Configurations s1 Heating Configurations 18 BOWE SPO 13 Configuring the Fixed Speed Blower 18 Selecting Cooling Airflow 13 Selecting Heating AINON enean terres 13 0 reca tirrmo toa uraste cn orbes 14 Optional Furnace Control Board Connections 14 AF CNAME e 14 14 GAS SUPPLY amp PIPING LEAK oil High Altitude Conversion Natural 16 Propane Gas Conversio soisista 16 START UP amp ADJUSTMENTS 18 Pre Start Check List 18 Silar Up Procedure M 18 Air Circulation 18 Lighting the Appliance Verifying System Heating Verifying amp Adjusting
2. HIZIWONOD3 JYIM 8 ASSY SS3NHVH H3dWNT H3ZIWONO23 YOSNAS aad qaa MOTI3A YOSNAS 131OIA 13101 co SdH 1 35NVUO 104100 LNdNI Av uo jueseiqd 4 Use J Q31 jeubis josues eure 3 uonduoseg onsouBeig eyesuepuoo JO uedo eunsseid 20101 neg YOUME iur uedo UO Jeonpuj uedo xonis YMS einssaig 189npuI xoniS einsseigd USE 110207 3ne4 11 12229 ON uonduoseg onsouBeig 94193 e OSL 5 5 xne sed JUSIAUOD N 9JAIn2 Ud 5 sep 1ueurenbiun ze ojdui3 3ueJnoo ZH 09 5 HOA OEC 807 SSINYVH u3MO T8 1002 1V3H Snivis C HH HOLOW 83MO18 MOTI3A MOTI3A HOLIMS H L TIVH c E YDNANI HDLIMS 38155384 K IA 2 M wn LNO T10 3WVH 1MO18 14Od NO
3. pue 104 SOL 10 5 s4032npuoo s m 14 09 10476 O1 0 15 818405 09 09b OL WOSS3UdWOD 034403 40 35 lt HOLIMS 3unss3ud HOIH 3A lt lt MOTI3A JOJON uomnejedo jeuuoN ON uonduoseg onsouBeiq s1032npuoo Jaddod asn 5 104 Z BuldiAsas 32euuo2siq SALON Jeuonipuo 26e1s 5 1 z UOL S WVaDVIQ DNISIM E 5 Ton 460V 3 15 Three Phase igure F 39 Liquid Pressure psig Liquid Pressure psig 40 500 480 460 440 420 400 380 360 340 320 300 280 260 500 480 460 440 420 400 380 360 340 320 300 280 260 Charging Charts 2 TON CHARGING CHART Remove refrigerant when above curve Add refrigerant when below curve 110 115 120 95 100 105 Liquid Temperature F Figure 16 Charging Chart for 2 Ton Units 80 85 90 2 5 TON CHARGING CHART E Remov
4. 1 1 14 1 1 50 208 VOLT OPERATION SWITCH SETTINGS 0 30 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 0 90 CFM RISE 96 1 00 CFM RISE 863 102 90 95 84 89 80 84 76 80 73 76 70 73 68 71 65 68 63 66 61 63 59 61 58 59 55 56 53 53 32 slolrlol lol lol losl lolrlol lol May be electrical code D 1 Factory settings are in bold Use of any other switch setting may result in nuisance trips and should be verified for the application 2 Temperature rises in tables are approximate Actual temperature rises may vary 3 Shaded areas are not recommended or approved for proper heating operation of equipment Heat rise Btu h Input CFM AT 1 08 AT Btu h 0 95 1 08 NOTES Table 13 Blower Performance 4 amp 5 Ton 53 Gas Information CAPACITY OF BLACK IRON GAS PIPE CU FT PER HOUR FOR NATURAL GAS SPECIFIC GRAVITY 0 60 DIAMETER IN 10 20 30 4 50 60 70 80 Input To Furnace Btu hr Cubic F
5. _ May be electrical code C D or 1 Factory settings are in bold Use of any other switch setting may result in nuisance trips and should be verified for the application 2 Temperature rises in tables are approximate Actual temperature rises may vary 3 Shaded areas are not recommended or approved for proper heating operation of equipment Heat rise Btu h Input CFM AT 1 08 AT Btu h 0 95 1 08 NOTES Table 11 Blower Performance 3 Ton 46 SWITCH SETTINGS 0 30 0 R8HE X42K080XA 80 000 BTUH 34 CABINET 11 X10 BLOWER W 1 HP ECM MOTOR 230 VOLT OPERATION 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 0 90 RISE 970 74 1 00 RISE 78 72 68 64 61 58 55 53 52 50 48 E 47 45 44 43 1 0 1 0 1 0 3 0 1 0 1 0 1 0 1 0 1 _ 41 208 VOLT OPERATION SWITCH SETTINGS 0 30 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE
6. 330 HM18 MOTI3A IMYA 549 49415 3ONVHO ama N3349 aad quaseld 4 jeubis josueg euie 3 uonduoseg osouBeiq JESUBPUOD JO JUS A pe xoolg jne4 uedo uos eunsseugd Use J snonunuoo Q31 N3349 A349 MONIA amg 35NV8O qaa qaa JYIM 8 ASSY SS3NUVH Y3ZIWONOD3 YOSNAS aay aay 131OIA SdH MOTI3A 71002 1V3H Ave LNdNI 1 HOLIMS iz TWH YDNANI wnHaa LA D Y MOTI3A MOTI3A 3LIHM N3349 HAIWHOASNVHI OLNY MOTI3A HDLIMS 38155384 M 10 1164 qur uedo uedo xonis einsseid ons UOJMS einsseid jeuuoN 110007 ney 17 1033005 uonduoseg 2nsouBeiq SS3NUVH u3MO18 9JAIn2 ue 5 sep 1ueujenbiun ze o duu3 z 9 Jedno ZH 09 5 097 auvog TOYLNOD Y3MO18 SNIVIS HOLOW IMO14 NOISNVdX3 21904 1531 ayejd 295
7. SWITCH Low HIGH SWITCH LOW HIGH 52000 80 000 12514 crm use crm rise 1 T2 Ts 4 cew Rise cru RISE 57 800 ee 0 0 00 ses 55 freo ose 52 85 1 o o o ese 52 61 oss 25 57 1 ol 1 58 46 ss 1 ol a fisso 55 0 806 10 011 0 1080 as fio 53 ofa fol rs 0 1 155 51 is as 1 1 01170 22 1560 49 a az 1225 43 1 o eoe 41 47 1 975 s 1 4o ofo 7245 1660 45 roro 1 283 fo ol 705 1740 fof rose se roze 1770 22 f i s o o 1 1 41 Fijo prs raa 1525 772 reso 20 RECOMMENDED RECOMMENDED 1 1 1 1170 29 1560 1 1 1 1395 1860 nn 1895 3 TON 4 amp 5 CFM CFM LOW HIGH ne LOW HIGH HEAT HEAT HEAT HEAT 9
8. Table 21 Kit and Field Supplied Parts 1 to 1 25 Dia Through Roof Figure 24 Roof Curb for 2 5 Ton Units Itis recommended no non serviceable connections are introduced in the drain line between unit drain connection and an accessible area within the building interior Securement of the drain line to the inside surface of the roof curb is acceptable and should be made in the wood nailer area top 3 5 to avoid possible leaks or penetrations to roofing materials Cut and remove the insulation covering the 2 x 3 condensate drain passage in outer panel G only Before installing inner panel G make sure there is enough slope and there are no kinks or high spots that could trap water in the line prior to entering the warmer interior of the building where a drain trap is REQUIRED 47 Setting the Unit IMPORTANT NOTE Before hoisting and setting the unit in place the short piece of factory installed drain line located next to the unit burner section must be removed from the HX collector box drain valve to allow for passage of the condensate drain line installed with the roof curb The condensate drain valve is located in the bottom left corner of the heat exchanger collector box See Figure 25 page 49 Remove the drain line and rubber grommet located in the unit bottom pan setting the rubber grommet aside for later use Set unit in place on curb as instruc
9. 1 Factory settings are in bold Use of any other switch setting may result in nuisance trips and should verified for the application 2 Temperature rises in tables are approximate Actual temperature rises may vary 3 Shaded areas are not recommended or approved for proper heating operation of equipment Heat rise Btu h Input CFM AT 1 08 Btu h 0 95 1 08 Table 10 Blower Performance 2 amp 2 5 Ton 29 SWITCH SETTINGS 0 30 R8HE X36 080 X XA 80 000 BTUH 30 CABINET 11 X8 BLOWER W 1 HP ECM MOTOR 230 VOLT OPERATION 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1 41 41 41 1 41 41 41 1 gt 208 VOLT OPERATION SWITCH SETTINGS 0 30 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 0 90 CFM RISE 950 74 1 00 CFM RISE IgA 2 0 0 73 69 66 63 61 59 57 55 54 52 Sil 50 48 46 30 amp A AE AEA amp EAE AE NE A gt E
10. B Minimum Required _ ___ ________ Clearances to Combustibles NOTE 1 6 When coil is present on duct side NOTE 2 1 When no coil is present on duct side Figure 1 Clearance Requirements Locating the Equipment Select a solid level position preferably on a concrete slab slightly above the grade level and parallel to the home DO NOT PLACE UNIT UNDER THE HOME Overhead obstructions poorly ventilated areas and areas subject to accumulation of debris should be avoided Do not place the unit in a confined space or recessed area where discharge air from the unit to re circulate into the condenser air inlet through the coil Sufficient clearance for unobstructed airflow through the louvered control access panel and outdoor coil must be maintained in order to achieve rated performance See Figure 1 for minimum clearances to obstructions A clearance of at least 36 inches from the blower access panel and from the louvered control access panel is recommended for servicing and maintenance Where accessibility clearances are greater than minimum clearances to combustibles accessibility clearances must take preference The hot condenser air must be discharged up and away from the home and if possible in a direction with the prevailing wind If practical place the air conditioner and its ducts in an area where they will be shaded from the afternoon sun when the heat load is greatest Heating Load This unit should be siz
11. NOTE The ignitor may not ignite the gas until all air is bled from the gas line If the ignition control locks out turn the thermostat to its lowest setting and wait one minute then turn the thermostat above room temperature and the ignitor will try again to ignite the main burners This process may have to be repeated several times before the burners will ignite After the burners are lit check all gas connections for leaks again with the soap and water solution Verifying System Heating 2 Stage Heating 1 Set the thermostat to the lowest setting 2 Follow the procedures given on the operating instruction label in this manual or attached inside the louvered control access panel 3 Setthe thermostat one degree above room temperature and verify the Operating Sequence page 21 4 Verify that the compressor and outdoor fan motor are not energized 5 After determining the system is running 1 2 minutes raise the thermostat s setpoint an additional 3 4 degrees until the heating system moves into 2nd stage or high heat operating mode The gas valve will energize to high heat mode while the induced draft motor and indoor blower motor both increase in speed 6 After the unit has run for approximately five minutes set the thermostat below room temperature and verify the shutdown sequence steps 10 12 in the Operating Sequence section page 21 Verifying amp Adjusting Temperature Rise Verify the temperature rise thr
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13. Toachieve optimum performance and minimize equipment failure it is recommended that periodic maintenance be performed on this unit The ability to properly perform maintenance on this equipment requires certain tools and mechanical skills Before you install this unit The cooling load of the area to be conditioned must be calculated and a system ofthe proper capacity selected It is recommended that the area to be conditioned be completely insulated and vapor sealed Y Checkthe electrical supply and verify the power supply is adequate for unit operation Consideration should be given to availability of electric power service access noise and shade If there is any question concerning the power supply contact the local power company All units are securely packedatthe time of shipment and upon arrival should be carefully inspected for damage prior to installing the equipment at the job site Verify coil fins are straight If necessary comb fins to remove flattened or bent fins Claims for damage apparent or concealed should be filed immediately with the carrier Y Survey the job site to determine the best location for setting the unit Choose an appropriate location that minimizes the length of the supply and return air ducts Please consult your dealer for maintenance information and availability of maintenance contracts Please read all instructions before installing the unit See Note 1 See Note 2
14. Standard for Installation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B and all applicable local codes NFPA publications are available by writing to National Fire Protection Association Batterymarch Park Quincy ME 02269 or visit www NFPA org on the web Design the duct work according to Manual D by the Air Conditioning Contractors of America ACCA The ducts must be properly sized not to exceed the units maximum ESP rating at 400 SCFM per nominal ton of cooling capacity Duct work should be attached directly to the unit flanges for horizontal applications If a roof curb is installed the ducts must be attached to the curb hangers not the unit It is recommended that the outlet duct be provided with a removable access panel The opening should be accessible when the unit is installed in service and shall be sizes so that smoke or reflected light may be observed inside the casing to indicate the presence of leaks in the heat exchanger The cover for the opening shall be attached in a way that will prevent leaks If outside air is utilized as return air to the unit for ventilation or to improve indoor air quality the system must be designed so that the return air to the unit is not less than 50 F 10 C during heating operation If a combination of indoor and outdoor air is used the ducts and damper system must be designed so that the return air supply to the furnace is equal to the return ai
15. Based on velocity of 300 ft min for disposable filters Table 1 External amp Internal Filter Sizes Securing Screws CONDENSATE DRAIN Figure 4 Refrigerant Service Ports amp Air Conditioning Condensate Drain Locations Figure 5 Internal Filter Rack Location 10 ELECTRICAL WIRING WARNING ELECTRICAL 5 FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to furnace When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing A AVERTISSEMENT RISQUE DE CHOC LECTRIQUE D INCENDIE OU D EXPLOSION Le non respect des avertissements de s curit pourrait entrainer un fonctionnement dangereux de l appareil des blessures graves la mort ou des dommages mat riels Un entretein incorrect pourrait entrainer un fonctionnement dangereux de l appareil des blessures graves la mort ou des dommages mat riels Couper toute alimentation lectrique au g n rateur d air chaud avant de prod der aux travaux d entretein Au moment de l entretien des commandes tiquetez tous les fils avant de les d brancher S assurer de les raccorder correctem
16. On or 2 Stage furnace High Low Heat The fixed speed blower is configured by setting the 8 switches for heating and cooling operation located on the blower control board Use pins 1 to 4 to set the blower speed for heating and pins 5 to 8 to set the speed for cooling To determine the appropriate switch settings for your installation see Table 9 Table 10 Table 11 Table 12 amp Table 13 for heating or Table 8 for cooling See Figure 10 page 36 for switch locations NOTE For change in blower speed selection to take effect system power must be cycled off then restored after 10 seconds Selecting Cooling Airflow Switches 5 6 7 amp 8 The COOLING airflow is selected by setting switches 5 6 7 amp 8 on the motor control board Figure 10 Table 8 page 28 lists the recommended airflow values CFM and switch settings for each nominal cooling system capacity All airflows for other modes of operation are determined by these basic settings For maximum capacity generally a selection near the middle or top of the CFM range for that nominal capacity is used Factory settings are displayed in BOLD ITALICS Selecting Heating Airflow Switches 1 2 3 amp 4 The HEATING airflow is selected by setting switches 1 2 3 amp 4 on the motor control board Figure 10 Page 31 Table 9 Table 10 Table 11 Table 12 amp Table 13 list the recommended airflow values CFM and switch settings for each heat exchanger capa
17. between both guide channels of filter rack 5 Verify the top of the filter is within the channels of the rack 6 Replace access cover by sliding the top edge of panel under the lip of the unit s top panel Secure access panel by replacing the screws Removing Filters from Internal Filter Rack If Equipped 1 Remove access panel screws from return air panel Hint Loosen the unit s top panel screws near the top edge of the access panel The access panel was designed to be captured underneath the top panel 2 Remove upper filter by gently pulling filter through the access panel opening 3 Remove lower filter by lifting media to top of filter rack Remove in the same manner as described in step 2 4 Install new filter in the filter rack as described in the previous section EXTERNAL FILTER SIZES ST sue RANGE SQ IN 20 x 25 600 900 20 x 30 750 1200 25 x 25 1100 1300 24 x 30 1200 1600 18 x 24 2 required 1400 1800 20 x 25 2 required 1700 2200 INTERNAL FILTER SIZES OUTDOOR APPROXIMATE APPROXIMATE CABINET FAN FILTER SIZE AIR FLOW FILTER AREA HEIGHT DIAMETER IN X IN RANGE CFM SQ IN 2 14 25 1 12 20 and 1 16x25 2 16 25 1 12 20 and 2 10x25 2 18x25 1 12x20 and 2 12 x25 2 20x25 1 12 x20 and 2 14 x25 700 1300 900 1400 1100 1600 1300 1800
18. recommended for areas where temperatures are below 209 for extended periods of time but is also dependent on the final depth of the trench if the frost line cannot be reached The unit will operate longer and more frequently during colder weatherto help keep the trench from freezing IMPORTANT NOTE The flue condensate of this unit is slightly acidic and some local codes may require a neutralizing treatment when disposing directly into the ground Check state or local code requirements for application of this equipment and if necessary substitute limestone rock chat or lime pellets to the pit to neutralize the condensate instead of using basic rock or chat Preparing the Trench Startthe trench where the 2 vertical pipe can be installed vertically into the trench and centered under the vent tee The horizontal trench should be approximately 8 10 wide x 30 36 long with a minimum depth of 12 14 or deeper when possible to allow for proper drainage and minimize chance of freeze up The trench shoud be directed away from the unit and home with an approximate 1 12 slope To determine if the length and width for the trench is suitable refer to the optional percolation test section on page 44 Horizontal Drain Pipe Installation 1 After the trench has been dug out lay in a 3 4 rock or chat base the full length of the trench with a slight slope of 1 4 1 2 per foot Mix in 50 of the limestone rock chat or lime pellets
19. 3 Allow the cooling system to operate for several minutes and then set the temperature selector above room temperature Verify the fan and compressor cycle off with the thermostat NOTE The blower will also stop after a 60 second delay The system refrigerant charge can be checked and adjusted through the service ports provided at the front panel Use only gauge lines which have a Schrader depression device present to actuate the valve Draw a vacuum on gauge lines to remove air before attaching them to the service ports on the unit Refrigerant charging must be done by qualified personnel familiar with safe and environmentally responsible refrigerant handling procedures OPERATING SEQUENCE The operating sequences for the heating cooling and fan modes are described below Refer to the field and unit wiring diagrams Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 Heating Mode 1 On a call for 1st stage heat the thermostat closes and applies 24 VAC to terminal W1 on the control board 2 Safety Circuit Proving The control board verifies continuity through the 24VAC limit control circuit If the high temperature limit switch inducer limit and flame roll out switch are closed and both the inducer hall effect sensor and vent pressure switches are open the control board will then begin pressure switch proving If an open limit is detected the control board will energize the indoor blower motor and operate it c
20. o o 52 000 80 000 111213 1 2 3 4 rise rise 0 0 0 0 888 55 1110 68 885 62 1180 73 53 1145 61 988 so 1250 1 885 52 1180 1 0101 990 55 1320 67 o1 so 1215 58 1 1 0 1035 53 fisso 65 0011 238 49 1250 56 011 0 1080 51 1440 63 11011 0 964 47 1285 55 1 0 1 0 1125 49 1500 et 0111 0 290 46 1820 53 1 1 0 1170 47 1560 so 1 o tote 45 1355 52 1 0 1208 46 1610 57 1 1043 44 1390 50 0 1 1245 45 1660 55 110101 1480 49 1 0 1 1283 44 1710 54 o 1 o 1 tt10 41 1480 1 0 1 1305 43 1740 53 RECOMMENDED RECOMMENDED 011 1144 40 1525 46 1 1 0 1 1328 42 1770 52 AIRFLOW AIRFLOW 11 81 1575 45 1 1 1350 41 1800 51 110111 219 1625 43 01111 1 1256 se 1675 42 5 1 Factory settings bold italicized Use of any other switch setting may result in nuisance trips and should be verified for the application 2 Temperature rises in tables are approximate Actual temperature rises may vary 3 Shaded areas are no
21. see page 5 GROUND LEVEL INSTALLATION y ACCESSORY ROOF CURB Figure 3 Ground amp Rooftop Installation Ground Level Ground level installations must be located according to local building codes or ordinances andthese requirements Clearances must be in accordance with those shown in Figure 1 page 5 A suitable mounting pad must be provided and be separate from the building foundation The pad must be level to ensure proper condensate disposal and strong enough to support the unit s weight The slab height must be a minimum of 2 5cm above grade and with adequate drainage See Figure 3 Remove and discard the horizontal Supply and Return duct covers located on the rear of the unit Form duct attachment flanges by bending the sheet metal outward 90 degrees along the perforated lines Firmly attach ductwork directly to these flanges with Screws or other approved mechanical connections and not to the Supply Return air panels to avoid damage to internal components of the equipment Use approved duct sealing methods to ensure an air and watertight seal is achieved Rooftop Rooftop installations must be located according to local building codes or ordinances and these requirements The roof must be capable of handling the weight of the unit Reinforce the roof if necessary For unit weights see Table 7 page 27 The appropriate accessory roof curb must be installed prior to unit instal
22. A HEAT EXCHANGER CONDENSATE DRAIN amp VENT KIT HORIZONTAL MOUNT APPLICATIONS 43 iors E aad A aan 43 Vent Pipe amp Drain Hose Assembly 43 Vertical Drain Pit Method 43 Preparing the Percolation Test Optional Vertical Drain Pipe Installation Horizontal Drain Trench Method Preparing the Trench Horizontal Drain Pipe Installation Completing the Vent Installation 45 APPENDIX B HEAT EXCHANGER CONDENSATE DRAIN amp VENT KIT ROOF CURB MOUNT APPLICATIONS About the iue eic as cst etre io rS cera ean Before Setting unit on the phi iir ete TCR UE Completing the Heat Exchanger Condensate Drain Installation 48 Completing the Vent Pipe Installation and Assembly AB INSTALLATION PERFORMANCE CHECK LIST IMPORTANT SAFETY INFORMATION Please read all instructions before servicing this equipment Pay attention to all safety warnings and any other special notes highlighted in the manual Safety markings are used frequently throughout this manual to designate a degree or level of seriousness and should not be ignored WARNING indicates a potentially hazardous situation that if not avoided could result in personal injury or death CAUTION indicates a potentially hazardous situation that if not avoided may result in minor
23. B upper door if two door model Figure 1 10 Turn on all electrical power to the appliance 11 Turn the thermostat to a desired setting 12 If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier SWITCH INTERRUPTEUR 1 ATTENTION Lire d abord la liste des mesures de s curit ci dessus 2 Mettre le thermostat la position minimale 3 Couper le courant lectrique qui l appareil 4 Cet appareil m nager tant dot d un syst me d allumage automatique ne pas essayer d allumer le br leur manuellement 5 Retirer le panneau volet d acc s de commande panneau sup rieur s il s agit d un mod le deux panneaux 6 R glez l interrupteur de commande du gaz la position OFF voir Figure 1 7 Attendre cinq 5 minutes pour s assurer de la dissipation du gaz m En cas d odeur ARRETER LE PROCEDE Suivre les instructions ci dessus Section B En l absence de toute odeur de gaz avancer l tape suivante 8 R glez l interrupteur de commande du gaz la position ON voir Figure 1 9 Remettre le panneau volet d acc s de commande en place panneau sup rieur s il s agit d un mod le deux panneaux 10 Rebrancher l appareil sur le r seau lectrique 11 Ajuster le thermostat la position d sir e 12 Si l appareil ne fonctionne pas suivre les Directives d arr t cide
24. B BEFORE OPERATING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or move by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water A Cet appareil m nager n a pas de veilleuse Il est dot d un syst me d allumage automatique Ne pas essayer d allumer le br leur manuellement B AVANT L USAGE Attention une possible odeur de gaz surtout au niveau du plancher o les gaz les plus lourds ont la tendance de se concentrer EN CAS D ODEUR DE GAZ Ne mettre en marche aucun appareil lectrique Ne toucher aucun commutateur lectrique ne pas employer le t l phone Quitter le b timent imm diatement et averti
25. CONDENSING COIL Figure 8 Unit Dimensions 7 03 6 53 L_5 40 ELECTRIC SUPPLY 2 03 ENTRY 1 25 DIA LOW VOLTAGE 0 875 DIA 3 3 PHASE SIDE VIEW MODEL ONLY BLOWER ACCESS 3 PHASE MODELS E NE VENT ASSEMBLY 28 25 65 DOWNFLOW APPLICATION 25 15 GAS SUPPLY 14 82 po 2C 5 OO 2 03 pet ELECTRIC SUPPLY ENTRY 1 25 DIA CONDENSATE DRAIN AND LOW VOLTAGE VENT ASSEMBLY ENTRY 0 875 DIA HORIZONTAL APPLICATION BLOWER ACCESS SIDE VIEW SINGLE PHASE MODELS 28 25 65 14 82 E Figure 8 Continued 4 2 03 47 50 CENTER OF GRAVITY UNIT DIMENSIONS INCHES MODEL UNIT SHIPPING WEIGHT WEIGHT A B NUMBER R8HE PPG3HE HEIGHT WITH HEIGHT WITHOUT BASE RAILS BASE RAILS LENGTH X24K060XA X30K060XA SINGLE PHASE X36K080XA MODELS X42K080XA X48K096XA X60K096XA R8HE X36C080X R8HE X36D080X 3 PHASE R8HE X48C096X MODELS R8HE X48D096X R8HE X60C096X R8HE X60D096X Table 7 Center of Gravity amp Shipping Weights 27 Airflow Information SWITCH SWITCH 2 amp 2 5 TON 3 5 TON SETTING RECOMMENDED SETTING RECOMMENDED CFM CFM AIRFLOW AIRFLOW
26. Handbook Electrical Connections US National Electrical Code NEC ANSI NFPA 70 CANADA Canadian Electrical Code CSA C22 1 Gas Piping amp Gas Pipe Pressure Testing US NFGC and National Plumbing Codes CANADA NSCNGPIC General Installation US Currentedition ofthe NFGC andthe NFPA 90B For copies contactthe National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 or American Gas Association 400 N Capitol N W Washington DC 20001 or www NFPA org CANADA NSCNGPIC For a copy contact Standard Sales CSA International 178 Rexdale Boulevard Etobicoke Toronto Ontario M9W 1R3 Canada Safety US NFGC NFPA 54 1999 ANSI Z223 1 and the Installation Standards Warm Air Heating and Air Conditioning Systems ANSI NFPA 90B e CANADA CAN CGA B149 1 and 2 MOO National Standard of Canada NSCNGPIC GENERAL INFORMATION This Single Package Gas Heating Electric Cooling Unit is designed for outdoor rooftop or ground level slab installations and can be readily connected to the duct system of a home or building This unit has been tested for capacity and efficiency in accordance with AHRI standards and will provide many years of safe and dependable comfort providing it is properly installed and maintained With regular maintenance this unit will operate satisfactorily year after year Abuse improper use and or improper maintenance can shorten the life of the appliance and create unsafe hazards
27. Length Length is approximately 16 Regional Frost Line Depth for unit on standard 2 concrete pad NOTE For a trench style drain installation page 3 you will also need 4 x36 min corrugated flexible pipe w drain holes a 2 x4 PVC reducer 4 corrugated piping connection 2 x90 degree PVC elbow and 4 filtration Sleeve or permeable barrier material Not Shown 40 80 Lb Rock or chat Limestone rock or lime pellets if required by local code for neutralizing the condensate when disposing into the ground Not Shown PVC Solvent Cleaner and Pipe Cement Not Shown Table 19 Parts List 43 NOTE TO INSTALLER READ THIS BEFORE YOU DIG Before you begin digging the pit for the condensate drain line assembly you may need to call to find out where underground electric gas or other utilities are located Some state laws require that a locate request be placed at least three 3 working days prior to any digging projects The utilities should respondto your request by marking the approximate location of their utilities or notifying you that they have no utilities in your dig site area After confirming utility response you can then proceed with your excavation avoiding damages Preparing the pit After pit location has been determined the condensate drain pit must be prepared for installation of the vertical 2 PVC vent pipe and insulated drain hose assembly If desired remove any sod and top soil prior to digging
28. Table 8 Cooling Airflow Setting 28 Table 9 Heating Airflow Settings 28 Table 10 Blower Performance 2 amp 2 5 Ton 89 Table 11 Blower Performance 30 Table 12 Blower Performance 3 5 Ton Table 13 Blower Performance 4 amp 5 32 Gas Information 33 Table 14 Gas Pipe Capacities NC Table 15 Gas Flow Rates 33 Figure 9 Gas Valve Label 84 Electrical Data 35 Table 16 Electrical Data Table 17 Copper Wire Size 18 Thermostat Wire Gauge pe 10 Two Stage Heating Single Stage Cooling __ CON QUIEN cis te icd 36 Figure 11 Fixed Speed Motor Control Board 86 Figure 12 Ignition Control Board 624817 36 Wiring assistien we 37 Figure 13 Single Phase 2 5 208 230V i Figure 14 Three Phase 3 5 Ton 208 230V Figure 15 Three Phase 3 5 Ton 460V Charging Charts Figure 16 Charging Chart for 2 Ton Units Figure 17 Charging Chart for 2 5 Ton Units 40 Figure 18 Charging Chart for Ton 41 Figure 19 Charging Chart for 3 5 Ton Units 41 Figure 20 Charging Chart for 4 Ton 42 Figure 21 Charging Chart for 5 Ton 42 APPENDIX
29. below curve 70 75 80 85 90 95 100 105 110 115 120 125 130 Liquid Temperature Figure 21 Charging Chart for 5 Ton Units APPENDIX A HEAT EXCHANGER CONDENSATE DRAIN amp VENT KIT HORIZONTAL MOUNT APPLICATIONS A WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnectall electrical power to the equipment When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing About the Kit This Condensate Drain and Vent Kit P N 922323 is available for purchase as an accessory item for series condensing style package gas electric units These instructions may be used to properly field install a heat exchanger condensate disposal and venting system Table 19is adetailed listing ofthe components that will be needed to properly connect the heat exchanger condensate drain and vent system if the kit is not being used Vent Pipe amp Drain Hose Assembly 1 Connect the horizontal 13 25 x 2 PVC pipe supplied with the unit to the inducer motor rubber coupler and secure using 3 hose clamp provided NOTE A horizontal pipe length up to 18 is approved if pit location circumstances require it to be further from the unit and p
30. connect the other side to the DEHUM terminal on the blower control board Wire the humidistat to close on rise in humidity For dehumidification the DEHUM input on the FSHE board Figure 11 page 36 can be used to control this function If the DEHUM input is active and the unit is operating the blower CFM is 7596 of cooling for the operating speed Fan Mode 1 On a call for fan only operation the thermostat applies 24 VAC to the G terminal connected to the G terminal of the integrated control 2 The circulating blower is energized immediately and will operate approximately 50 of the selected airflow when no call for hegating or cooling is present NOTE If a call for heat occurs the circulating blower de energizes prior to normal heating cycle COMPONENT FUNCTIONS Flame Roll Out Control The flame roll out control acts to verify that the burner flame is being drawn into the heat exchanger tubes If the burner flame is not being drawn into the heat exchanger tubes the roll out control will open within several seconds and the integrated control diagnostic light will flash one time The circulating air blower and combustion blower will continue to operate if the flame roll out control opens Flame Sensor The flame sensor acts to prove that flame has carried over from the ignitor to the right most burner If no flame is sensed the unit will be shut down automatically Gas Valve The gas valve controls the flow of gas to t
31. for later use at end of installation Vertical pit should be approximately 12 14 in diameter or larger for installation of the rock base and vertical piping system to allow for proper drainage with a depth of 4 6 below the regional frost line if possible See Figure 22 page 46 Percolation Test Optional A simple percolation test not required can be performed to aide in determining if the diameter and depth for the pit is suitable It will allow you to simply observe how quickly a known volume of water dissipates into the subsoil of a drilled hole of known surface area In general sandy soil will absorb more water than soil with a high concentration of clay or where the water table is close to the surface 1 UsingTable 20 identify the approximate volume of water being produced for the equipment being installed 2 Pour a volume V of water large enough into the hole capable of measuring the height V X x Steagy state Disposal Rate Example For 5 Tube 100 000 BTU if X24 then water volume V 4 x 0 55 GPH 2 20 Gallons 3 Immediately measure the water level depth at the start of the test Y1Start and then again after one hour Y2Final NOTE The pit water level height change should be greater than or equal to the disposal rate height change or you may wantto widen or deepen the hole if possible Pit Water Level Height Change Y1Start Y2Final should be greater than or equal to Disposal Rate He
32. is listed with AHRI Residential Furnaces DOE 10 CFR Part 430 Single Phase Models Only X Q Cr LISTE GAS SYSTEM Gas p YES Gas Type circle one Gas pipe connections leak tested Heating Input 1 rrr Btuh Supply Air Temperature se Return Air Temperature sus F Temperature ten ro Pe ec n F During Unit Operation High Fire Manifold pressure in REFRIGERATION SYSTEM Was unit given 24 hr warm up period for crankcase heaters if equipped YES Stage 1 Liquid Pressure high side Stage 1 Suction Pressure low side ATTENTION INSTALLERS It is your responsibility to know this product better than your customer This includes being able to install the product according to strict safety guidelines and instructing the customer on how to operate and maintain the equipment for the life of the product Safety should always be the deciding factor when installing this product and using common sense plays an important role as well Pay attention to all safety warnings and any other special notes highlighted in the manual Improper installation of the unit or failure to follow safety warnings could result in serious injury death or property damage These instructions are primarily intended to assist qualified individuals experienced in the proper installation of this appliance Some local codes require licensed installation
33. or moderate injury or property damage WARNING ELECTRICAL SHOCK FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Beforeservicing disconnectallelectrical power to the unit When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing WARNING These units are fully charged with R 410A refrigerant and ready for installation When a system is installed according to these instructions no refrigerant charging is required If repairs make it necessary for evacuation and charging it should only be attempted by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnel to service this type of equipment Under no circumstances should the homeowner attempt to install and or service this equipment Failure to comply with this warning could result in equipment damage personal injury or death A WARNING Do not place combustible material on or against the unit cabinet Do not place combustible materials including gasoline and any other flammable vapors and liquids in the vicinity of the unit WARNING PROPOSITION 65 WARNING This product contains fiberglass insulation Disturbing the insulat
34. vent system 6 Install the 2 1 2 U Bolt to support bracket using nuts provided in kit to secure the vent assembly to the unit 45 JOINTS A amp CAN MECHANICALLY FASTENED a USING STANDARD 1 2 LONG SCREWS THIS WILL MAKE DISASSEMBLY EASIER FOR FUTURE CLEANING OR INSPECTION OF THE VENT AND DRAIN SYSTEM 4 JOINT B DRAIN HOSE amp INSULATION 2 PAD OUTER 2 PVC PIPE z FIELD SUPPIED JOINT A a GRADE LEVEL GRADE LEVEL MIXTURE DRAIN HOSE TO END U Y OF 2 PVC CLEARANCE 4 3 4 6 OR DEEPER ROCK BASE 12 14 i 2 3 ROCK BASE FT OR GREATER BELOW 2 PVC PIPE ROCK DIRT Figure 22 Condensate Disposal Using A Vertical Drainage Pit JOINTS A amp B CAN BE MECHANICALLY FASTENED USING STANDARD 1 2 LONG SCREWS THIS WILL MAKE DISASSEMBLY EASIER FOR FUTURE CLEANING OR INSPECTION OF THE VENT AND DRAIN SYSTEM 4 JOINT B CLOSE OFF END OF 4 PIPE WITH PLASTIC CAP END OF FILTRATION SLEEVE OR PERMEABLE BARRIER MATERIAL JOINT 2 PA
35. 0 or in Canada the Canadian Electric Code Part 1 CSA C 22 1 The installer must comply with all local codes and regulations which govern the installation of this type of equipment Local codes and regulations take precedence over any recommendations contained in these instructions Consult local building codes and the National Electrical Code ANSI CI for specialinstallation requirements This equipment contains liquid and gaseous refrigerant under high pressure Installation or servicing should only be performed by qualified trained personnel thoroughly familiar with this type equipment Install this unit only in a location and position as specified on page 5 This unit is designed only for outdoor installations and should be located with consideration of minimizing the length of the supply and return ducts Consideration should also be given to the accessibility of fuel electric power service access noise shade and drainage for the units heat exchanger condensate drainage pit Air Ducts must be installed in accordance with the standards of the National Fire Protection Association Standards for Installation of Air Conditioning and Ventilation Systems NFPA 904A Standard for Installation of Residence Type Warm Air Heating and Air Conditioning Systems NFPA 90B these instructions and all applicable local codes See page 7 for additional information Consult Table 8 page 28 Table 9 page 28 Table 10 page 29 Table 11 p
36. 15 page 39 Inspect the factory wiring connections and make sure they didn t loosen during shipping or installation GAS SUPPLY amp PIPING WARNING FIRE OR EXPLOSION HAZARD e Failure to follow safety warnings exactly could result in serious injury or property damage e Installation and service must be performed by a qualified installer service agency or the gas supplier e Donotstore 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 Do not try to light any appliance Donottouch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f yu cannot reach your gas supplier call the fire department AVERTISSEMENT RISQUE D INCENDIE OU D EXPLOSION Lenon respectdes avertissements de s curit pourrait entrainer des blessures graves la mort ou des dommages mat riels L installation et l entretien doivent tre effectu s par un installateur qualifi un organisme de service ou le fournisseur de gazstaller service agency orthe gas supplier Ne pas entreposer ni utiliser de l essence ni d autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ni de tout autre appareil QUE FAIRE S IL Y A UNE ODEUR DE GAZ Ne pas tenter d allumer aucun appareil Ne tou
37. 208 230 1 60 THREE PHASE MODELS MODEL NUMBER R8HE HEATING INPUT BTUH HIGH 80 000 INDUCER MOTOR NOMINAL R8HE X36C080X LOW 52 000 RLA VOLTAGE RANGE COMPRESSOR ELECTRICAL SUPPLY 208 230 3 60 MIN MAX LRA BLOWER MOTOR AMPS MINIMUM CIRCUIT AMPACITY MAXIMUM OVER CURRENT PROTECTION HIGH 80 000 R8HE X36D080X LOW 52 000 460 3 60 HIGH 96 000 R8HE X48C096X LOW 62 400 208 230 3 60 HIGH 96 000 R8HE X48D096X LOW 62 400 460 3 60 HIGH 96 000 R8HE X60C096X LOW 62 400 208 230 3 60 R8HE X60D096X HIGH 96 000 LOW 62 400 460 3 60 NOTES Locked Rotor Amps RLA Rated Load Amps Table 16 Electrical Data COPPER WIRE SIZE AWG 1 VOLTAGE DROP SUPPLY WIRE LENGTH FEET 150 100 E o 50 SUPPLY CIRCUIT AMPACITY mj mj m o o 25 5 5lo 05 OO NOTE Wire Size based for 60 type conductors Table 17 Copper Wire Size 5 0 THERMOSTAT WIRE GAUGE RECOMMENDED T STAT WIRE LENGTH UNIT TO T STAT 2 WIRE HEATING 5 WIRE HEATING COOLING Table 18 Thermostat Wire Gauge 35 Electrical Diagrams THERMOSTAT TERMINA
38. 6 Using two wrenches separate the ground joint union in the gas supply piping at the unit 7 Remove the piping between the gas valve and the ground joint union if applicable 8 Remove all screws securing the burner assembly to the unit 9 Carefully remove the burner assembly from the unit DO NOT DAMAGETHE IGNITER WHILE REMOVING THE BURNER ASSEMBLY 10 Inspect the burners for accumulated dust or debris If necessary carefully clean them with a soft wire brush and a vacuum cleaner DO NOT DAMAGE THE IGNITER WHILE CLEANING THE BURNER 11 Replace all the parts in reverse order from which they were removed 12 Follow the lighting instructions found on the lower unit door to return the unit to operation 13 Verify proper operation after servicing REPLACEMENT PARTS Replacement parts are available through all Nordyne distributors Please have the complete model and serial number of the unit when ordering replacement parts ELECTRICAL e Blower Control Board e Ignitors Flame Sensors e Capacitors e Pressure Switches e Compressors e Relays e Contactors e Temperature Limit Switches e Gas Valves e Thermostats e Hall Effect Sensor e Time Delay Relays e Ignition Controls e Transformers MOTORS e Blower Motor e Fan Motor e Inducer Blower Motor COMPONENTS Blower Assembly Fan Grille Burner Manifold e Filter Driers Burners Orifices e Gaskets Cabinet Panels Expansion Valves Heat Exchanger TROUBLESHOOTING Cooling Mode I
39. CFM RISE CFM RISE 0 90 CFM RISE 78 1 00 CFM RISE 863 83 1 1 1 1 1 1 1 1 1 1 1 1 1 1 41 1 May be electrical code D 1 Factory settings are in bold Use of any other switch setting may result in nuisance trips and should be verified for the application 2 Temperature rises in tables are approximate Actual temperature rises may vary 3 Shaded areas are not recommended or approved for proper heating operation of equipment Heat rise Btu h Input CFM AT 1 08 AT Btu h 0 95 1 08 NOTES Table 12 Blower Performance 3 5 Ton 31 SWITCH SETTINGS 0 30 X48 096 X amp X60 096 X XA 96 000 BTUH 38 42 CABINET 11 10 BLOWER W 1 HP ECM MOTOR 230 VOLT OPERATION 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 0 90 RISE 970 91 1 00 RISE 96 89 84 78 75 68 66 64 61 59 58 56 54 53 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 31 41 1
40. D GRADE LEVEL GRADE LEVEL BACK FILL NOTE SLOPE 1 12 IF POSSIBLE FOR TRENCH AND 1 4 1 2 12 FOR 4 PIPE PIPE 21 DRAIN ROCK BASE SEE NOTE 30 36 Figure 23 Condensate Disposal Using A Horizontal Drainage Trench 46 APPENDIX B EXCHANGER CONDENSATE DRAIN amp VENT KIT ROOF CURB MOUNT APPLICATIONS A WARNING ELECTRICAL 5 FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Beforeservicing disconnectallelectrical power to the equipment When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after servicing About the Kit This accessory kit is for use with 2 5 Ton 9596 condensing style package gas electric unit roof curb mount installations for proper heat exchanger condensate disposal and venting Table 21 is a detailed listing of the components in the drain and vent kit to allow the heat exchanger condensate line to pass through the roof Please check the contents of the kit with that of the parts listing and familiarize yourself with each component Before Setting unit on the Curb IMPORTANT NOTICE TO INSTALLER When setting the roof curb f
41. EHUM output of the humidistat must be setto be normally open and closed when there is a call for dehumidification If a humidistat is not available it is an acceptable option to directly jumper the R amp DEHUM on the blower control board NOTE This option will always operate the blower at 75 the rated airflow for the first 10 minutes of every cooling cycle no matter what the humidity level of the home is See Figure 10 14 A CAUTION To avoid personal injury or property damage make sure the motor leads do not come into contact with any uninsulated metal components of the unit Optional Furnace Control Board Connections Electronic Air Cleaner The furnace control board provides output terminals for an optional electronic air cleaner EAC that can be installed in the return air duct of your system The EAC output is energized any time the HEAT or COOL blower speed is energized Control ratings are 1 0 Amp 240 VAC Output connections are made via board terminals labeled EAC and NEUTRAL Humidifier The furnace control board provides output terminals for an optional humidifier HUM that can be installed on your system The HUM output is energized any time the furnace inducer motor is energized Control ratings are 1 0 Amp 240 VAC Output connections are made via board terminals labeled HUM and NEUTRAL Check all factory wiring to the proper unit wiring diagram Figure 13 page 37 Figure 14 page 38 amp Figure
42. FF and set the fan mode to ON Blower should run continuously Check the air delivery at the supply registers and adjust register openings for balanced air distribution Examine ductwork for leaks or obstruction if insufficient air is detected Set the thermostat fan mode to AUTO The blower should stop running 18 NOTE When FAN ONis selected the blower will operate at 50 of selected airflow when call for heating or cooling is present Lighting the Appliance WARNING FIRE OR EXPLOSION HAZARD Failuretofollow safety warnings exactly could result in serious injury or property damage nstallation and service must be performed by a qualified installer service agency or the gas supplier Donotstoreorusegasolineorotherflammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f yu cannot reach your gas supplier call the fire department A AVERTISSEMENT RISQUE D INCENDIE OU D EXPLOSION Lenon respectdes avertissements de s curit pourrait entrainer des blessures graves la mort ou des dommages mat riels L installation et l entretien doivent tre effectu s par un installateur qualifi un o
43. ISNVdX3 1904 1531 L 84 Agoz uo e ejd dei 80 104 juo 5 AOET 807 101 9 Gunes 225 10 4 14 pues 104 S SOL 10 9 qe1ins SJOJINPUOD 95 59 1 109 OV 115 3937 5 YAMOd 09 0 80 OL I WuOSS3udWOD 2 p _ _ _ HOLDVINOD 034403 an 35 HDLIMS 3ufiss3ud HOIH 5 ON uonduoseg onsouBeiq 1 0 OS suiejsKs uo e qeiins JON s1o32npuoo Jaddod asn suon euuoo Ajddns 104 72 5 58 L SALON Jeuonipuo 5 z UOL WV49VIQ DNISIM 208 230V 5 Ton 3 14 Three Phase igure F 38 1 62 10 OV8ELLZ HOLINOI MOTI3A 3ZIWONOD3 YOLOW a HIWHOISNVEL WOD Coez 802 Ave TOULNOD 549
44. L STRIP GREEN Blower Auto or Continuous ON BLACK Optional 8 24VAC Common NOT USED 4 L WHITE w1 157 Stage Heat RED R 24VAC NOT USED 02 NOT USED 4 E NOT USED YELLOW v1 157 Stage Cool BROWN w2 2 Stage Heat DEHUM To Blower Control Board Optional 36 Figure 10 Two Stage Heating Single Stage Cooling Configuration TEST PORT 000000 M EXPANSION PORT C R QUE DEHUM Y1 TWIN NOT USED FAN SPEED CY 0 HEAT COOL STATUS BLOWER MOTOR Figure 11 Fixed Speed Motor Control Board o o 180 YELLOW FLAME DELAY ere EXPANSION PORT GREEN RED NEUTRALS THERMOSTAT CONNECTIONS DOO OOO 3 AMP FUSE Figure 12 Ignition Control Board 624817 iagrams D iring EL SL LL V8LELLZ seoejdeu My KE HOLINOI YOLOW ALON 33S lOHINOO Svo viaa H3ZINONO93 8 ASSY 55 4 YAZINO
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46. R8HE PPG3HE SERIES 14 SEER 95 AFUE INSTALLATION INSTRUCTIONS SINGLE PACKAGE GAS HEATING ELECTRIC COOLING 3 PHASE amp SINGLE PHASE REVISION A HORIZONTAL MOUNT SHOWN WARNING AVERTISSEMENT FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Installation and service must be performed by a qualified installer service agency or the gas supplier 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 Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neighbors phone Follow the gas suppliers instructions f you cannot reach your gas supplier call the fire department RISQUE D INCENDIE OU D EXPLOSION Le non respect des avertissements de s curit pourrait entrainer des blessures graves la mort ou des dommages mat riels L installation et l entretien doivent tre effectu s par un installateur qualifi un organisme de service ou le fournisseur de gazstaller service agency or the gas supplier Ne pas entreposer ni utiliser de l essence ni d autres vapeurs ouliquides inflammables dans le voisinage de cet appareil ni de tout autre appareil QUE FAIRE S IL Y A UNE ODEUR DE GAZ N
47. RE ORIFICE MANIFOLD PRESSURE Table 3 Manifold Pressure Setting in WC for Natural Gas ALTITUDE ABOVE SEA LEVEL GAS N 4 3 000 TO 4 999 FT 5 000 TO 5 999 FT 8 000 TO 10 000 FT VALVE SETTING May be electrical code C D or Table 4 Manifold Pressure Setting in WC amp Orifice Size for LP Gas ORIFICE MANIFOLD PRESSURE SIZE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE e o ORIFICE MANIFOLD PRESSURE SIZE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE 17 START UP amp ADJUSTMENTS Pre Start Check List Verify the unitis level and allows evaporator condensate to drain Y Verify heat exchanger condensate drain and vent kit have been installed according to the instructions included with horizontal kit 922323 or downflow kit 922485 or as described in the Appendix section page 43 Verify all clearance requirements are met and there is free airflow to and from the outdoor coil Verify that the duct work is sealed to prevent air leakage and air filter is installed Verify that the line voltage power leads are securely connected and the unit is properly grounded Verify that the low voltage wires are securely connected to the correct terminals in
48. SSURE IN WC HIGH INPUT BTU HR HIGH OUTPUT BTU HR LOW INPUT BTU HR LOW OUTPUT BTU HR GAS ORIFICE SIZE RISE RANGE OF MAX OUTLET AIR TEMP MAXIMUM EXTERNAL STATIC PRESSURE E S P IN WC NET COOLING CAPACITY BTUH BLOWER SIZE 117 8 X30K060 X 117 8 X36 080 X XA 11 x 8 X42K080 X 11 x 10 X48 096 X 11 x 10 X60 096 X May be electrical code D NATURAL GAS HEATING VALUE 800 899 Bru Fr NATURAL GAS HEATING VALUE 900 999 NATURAL GAS HEATING VALUE 1 000 1 100 MODEL NUMBER R8HE X24K060 X X30K060 X X36 080 X XA X42K080 X X48 096 X XA X60 096 X XA GAS VALVE SETTING Table 2 R8HE Nominal Rates and Temperature Rises ALTITUDE ABOVE SEA LEVEL 11 x 10 ZERO TO 1 999 2 000 TO 2 999 FT 3 000 TO 3 999 FT 4 000 TO 4 999 FT 5 000 TO 5 999 FT 6 000 TO 6 999 FT 7 000 TO 7 999 FT 8 000 TO 9 000 TO 8 999 FT 9 999 FT ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSURE ORIFICE MANIFOLD PRESSU
49. Table 4 or the LOW and or HIGH firing rate for your specific gas HHV is achieved NOTE Turning the screw clockwise increases the pressure turning the screw counter clockwise decreases the pressure To prevent the screw from backing all the way out from the valve turn the screw slowly 3 Replace and tighten the cap screw or the plastic cap over the adjustment screw Removing the Manometer Pressure Gauge After the LOW and HIGH manifold pressures are properly adjusted the Manometer or pressure gauge must be removed from the gas valve 1 Turn the thermostat to its lowest setting 2 Turn OFF the main gas supply to the unit at the manual shut off valve which is located outside of the unit 3 Turn OFF all of the electrical power supplies to the unit 4 Remove the pressure gauge adapter from the gas valve and replace it with the 1 8 NPT manifold pressure plug that had been removed earlier NOTE Make sure the plug is tight and not cross threaded 5 Turn ON the electrical power to the unit 6 Turn ON the main gas supply to the unit at the manual shut off valve Verifying Over Temperature Limit Control Operation 1 Verify the louvered control access panel is in place and that there is power to the unit 2 Block the return airflow to the unit by installing a close off plate in place of or upstream of the filter 2 STAGE GAS VALVE Model VR9205Q1 127 Cap Screws High Input Adjusting o Lo Input OFF Ad
50. Temperature Rise Gas Supply Pressure Verification amp Adjustment Verifying the Firing Rate of the Appliance 18 Measuring the Manifold 20 Adjusting the Manifold 20 Removing the Manometer Pressure Gauge 20 Verifying Over Temperature Limit Control Operation 20 Verifying Burner el Verifying System enia cett tra nett tn 21 OPERATING SEQUENCE Heating Mode ses PE Thaw Cycle Start Up Shutdown 22 Blocked Vent Condensate Disposal Shut Down 23 Cooling Mode Single Stage 23 D Humidicaton 23 Fan M ein 23 5 Heat Exchanger 8 Burner Maintenance Cleaning of Burners 25 REPLACEMENT 20 TROUBLESHOOTING a2 roa aan na DO Cooling Mode Heating Me 25 FIGURES amp TABLES Figure 8 Unit Dimensions Table 7 Center of Gravity amp Airflow Information 28
51. ad A new support bracket or adaptor piece will have to be field created to ensure the vent assembly does not rotate 2 Clean 8 glue the 2 x reducer bushing into the Tee 3 Install the 7 hose connector to the reducer bushing 4 Place the 2 PVC Tee onto the end of the horizontal pipe DO NOT CEMENT THE TEE ON AT THIS TIME Drop a plumb line from the bottom of the 7 drain fitting to the ground to locate the starting point of the pit or trench Vertical Drain Pit Method IMPORTANT NOTE The flue condensate of this unit is slightly acidic and some local codes may require a neutralizing treatment when disposing directly into the ground Check state or local code requirements for application of this equipment and if necessary substitute limestone rock chat or lime pellets to the pit to neutralize the condensate instead of using basic rock or chat FIELD SUPPLIED PARTS DESCRIPTION 2 PVC x 90 Degree Elbow amp 1 4 Mesh Screen 2 PVC x 10 Pipe 2 PVC Tee 2 x 1 2 PVC Reducer Bushing 1 2 Barb x 1 2 NPTF Spring Hose Clamp 1 2 ID x 36 Drain Hose Horizontal Vent Support Bracket amp U Bolt 0 410 A ARIJWO M 1 4 20 Nuts Self Drilling Screws Not shown Wire Tie Not shown 3 Ft Flexible Insulation Not Shown 2 PVC pipe x
52. age 30 Table 12 page 31 amp Table 13 page 32 and the rating plate for the proper circulating air flow and temperature rise It is important that the duct system be designed to provide the correct flow rates and external pressure rise An improperly designed duct system can result in nuisance shutdowns and comfort or noise issues Use only with the type of gas approved for this unit Refer to the unit rating plate Provide adequate combustion and ventilation air to the unit See page 5 page 6 amp page 7 Provide adequate clearances around the combustion air intake louvers See Figure 1 page 5 Combustion products must be discharged outdoors Connect this unit to an approved vent system only as specified on page 6 and in the Appendix pages 36 38 The information listed below is for reference purposes only and does not necessarily have jurisdiction over localorstate codes Always consult with local authorities before installing any gas appliance Combustion amp Ventilation Air e US National Fuel Gas Code NFGC Air for Combustion and Ventilation CANADA Natural Gas and Propane Installation Codes NSCNGPIC Venting Systems and Air Supply for Appliances Duct Systems US and CANADA Air Conditioning Contractors Association ACCA Manual D Sheet Metal and Air Conditioning Contractors National Association SMACNA or American Society of Heating Refrigeration and Air Conditioning Engineers ASHRAE Fundamentals
53. ain connection and an accessible area within the building interior Securement of the drain line to the inside surface of the roof curb is acceptable and should be made in the wood nailer area top 3 5 to avoid possible leaks or penetrations to roofing materials Cut and remove the insulation covering the 2 x 3 condensate drain passage in outer panel G only Before installing inner panel G ensure there is enough slope and there are no kinks or high spots that could trap water in the line prior to entering the warmer interior of the building where a drain trap is acceptable All panels must be securely in place during rigging and hoisting except control access panel See page 48 for additional lifting and setting of unit requirements Horizontal to Downflow Conversion The unit is shipped ready for horizontal duct connections If downflow ducts are required the unit mustbe converted following the steps below for both the supply and return ducts 1 Remove both horizontal duct caps 2 Locate the duct cap inside the duct openings and remove the screw holding it in place 3 Lift the cap out of the unit Hint The cap can be pushed up from the bottom by reaching through the fork slot 4 Cover the horizontal duct openings with the horizontal duct caps removed earlier in step 1 The insulation will be on the indoor side 5 Fasten the cover with screws to seal 6 Remove and discard the two wood supports beneath the u
54. aled adequately and mustbe retightened Repeatthe tightening and soap check process until bubbling ceases If pressure testing the gas supply lines at pressures greater than 1 2 psig 14 inches WC the unit must be disconnected from the gas supply piping system to prevent damage to the gas valve If the test pressure is less than or equal to 1 2 psig 14 inches WC the unit must be isolated from the gas supply line by closing the manual shut off valve High Altitude Conversion Natural Gas Conversion of this unit must be performed by qualified service personnel using only approved parts All installations mustbe made in accordance with the National Fuel Gas Code and or local jurisdiction codes WARNING The reduction of input rating necessary for high altitude installation may only be accomplished with factory supplied orifices Do not attempt to drill out orifices in the field Improperly drilled orifices may cause fire explosion carbon monoxide poisoning personal injury or death High altitude conversion can be field performed by a simple adjustment of manifold pressure or a change ofthe orifices if necessary as described in the Measuring amp Adusting the Manifold section page 20 The changes required depend on the installation altitude and the heating value of the gas based on sea level which can be obtained from your local gas utility The heating value of gas at high altitude is always lower than the sea le
55. amp to high speed Single Stage Heat Thermostat with Automatic Heat Staging Automatic heat staging allows the unit to operate as a two stage gas furnace with the use of a single stage heating thermostat With the ignition control AUTO HEAT STAGE jumper repositioned from the OFF position to the ON position see Figure 12 page 36 the gas furnace will automatically switch to High heat mode of operation after a 10 minute delay The induced draft motor and blower motor will both ramp to high speed 10 When the thermostat has been satisfied gas valve is de energized 11 The inducer motor is de energized after a 30 second post purge 12 The circulating air blower will remain energized for approximately 120 seconds factory setting after the demand for heat is no longer present 13 Abnormal Conditions If a limit switch opens during heating operation the gas valve is de energized immediately The control de energizes the induced draft motor and runs the indoor blower motor continuously while the limit switch is open NOTE This unit has two special features programmed into the furnace control board for safety and proper unit operation Thaw Cycle Start Up Shutdown The vent pressure switch is constantly monitored throughout the ignition cycle If after 1 minute of burner ignition the vent pressure switch remains open the control will de energize the gas valve energize the main blower and begin another ignition sequence afte
56. cher aucun interrupteur lectrique n utiliser aucun t l phone dans le b timent vacuer l immeuble imm diatement Appeler imm diatement le fournisseur de gaz en employant le t l phone d un voisin Respecter la lettre les instructions du fournisseur de gaz Si personne ne r pond appeler le service des incendies All gas piping must be installed in compliance with local codes and utility regulations In the absence of local codes the gas line installation must comply with the latest edition of the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 Installation Codes Some local codes require the installation of a manual main shut off valve and ground joint union external to the unit The shut off valve should be readily accessible for service and or emergency use Consult the local utility or gas supplier for additional requirements regarding placement of the manual main gas shut off See Figure 6 page 16 Themanifold pressure must be settothe appropriate value for your installation To measure and adjust the manifold pressure see page 20 Gas piping must never run in or through air ducts chimneys gas vents or elevator shafts Compounds used to seal joints on gas piping must be resistant to the actions of LP propane gas The main gas shutoff valve and main power disconnect to the unit must be properly labeled by the installer in case emergency shutdown is required An 1 8 inch NPT plugged tap can be installed in t
57. city All airflows are determined by these basic settings For most applications the factory heat setting will operate ata nominal rise based onthe furnace s nominal efficiency and firing input Follow across the table row to find the switch setting and nominal 13 air flow Verify the selected rise is within the specification shown on the furnace rating label or in the tables Dehumidification Options The fixed speed motor control board has a DEHUM connection that allows the system to increase the amount of humidity that is removed from the circulating air This is accomplished by reducing the CFM and allowing the cooling coilto become colder This function is only available when there is call for cooling There are many ways this function can be electrically wired When 24VAC is present at the DEHUM terminal of the blower control board the airflow requirements will be reduced to approximately 75 of the nominal airflow requirements If the humidity level of the conditioned space decreases during the cycle and the humidistat opens the airflow will be restored to 10096 of the selected value If the room thermostat incorporates a humidity sensor and DEHUM output connect the DEHUM on the thermostat to the DEHUM terminal on the motor control board See Figure 10 page 36 If using a separate humidistat connect the DEHUM terminals on the humidistatto the DEHUM amp R terminals on the motor control board In this option the D
58. d wire gauge and wire lengths for typical thermostat connections are listed in Table 18 page 35 Several thermostat options are available depending on the accessories installed with the unit Select a thermostatthat operates in conjunction with the installed accessories The thermostat should be mounted about 5 feet above the floor on an inside wall DO NOT install the thermostat on an outside wall or any other location where its operation may be adversely affected by radiant heat from fireplaces sunlight or lighting fixtures and convective heat from warm air registers or electrical appliances Refer to the thermostat manufacturer s instruction sheet for detailed mounting information 2 Stage Heat 1 Stage Cool Thermostat Recommended For highest efficiency a 2 Stage Heating Single Cooling thermostat is recommended for this unit A Single Stage Cool thermostat is only required for cooling operation control of this unit A 2 Stage Heat thermostat will allow the gas heat to operate at a more efficient low heat condition until there is a demand for higher heat output to the conditioned space Single Stage Heat Single Stage Cool Thermostat Optional A Single Stage Coolthermostatis only required for cooling operation of this unit A Single Stage Heat thermostat can be used in conjunction with the automatic heat staging jumper on the ignition control board The heat staging function will automatically move the unit into high
59. drain pipe or lay the permeable barrier material down over the length of pipe in the trench 13 While holding the 2 pipe completely vertical and centered to the drain tee slowly backfill the trench over the full length of the pipe Use any remaining rock or chat until the entire length of 4 drain pipe is covered then use remaining backfill materials from the excavation area 14 Continue to backfill the hole until 1 2 above grade level and then grade away to keep rain water from collecting in the trench area as the ground settles over time Add any remaining top soil and sod back to pit location if needed Completing the Vent Installation 1 Mark a pencil line up from the centerline of the unit vent exit hole for aligning and attaching the vent support bracket 2 Holding bracket on pencil line at desired height for securing to the 10 vent pipe secure the support bracket to the unit with two self drilling screws provided in kit 3 Carefully insert the 1 4 mesh screen into the elbow and make sure it is firmly in place 4 Cement the 2 x 90 Degree PVC Elbow opposite end with 1 4 mesh screen and 10 pipe together 5 Cement or mechanically fasten the assembly with 1 2 long screws into the top of the tee Verify the outlet is perpendicular to the unit See Joint B in Figure 22 and Figure 23 NOTE Fastening the 10 pipe to the Tee with 1 2 screws will make disassembly easier for future cleaning or inspection of the drain
60. duct static pressure for individual switch settings f coil icing occurs the basic cooling airflow selected may be too low Verify the selected setting is within the range shown in Table 8 and the system is properly charged If icing continues raise the selected airflow to the next higher tap For maximum dehumidification and energy efficiency select an airflow near the middle or bottom of the CFM range for that nominal capacity The 2 stage heating feature of the unit requires modulating the airflow The unit will automatically adjust the airflow to the appropriate rate when the unit heating capacity changes Configuring the Fixed Speed Blower The fixed speed blower assembly has been designed to give the installer maximum flexibility for optimizing system performance efficiency and comfort It is equipped with a microprocessor controlled motor when coupled with a fixed speed motor control board delivers constant torque to optimize airflow in a variety of conditions and system configurations Because the blower can be configured in many ways itis important to read and follow all instructions carefully Upon initial start up the fixed speed blower must be checked so that the factory settings match the unit with the system climatic conditions and other system options With the blower installed and configured properly the furnace will change speed in response to changes in system variables such as Heat Cool setting Fan Auto
61. e of chemicals which form corrosive acidic compounds in the combustion gases IMPORTANT NOTE Do not store any chemicals with flammable or caustic vapors near the vent termination Some examples of these chemicals are e CARBON TETRACHLORIDE e GasoLINE KEROSENE e CEMENTS GLUES PAINT REMOVERS VARNISHES ETC e HALOGEN TYPE REFRIGERANTS e CLEANING SOLVENTS e HYDROCHLORIC ACID CHLORINE BASED SWIMMING POOL 4 CHEMICALS MASONRY ACID WASHING MATERIALS e CHLORINATED WAXES amp CLEANERS PERMANENT WAVE SOLUTIONS e Dt ICING SALTS OR CHEMICALS e WATER SOFTENING CHEMICALS Vent Termination This unit has been developed for use with a combination heat exchanger condensate drain and venting system designed to operate only with this type of system Condensate Drain and Vent Kits are available for purchase as accessory items Horizontal ground mount applications can use P N 922323 to attach the 13 25 2 PVC pipe within the control area of this unit Rooftop mount applications can use the downflow condensate drain vent kit P N 922485 If Nordyne kits are not being used see Appendix on page 43 or page 45 for your specific application WARNING This unit is intended for outdoor installation only This unit must be vented to the outdoors No additional venting shall be used Do not vent the unit through a conventional venting system The vent and drain assembly must be installed to assure proper operation of th
62. e pas tenter d allumer aucun appareil Ne toucher aucun interrupteur lectrique n utiliser aucun t l phone dans le b timent vacuer l immeuble imm diatement Appeler imm diatement le fournisseur de gaz en employant le t l phone d un voisin Respecter la lettre les instructions du fournisseur de gaz Si personne ne r pond appeler le service des incendies DO NOT DESTROY PLEASE READ CAREFULLY amp KEEP IN A SAFE PLACE FOR FUTURE REFERENCE TABLE OF 5 IMPORTANT SAFETY INFORMATION REQUIREMENTS amp CODES GENERAL INFORMATION Before you install this unit Locating the Equipment aseo near itr entere 3 FGA e RN 5 COMBUSTION AIR amp VENTING REQUIREMENTS s PIN IL 6 CIRCULATING AIR SUPPLY d Alt re aT Unconditioned Spaces y Acoustical Duct Work UNIT INSTALLATION Rigging amp Hoisting Clearances to Combustible Materials Ground n M 8 Horizontal to Downflow Conversion 9 Condensate Drain Air Conditioning esse 9 Air Filler IIT Um 9 Removal of Internal Filter Rack 9 Installing Filters in the Internal Filter
63. e refrigerant when above curve 95 100 105 110 115 120 Liquid Temperature Figure 17 Charging Chart for 2 5 Ton Units Liquid Pressure psig Liquid Pressure psig 3 TON CHARGING CHART Remove refrigerant when above Dm 500 480 460 440 420 400 380 360 340 320 300 280 260 Add refrigerant when below curve 240 220 60 65 70 75 80 85 90 95 100 105 110 115 120 Liquid Temperature Figure 18 Charging Chart for 3 Ton Units 3 5 TON CHARGING CHART 520 500 480 Remove refrigerant when above curve 460 440 420 400 380 360 340 320 Add refrigerant when below curve 300 280 80 85 90 95 100 105 110 115 120 125 130 Liquid Temperature F Figure 19 Charging Chart for 3 5 Ton Units 41 42 Liquid Pressure psig Liquid Pressure psig 520 500 480 460 440 420 400 380 360 340 320 300 280 520 500 480 460 440 420 400 380 360 340 320 300 280 260 240 220 4 TON CHARGING CHART Remove refrigerant when above curve refrigerant when below curve 80 85 90 95 100 105 110 115 120 125 130 Liquid Temperature F Figure 20 Charging Chart for 4 Ton Units 5 TON CHARGING CHART Remove refrigerant when above curve Add refrigerant when
64. e unit Figure 2 shows the proper installation of the vent and drain assembly for both horizontal and downflow applications The fasteners used to secure the vent and drain assembly have been included in the kit The following list summarizes the requirements for the location of the vent system termination The location of the vent termination must be consistent with the National Fuel Gas Code ANSI Z223 1 or CAN CGA B149 Installation Codes The vent termination must be located at least 4 feet horizontally from any electric meters gas meters regulators and relief equipment The vent termination must be located at least 3 feet above any forced air inlet located within 10 feet The vent termination must be located at least 4 feet below 4 feet horizontally from or 1 foot above any door window or gravity air inlet into any building The unit should be installed in a way that prevents any obstruction of the vent termination during accumulating snow Verify exhaust gases will not impinge on windows or building surfaces which may be compromised or damaged by condensation Do not install the unit such that exhaust from the vent termination is directed into window wells stairwells under decks or in alcoves or similarly recessed areas HORIZONTAL GROUND MOUNT OO X M S Combined condensate Drain Vent System ROOF MOUNTED UNIT CURB AND ROOF NOT SHOWN ROOF D B ap
65. ed for both LOW and HIGH fire for each installation to prevent over firing of the unit The firing rate must not exceed the rate shown on the 19 unit data label determine the firing rate follow the steps below 1 Obtainthe gas heating value HHV fromthe gas supplier 2 Shut off all other gas fired appliances 3 Start the unit in LOW heating mode and allow it to run for at least 3 minutes 4 Measure the time in seconds required for the gas meter to complete one revolution 5 Convert the time per revolution to cubic feet of gas per hour using Table 15 page 33 6 Multiply the gas flow rate in cubic feet per hour by the heating value of the gas in Btu per cubic foot to obtain the firing rate in Btu per hour See Example EXAMPLE INPUT gt HIGH 100 000 LOW 65 000 Time for 1 revolution of a gas meter with a 1 cubic foot dial 58 seconds From Table 15 read 62 cubic feet gas per hour Local heating value of the gas obtained from gas supplier 1 040 per cubic foot Low Input rate 1 040 x 62 64 480 Btuh PASS 7 Record your findings and move unit operation to HIGH heating mode and Repeat Steps 3 6 8 Adjust the manifold pressure if necessary by following the steps in the Measuring amp Adusting the Manifold sections For additional information about elevations above 2 000 feet see High Altitude Conversion section page 16 Measuring the Manifold Pressure The manifold pressure mus
66. ed to provide the design heating load requirement Heating load estimates can be made using approved methods available from Air Conditioning Contractors of America Manual J American Society of Heating Refrigerating and Air Conditioning Engineers or other approved engineering methods For installations above 2 000 ft the unit should have a sea level input rating large enough that it will meet the heating load after deration for altitude COMBUSTION AIR amp VENTING REQUIREMENTS A WARNING Installation methods other than those described in the following sections must comply with the National Fuel Gas Code and all applicable local codes for providing sufficient combustion air to the unit Provisions must be made during the installation of this unit that provide an adequate supply of air for combustion Instructions for determining the adequacy of an installation can be found in the current revision of the NFGC ANSI Z223 1 NFPA54 Consult local codes for special requirements These requirements are for US installations as found in the NFGC The requirements in Canada B149 1 are structured differently Consult with B149 1 and local code officials for Canadian installations WARNING Combustible air must not be drawn from a contaminated atmosphere Excessive exposure to contaminated combustion air will result in safety and performance related problems To maximize heat exchanger life the combustion air must be fre
67. eet Per Hour Required Heating Value of Gas Btu Cu Ft NOTE The cubic feet per hour listed in the table above must be greater than the cubic feet per hour of gas flow required by the furnace To determine the cubic feet per hour of gas flow required by the furnace divide the input rate of the furnace by the heating value from gas supplier of the gas Table 14 Gas Pipe Capacities GAS FLOW RATES GAS FLOW RATES CUBIC FEET PER HOUR CUBIC FEET PER HOUR TIME FOR CUBIC FEET PER TIME FOR CUBIC FEET PER ONE REVOLUTION REVOLUTION OF GAS METER ONE REVOLUTION REVOLUTION OF GAS METER SECONDS 1 s 0 1 9o 1 g 56 1125 ____54 _____ 1 529 1059 500 os Table 15 Gas Flow Rates 33 34 E FOR YOUR SAFETY READ POUR VOTRE S CURIT BEFORE OPERATING A LIRE AVANT L EMPLOI WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life ATTENTION L inobservation de ces instructions peut entrainer un incendie ou une explosion pouvant causer des dammages votre propri t votre personne ou la mort A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand
68. ent S assurer que l appareil fonctionne ad quatement apr s l entretien Electrical connections must be in compliance with all applicable local codes with the current revision of the National Electric Code ANSI NFPA 70 For Canadian installations the electrical connections and grounding shall comply with the current Canadian Electrical Code CSA C22 1 and or local codes IMPORTANT NOTE If replacing any ofthe original wires supplied with the furnace the replacement wire must be copper wiring having the same guage voltage and temperature rating Pre Electrical Checklist Single amp 3 Phase Models Verify the voltage frequency and phase of the supply source match the specifications on the unit rating plate Verify that the service provided by the utility is sufficient to handle the additional load imposed by this equipment See Table 16 page 35 or the unit rating label for proper high voltage wiring requirements Verify factory wiring is in accordance with the unit wiring diagram Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 Make sure the connections didn t loosen during shipping or installation Y Phase balance on 3 phase units must always be checked See Unbalanced 3 Phase Supply Voltage section page 12 Grounding WARNING The unit cabinet must have an uninterrupted or unbroken electrical ground to minimize personal injury if an electrical fault should occur Do
69. f combustion to enter the home Replace the heat exchanger if leaks are found Failure to prevent products of combustion from being circulated into the living space can create potentially hazardous conditions including carbon monoxide poisoning that could result in personal injury or death Maintain heat exchanger and burners The furnace should operate for many years without excessive scale buildup in the heat exchanger however the heat exchanger the vent system and the burners should be inspected and cleaned if required by a qualified serviceman annually to ensure continued safe operation Particular attention must be given to identify deterioration from corrosion or other sources Cleaning of Burners If the burners must cleaned follow the steps below 1 Shut off the gas supply to the unit either at the meter or at a manual valve in the supply piping 2 Turn off all power to the unit and set the thermostat to the lowest temperature setting 3 Remove the louvered control access panel from the unit 4 Turn the gas control switch to the OFF position See Figure 9 page 34 for gas valve shut off instructions 5 Disconnect the wires from the gas valve ignitor and flame sensor NOTE Mark wires to prevent miswiring of unit when reassembling A CAUTION To prevent damage to the unit or internal components it is recommended that two wrenches be used when loosening or tightening nuts Do not over tighten
70. f the unit does not operate in the cooling mode check the following Verify the thermostat is operating properly Verify electrical power to the unit is turned on Verify the filters are not dirty Verify the service doors are in place Verify the 3 amp fuse is operational Verify the anti short cycle timer s 5 minute cycle has finished Verify the LED flash code on the blower control board against the diagnostic codes listed in Table 5 or on the wiring diagrams Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 Heating Mode If the unit does not operate in the heating mode check the following Verify the thermostat is operating properly Verify electrical power to the unit is turned on Verify the filters are not dirty Verify the gas is turned on and the manual shut off valve is open and the gas valve switch is in the ON position Verify the service doors are in place Verify the flame roll out switch is closed Verify the 3 amp fuse is operational Verify the LED flash codes on the furnace ignition control board against the diagnostic codes listed in Table 5 or on the wiring diagrams Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 Verify the LED flash codes on the motor control board against the diagnostic codes listed in Table 6 or on the wiring diagrams Figure 13 Figure 14 amp Figure 15 DIAGNOSTIC DESCRIPTION GREEN LED RED LED Control Fault No Power Off Off L1 Neutral Po
71. for heat limit switch circuit vent pressure switch and flame sense 6 Igniter Warm Up When the 30 second pre purge time has elapsed the control begins the Hot Surface Ignition HSI warm up as follows Initial Power up After 30 seconds of igniter warm up the gas valve will open The igniter circuit will stay energized for 3 seconds after the gas valve opens After Initial Power up The control has a programmed adaptive ignition feature which varies the warm up period as follows If ignition is successful the warm up is reduced by 3 seconds on each subsequent call for heat until ignition failure occurs Upon ignition failure the warm up is increased by 3 seconds on the next try If successful the timing remains fixed at this level In general whenever ignition failure occurs the warm up interval is increased by 3 seconds on the next try If successful it remains there Minimum and maximum warm up time limits are set at 9 and 54 seconds Flame Proving Ignition Low Heat Operation The furnace control must prove flame via the flame sensor 5 seconds after the high main gas valve is energized e f flame is sensed burners on and the igniter cools off The Yellow LED will be lit e f no flame is sensed the gas valve closes immediately and the inducer continues to run on high A second trial for ignition step 6 begins If no flame is sensed onthe fifth try for ignition the furnace control is locked and the cont
72. he burners When the gas valve is energized it automatically opens and regulates the gas pressure in the manifold Inducer Hall Effect Sensor Switch This sensor verifies the inducer motor is running in the event of power outages or during long intervals of unit off time where pressure Switch reading could be lost due to ice formation over the pressure switch port This will clear within the first or second thaw cycle routine Pressure Switch The pressure switch verifies that the inducer motor is drawing the combustion gases through the heat exchanger tubes and venting the gases through the vent system Over Temperature Limit Control The over temperature limit control prevents the air temperature leaving the unit from exceeding the maximum outlet air temperature If the limit opens the integrated control diagnostic will flash one time The circulating air blower and combustion blower will continue to operate if the over temperature limit control opens 23 EQUIPMENT MAINTENANCE WARNING ELECTRICAL 5 FIRE OR EXPLOSION HAZARD Failure to follow safety warnings exactly could result in serious injury or property damage Improper servicing could result in dangerous operation serious injury death or property damage Before servicing disconnect all electrical power to furnace When servicing controls label all wires prior to disconnecting Reconnect wires correctly Verify proper operation after serv
73. he gas line immediately upstream of the gas supply connection to the unit for use when measuring the gas supply pressure when not using the inlet pressure tap supplied on the factory installed gas valve The plug should be readily accessible for service use A drip leg should be installed in the vertical pipe run to the unit See Figure 6 This unit only has right side gas entry When connecting the gas provide clearance between the gas supply line and the entry hole in the unit s casing to avoid unwanted noise and or damage to the unit A typical gas service hookup is shown in Figure 6 Table 14 page 33 lists gas pipe capacities for standard pipe sizes as a function of length in typical applications based on nominal pressure drop in the line Leak Check WARNING FIRE OR EXPLOSION HAZARD Nevertestfor gas leaks with an open flame Check all connections using a commercially available soap solution A fire or explosion may result causing property damage personal injury or loss of life Failure to follow the safety warnings exactly could result in serious injury death or property damage Afterthe gas piping to the unitis complete all connections mustbetestedfor gas leaks This includes pipe connections at the main gas valve emergency shutoff valve and other gas connectors A soap and water solution can be 15 applied each joint or union using small paintbrush If any bubbling is observed the connection is not se
74. he flame will be out of sight around the bend 3 After validating flame characteristics set the thermostat below room temperature and verify the burner flame extinguishes completely Verifying System Cooling Single Stage Operation WARNING These units are shipped fully charged with R 410A refrigerant and ready for installation When a system is installed according to these instructions no refrigerant charging is required If repairs make it necessary for evacuation and charging it should only be done by qualified trained personnel thoroughly familiar with this equipment Some local codes require licensed installation service personnelto service this type of equipment Under no circumstances should the owner attempt to install and or service this equipment Failure to comply with this warning could resultin property damage personal injury or death A CAUTION This unit uses R 410A refrigerant DO NOT use any other refrigerant in this unit Use of another refrigerant will damage the unit 1 Set the thermostat s system mode to COOL and the fan mode to AUTO Gradually lower the thermostat temperature setpoint below room temperature and verify the compressor fan and indoor blower energize 2 Feel the air being circulated by the indoor blower and verify thatitis coolerthan ambienttemperature Listen for any unusual noises If unusual sounds occur determine the source of the noise and correct as necessary
75. heatoperation after 10 minutes when the jumper is moved from OFF to the ON position See Figure 12 page 36 Connect the Red Yellow Green White and Brown low voltage thermostat wires to terminals R Y1 1st Stage Cool G W1 1st Stage Heat amp W2 2nd Stage Heat optional on both the thermostat sub base and unit low voltage terminal board The C terminal Black wire is the 24V common wire required on some thermostat models See Figure 10 page 36 Heat Anticipator Verify if the thermostat being used for the installation has a heat anticipator setting This function allows the thermostat to anticipate the space heating rate and time the burner to shutoff accordingly Always refer to the thermostat manufacturer s instructions for correct settings Addthecurrentdraw ofthe system heating components OR Measure the current flow on the thermostat R W circuit afterthe circulating blower motor has started Setthe heat anticipator according to the thermostat manufacturer s instructions for heat anticipator settings Cooling Configurations This unit is designed to connect with any single stage cooling thermostat The connection between Y1 on the thermostat and Y1 on the unit terminal strip energizes cooling operation See Figure 10 page 36 Heating Configurations This gas pack is factory configured for two stage gas heating operation with a two stage heating thermostat Connect the low voltage thermostat White amp B
76. i y 11111111 111111 2 PVC x 22 5 Degree Elbow amp 1 4 Mesh Screen Figure 2 Heat Exchanger Condensate Drain amp Vent Assembly CIRCULATING AIR SUPPLY A WARNING Products of combustion must not be allowed to enter the return air ductwork or the circulating air supply Failureto prevent products of combustion from being circulated into the living space can create potentially hazardous conditionsincluding carbon monoxide poisoning that could result in personal injury or death All return ductwork must be adequately sealed all joints must be taped and the ductwork must be secured to the unit with sheet metal screws When return air is provided through the bottom of the unit the joint between the unit and the return air plenum must be air tight The roof curb or cement pad that the unit is mounted must provide sound physical support of the unit with no gaps cracks or sagging bewteen the unit and pad Return air and circulating air ductwork must not be connected to any other heat producing device such as a fireplace insert stove etc Doing so may result in fire explosion carbon monoxide poisoning personal injury or property damage Air Ducts This unit is designed only for use with a supply and return duct Air ducts should be installed in accordance with the standards of the National Fire Protection Association Standard for Installation of Air Conditioning Systems NFPA 90
77. icing A AVERTISSEMENT RISQUE DE CHOC LECTRIQUE D INCENDIE OU D EXPLOSION Le non respect des avertissements de s curit pourrait entrainer un fonctionnement dangereux de l appareil des blessures graves la mort ou des dommages mat riels Un entretein incorrect pourrait entrainer un fonctionnement dangereux de l appareil des blessures graves la mort ou des dommages mat riels Couper toute alimentation lectrique au g n rateur d air chaud avant de prod der aux travaux d entretein Au moment de l entretien des commandes tiqueteztous les fils avant de les d brancher S assurer de les raccorder correctement S assurer que l appareil fonctionne ad quatement apr s l entretien A CAUTION Use care when removing parts from this unit Personal injury can result from sharp metal edges present in all equipment of sheet metal construction Proper maintenance is important to achieve optimum performance from the system The ability to properly perform maintenance on this equipment requires certain mechanical skills and tools If you do not possess these skills contact your dealer for maintenance Consult your 24 local dealer about the availability of maintenance contracts Routine maintenance should include the following A CAUTION The unit should never be operated without a filter inthe return air system Replace disposable filters with the same type and size Inspect clean or
78. if required by code with the initial rock base 2 Clean and cement the field supplied 2 90 degree elbow and 2 x 4 reducer assembly together 3 Measure andcuta length of 2 PVC that extends vertically from the bottom of the 94 drain fitting at the bottom of the tee to the 2 elbow reducer assembly resting on the rock base as shown in Figure 23 page 46 4 Cut the 3 4 vinyl drain hose and flexible insulation to the same length as the 2 vertical PVC pipe 5 Secure the elbow reducer assembly to one end of the 4 drain pipe 6 Cutthe 4 corrugated flexible drain pipe with drain holes to a length extending to the end of the trench 7 Connect vinyl drain tube to the 72 barbed drain connection at bottom of 2 PVC Tee and secure with spring hose clamp 8 Install flexible insulation over the entire length of drain tube and cut away any excess then secure at the top with wire tie provided 9 Cementthe 2 PVC pipeintothe elbow reducer assembly 10 Work the drain hose assembly into the pipe until the entire length is inside and the PVC pipe is vertical 11 Glue or use two 1 2 long screws field supplied to secure the 2 PVC Tee to the unit horizontal vent pipe See Joint A in Figure 23 NOTE Fastening the Tee to the horizontal vent pipe with 1 2 screws will make disassembly easier for future cleaning or inspection of the drain vent system 12 Prior to backfilling install the 4 flexible pipe filtration sleeve over the
79. ight Changez Y1Start X UNIT CONDENSATE DISPOSAL RATE STEADY STATE 0 35 GPH 0 45 GPH 0 55 GPH FURNACE HX SIZE 3 Tube 60 000 KBTU 4 Tube 80 000 KBTU 5 Tube 96 000 KBTU Table 20 Condensate Disposal Rate 44 Vertical Drain Pipe Installation 1 After the pit has been dug out pour the rock or chat base to a level approximately 2 below the frost line Mix in 5096 of the limestone rock chat or lime pellets if required by code with the initial rock base 2 Measure the distance between the top of the rock base and bottom of 7 drain fitting 3 Cut the field supplied 2 PVC pipe to the measured length 4 Cutthe drain hose and insulation to the measured length less 3 so the drain cannot become blocked 5 Connect vinyl drain tube to the 72 barbed drain connection at bottom of 2 PVC Tee and secure with spring hose clamp 6 Install flexible insulation over the entire length of drain tube and cut away any excess then secure at the top with wire tie provided 7 Place the 2 PVC pipe into the pit and work the drain hose assembly into the pipe until the entire length is inside and the PVC pipe is vertical 8 Glue or use two 1 2 long screws field supplied to secure the 2 PVC Tee to the unit horizontal vent pipe See Joint A in Figure 22 NOTE Fastening the Tee to the horizontal vent pipe with 1 2 screws will make disassembly easier for future cleaning or inspection of the drain
80. inside cover of the control access panel of the outdoor unit The installer should become familiar with the wiring diagram before making any electrical connections to the outdoor unit See Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 11 e All 208 240 volt units are shipped from the factory wired for 240 volt transformer operation For 208V operation remove the lead from the transformer terminal marked 240V and connect it to the terminal marked 208V Connect the line voltage leads to the terminals on the contactor inside the control compartment Unbalanced 3 Phase Supply Voltage Voltage unbalance occurs whenthe voltages of all phases of a 3 phase power supply are no longer equal This unbalance reduces motor efficiency and performance Some underlying causes of voltage unbalance may include Lack of symmetry in transmission lines large single phase loads and unbalanced or overloaded transformers A motor should never be operated when a phase imbalance in supply is greater than 2 Perform the following steps to determine the percentage of voltage imbalance 1 Measuretheline voltages of your 3 phase power supply where it enters the building and at a location that will only be dedicated to the unit installation at the units circuit protection or disconnect EXAMPLE AB 451V BC 460V AC 453V 2 Determine the average voltage in the power supply In this example the measured line
81. ion of this product during installation maintenance or repair may expose you to fiberglass insulation Breathing this material may cause respiratory irritations Fiberglass insulation may also cause eye irritation skin sensitization or other allergic responses in susceptible individuals Always wear goggles disposable gloves long sleeved shirt and appropriate breathing protection when working near this insulation If contact with skin occurs wash immediately with soap and water In case of contact with eyes flush immediately with water for at least 15 minutes Contact a physician if needed A WARNING The information listed below and on the next page must be followed during the installation service and operation of this unit Unqualified individuals should not attempt to interpret these instructions or install this equipment Failure to follow safety recommendations could result in possible damage to the equipment serious personal injury or death Before beginning the installation verify that the unit model is correct for the job The unit model number is printed on the data label Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment Never test for gas leaks with an open flame Use a commercially available soap soluti
82. irection until the arrow is pointing vertically downward 1 Slide the rubber grommet large diameter first down the 24 of tubing and reinstall back into the unit bottom pan ensuring a water tight seal Additional sealing is permissible 2 Route the drain line up and onto to the condensate drain valve barbed fitting Cut hose to length required to keep line from bending and secure to barbed fitting using the spring hose lamp provided in the kit Condensate Disposal e Themethodfordisposing of condensate varies according to local codes Consult your local code or authority having jurisdiction Each of the condensate drain lines must be J trapped using field supplied parts After the condensate lines are J trapped they may be combined together into a single run to the drain The drain lines must be routed downward to ensure proper drainage from furnace Neutralizer kit P N 902377 is available for use with this furnace Please follow the instructions provided with the kit For Installations where there is limited clearance for the J Trap such as an attic where it may be installed between ceiling joists either side of the J Trap can be shortened to a minimum of 3 Inches See Figure 25 page 49 Completing the Vent Pipe Installation and Assembly 1 Connect the horizontal 13 25 x 2 PVC pipe that came supplied with the unitto the inducer motor rubber coupler and secure using the 3 hose clamp provided 2 Clean the opposite end
83. justing Switch pressure Pressure Tap Figure 7 Regulator Capscrew amp Tap Locations 3 Set the thermostat above room temperature and verify the units operating sequence page 21 NOTE The over temperature limit control should turn off the gas valve within approximately four minutes exact time depends on the efficiency of the close off when blocking the return air The circulating air and combustion blowers should continue to run when the over temperature limit control switch opens 4 Remove the close off plate immediately after the over temperature limit control opens If the unit operates for more than four minutes with no return air set the thermostat below room temperature shut off power to the unit and replace the over temperature limit control Verifying Burner Operation A WARNING Uninsulated live components are exposed when louvered control access panel is removed 1 Remove the louvered control access panel and verify there is power to the unit 2 Set thermostat above room temperature and observe the ignition sequence NOTE The burner flame should carry over immediately between all burners without lifting off curling or floating The flames should be blue without yellow tips Make sure the flame is drawn into the center of the heat exchanger tube In a properly adjusted burner assembly the flame bends down and to the right at the end of the heat exchanger tube The end of t
84. larity Fault Flash Flash 1 Hour Lockout Alternating Flash Normal Operation On On Flash Pressure Switch Closed Fault On Pressure Switch Open Fault Flash Open Limit Switch Fault Flash Motor Fault On Blocked Condensate Drain or Vent OFF DIAGNOSTIC DESCRIPTION YELLOW LED Low Flame Sensor Signal Continuous Flash Flame Present DIAGNOSTIC DESCRIPTION Control Fault No Power Normal Operation On On Motor Fault Communications Fault VARIABLE SPEED FURNACES Table 6 Motor Control Board Fault Conditions 25 45 75 FIGURES amp TABLES 3 4 INSIDE PERIMETER FEMALE DRAIN OF BASE RAIL CONNECTOR IF USED DOWNFLOW SUPPLY DUCT OPENING 13 31 DOWNFLOW RETURN DUCT OPENING 1 75 r HORIZONTAL SUPPLY DUCT OPENING HORIZONTAL RETURN DUCT OPENING 4 0 CONDENSING COIL Le 4 0 BACK VIEW 3 PHASE MODELS Downflow Application Shown 26 FILTER ACCESS 2 3 PHASE ONLY TOP VIEW SINGLE PHASE SHOWN BACK VIEW SINGLE PHASE MODELS Horizontal Application Shown 1 75 40 HORIZONTAL HORIZONTAL SUPPLY DUCT RETURN DUC OPENING OPENING
85. lation The roof curb must be square and level to ensure proper condensate drainage See Figure 2 page 6 Please follow all instructions provided with the kit Secure roof curb or frame to roof using acceptable mechanical methods per local codes NOTE Make sure the two supports beneath the unit have been removed IMPORTANT NOTES TO INSTALLER When setting the roof curb for installation routing and securement of the gas heat exchanger condensate drain line must be determined and installed prior to setting the unit on the curb It is recommended to drill a 1 00 1 25 diameter hole through the roof below the rectangular opening located in outer close off curb panel G of Nordyne offered curbs approximately 15 in from the short side of curb and 1 2 in from the long side of curb If drilling a hole is not an option routing the condensate drain hose overtothe duct passage opening with enough slope is acceptable as long as drain line is secured to curb and duct ensuring no kinks or traps can form between the collector box drain or interior of the building Leave a minimum of 24 drain line extending out the top of roof curb front close off panel G for passage through unit bottom and connection to unit drain when unit is being set See unit or Condensate Vent Drain Kit P N 922485 instructions for completion of the drain connection It is recommended no non serviceable connections are introduced in the drain line between unit dr
86. mmended not to exceed 0 08 inches WC Single phase downflow applications require either a Nordyne internal filter kit be used or an air filter system be installed in the return air ductwork Three phase models are factory equipped with an internal filter rack ready to accept field supplied filters See Table 1 for specific unit model and filter sizes Nordyne internal filter rack adjusts for 1 or 2 filters Horizontal installations require the air filter system be installed in the return air ductwork Removal of Internal Filter Rack If Equipped only required if economizer is installed 1 Remove the return air panel from the unit 2 Remove the height adjustment screw from the inside of the rack 3 Remove 1 screw securing the assembly to the coil located on the left leg of the rack NOTE The assembly can now be easily collapsed and removed from the unit See Figure 5 page 10 for filter rack securing screw locations Installing Filters in the Internal Filter Rack If Equipped 1 Remove access panel screws from return air panel Hint Loosen the unit s top panel screws near the top edge of the access panel The access panel was designed to be captured underneath the top panel 2 Slide the first filter between both guide channels of filter rack and allow the filter to drop easily into place 3 Verify the bottom of the filter is within the channels of the rack 4 Slide the 2nd filter and 3rd filter on taller models
87. nal information The integrated control starts the circulating air blower 22 seconds after the gas valve is opened The control board is factory set to turn the blower motor off 120 seconds after the gas valve is closed Gas Supply Pressure Verification amp Adjustment 1 Turn OFF the gas supply at the manual valve located on the outside of the unit 2 Using 3 16 Allen wrench remove the plug from the inlet pressure tap INLET side of gas valve See Figure 7 page 20 3 Install an 1 8 NPT pipe thread fitting that is compatible with a Manometer or similar pressure gauge 4 Connect the Manometer or pressure gauge to the Inlet Pressure Tap 5 Turn ON the main gas supply at the manual valve 6 Check and adjust the incoming gas line pressure to 4 5 10 0 inches Water Column for Natural gas or 11 0 14 0 inches Water Column if converting unit to LP Propane gas 7 Turn OFF the gas supply at the manual valve 8 Disconnect the Manometer or pressure gauge 9 Remove the NPT fitting and reinstallthe INLET pressure tap plug Hand tighten the plug first to prevent cross threading Tighten with 3 16 Allen wrench Verifying the Firing Rate of the Appliance A WARNING Do notattemptto drill the gas orifices If the orifice size must be changed use only factory supplied orifices Improperly drilled orifices may causefire explosion carbon monoxide poisoning personal injury or death The firing rate must be verifi
88. nit Condensate Drain Air Conditioning Air conditioning condensate is removed from the unit through the 3 4 female pipe and supplied fitting located on the front side of the unit Figure 4 page 10 Install a 2 inch condensate trap in the drain line of the same size and prime with water When connecting rigid drain line hold the female fitting with a wrench to prevent twisting Do not over tighten Refer to local codes and restrictions for proper condensate disposal requirements Air Filter Requirements A WARNING Never operate the unit without a filter in place Dust and lint could accumulate on internal parts resulting in loss of efficiency equipment damage and possible fire NOTE TO INSTALLER After installing or replacing the filtration system for this unit add the following statement on or adjacent to the filter service panel Replace filter s installed in your system only with the same dimensional size filters that are being replaced suitable air filter must be installed upstream of the evaporator coil ofthe return air system For recommended external filter sizes refer to Table 1 page 10 Allreturn air must pass through the filters before entering the evaporator coil It is important that all filters be kept clean and replaced frequently to ensure proper operation of unit Dirty or clogged filters will reduce the efficiency of the unit and result in unit shutdowns Air filter pressure drop is reco
89. not use gas piping as an electrical ground This unit must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 orthe CSA C22 1 Electrical Code Grounding of the unit is accomplished by using the grounding lug provided in the control box Line Voltage The line voltage to the unit should be supplied from a dedicated branch circuit containing the correct fuse or circuit breaker for the unit Anelectrical disconnectmustbe located within sight of and readily accessible to the unit This switch shall becapable of electrically de energizing the outdoor unit See unit data label for proper incoming field wiring Any other wiring methods must be acceptable to authority having jurisdiction Use only copper wire for the line voltage power supply to this unit See Table 17 page 35 Use proper code agency listed conduit and a conduit connector for connecting the supply wires to the unit Use of rain tight conduit is recommended Provide power supply for the unit in accordance with the unit wiring diagram and the unit rating plate Overcurrent protection must be provided at the branch circuit distribution panel and sized as shown on the unit rating label and according to applicable local codes See Table 16 page 35 or the unit rating plate for minimum circuit ampacity and maximum overcurrent protection limits A wiring diagram is located on the
90. of vent pipe and cement the 2 x 22 5 degree elbow onto the 2 pipe atthis time Orient elbow in a downward position MOUNTED UNIT ROOF CURB AND ROOF NOT SHOWN 90 100 Condensate Drain Valve D Position for Downflow Applications Only e CIL x 2 PVC x 22 5 Degree Elbow 8 1 4 Mesh Screen Spring Hose Clamp Flexible Insulation Optional TH building drain per State and Local Codes 1 2 ID x 84 Drain Hose DRAIN REQUIRED INTERIOR OF BUILDING Figure 25 Condensate Disposal 49 50 51 INSTALLATION PERFORMANCE CHECK LIST INSTALLATION ADDRESS CITY STATE UNIT MODEL UNIT SERIAL Unit Installed Minimum clearances per YES Figure 1 page 5 INSTALLER NAME CITY STATE Has the owner s information been YES reviewed with the customer Has the Literature Package been left YES with the unit SINGLE PHASE UNITS ANG Volts innere ives VOLTS Max deviation of voltage from avg volts VOLTS Volt Iribalance VOLTS VENTING SYSTEM IS the heat exchanger condensate YES drain and vent pipe installed Is pipe free of restrictions YES No Filter s secured in place ves wo Filter s clean CERTIFIED www ahridirectory org Ar O CERTIFIED www ahridirectory org Unitary Small AC AHRI Standard 210 240 Certification applies only when the complete system
91. on to check all connections See page 15 Installation of equipment may require brazing operations Installer must comply with safety codes and wear appropriate safety equipment safety glasses work gloves fire extinguisher etc when performing brazing operations This equipmentis NOT to be used for temporary heating of buildings or structures under construction Use caution when handling this appliance or removing components Personal injury can occur from sharp metal edges presentin all sheet metal constructed equipment Follow all precautions in the literature on tags and on labels provided with the equipment Read and thoroughly understand the instructions provided with the equipment prior to performing the installation and operational checkout of the equipment Theinstaller should become familiar with the units wiring 3 diagram before making any electrical connections to the unit See the unit wiring label or Figure 13 page 37 Figure 14 page 38 amp Figure 15 page 39 REQUIREMENTS amp CODES This equipment must be installed in accordance with instructions outlined in this manual all applicable local building codes and the current revision of the National Fuel Gas Code NFPA54 ANSI Z223 1 or the Natural Gas and Propane Installation Code CAN CGA B149 1 All electrical wiring must be completed in accordance with local state and national codes and regulations and with the National Electric Code ANSI NFPA 7
92. ontinuously while the limit switch circuit is open All other system functions will be inoperable until the limit circuit closes While the limit circuit is open the control will display Open Limit Switch Fault See Table 5 page 25 3 The furnace control checks for continuity 24 VAC across the hall effect sensor and pressure switch If either the hall effect sensor or vent pressure switch is closed the heat mode sequence will not continue If either remains closed the control will display a Pressure Switch Closed with Inducer Off Fault until the fault condition clears 4 Hall Effect Sensor and Pressure Switch Proving The control energizes the induced draft motor on High speed and waits for the hall effect sensor and vent pressure switch to close If the hall effect sensor switch does 21 not close within 12 seconds the control will display Pressure Switch Open with Inducer On Fault If the hall effect sensor switch does not close before 60 seconds expires the control will de energize the inducer for 5 minutes and continue to display a Pressure Switch Open with Inducer On Fault during the 5 minute inducer off period After the inducer has been off for 5 minutes the control energizes the inducer motor and restarts the 60 second pressure switch proving period 5 Pre Purge If the hall effect sensor switch closes the control runs the inducer on high speed for a 30 second pre purge time while monitoring the thermostat call
93. ontrol will attempt a new ignition cycle If the pressure switch fails to close on first ignition attempt of one minute burn time and a non volatile condensate vent fault is set control will go back to lockout and display the condensate vent fault flash code Fault remains stored in non volatile memory even with cycling of thermostat or main power NOTE Nonvolatile blocked condensate vent fault will be cleared when a complete thermostat heat demand is satisfied in steady state heat mode Cooling Mode Single Stage Operation 1 call for cooling the thermostat closes applying 24 VAC to the G amp Y terminals on the low voltage terminal strip 2 The G terminal applies 24VAC to the G terminal of the integrated control energizing the main circulating blower circuit at the selected cooling speed 3 The Y terminal applies 24VAC tothe contactor energizing the outdoor compressor and fan 4 When the thermostat is satisfied the contactor and integrated control de energize Compressor and outdoor fan will stop running 5 The circulating blower motor de energizes after 60 second delay De Humidification Control If installing a humidistat install it in the return air duct as directed in the installation instructions included in the accessory kit Run the humidistat wiring through the low voltage wire entrance of the packaged unit Connect one side of the humidistat to the R terminal of the low voltage field connection board and
94. or installation routing and securement of the gas heat exchanger condensate drain line must be determined and installed prior to setting the unit on the curb Nordyne Condensate Drain amp Vent Kit 4 922485 is set up for installing the HX condensate drain line straight down through the roof It is recommended to drill a 1 00 1 25 diameter hole through the roof below the rectangular opening located in outer close off curb panel G of Nordyne offered curbs approximately 15 in from the short side of curb and 1 2 in from the long side of curb See Figure 24 f drilling a hole is not an option routing the condensate drain hose over to the duct passage opening with enough slope is acceptable as long as drain line is secured to curb and duct ensuring no kinks or traps can form betweenthe collector box drain or interior of the building Leave a minimum of 24 drain line extending out the top of roof curb front close off panel G for passage through unit bottom and connection to unit drain when unit is being set See Figure 24 Seal roof penetration as required KIT SUPPLIED PARTS DESCRIPTION QTY 2 PVC x 22 5 Decree ELBow amp 1 4 MESH SCREEN SPRING Hose CLAMP 1 2 ID x 84 Drain Hose Hose Cramp 3 4 DIAMETER SELF TAPPING SCREWS FIELD SUPPLIED PARTS PVC Solvent Cleaner and Pipe Cement e Additional condensate drain components to complete the installation PVC Pipe Hose Clamps Hangers
95. ough the unit is within the range specified on the unit data label Temperature rises outside the specified range could result in premature heat exchanger failure 1 Place thermometers in the return and supply air stream as close to the unit as possible The thermometer on the supply air side must be shielded against direct radiation from the heat exchanger to avoid false readings 2 Adjust all registers and duct dampers to the desired position Run the unit for 10 to 15 minutes before taking any temperature readings The temperature rise is the difference between the supply and return air temperatures NOTE For typical duct systems the temperature rise will fall within the range specified on the data label with the blower speed at the factory recommended setting see in Table 8 page 28 Table 9 page 28 Table 10 page 29 Table 11 page 30 Table 12 page 31 amp Table 13 page 32 If the measured temperature rise falls outside the specified range it may be necessary to change the blower speed Lowering the blower speed increases the temperature rise and a higher speed decreases the temperature rise The unit is equipped with an ECM type motors Speed selection is made by setting the switches on the motor control board See Figure 11 page 36 NOTE For change in blower speed selection to take effect system power must be cycled off then restored after 10 seconds Refer to the Blower Speed section page 13 for additio
96. r supply under normal indoor return air applications Unconditioned Spaces All duct work passing through unconditioned space must be properly insulated to minimize duct losses and prevent condensation Use insulation with an outer vapor barrier Refer to local codes for insulation material requirements Acoustical Duct Work Certain installations may require the use of acoustical lining inside the supply duct work Acoustical insulation must be in accordance with the current revision of the Sheet Metal and Air Conditioning Contractors National Association SMACNA application standard for duct liners Duct lining must be UL classified batts or blankets with a fire hazard classification of FHC 25 50 or less Fiber duct work may be used in place of internal duct liners if the fiber duct work is in accordance with the current revision of the SMACNA construction standard on fibrous glass ducts Fibrous duct work and internal acoustical lining must be NFPA Class 1 air ducts when tested per UL Standard 181 for Class 1 ducts UNIT INSTALLATION Packaging Removal Remove the shipping carton and User s Manual from the equipment Set aside the 13 x 2 PVC pipe for later use when installing the heat exchanger condensate drain and vent kit Take care notto damage the coil or cabinet when removing the carton For rooftop installations remove and discard the two supports attached beneath the unit Rigging amp Hoisting A WARNING To avoid
97. r a 30 second inter purge If after 5 cycles the pressure switch fails to close the unit will lockout for a period of one hour The blower stays energized for the selected blower off delay period This feature only activates if the unit is off for extended periods of time between heating cycles in extremely cold weather which could lead to ice formation over the vent pressure tap or the switch itself is faulty Any ice formation will clear after one or two trials One hour lockout period can be terminated by shutting off the thermostat for 5 10 seconds or main power to unit for 1 2 seconds Blocked Vent Condensate Disposal Shut Down The pressure switch is constantly monitored throughout the ignition cycle After normal operation is established if the pressure switch opens for more than 2 3 seconds the unit will shutdown and go into a 1 hour lockout The control will de energize the gas valve and inducer motor after normal post purge timing energize the main blower and store the fault in non volatile memory The blower stays energized for the selected blower off delay period The ignition control will display a flash code of Green OFF Red Flash to indicate system fault for Pressure Switch Loss Due To Blocked Vent Condensate Disposal One hour lockout period can be terminated by shutting off the thermostat for 5 10 seconds or main power to unit for 1 2 seconds After expiration of the 1 hour lockout period or manual reset the c
98. r la compagnie du gaz en utili sant le t l phone d un voisin A d faut de la compagnie du gaz avertir le service des pompiers C Enfoncer ou faire tourner le robinet gaz la main seulement Ne jamais utiliser d outils S il n est pas possible de faire tourner ou d enfoncer le robinet la main ne pas essayer de le r parer Faire appel un sp cialiste Forcer ou tenter de r parer le robinet pourrait tre l origine d une explosion ou d un incendie D II est d conseill d utiliser cet appareil en contact prolong avec l eau Faire inspecter ou remplacer toute commande par un technicien qualifi si un des syst mes de contr le du gaz s est trouv sous l eau OPERATING INSTRUCTIONS 4 MODE D EMPLOI 1 5 Read the safety information above this label 2 Set the thermostat to the lowest setting 3 Turn off all electrical power to the appliance 4 The appliance s ignition device automatically lights the burner Do not try to light burner by hand Remove the control access door panel upper door if two door model 6 Move the gas control switch to the OFF position See Figure 1 7 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow in above information If you don t smell gas go to the next step 8 Move the gas control Switch to the ON position See Figure 1 9 Replace the control access door panel
99. replace air filters at the beginning of each heating and cooling season or more frequently if required Inspect the evaporator condensate drain and outdoor coil at the beginning of each cooling season Remove any debris Clean the outdoor coil and louvers as necessary using a mild detergent and water Rinse thoroughly with water Inspect the electrical connections for tightness at the beginning of each heating and cooling season The blower compartment should be cleaned monthly during the heating and cooling seasons to remove any dirt and lint that may have accumulated in the compartment or on the blower and motor Buildup of dirt and lint on the blower and motor can create excessive loads on the motor resulting in higher than normal operating temperatures and possible shortened service life The motors for the circulating air blower outdoor fan and combustion blower are pre lubricated at the factory No further oiling is required for the life of this product Inspect and clean the screen of the vent cover assembly at the beginning of each heating and cooling season Inspect the heat exchanger condensate drain at the beginning of each heating season Horizontal Mounted Units Only Inspect condensate disposal pit or trench to ensure ground is still higher than surrounding area to shed rain and melting snow away from pit or trench Heat Exchanger amp Burner Maintenance WARNING Holes in the heat exchanger can cause products o
100. rganisme de service ou le fournisseur de gazstaller service agency or the gas supplier Ne pas entreposer ni utiliser de l essence ni d autres vapeurs ou liquides inflammables dans le voisinage de cet appareil ni de tout autre appareil QUE FAIRE S IL Y A UNE ODEUR DE GAZ Ne pas tenter d allumer aucun appareil Ne toucher aucun interrupteur lectrique n utiliser aucun t l phone dans le b timent vacuer l immeuble imm diatement Appeler imm diatement le fournisseur de gaz en employant le t l phone d un voisin Respecter la lettre les instructions du fournisseur de gaz Sipersonne ne r pond appeler le service des incendies 1 Turn ON the manual gas valve located on the outside of the unit to the ON position 2 Check all gas connections for leaks with a soap and water solution If the solution bubbles there is a gas leak which must be corrected 3 Turn on the electrical power to the appliance 4 Place the gas valve ON OFF switch to the ON position See Figure 7 page 20 5 Set the thermostat above room temperature to begin the heating cycle of the furnace 6 Check that the furnace ignites and operates properly 7 After ignition visually inspect the burner assembly to ensure that the flame is drawn directly into the center of the heat exchanger tube In a properly adjusted burner assembly the flame color should be blue with some light yellow streaks near the outer portions of the flame
101. rol will display 1 Hour Lockout Fault The thermostat must be opened for at least 10 seconds to reset the furnace control after a lock out Otherwise the furnace will attempt another ignition sequence in 1 hour N Low Fire Heat Stage 1 If flame is present at the end of the trial for ignition time the control leaves High main gas valve energized and inducer motor on High speed for the first 15 seconds and begins the heat blower 22 second on delay Control inputs are continuously monitored while the call for heat remains The control will always energize the gas valve on High fire with the inducer on High speed for the first 15 seconds of any heating cycle After this 15 second period the control switches the gas valve to Low fire and inducer to Low speed if no second stage W2 demand is present 22 8 Blower Start Up After flame is proven the furnace control energizes the circulating air blower after 22 seconds The blower will then ramp up to the airflow selected for heating 9 High Heat Staging with 2 Stage Heat Thermostat Unit will always start in High heat operation See step 7 for start up sequence After the initial 15 second start up sequence is satisfied the control will move to Low heat and wait for a W2 call from a 2 stage thermostat After a second stage heat demand is present W2 energized the gas valve will open to High heat mode increasing the flow of gas to the burners while the inducer and blower motor r
102. rown wires to W1 amp W2 between the unit low voltage terminal board and thermostat sub base See Figure 10 To operate with a single stage heat thermostat only connect the low voltage thermostat White wire between W1 the unit low voltage terminal board and thermostat sub base Reposition the automatic heat staging jumper located on the ignition control module from OFF to ON to set a 10 minute time delay before the gas furnace will automatically move to high heat operation NOTE When lowfire onthe gas valveis energized the furnace operates in low fire mode at a lower blower speed and the timer begins its delay function If the room thermostat is not satisfied before the timer activates the furnace will stage to high fire The inducer motor and blower will ramp to higher speed until the thermostat is satisfied Blower Speed The blower speed is preset at the factory for proper fan only heating and cooling operation These factory settings are listed in Table 8 page 28 Table 9 page 28 Table 10 page 29 Table 11 page 30 Table 12 page 31 amp Table 13 page 32 For optimum System performance and comfort it may be necessary to change the factory set speed To avoid personal injury or property damage make sure the motor leads do not come into contact with any un insulated metal components of the unit NOTES The CFM values listed in Table 8 Table 9 Table 10 Table 11 Table 12 amp Table 13 are DEPENDANT on
103. service personnel for this type of equipment We Encourage Professionalism S ENCE YOUR ENVIRONMENT OUR EXPERTISE MEMBER COMPANY Through Technician Certification by NATE Intertek NORDYNE COMPLETE COMFORT GENUINE VALUE Specifications amp illustrations subject to change without notice or incurring obligations 07 14 709726A Replaces 7097260
104. ssous et appeler le technicien de service TO TURN OFF DIRECTIVES D ARR T GAS APPLIANCE 1 Set the thermostat to the lowest setting 2 Turn off all electrical power to the appliance if service is to be performed 3 Remove the control access door panel upper door if two door model 4 Move the gas control switch to the OFF position Do not use force See Figure 1 1 Mettre le thermostat la position minimale 2 D brancher l appareil en pr vision de la r paration 3 Retirer le panneau volet d acc s de commande panneau sup rieur s il s agit d un mod le deux panneaux 4 R glez l interrupteur de commande du gaz la position OFF Ne forcez pas voir Figure 1 Figure 9 Gas Valve Label MODEL NUMBER R8HE HEATING INPUT BTUH HIGH 60 000 INDUCER MOTOR Electrical Data SINGLE PHASE MODELS NOMINAL ELECTRICAL X24K060XA LOW 39 000 RLA VOLTAGE RANGE COMPRESSOR SUPPLY 208 230 1 60 MIN MAX RLA LRA BLOWER MOTOR AMPS MINIMUM CIRCUIT AMPACITY MAXIMUM OVER CURRENT PROTECTION HIGH 60 000 X30K060XA LOW 39 000 208 230 1 60 HIGH 80 000 X36K080XA LOW 52 000 208 230 1 60 HIGH 80 000 X42K080XA LOW 52 000 208 230 1 60 HIGH 96 000 X48K096XA LOW 62 400 208 230 1 60 X60K096XA HIGH 96 000 LOW 62 400
105. t approved for proper operation of equipment Table 9 Heating Airflow Settings 1 1 1373 40 fisso 50 lofa 1 1395 39 1860 49 NOTE Factory settings amp recommended operating range are highlighted in bold italics Table 8 Cooling Airflow Settings 28 SWITCH SETTINGS R8HE X24K060XA X30K060XA 60 000 BTUH 30 CABINET 11 X8 BLOWER W 3 4 HP ECM MOTOR 230 VOLT OPERATION 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 0 90 1 00 RISE RISE 529 100 489 108 2 0 0 2 oOo o ojiojojojojo n 9 1 1 41 1 1 41 1 1 1 208 VOLT OPERATION SWITCH SETTINGS 0 40 0 50 0 60 0 70 0 80 3 CFM RISE CFM RISE CFM RISE CFM RISE CFM RISE 112 0 90 1 00 CFM RISE CFM RISE 472 429 123 2 0 0 96 84 75 68 63 59 55 52 49 E 47 45 44 42 41 9 9 1 1 41 1 41 1 1 5 40
106. t be measured for both LOW and HIGH fire by installing a pressure gauge Manometer Magnehelic Meter etc to the outlet end of the gas valve as follows 1 Turn off all electrical power to the appliance 2 Shut OFF the gas supply at the manual shutoff valve located outside of the appliance 3 Using a 3 16 Allen wrench remove the manifold pressure tap plug located on the outlet side of the gas valve Figure 7 4 Install an 1 8 NPT pipe thread fitting that is compatible with a Manometer or similar pressure gauge 5 Connect the Manometer or pressure gauge to the manifold pressure tap 6 Set the room thermostat 1 degree above room temperature To start the furnace on LOW fire 7 Allow the furnace to operate for minutes and then check the manifold pressure Compare the measured value with the value shown in Table 3 page 17 for Natural Gas and Table 4 page 17 for LP Propane gas Ifthe manifold pressure is notsettothe appropriate pressure then it must be adjusted 8 Record your findings and move unit operation to HIGH heating mode and Repeat Steps 3 6 20 Adjusting the Manifold Pressure NOTE If adjustment must be made to either LOW or HIGH fire settings perform the following steps 1 Remove the cap screw from the top of the gas valve regulator Figure 7 2 Usingascrewdriveror Allen wrench where appropriate slowly turn the adjustment screw till the appropriate manifold pressure listed in Table 3 or
107. ted in the Rigging and Hoisting section of unit installation instructions IMPORTANT NOTE R8HE models may be lifted withoutthe control access panel in place to accommodate the passage and installation of the condensate drain line A WARNING To avoid accidental injury 6 x6 boards should be placed across corners of the roof curb while routing the condensate drain line up through the bottom of the unit After enough drain line is passed through the bottom pan opening to guide from inside the control burner area the boards may be removed for lowering the unit the remainder of the way onto the curb While lowering unit onto the curb carefully pass the first few inches of the 24 inch condensate drain line left outside the top of the curb up through the hole in the bottom pan below the collector box drain fitting While holding the end ofthe drain line continue lowering the unit until fully seated on curb ensuring the drain line feeds upthrough the hole and does not become trapped or kinked under the unit 48 Completing the Heat Exchanger Condensate Drain Installation IMPORTANT NOTE Downflow applications require the factory set position of the condensate drain valve be changed from the horizontal H to downflow D position The condensate drain valve is located in the bottom left corner of the heat exchanger collector box to the left of the inducer motor See Figure 25 Carefully rotate the valve 90 degrees in a clockwise d
108. the conversion kit Please follow the instructions provided in each kit Approved conversion kits are listed below TheUnited States LP Propane Gas Sea Level and High Altitude Conversion Kit P N 92231 1 is for LP propane conversion in the United States at altitudes between zero and 10 000 ft above sea level The Canadian LP Propane Gas Sea Level and High Altitude Conversion Kit P N 922312 is for LP propane conversions in Canada at altitudes between zero and 4 500 ft above sea level For installations between zero and 4 999 ft above sea level a 55 drill size orifice should be used Installations 5 000 ft above sea level require a 56 drill size orifice Table 4 page 17 lists the correct orifice sizes and manifold pressures for operation at different altitudes After changing the orifices it is required that you measure the gas input rate by clocking the gas meter and using the local gas heating value See Verifying the Firing Rate of the Appliance section on page 19 Shut Off Valve with 1 8 NPT plugged tap N Automatic Gas Valve with manual shut off Some utilities require Shut Off Valve to be 4 to 5 feet above floor Burner Assembly Ground Joint Union lt Dripleg Manifold Figure 6 Typical Gas Hookup Right Side Entry MODEL NUMBER R8HE PPG3HE X24K060 X XA o z z lt oc 3 20 2 a gt a a 2 o MINIMUM GAS SUPPLY PRESSURE IN WC MANIFOLD PRE
109. the low voltage area of the control box Verify thatthe gas line service pressure does not exceed 10 0 inches WC 0 36 psig and is not less than 4 5 inches WC 0 16 psig for natural gas For LP gas the line service pressure must not exceed 14 inches WC 0 51 psig and must not be less than 11 0 inches WC 0 40 psig Y Verify that the flame roll out control is closed If necessary press the red button to reset the control DO NOT install a jumper wire across the control to defeat its function If the control reopens upon start up DO NOT reset the control without identifying and correcting the fault condition which caused the control to trip Y Verify that the gas line has been purged and all connections are leak tight Verify that all exterior panels are replaced and securely fastened Verify that the outdoor fan turns freely Verify that the power supply branch circuit overcurrent protection is sized properly Y Verify that the thermostat is wired correctly The thermostat function switch should be set to OFF and the thermostat fan switch should be set to AUTO Start Up Procedure WARNING If this unit is equipped with crankcase heaters allow 24 hrs for heating of the refrigerant compressor crankcase priorto start up oranytime the power has been removed for more than 12 hrs Failure to comply may result in damage or cause premature failure of the system Air Circulation Leave the thermostat system mode on O
110. the risk of property damage personal injury or death it is the rigger s responsibility to ensure that whatever means are used to hoist the unit are safe and adequate Thelifting equipment must be adequate for the load Refer to Table 7 page 27 for unit weights The unit must be lifted from the holes in the base rails using cables or chains Spreader bars are required to protect the unit and ensure even loading Keepthe unit in an upright position at all times The rigging must be located outside the units center of gravity Refer to Figure 7 page 20 for locating the center of gravity All panels must be securely in place during rigging and hoisting except control access panel See page 48 for additional lifting and setting of unit requirements Clearances to Combustible Materials These units are certified as combination heating and cooling equipment for outdoor rooftop or ground level installations Units may be installed on combustible flooring or class or roofing material when used with bottom supply and return air ducts as long as the following requirements are met If using bottom discharge with return air ducts a roof curb must be installed prior to unit installation See Rigging and Hoisting section for setting of the unit Sufficient clearance for unobstructed airflow through the outdoor coil must also be maintained in order to achieve rated performance For information about locating the equipment
111. vel heating value Natural Gas heating values listed in Table 3 page 17 are based on sea level values All factory shipped furnaces are ready to operate using Natural Gas between zero and 2 000 ft above sea level For altitudes between 2 000 and 10 000 feet above sea level the unit can be converted by adjusting the unit s manifold pressure and or changing the orifices See Table 3 for the correct manifold pressure settings NOTE If installing this unit above 2 000 feet the input rate must be reduced 495 per 1 000 feet of altitude Example 12 at 3 000 feet 16 at 4 000 feet etc Deration is necessary to compensate for low atmospheric pressure at high altitudes 16 LP Propane Gas Conversion WARNING This unit was equipped at the factory for use with natural gas only A special kit supplied by the manufacturer is required to convert the unit to operate on LP propane gas Failure to use the proper conversion kit can cause fire explosion property damage carbon monoxide poisoning personal injury or death Conversion of this equipment to LP Propane gas must be made by qualified service personnel using approved factory parts Conversion to LP can be accomplished by replacing the natural gas orifices with the appropriate LP Propane orifices and then adjusting the manifold pressure page 20 Conversion to LP Propane sea level and high altitude is detailed in the installation instructions provided with
112. vent system 9 While holding the 2 pipe completely vertical and centered to the drain Tee slowly backfill the pit around the outside of the pipe NOTE Use the remaining rock or chat until above the frost line then use remaining backfill materials from the excavation area 10 Continue to backfill the hole until 1 2 above grade level then grade away to keep rain water from collecting in the pit area as the ground settles over time Add any remaining top soil and sod back to pit location if desired 11 Proceed to Completing the Vent section page 45 NOTE INSTALLER READ THIS BEFORE YOU DIG Before you begin digging the trench for the condensate drain line assembly you may need to call to find out where underground electric gas or other utilities are located Some state laws require that a locate request be placed at least three 3 working days prior to any digging projects The utilities should respond to your request by marking the approximate location of their utilities or notifying you that they have no utilities in your dig site area After confirming utility response you can then proceed with your excavation avoiding damages Horizontal Drain Trench Method Alternate Drain Construction If the surrounding area does not allow the digging of a pit due to rock dense clay soil etc the drain may be applied in a shallower horizontal trench as long as regional conditions allow This type of application is not
113. voltages were 451 460 and 453 The average would be 454 volts 451 460 453 1 364 3 454 3 Determine the maximum deviation EXAMPLE From the values given in step 1 the BC voltage 460V is the greatest difference in value from the average 460 454 6 Highest Value 454 451 3 454 453 1 4 Determine percent of voltage imbalance by using the results from steps2 amp 3inthefollowing equation EXAMPLE 1 32 100 x 454 max voltage deviation from average voltage Voltage Imbalance 100 x average voltage The amount of phase imbalance 1 32 is satisfactory since the amount is lower than the maximum allowable 2 Please contact your local electric utility company if your voltage imbalance is more than 2 12 Thermostat Low Voltage Connections e This unit is designed to operate from 24 VAC Class control circuit A single stage cooling two stage heating thermostat should be used with this unit See Figure 10 page 36 for typical thermostat connection The control circuit wiring must comply with the current provisions of the NEC ANSI NFPA 70 and with applicable local codes having jurisdiction Thermostat connections should be made in accordance with the instructions supplied with the thermostat and the indoor equipment The low voltage wires must be properly connected Route 24V control wires through the sealing grommet near the power entrance Recommende

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