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Bryant 580F Gas Heater User Manual

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3. FIELD M TRA TRI CCESSOR e POSITION POT 10V REMOTE 135 Ohm cpi if ti d 24 T gt em MIN RGE AIR Ama 07 BLK m GRA 11 4 G vax FIELD INSTALLED PLI 3 lO SENSOR L 12 NC Q T 3 NOT USED at mon m 2 0 e a HALPY 50 i m sol 2v 10V 4 5 TO MAIN 1 5 RETURN AIR TEMP CONTROL ENTHALPY SENSOR PL1 6 M ss PL1 7 lt aLk 4 1 PL1 11 Fi PLI 12 M PLA l l FIELD SPLICE BRN PL1 2 PL1 10 N FIELD SPLICE NOT USED Ly ECONOMIZER MOTOR LEGEND Potentiometer Default Settings NOTES _ laf Power Exhaust Middle 1 620 ohm 1 watt 596 resistor should be removed only when using differential rom 22 Ventilation Minimum Fully Closed enthalpy or dry bulb LALS Low Temperature Compressor DCV Max Middle 2 If a separate field supplied 24 v transformer is used for the IAQ sensor power Lockout Switch DCV Set Middle supply it cannot have the secondary of the transformer grounded Outdoor Air Temperature Enthalpy C Setting 3 POT Potentiometer For field installed remote minimum position POT remove black wire jumper between P and P1 and set control minimum position POT to the minimum position Fig 27 EconoMi erlV Wiring Table
4. tt tt tt 1021 1002 984 965 947 928 910 891 873 18 ff ft tt 1200 1178 1156 1134 1112 1091 1069 1047 1025 211 tt 1095 1077 1058 1040 1021 1002 984 965 947 928 910 210 1287 1265 1243 1222 1200 1178 1156 1134 1112 1091 1069 240 tft ft tt ftt 1369 1347 1325 1303 1281 1259 1237 1215 1193 soo tt tf tt 1551 1524 1497 1470 1443 1415 1388 1361 1332 Approximate fan rom shown TIndicates standard drive package Indicates alternate drive package ttDue to belt and pulley size pulley cannot be set to this number of turns open Table 24 Evaporator Fan Motor Data UNIT MAXIMUM ACCEPTABLE MAXIMUM ACCEPTABLE MAXIMUM ACCEPTABLE MAXIMUM VOLTAGE CONTINUOUS BHP CONTINUOUS BkW OPERATING WATTS AMP DRAW 208 230 iain 208 230 208 230 7 915 8 640 208 230 10 20 9 510 11 80 11 000 LEGEND kilowatt ratings shown in this table will not result in nuisance tripping BHP Brake Horsepower or premature motor failure Unit warranty will not be affected BkW Brake Kilowatts NOTE All indoor fan motors 5 hp and larger meet the minimum effi ciency requirements as established by the Energy Policy Act of 1992 Extensive motor and electrical testing on these units ensures that the EPACT effective October 24 1997 full horsepower brake ki
5. is factory installed all electrical connections have been made and adjusted at the factory Assemble and install hood in the field 15 COMBUSTION POWER EXHAUST FAN MOTOR SUPPLY EE 82 82 110 110 86 86 110 110 4 4 87 87 92 92 4 4 124 124 129 129 6 6 138 138 143143 64 E m gt ala olo 110 110 110 110 a 150 150 150 150 1 3 4 7 1 3 175 175 150 175 LRA 60 EL Ea 2 3 6 0 60 6 Voltage Imbalance 100 max voltage deviation from average voltage average voltage EXAMPLE Supply voltage is 460 3 60 A 452 BC 464 455 Average Voltage 15214011455 _ 137 3 457 Determine maximum deviation from average voltage 457 452 5 BC 464 457 7 457 455 2v Maximum deviation is 7 v Determine percent voltage imbalance Voltage Imbalance 100 qe 1 5396 This amount of phase imbalance is satisfactory as it is below the maximum allowable 2 IMPORTANT If the supply voltage phase imbalance is more than 2 con tact your local electric utility company immediately 25 ADJUSTABLE AIR DAMPER BASE UNIT SECURING SCREWS Fig 18 Standard 25 Outdoor Air Section Details IMPORT
6. FIELD INSTALLED ACCESSORY NM REMOVE RED JUMPER WHEN INSTALLED o Be EE U 10 POWER EXHAUST 10 lt lt 10 OPTION YEL YEL Fig 45 Typical Wiring Schematic 580F240 208 230 V Shown 40 COMPONENT ARRANGEMENT CONTROL BOX 0000 0000 CLO 1 D 49 49 G2 ojj 09 0 G2 e lt ic owz o ea 0RM1 230 TRANI 0 208 YEL GAS SECTION J2 eaj 9 181 S e 151 CAP3 BOTTOM I D CAP2 MIDDLE CB3 1 TOP 182 5 A FIELD POWER WIRING FIELD CONTROL WIRING OFM1 2 3 DISCONNECT PER NEC COMP 1420 1 FPT HPS 152 2 182 0 YEL Dj 0 PNK ECONOMISER IV BLU BOARD RED COM ORN FIELD Ni TRA DD Hi H 12 POSITION BLK aw 10 REMOTE POT 135 Ohm 1 fl REWOTE POT 135 Ohmi
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10. SHIELD NOTE Dimensions are in inches Fig 41 Condenser Fan Adjustment 580F240 BOTH CIRCUITS ALL OUTDOOR FANS MUST BE OPERATING 140 ADD CHARGE IF ABOVE CURVE A e o REDUCE CHARGE IF BELOW CURVE LIQUID TEMPERATURE AT LIQUID VALVE DEG F 100 150 200 250 300 350 400 LIQUID PRESSURE AT LIQUID VALVE PSIG Fig 42 Cooling Charging Chart C To Use the Cooling Charging Chart Use the above temperature and pressure readings and find the intersection point on the cooling charging chart If inter section point on chart is above line add refrigerant If inter section point on chart is below line carefully recover some of the charge Recheck suction pressure as charge is adjusted NOTE Indoor air cfm must be within normal operating range of unit All outdoor fans must be operating The TXV thermostatic expansion valve is set to maintain between 15 and 20 degrees of superheat at the compressors The valves are factory set and should not require re adjustment D Perfect Humidity System Charging The system charge for units with the Perfect Humidity option is greater than that of the standard unit alone The charge for units with this option is indicated on the unit nameplate drawing To charge systems using the Perfect Humidity dehumidification package
11. YOT 92 sun ueewjeq sepis seoeuns ejqnsnquioo 6121 0 7 E 0 1 do eui suo 0115354009110 U09 6121 0 0 eq ueo 5141 10 pE LZ 0 BOY 9 juo qana oi eq 6 GH3NHOO WOldAL eel jo v WOIdAL VIC 1 J jo ge 310H VIG 05 72 601 suoisueuuip 10ss929e GUND 001 10 JULI L 91 5 0 i 8310N i V oT do 802 8012 azn 510 705 8 1 8 0 6601 9 072 652 9 93 93 tp 0601 0062086 asp 291 5 1 0 91 81 0 291 6 p 1 9991 8 91 61 Z 1m LEFI IL E LZ g 9 81 65 81 69S 81 925 81 265 81 06 81 0422 4 0072 952 0 2 1HOI3M 1H9I3M EWIG V WIC 11 015 310H 1 8 E 1 Table 1 Physical Data UNIT 580F 29 240 30 ___ NOMINAL CAPACITY tons OPERATING WEIGHT 1800 1850 1900 2270 EconoMi erl
12. m 3t 0 A 2 ee 50 DISCHARGE AIR n All SENSOR 3k Ohm 9 LI 3 40 A BLK IB RED OPEN BLK GRA PLI 4 4 I INSTALLED TAO PL1 3 10 1 WO 0 NOT USED NOTE 10 3t m PLI 9 gol l ENTHALPY SENSOR 5 o SET PLI 8 4 8 0 4 4 stt wort 50 a Tov FREE TO MAIN _ PLI 5 RETURN AIR TEMP se COOL 3 trj en CONTROL _ ENTHALPY SENSOR x E pe see more cw e 5 PL1 7 1 BLU lt BLK T PLI 11 erm PLI 12 FIELD SPLICE PLI 1 BRN PLI 2 4 RED IAQ PL1 10 FIELD SPLICE NOT USED ECONOMIZER MOTOR Fig 46 Typical Component Arrangement 580F240 Shown 41 LEGEND AND NOTES FOR FIG 45 AND 46 LEGEND AHA Adjustable Heat Anticipator PL Plug Assembly Contactor Compressor Quadruple Termina CB Circuit Breaker RAT Return Air Temperature Sensor cc Cooling Compensator RS Rollout Switch CH Crankcase Heater SN Sensor CLO Compressor Lockout SW Switch COMP Compressor Motor Terminal e CR Control Relay Thermostat Cooling DM Damper Motor TH Thermostat Heating DU Dummy Terminal TRAN
13. 90 102 Table 9 Return Air Pressure Drop in wg CFM pM 4500 5000 5400 6000 7200 7500 9000 10 000 11 250 B EconoMi erlV Standard Sensors Outdoor Air Temperature OAT Sensor The outdoor air temperature sensor 57 74 is a 10 to 20 mA device used to measure the outdoor air temperature The outdoor air temperature is used to determine when the EconoMi erlV can be used for free cooling The sensor must be field relocated See Fig 25 The operating range of tem perature measurement is 40 to 100 F Supply Air Temperature SAT Sensor The supply air temperature sensor is a 3 K thermistor located at the inlet of the indoor fan See Fig 26 This sensor is factory installed The operating range of temperature measurement is 0 to 158 F See Table 10 for sensor tempera ture resistance values The temperature sensor looks like an eyelet terminal with wires running to it The sensor is located in the crimp end and is sealed from moisture Low Temperature Compressor Lockout Switch EconoMi erlV is equipped with an ambient tempera ture lockout switch located in the outdoor air stream which is used to lockout the compressors below 42 F ambient tem perature SeeFig 25 18 YEL PNK BLU RED ORN
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15. A High Elevation Above 2000 ft Use accessory high altitude kit when installing this unit at an elevation of 2000 to 7000 ft For elevations above 7000 ft refer to Table 2 to identify the correct orifice size for the elevation See Table 3 for the number of orifices required for each unit size Purchase these orifices from your local Bryant dealer Follow instructions in accessory Installation Instruc tions to install the correct orifices Table 2 Altitude Compensation ELEVATION ft NATURAL GAS ORIFICET LowHeat HighHeat As the height above sea level increases there is less oxygen per cubic foot of air Therefore heat input rate should be reduced at higher alti tudes Includes a 4 6 input reduction per each 1000 ft TOrifices available through your Bryant dealer Table 3 Orifice Quantity UNIT ORIFICE QUANTITY 580F180 Low Heat 580F210 Low Heat 580F240 Low Heat 580F300 Low Heat 580F180 High Heat 580F210 High Heat 580F240 High Heat 580F300 High Heat B Conversion To LP Liquid Propane Gas Use accessory LP gas conversion kit when converting this unit for use with LP fuel usage for elevations up to 7000 ft For elevations above 7000 ft refer to Table 4 to identify the correct orifice size for the elevation See Table 3 for the number of orifices required for each unit size Purchase these orifices from your local Bryant dealer Follow instructions in accessory Installation Instructions
16. Transformer EQUIP Equipment Freeze Protection Thermostat lt gt Terminal Marked ENS ER Terminal Unmarked Groun 5 High Pressure Switch Terminal Block HS Hall Effect Sensor 3 HV High Voltage Splice re Factory Wiring Indoor Air Quality Sensor Field Wiring IDM Induced Draft Motor IFC Indoor Fan Contactor Option Accessory Wiring IFCB Indoor Fan Circuit Breaker indi 5 IFM Z Indoor Fan Motor ce IGC Integrated Gas Unit Tm FE ae 357 Economizer Motor Light Emitting Diode LOR Lockout Relay M Remote Field Accessory LPS Low Pressure Switch 15 Limit Switch et OAT Sensor MGV Main Gas Valve ns 5 National Electrical Code Sameer OAT Outdoor Air Temperature Sensor D OCCUP Occupancy Sensor e RAT Accessory Sensor OFC Outdoor Fan Contactor Outdoor Fan Motor Low Ambient Lockout Switch NOTES 1 ORON 10 11 Compressor and or fan motor s thermally protected three phase motors protected against primary single phasing conditions If any of the original wire furnished must be replaced it must be replaced with Type 90 or its equivalent Jumpers are omitted when unit is equipped with economizer IFCB must trip amps is equal to or less than 140 FLA On TRAN use BLK lead for 460 v power su
17. fully evacuate recover and re charge the system to the nameplate specified charge level To check or adjust refrigerant charge on systems using the Perfect Humidity dehumidification package charge per the standard subcooling charts The subcooler MUST be deenergized to use the charging charts The charts reference a liquid pressure psig and temperature at a point between the condenser coil and the subcooler coil A tap is provided on the unit to measure liquid pressure entering the sub cooler leaving the condenser IX GAS VALVE ADJUSTMENT A Natural Gas The gas valve opens and doses in response to the thermostat or limit control When power is supplied to valve terminals D1 and C2 the main valve opens to its preset position The regular factory setting is stamped on the valve body 3 3 in wg To adjust regulator 1 Set thermostat at setting for no call for heat 2 Turn main gas valveto OFF position 3 Remove pipe plug from manifold or gas valve pressure tap connection Install a suitable pressure measuring device 4 Set main gas valveto ON position Set thermostat at setting to call for heat 6 Remove screw cap covering regulator adjustment screw seeFig 43 7 Turn adjustment screw clockwise to increase pres sure or counterclockwise to decrease pressure 8 Once desired pressure is established set thermostat setting for no call for heat turn off main gas valve remove pressure measuring devi
18. that refrigerant circuit will be automati cally locked out by the CLO To reset manually move the thermostat setting E Freeze Protection Thermostat FPT An FPT is located on the top and bottom of the evaporator coil They detect frost build up and turn off the compressor allowing the coil to dear Once the frost has melted the compressor can be reenergized by resetting the compressor lockout XIII RELIEF DEVICES All units have relief devices to protect against damage from excessive pressures i e fire These devices protect the high and low side XIV CONTROL CIRCUIT 24 V This control circuit is protected against overcurrent by a 3 2 amp circuit breaker Breaker can be reset If it trips determine cause of trouble before resetting See Fig 45 and 46 for typical wiring diagrams XV REPLACEMENT PARTS A complete list of replacement parts may be obtained from any Bryant distributor upon request XVI DIAGNOSTIC IGC CONTROL LEDs The unit control boards have LEDs for diagnostic purposes Refer to Troubleshooting section on page 43 XVII OPTIONAL HINGED ACCESS DOORS When the optional hinged access doors option is ordered the unit will be provided with external and internal hinged access doors to facilitate service Four external hinged access doors are provided on size 180 240 units Two external hinged doors are provided on size 300 units All external doors are provided with 2 large 1 4 turn latches with
19. 10 Supply Air Sensor Temperature Resistance Values 205 106 2 5800 6 oe 5970 C S 246 4 i09 14 7 ts 5 3 3194 2 322 2 239 7 39 83 46 25 76 21 74 03 70 5 C EconoMi erlV Control Modes Determine the EconoMi erlV control mode before set up of the control Some modes of operation may require different sensors Refer to Table 11 The EconoMi erlV is supplied from the fac tory with a supply air temperature sensor a low temperature compressor lockout switch and an outdoor air temperature sensor This allows for operation of the EconoMi erl V with out door air dry bulb changeover control Additional accessories can be added to allow for different types of changeover control and operation of the E conoMi erl V and unit Outdoor Dry Bulb Changeover The standard controller is shipped from the factory config ured for outdoor dry bulb changeover control The outdoor air and supply air temperature sensors are included as stan dard For this control mode the outdoor temperature is com pared to an adjustable set point selected on the control If the outdoor air temperature is above the set point the EconoMi erlV will adjust the outdoor air dampers to mini mum position If the outdoor air temperature is below the set point the position of the outdoor air dampers will b
20. A trap at least 4 in deep must be used A e BAFFLE NOTE Dimensions A A B and B are obtained from field supplied ceiling diffuser Shaded areas indicate block off panels Fig 9 Concentric Duct Details 2 WIND BAFFLE FLUE 28 lt HOOD COMBUSTION FAN HOUSING INSIDE WIND BAFFLE MOUNTING HOLES Fig 10 Flue Hood Location INDUCED DRAFT MOTOR COMBUSTION BURNER HEAT EXCHANGER FAN HOUSING SECTION SECTION Fig 11 Combustion Fan Housing Location 3 4 FPT DRAIN 1 3 8 CONNECTION Fig 12 Condensate Drain Details 580F180 Shown DRAIN HOLE 3 4 IN FPT DRAIN CONNECTION HALF COUPLING 2 IN FIELD SUPPLIED NIPPLE BASE RAIL 8 1 2 IN FIELD SUPPLIED NIPPLE Fig 13 Condensate Drain Piping Details Vil STEP 7 ORIFICE CHANGE This unit is factory assembled for heating operation using natural gas at an elevation from sea level to 2000 ft This unit uses orifice type LH 32RF nnn where nnn indicates the orifice size based on drill size diameter in thousands of an inch
21. Fan Performance 580F210275 Low Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW AIRFLOW Cfm LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 910 to 1095 rpm Alternate high static drive range is 1069 to 1287 Other rpms require a field supplied drive Refer to page 32 for general Fan Performance Data notes NOTE Maximum continuous bhp is 5 90 The maximum continuous watts is 5180 Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operating cfm See Table 24 for more information Table 16 Fan Performance 580F210360 High Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW AIRFLOW Cfm LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 910 to 1095 rpm Alternate high static drive range is 1069 to 1287 Other rpms require a field supplied drive Refer to page 32 for general Fan Performance Data notes NOTE Maximum continuous bhp is 5 90 The maximum continuous watts is 5180 Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operating cfm See Table 24 for more information 29 Table 17 Fan Performance 580F240275 Low Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW Cfm 6 000 6 500 7 000 7 500 8 000 8 50
22. Installation Instructions for additional information as required When accessory roof curb or horizontal adapter roof curb is used unit may be installed on dass A B or C roof cov ering material Instructions continued on page 4 0t2 081308 11035 3015 uly Nuni3u uu 1138 TNNOT1d0 114405 07314 Cep Nan 398 Adds NOILVINSNI 01918 91 6 1 Slp 91 5 F 91 1 9 SONINAdO LINO G31 1ddNS 07314 s iejeg qun 6 4 o8 00 2 10881244422 IKS E021 2944 27 8 OOVZLOSYNDIYYD Z eaa 9881 9 Sl d 9 0 00vcL0OBH02 3882 1 x SU3NHO2 p dAl a ONT 3009 52 5 INO 0731 4 285 95310 91915 114405 07314 2 15 0 1 07314 p 1134 91 4008 7201 x D 1 314 SNIHSV 3 H31Nn02 day 8909 HLIM 3114405 1H913H 1335y9 7 1 3015 303 13NVd 10710021204 JIUN jo uoujx S3ONVH3101 1 LINNA p NI 8c Sy NI 8c 7930 93d LINA 8 seyou puo seeubap SNOISN3MIG 8905 3004 01 1200 HOVLLY ED 91 730 1 0 INO 00YZ 10840124882 30133 AJdddns di
23. Subcooler Will Not Deenergize Liquid Line three way valve will not close ve is stuck open replace Low System Capacity Low refrigerant charge or frosted coil Check charge amount See system charging section Evaporator coil frosted check and replace subcooler control low pressure switch if necessary Table 27 Heating Service Analysis PROBLEM CAUSE REMEDY Burners Will Not Misaligned spark electrodes Check flame ignition and sensor electrode positioning Ignite Adjust as needed No gas at main burners Check gas line for air purge as necessary After purging gas line of air allow gas to dissipate for at least 5 minutes before attempting to relight unit Check gas valve Water in gas line Drain water and install drip leg to trap water No power to furnace Check power supply fuses wiring and circuit breaker No 24 v power supply to control circuit Check transformer Transformers with internal overcurrent protection require a cool down period before resetting Check 24 v circuit breaker reset if necessary Miswired or loose connections Check all wiring and wire nut connections Burned out heat anticipator in thermostat Replace thermostat Broken thermostat wires Run continuity check Replace wires if necessary Inadequate Heating Dirty air filter Clean or replace filter as necessary Gas input to unit too low Check gas pressure at manifold Clock gas meter for input If too low increase manifold pressure
24. Sunoco Texaco Prestige 42 Multifak 2 Preferred lubricant because it contains rust and oxidation inhibitors C Condenser and Evaporator Fan Motor Bearings The condenser and evaporator fan motors have permanently sealed bearings so no field lubrication is necessary EVAPORATOR FAN PERFORMANCE ADJUSTMENT Fig 38 and 39 Fan motor pulleys are factory set for speed shown in Table 1 To change fan speeds 1 Shut off unit power supply 2 Loosen nuts on the 2 carriage bolts in the motor mounting base Install jacking bolt and plate under motor base bolt and plate are shipped in installer s packet Using bolt and plate raise motor to top of slide and remove belt Secure motor in this position by tightening the nuts on the carriage bolts 3 Loosen movable pulley flange setscrew see Fig 38 4 Screw movable flange toward fixed flange to increase speed and away from fixed flange to decrease speed Increasing fan speed increases load on motor Do not exceed maximum speed specified in Table 1 See Table 21 for air quantity limits 5 Set movable flange at nearest keyway of pulley hub and tighten setscrew See Table 1 for speed change for each full turn of pulley flange 6 Replace and tighten belts See Belt Tension Adjust ment section below To align fan and motor pulleys 1 Loosen fan pulley setscrews 2 Slide fan pulley along fan shaft 3 Make angular alignment by loosening motor from mounting plate I
25. YEL YEL AHK 59 Fo BRN BRN Tun 3 705 oru BLK BLK CEL YEL BLK BLK So Ho gay 2 Yt 2L ve or BLK YEL BLU Loy CAP3 GL v BLK LH1 gi BLK BLK BLK SEE 3 atol T YEL i PLI 2 TRANI RED 35 RED RED BRI 1 ay BR 182 RED GRN YEL BRI Isc PLI T BLK gt BLK n a aac on C2 9 10 m iU BRI TRANI me RED CH Heme PMR RED BRN 3 2 AMPS RS BRN BRN d m 3 cra GIO lt 152 Fi FLAME SEN BRI TRANI BRI orc GROUNDED THRU STANDOFF BRN BRN lt lt BRI PL1 1 BRN BRI BRO 166 13 m 51 1 51 IFC 1 2 3 BRN BRN BRN 52 LPS2 Ri ce OR FPT2 9 m ns 9 gt 102 NOTE 5 PLI 9 PN BRN PLI 1 BRN WHT FIELD THERMOS TO ECONOMIZER OPTION ACCESSORY BLK RED OCCUPIED BLU BLU 1 PNK TO ECONOMIZER OPTION ACCESSORY OCCUPANCY SWITCH
26. exhaust vents or other sources of contaminated air For proper unit operation adequate combustion and ventila tion air must be provided in accordance with Section 5 3 Air for Combustion and Ventilation of the National Fuel Gas Code ANSI Z223 1 American National Standards Institute Although unit is weatherproof guard against water from higher level runoff and overhangs Locate mechanical draft system flue assembly at least 4 ft from any opening through which combustion products could enter the building and at least 4 ft from any adjacent build ing When unit is located adjacent to public walkways flue assembly must be at least 7 ft above grade B Roof Mount Check building codes for weight distribution requirements Unit operating weight is shown in Table 1 Instructions continued on page 11 NOTES Dimensions are in millimeters Refer to Fig 4 6 for unit operating weights Remove boards at ends of unit and runners prior to rigging Rig by inserting hooks into unit base rails as shown Use corner DETAIL post from packaging to protect coil from damage Use bumper RIGGING HOOK boards for spreader bars on all units ud 5 Weights do not include optional EconoMi erlV Add 90 Ib 41 kg for EconoMi erlV weight 6 Weights given are for aluminum evaporator and condenser coil plate fins 10 0 3048 N CAUTION All panels must be in place when rig
27. from a remote location To control the minimum damper position remotely remove the factory installed jumper on the P and P1 terminals on the EconoMi erlV controller Wire the field supplied potenti ometer to the and P1 terminals on the EconoMi erl con troller See Fig 30 Damper Movement Damper movement from full open to full closed or vice versa takes 21 2 minutes Thermostats The EconoMi erlV control works with conventional thermo stats that have a Y1 cool stage 1 Y2 cool stage 2 W1 heat stage 1 W2 heat stage 2 and G fan The EconoMi erlV control does not support space temperature sensors Connections are made at the thermostat terminal connection board located in the main control box Occupancy Control The factory default configuration for the EconoMi erlV con trol is occupied mode Occupied status is provided by the red jumper from terminal TB2 9 to terminal TB2 10 When unoccupied mode is desired install a field supplied timeclock function in place of the jumper between terminals TB2 9 and TB2 10 See Fig 27 When the timeclock contacts are closed the EconoMi erlV control will be in occupied mode When the timedock contacts are open removing the 24 v signal from terminal N the EconoMi erlV will be in unoccupied mode Demand Controlled Ventilation DCV When using the EconoMi erlV for demand controlled venti lation there are some equipment selection criteria which should be considered Wh
28. section of filter support bracket STEP 12 INSTALL ALL ACCESSORIES After all the factory installed options have been adjusted install all field installed accessories Refer to the accessory installation instructions induded with each accessory A Motormaster Control 20 F Installation 580F180 and 210 Only Install Field Fabricated Wind Baffles Wind baffles must be field fabricated for all units to ensure proper cooling cycle operation at low ambient temperatures See Fig 22 for baffle details Use 20 gage galvanized sheet metal or similar corrosion resistant metal for baffles Use field supplied screws to attach baffles to unit Screws should be 1 4 in diameter and 5 long Drill required screw holes for mounting baffles N CAUTION To avoid damage to the refrigerant coils and electrical components use recommended Screw sizes only Use care when drilling holes Install Motormaster Controls One Motormaster control is required on size 180 and 210 units The Motormaster control must be used in conjunction with the accessory fan motor sequencing kit and winter start kit purchased separately The Motormaster device controls outdoor fan no 1 while outdoor fans no 2 and 3 are sequenced off by the accessory fan motor sequencing kit Accessory Fan Motor Sequencing Kit Install the accessory fan motor sequencing kit per instruction supplied with acces sory purchased separately Winter Sta
29. 0 9 000 9 500 10 000 CO NRNOWN 200 OORNANAOOG Co C 00 00 OUT o60o0do0moooo o OY OUS CO 0 BRROAO0000 foco xo OVO 00 02 0 AVAILABLE EXTERNAL STATIC PRESSURE wg AIRFLOW Cfm 4 54 5 04 5 58 6 16 6 79 7 46 8 17 8 92 9 72 1 AVAILABLE EXTERNAL ee PRESSURE ae ae wg AIRFLOW Cfm 1492 1520 1550 LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 1002 to 1151 rpm Alternate high static drive range is 1193 to 1369 Other rpms require a field supplied drive 5647 537 Watts 4 6052 6495 Refer to page 32 for general Fan Performance Data notes NOTE Maximum continuous bhp for the standard motor is 8 7 for 208 230 v units and 9 5 for 460 v units The maximum continuous watts is 7915 for 208 230 v units and 8640 for 460 v units Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operating cfm See Table 24 for additional information Table 18 Fan Performance 580F240360 High Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW m _____02 Rpm Watts Rp
30. 2 2 1000 c 0 2 3 4 5 6 7 8 DAMPER VOLTAGE FOR MAX VENTILATION Fig 33 Sensor Maximum Range Setting To determine the minimum position setting perform the following procedure 1 Calculate the appropriate mixed air temperature using the following formula Tox quo T Outdoor Air Temperature OA Percent of Outdoor Air Tr Return Air Temperature RA Percent of Return Air Tm Mixed Air Temperature Asan example if local codes require 10 outdoor air during occupied conditions outdoor air temperature is 60 F and return air temperature is 75 F 60 10 75 x 90 73 5 F 2 Disconnect the supply air sensor from terminals T and T1 3 Ensure that the factory installed jumper is in place across terminals P and P1 If remote damper posi tioning is being used make sure that the terminals are wired according to Fig 27 and that the minimum position potentiometer is turned fully dockwise 4 Connect 24 vac across terminals TR and 1 5 Carefully adjust the minimum position potentiometer until the measured mixed air temperature matches the calculated value 6 Reconnect the supply air sensor to terminals T and T1 Remote control of the EconoMi erlV damper is desirable when requiring additional temporary ventilation If a field supplied remote potentiometer oneywell part number 6963 1128 is wired to the EconoMi erlV controller the minimum position of the damper can be controlled
31. 3 IMMEDIATELY call your gas supplier from a neighbor s phone Follow the gas supplier s instructions 4 f you cannot reach your gas supplier call the fire department WARNING Disconnect gas piping from unit when pressure testing at pressure greater than 0 5 psig Pres sures greater than 0 5 psig will cause gas valve damage resulting in hazardous condition If gas valve is subjected to pressure greater than 0 5 psig it must be replaced before use When pressure testing field supplied gas pip ing at pressures of 0 5 psig or less a unit connected to such piping must be isolated by dosing the manual gas valve s IMPORTANT Units have high ambient operating limits If limits are exceeded the units will automatically lock the com pressor out of operation Manual reset will be required to restart the compressor INSTALLATION STEP 1 PROVIDE UNIT SUPPORT A Roof Curb Assemble or install accessory roof curb or horizontal adapter roof curb in accordance with instructions shipped with this accessory See Fig 1A 1B and 2 Install insulation cant strips roofing and counter flashing as shown Ductwork can be installed to roof curb or horizontal adapter roof curb before unit is set in place Curb or adapter roof curb should be level This is necessary to permit unit drain to function properly Unit leveling tolerance is 1 16 in per linear ft in any direc tion Refer to Accessory Roof Curb or Horizontal Adapter Roof Curb
32. 30NO9 i QN3 YASNIGNOD ONY YOSSIYdNOD i 709 Gund ONINAdO AdddN Y i toic G4LVIASNI 17 1 843 835830802 ONY 805538402 ress l3NVd GILVINSNI 41 1 VINOZINOH OL LINN 30 3903 WOX 034015 S39NVu3101 9 113 31 8802 XVW ee ev 82 NI 930 930 LINN 8 v AO HOIH PL 19661 gun 3008 S3HONT ONY 5334930 SNOISNIWIG 22 1 00vczoguno uu 7338 PME men NOILd1 9 30 NOTE CRRFCURBO13A00 is fully factory preassembled horizontal adapter and includes an insulated transition duct The pressure drop through the adapter curb is negligible For horizontal return applications The power exhaust and barometric relief dampers must be installed in the return air duct 25 VENT AIR ECONOMIZER HOOD AIR IN BLOCK OFF PAN HORIZONTAL SUPPLY CURB CRRFCURB013A00 TRANSITION DUCT FULLY INSULATED SUPPLY PLENUM 1 INSULATION 1 1 2 DENSITY STICK PINNED amp GLUED 2 1 4 SUPPORT TYP STITCH WELDED 3 1 2 12 WIDE STANDING SEAM PANELS ACCESSORY CURB PACKAGE HEIGHT DESCRIPTION 17 11 Pre Assembled Roof Curb CRRFCURB013A00 584 Horizontal Adapter Fig 2 Horizontal Supply Return Adapter Installation 580F180 240 IMPORTA
33. 5 Removethe belt drive 6 Remove jacking bolt and tapped jacking bolt plate 7 Removethe 2 screws that secure the motor mounting plate to the motor support channel 8 Remove the 3 screws from the end of the motor sup port channel that interfere with the motor slide path 9 Slide out the motor and motor mounting plate 10 Disconnect wiring connections and remove the 4 mounting bolts 11 Remove the motor 12 To install the new motor reverse Steps 1 11 V BELT TENSION ADJUSTMENT To adjust belt tension 1 Loosen fan motor bolts 2 Turn motor jacking bolt to move motor mounting plate up or down for proper belt tension 3 s in deflec tion at midspan with one finger 9 Ib force 3 Tighten nuts 4 Adjust bolts and nut on mounting plate to secure motor in fixed position VI CONDENSER FAN ADJUSTMENT A 580F180 210 300 UNITS Fig 40 1 Shut off unit power supply 2 Remove access panel s dosest to the fan to be adjusted 3 Loosen fan hub setscrews 4 Adjust fan height on shaft using a straightedge placed across the fan orifice 5 Tighten setscrews and replace panel s 6 Turn on unit power B 580F240 Units Fig 41 1 Shut off unit power supply 2 Remove fan top grille assembly and loosen fan hub Screws 3 Adjust fan height on unit using a straightedge placed across the fan orifice 4 Tighten setscrews and replace rubber hubcap to pre vent hub from rusting to motor shaft 5 Fil
34. AIRFLOW Cfm LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 1066 to 1283 rpm Alternate high static drive range is 1332 to 1550 Other rpms require a field supplied drive Refer to this page for general Fan Performance Data notes NOTE Maximum continuous bhp is 10 20 208 230 v or 11 80 460 v and the maximum continuous watts are 9510 208 230 v or 11 000 460 v Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operating cfm See Table 24 for more information Table 20 Fan Performance 580F300360 High Heat Units AIRFLOW LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 1066 to 1283 rpm Alternate high static drive range is 1332 to 1550 Other rpms require a field supplied drive AVAILABLE EXTERNAL STATIC PRESSURE in wg Refer to this page for general Fan Performance Data notes NOTE Maximum continuous bhp is 10 20 208 230 v or 11 80 460 v and the maximum continuous watts are 9510 208 230 v or 11 000 460 v Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operating cfm See Table 24 for more information GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES 1 Static pressure losses i e EconoMi erlV must be added to external static pressure before entering Fan Performance table 2 Interpolat
35. ANT If the unit is equipped with the optional EconoMi erl V component move the outdoor air tempera ture sensor prior to installing the outdoor air hood See the Optional EconoMi erlV section for more information NOTE The hood top panel upper and lower filter retainers hood drain pan baffle size 300 and filter support bracket are secured opposite the condenser end of the unit The screens hood side panels remaining section of filter support bracket seal strip and hardware are in a package located inside the return air filter access panel Fig 19 1 Attach seal strip to upper filter retainer See Fig 20 2 Assemble hood top panel side panels upper filter retainer and drain pan see Fig 21 3 Secure lower filter retainer and support bracket to unit See Fig 21 Leave screws loose on size 300 units 4 Slide baffle size 300 behind lower filter retainer and tighten screws 5 Loosen sheet metal screws for top panel of base unit located above outdoor air inlet opening and remove screws for hood side panels located on the sides of the outdoor air inlet opening 6 Match notches in hood top panel to unit top panel screws Insert hood flange between top panel flange and unit Tighten screws 7 Hold hood side panel flanges flat against unit and install screws removed in Step 5 8 Insert outdoor air inlet screens and spacer in channel created by lower filter retainer and filter support bracket 9 Attach remaining
36. Condenser Fan Runs Compressor motor burned out seized or internal over Determine cause Replace compressor load open Defective overload Determine cause and replace Compressor locked out Determine cause for safety trip and reset lockout One leg of 3 phase power dead Replace fuse or reset circuit breaker Determine cause Compressor Cycles Refrigerant overcharge or undercharge Recover refrigerant evacuate system and recharge other than normally to nameplate satisfying thermostat Compressor Operates continuously Excessive Head Pressure Faulty TXV 1 Check TXV bulb mounting and secure tightly to suction line 2 Replace TXV if stuck open or closed Recover refrigerant evacuate system and recharge Condenser air restricted or air short cycling Head Pressure Too Low Low refrigerant charge Check for leaks repair and recharge Restriction in liquid tube Excessive Suction High heat load Check for source and eliminate Pressure Faulty TXV 1 Check TXV bulb mounting and secure tightly to suction line 2 Replace TXV if stuck open or closed Refrigerant overcharged Suction Pressure Too Dirty air filter Replace filter Low Low refrigerant charge Check for leaks repair and recharge Metering device or low side restricted Remove source of restriction Faulty TXV 1 Check TXV bulb mounting and secure tightly to suction line 2 Replace TXV if stuck open or closed Insufficient evaporator airflow Increase
37. Electrical connections 13 Electrical data 15 Enthalpy changeover set points 21 Error codes 46 Evaporator coil 9 Cleaning 34 Evaporator fan motor Efficiency 33 Lubrication 35 Motor data 33 Performance 27 32 Pulley adjustment 35 36 Pulley setting 9 33 Speed 9 Filter Cleaning 35 Size 10 Filter drier 38 Flue collector box 34 Flue gas passageways 34 Flue hood 11 Freeze protection thermostat 10 38 Gas connection 10 Gas input 10 Gas piping 13 26 Gas pressure 1 10 Heat anticipator settings 10 High pressure switch 10 38 Hinged access doors 38 Horizontal adapter roof curb 4 Humidistat 24 Indoor air quality sensor 21 Integrated gas controller Error codes 46 Liquid propane 10 12 Low pressure switch 10 38 Main burners 34 37 Manual outdoor airdamper 15 INDEX Motormaster I control 16 17 Motormaster V control 17 18 Mounting Compressor 26 Unit 4 Naturalgas 10 37 Non fused disconnect 13 14 Operatinglimits 17 Operating sequence 34 Cooling 34 EconoMif erIV 34 Heating 34 Outdoorairhood 15 16 Outdoor air inlet screens Cleaning 35 Dimensions 10 Outdoor air temperature sensor 18 Perfect Humidity dehumidification package 24 25 37 44 Physical data 9 10 Power exhaust 10 Power supply 13 Wiring 14 Pressure drop EconoMif erIV 33 Pressure switches High pressure 10 Low pressure 10 Refrigerant Charge 36 Type 9 Refrigerant service ports 26 Replacement parts 38 Return air filter 10 26 Return air temperature se
38. FF position the handle will be horizontal 7 Turn the handle to the OFF position and close the door The handle should fit over the end of the shaft when the door is closed 8 The handle must be the OFF position to open the control box door D Optional Convenience Outlet On units with optional convenience outlet 115 v GFI ground fault interrupt convenience outlet receptade is pro vided for field wiring Field wiring should be run through the 7 knockout provided the basepan near the return air opening THERMOSTAT ASSEMBLY REMOVABLE JUMPER Fig 16 Field Control Thermostat Wiring UNIT WIRING 6T3 4T2 2T1 LOAD 100 AME BLK YEL BLU j _ a 1 LOAD Ea UNIT POWER LS ER UN 1 n NON FUSED DISCONNECT LINE 100 AMP ONONO 5 3 t FIELD POWER SUPPLY 513 312 111 LINE UNIT WIRING E d 1 3 5 200 BLK YEL BLU AMP E m 9 fol 1 LOAD UNIT POWER NON FUSED DISCONNECT 5 5 e WB 2 4 FIELD POWER SUPPLY NOTE The disconnect takes the place of TB 1 as shown on the unit wiring diagram label and the component arrangement label Fig 17 Optional Non Fus
39. NT The gasketing of the unit to the roof curb or adapter roof curb is critical for a watertight seal Install gasket with the roof curb or adapter as shown in Fig 1A and 1B Improperly applied gasket can also result in air leaks and poor unit performance B Alternate Unit Support When the curb or adapter cannot be used install unit on a noncombustible surface Support unit with sleepers using unit curb support area If sleepers cannot be used support long sides of unit with a minimum of 3 equally spaced 4 in x 4 in pads on each side STEP 2 RIG AND PLACE UNIT Inspect unit for transportation damage File any claim with transportation agency Do not drop unit keep upright Use spreader bars over unit to prevent sling or cable damage Rollers may be used to move unit across a roof Level by using unit frame as refer ence leveling tolerance is 1 in per linear ft in any direc tion See Fig 3 for additional information Unit operating weight is shown in Table 1 Four lifting holes are provided in ends of unit base rails as shown in Fig 3 Refer torigging instructions on unit NOTE On 580F 300 units the lower forklift braces must be removed prior to setting unit on roof curb A Positioning Maintain clearance per Fig 4 6 around and above unit to provide minimum distance from combustible materials proper airflow and service access Do not install unit in an indoor location Do not locate air inlets near
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41. OM UNIT VERIFY INSTALLATION OF INDOOR FAN MOTOR USTMENT BOLT AND PLATE VERIFY INSTALLATION OF OUTDOOR AIR HOOD VERIFY INSTALLATION OF FLUE HOOD AND WIND BAFFLE VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT CHECK GAS PIPING FOR LEAKS CHECK THAT FILTERS AND SCREENS ARE CLEAN AND IN PLACE VERIFY THAT UNIT ISLEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING ORIFICE AND VERIFY SETSCREW IS TIGHT VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED VERIFY THAT SCROLL COMPRESSOR IS ROTATING IN THE CORRECT DIRECTION VERIFY THAT CRANKCASE HEATER HAS BEEN ENERGIZED FOR 24 HOURS START UP ELECTRICAL SUPPLY VOLTAGE L1 L2 L2 L3 L3 L1 COMPRESSOR AMPS COMPRESSOR 1 11 L2 L3 COMPRESSOR NO 2 L1 L2 L3 SUPPLY FAN AMPS EXHAUST FAN AMPS TEMPERATURES OUTDOOR AIR TEMPERATURE F DB Dry Bulb RETURN AIR TEMPERATURE F DB F WB Wet Bulb COOLING SUPPLY AIR F GAS HEAT SUPPLY AIR F PRESSURES GAS INLET PRESSURE IN WG GAS MANIFOLD PRESSURE STAGE NO 1 L IN WG STAGE NO 2 IN WG REFRIGERANT SUCTION CIRCUIT NO 1 PSIG CIRCUIT NO 2 PSIG REFRIGERANT DISCHARGE CIRCUIT NO 1 PSIG CIRCUIT NO 2 _ PSIG O VERIFY REFRIGERANT CHARGE USING CHARGING CHART ON PAGE 37 GENERAL ECONOMI ERIV MINIMUM VENT AND CHANGEOVER SETTINGS REQUIREMENTS Copyright 2006 Bryant Heating amp Co
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43. Sensor The input can be used for demand control ventilation control based on the level of measured in the space or return air duct Mount the accessory AQ sensor according to manufacturer specifications The sensor should be wired to the AQ and AQ1 terminals of the controller Adjust the DCV potentiome ters to correspond to the DCV voltage output of the indoor air quality sensor at the user determined set point See Fig 33 If a separate field supplied transformer is used to power the IAQ sensor the sensor must not be grounded or the EconoMi erl V control board will be damaged Exhaust Set Point Adjustment The exhaust set point will determine when the exhaust fan runs based on damper position if accessory power exhaust is CONTROL CONTROL POINT CURVE APPROX F C AT 50 RH 2 4 7 10 13 16 18 21 installed The set point is modified with the Exhaust Fan Set Point EXH SET potentiometer See Fig 28 The set point represents the damper position above which the exhaust fan will be turned on When there is a call for exhaust the controller provides 45 15 sec ond delay before exhaust fan activation to allow the dampers to open This delay allows the damper to reach the appropri ate position to avoid unnecessary fan overload Minimum Position Control There is a minimum damper position potentiometer on the EconoMi erlV controll
44. V EVAPORATOR FAN SERVICE AND REPLACEMENT The 580F units use a fan motor mounting system that fea tures a slide out motor mounting plate See Fig 39 replace or service the motor slide out the bracket 1 Remove the evaporator fan access panel and the heating control access panel 2 Removethe center post located between the evapora tor fan and heating control access panels and all screws securing it 3 Loosen nuts on the 2 carriage bolts in the motor mounting base 4 Using jacking bolt under motor base raise motor to top of slide and remove belt Secure motor in this position by tightening the nuts on the carriage bolts 35 SECOND BELT ON 10 HP MOTOR ONLY STRAIGHTEDGE MUST BE PARALLEL WITH BELT ENSURE PROPER CLEARANCE BETWEEN BELT S AND FAN SUPPORT NOTCH PULLEY MOVABLE FLANGES PULLEY MOTOR AND FAN SHAFTS MUST BE PARALLEL SETSCREWS FIXED FLANGES SINGLE GROOVE Fig 38 Evaporator Fan Pulley and Adjustment CENTER POST MOTOR PULLEY SLIDING MOTOR PLATE MOTOR MOUNTING PLATE JACKING PLATE MOTOR SUPPORT CHANNEL JACKING BOLT NOTE A 31 2 bolt and threaded plate are included in the installers packet They should be added to the motor support channel below the motor mounting plate to aid in raising the motor The plate part number is 50DP503842 The adjustment bolt is 3 s 16 x 13 4 in LG Fig 39 580F180 300 Evaporator Fan Motor Section
45. V 90 Perfect Humidity Dehumidification Package 40 COMPRESSOR MANUFACTURER Scroll Copeland 1 ZR94KC 1 ZR108KC 1 ZR125KC 1 ZRU140KC Quantity Model Ckt 1 2 T ZR72KC 1 7 9 1 78108 1 78144 Capacity Stages 60 40 55 45 55 45 50 50 Number of Refrigerant Circuits 2 2 2 2 Oil oz Ckt 1 Ckt 2 85 60 106 81 106 106 136 106 REFRIGERANT TYPE Expansion Device Operating Charge 2 Circuit 1T Circuit 2 CONDENSER COIL Cross Hatched 3 s in Copper Tubes Aluminum Lanced Aluminum Pre Coated or Copper Plate Fins Rows Fins in 4 15 4 15 3 15 2 coils Total Face Area sq ft CONDENSER FAN Nominal Cfm Quantity Diameter in Motor Hp Rpm Watts Input Total EVAPORATOR COIL Cross Hatched 3 Copper Tubes Aluminum Lanced or Copper Plate Fins Face Split 15 Rows Fins in 4 15 4 15 4 4 15 Total Face Area sq ft 17 5 3 17 5 Centrifugal Type Quantity Size in 12 12 12x 12 2 12 x 12 Type Drive Belt Belt Belt Nominal Cfm 6000 7200 8000 Motor Hp 5 5 7 5 Motor Nominal Rpm 1745 1745 1745 4 8 7 208 230 v 10 2 208 230 v Maximum Continuous Bhp 6 13 5 90 9 5 460 v 11 8 460 v Motor Frame Size 184T 184T 213T 215T Nominal Rpm High Low Fan Rpm Range Low Medium Static 873 1021 910 1095 1002 1151 1066 1283 High Static 1025 1200 1069 1287 1193 1369 1332 1550 Motor Bearing Type Ball Ball Ball Ball Ma
46. air quantity Check filter and replace if necessary Temperature too low in conditioned area Reset thermostat Field installed filter drier restricted LEGEND TXV Thermostatic Expansion Valve W1 FROM BASE CONTROL BOARD ENERGIZES W ON IGC 1 MINUTE LOCK ON COMBUSTION RELAY ON IS ENERGIZED IF IDM IS TURNING AT CORRECT SPEED AT LEAST 2400 RPM HALL IMMEDIATELY EFFECT SENSOR SENDS CORRECT SIGNAL TO TERMINAL ON IGC 30 SECOND OFF DELAY FOR INDOOR FAN 9 FLASHES SOFTWARE LOCKOUT IGC SAFETY LOGIC WILL SHUT OFF GAS VALVE AND SPARK AFTER 45 SECONDS OR LESS iF THE TIMING HAS BEEN REDUCED DUE TO LIMIT SWITCH TRIPS IGC WILL ENERGIZE BLOWER RELAY LEGEND IGC Integrated Gas Unit Controller NOTE Thermostat Fan Switch in the AUTO position IDM STOPS SAFETY LOGIC SHUTS OFF GAS VALVE 45 SECOND BLOWER SHUTOFF DELAY DELAY EXTENDED BY 5 SECONDS FOR EACH LIMIT SWITCH TRIP MAXIMUM DELAY 3 MINUTES Fig 47 IGC Control Heating and Cooling Table 29 EconoMi erlV Input Output Logic INPUTS OUTPUTS Entalp Terminalt a Below set ia Minimum position Closed DCV LED Off Fee Cooling LED Off eaten eet on Low On Off Modulating between min Modulating between Free Cooling LED On of and full E closed and full open Above set High On On Modulatingtt between min Modu
47. al Code requirements of adequate size Table 5 field wiring must comply with NEC local requirements Route power and ground lines through control box end panel or unit basepan see Fig 4 6 to connections as shown on unit wiring diagram and Fig 15 N CAUTION The correct power phasing is critical in the operation of the scroll compressors An incorrect phasing will cause the compressor to rotate in the wrong direction This may lead to premature compres sor failure N WARNING The unit must be electrically grounded in accordance with local codes and NEC ANSI NFPA 70 National Fire Protection Association Field wiring must conform to temperature limitations for type T wire All field wiring must comply with NEC and local requirements Transformer 1 is wired for 230 v unit If 208 230 v unit is to be run with 208 v power supply the transformer must be rewired as follows 1 Remove cap from red 208 v wire 2 Remove cap from orange 230 v spliced wire 3 Replace orange wire with red wire 4 Recap both wires IMPORTANT BE CERTAIN UNUSED WIRES ARE CAPPED Failure to do so may damage the transformers Operating voltage to compressor must be within voltage range indicated on unit nameplate On 3 phase units volt ages between phases must be balanced within 2 Unit failure as a result of operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage t
48. ature airstream is used for cooling When using this mode of changeover control turn the free cooling enthalpy set point potentiometer fully clockwise to the D setting See Fig 28 EXHAUST FAN SET POINT LED LIGHTS WHEN EXHAUST CONTACT IS MADE MINIMUM DAMPER POSITION SETTING MAXIMUM DAMPER DEMAND CONTROL VENTILATION SET POINT LED LIGHTS WHEN DEMAND CONTROL VENTILATION INPUT RETURN AIR IS ABOVE SET POINT IAQ TEMPERATURE SENSOR OR ENTHALPY SENSOR DEMAND CONTROL VENTILATION SET POINT Fig 30 Return Air Temperature or Enthalpy Sensor Mounting Location LED LIGHTS WHEN OUTDOOR AIR IS PREE COOLING Outdoor Enthalpy Changeover CHANGEOVER SETPOINT dd A 2 5 ae E r is required Replace the standard outdoor Fig 28 dry bulb temperature sensor with the accessory enthalpy sensor in the same mounting location See Fig 25 When the outdoor air enthalpy rises above the outdoor enthalpy changeover set point the outdoor air damper moves to its ren On minimum position The outdoor enthalpy changeover set 18 point is set with the outdoor enthalpy set point potentiome i ter on the EconoMi erlV controller The set points are A B 16 LED OFF LED and D See Fi
49. bed in the Heating Units With out Economizer section When the indoor fan is running the economizer damper moves to the minimum position When the indoor fan is off the economizer damper is fully dosed SERVICE N WARNING Before performing service or mainte nance operations on unit turn off main power switch to unit and install lockout tag on disconnect switch Electrical shock could cause personal injury 1 CLEANING Inspect unit interior at beginning of each heating and cool ing season and as operating conditions require Remove unit top panel and or side panels for access to unit interior A Main Burner At the beginning of each heating season inspect for deterio ration or blockage due to corrosion or other causes Observe the main burner flames Refer to Main Burners section on page 37 B Flue Gas Passageways The flue collector box and heat exchanger cells may be inspected by removing heat exchanger access panel Fig 4 6 flue box cover and main burner assembly Fig 10 and 11 Refer to Main Burners section on page 37 for burner removal sequence If deaning is required remove heat exchanger baffles and clean tubes with a wire brush Use caution with ceramic heat exchanger baffles When installing retaining clip be sure the center leg of the dip extends inward toward baffle See Fig 37 C Combustion Air Blower Clean periodically to assure proper airflow and heating effi ciency Inspect blower wheel eve
50. ce and replace l g in pipe plug and screw X MAIN BURNERS For all applications main burners are factory set and should require no adjustment 1 Shut off field supplied manual main gas valve 2 Shut off power to unit 3 Remove unit control box access panel burner section access panel and center post Fig 4 6 4 Disconnect gas piping from gas valve inlet 5 Remove wires from gas valve 6 Remove wires from rollout switch 7 Remove sensor wire and ignitor cable from IGC board 8 Remove 2 screws securing manifold bracket to basepan 9 Remove 2 screws that hold the burner support plate flange to the vestibule plate 10 Lift burner assembly out of unit 37 REGULATOR ADJUSTMENT SCREW REMOVE COVER 2 LEADS 18 WIRE 1 32 INSULATION 600V MAX 105 C OUTLET PRESSURE TAP PLUGGED 1 8 27 N P T THDS RECEPTACLE AND TAB COMBINATION TERMINAL PILOT CONNECTION FOR 1 4 TUBING INLET PRESSURE TAP PLUGGED PLUGGED 1 8 27 N P T THDS RECEPTACLE TERMINAL Fig 43 Gas Valve B Cleaning and Adjustment 1 Remove burner rack from unit as described in Main Burner Removal section on page 37 2 Inspect burners and if dirty remove burners from rack 3 Using a soft brush clean burners and crossover port as required 4 Adjust spark gap See Fig 44 5 Reinstall burners on rack 6 Reinstall burn
51. d Fabricated Wind Baffles Wind baffles must be field fabricated for all units to ensure proper cooling operation at low ambient temperatures See Fig 22 for baffle details Use 20 gage galvanized sheet metal or similar corrosion resistant metal for baffles Use field supplied screws to attach baffles to unit Screws should be diameter and 5 e in long Drill required screw holes for mounting baffles N CAUTION To avoid damage to the refrigerant coils and electrical components use recommended screw sizes only Use care when drilling holes Install Motormaster V Controls The Motormaster V control is a motor speed control device which adjusts condenser fan motor speed in response to dedining liquid refrigerant pressure A properly applied Motormaster V control extends the operating range of air conditioning systems and permits operation at lower outdoor ambient temperatures The minimum ambient temperatures at which the unit will operate are TEMPERATURE OPERATING LIMITS F Standard Unit with Unit with Unit Low Ambient Kit MMV Control 2 0 operate down to the ambient temperatures listed Motormaster V controls Fig 24 must be added Field fabricated and installed wind baffles are also required for all units see Fig 22 The Motormaster V control permits tion of the unit to an ambient temperature of 20 F The con trol regulates the speed of 3 phase fan motors that are compatible w
52. e in 2 20 x 25 x 1 1 20 x 20 x1 RETURN AIR FILTERS Quantity Size in 4 20 x 20 x2 4 16 x 20 x2 POWER EXHAUST 1 2 208 230 460 v Motor Direct Drive Propeller Fan Factory Wired for 460 v LEGEND Bhp Brake Horsepower Thermostatic Expansion Valve The ZRU140KC compressor is a tandem compressor consisting of a ZR72KC 25 total capac ity and a ZR68KC 24 total capacity TCircuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator coils and Circuit 2 uses the upper portion of both coils Pulley has 6 turns Due to belt and pulley size movable pulley cannot be set to 0 to 11 2 turns open ttPulley has 6 turns Due to belt and pulley size movable pulley cannot be set to 0 to 1 2 turns open Rollout switch is manual reset TTTA Liquid Propane kit is available as an accessory 580F300 unit requires 2 in industrial grade filters capable of handling face velocities up to 625 ft min such as American Air Filter no 5700 or equivalent NOTE The 580F units have a low pressure switch standard located on the suction side 10 STEP 3 FIELD FABRICATE DUCTWORK Secure all ducts to building structure Use flexible duct con nectors between unit and ducts as required Insulate and weatherproof all external ductwork joints and roof openings with counter flashing and mastic in accordance with applica ble codes Duc
53. e con trolled to provide free cooling using outdoor air When in this mode the LED next to the free cooling set point potenti ome ter will be on The changeover temperature set point is con trolled by the free cooling set point potentiometer located on the control See Fig 28 The scale on the potentiometer is A B C and D See Fig 29 for the corresponding temperature changeover values 19 Table 11 EconoMi erlV Sensor Usage APPLICATION DRY BULB SENSOR ENTHALPY SENSOR 7 NN 57 78 Differential Enthalpy and CRENTDIFO04A00 CRENTDIF004A00 CO for DCV Control using a Wall Mounted CO Sensor CGCDXSEN004A00 for DCV Control using o nS Duct Mounted Sensor GOPBXABPODTADUN CRENTDIF004A00 and CRTEMPSNO02A00 accessories are used on many different base units As such these kits may contain parts that will not be needed for installation TCGCDXSENO004A00 is an accessory CO sensor CGCDXASP001A00 is an accessory aspirator box required for duct mounted applications Differential Dry Bulb Control For differential dry bulb control the standard outdoor dry bulb sensor is used in conjunction with an additional acces sory return air sensor part number CRTEMPSN 002A00 The accessory sensor must be mounted in the return airstream See Fig 30 In this mode of operation the outdoor air temperature is compared to the return air temperature and the lower tem per
54. e minimum open posi tion oncethe supply air temperature rises to 48 F If optional power exhaust is installed as the outdoor air damper opens and doses the power exhaust fan will be ener gized and deenergized If field installed accessory CO sensors are connected to the EconoMi erlV control a demand controlled ventilation strategy will begin to operate As the CO level the zone increases above the CO set point the minimum position of the damper will be increased proportionally As the level decreases because of the increase in fresh air the outdoor air damper will be proportionally dosed Damper position will follow the higher demand condition from DCV mode or free cooling mode Damper movement from full closed to full open or vice versa will take between 11 2 and 21 2 minutes If free cooling can be used as determined from the appropri ate changeover command switch dry bulb enthalpy curve differential dry bulb or differential enthalpy a call for cool ing Y 1 doses at the thermostat will cause the control to modulate the dampers open to maintain the supply air tem perature set point at 50 to 55 F As the supply air temperature drops below the set point range of 50 to 55 F the control will modulate the outdoor air damp ers dosed to maintain the proper suppl y air temperature D Heating Units With EconoMi erlV When the room thermostat calls for heat the heating con trols are energized as descri
55. ed Disconnect Wiring 14 Table 5 Electrical Data NOMINAL COMPRESSOR VOLTAGE 3 Ph 60 Hz LEGEND FLA Full Load Amps HACR Heating Air Conditioning and Refrigeration IFM Indoor Evaporator Fan Motor LRA Locked Rotor Amps Minimum Circuit Amps MOCP Maximum Overcurrent Protection NEC National Electrical Code OFM Outdoor Condenser Fan Motor RLA Rated Load Amps Fuse or HACR circuit breaker W NOTES 1 compliance with NEC requirements for multimotor and combination load equipment refer to NEC Articles 430 and 440 the overcurrent protective device for the unit shall be fuse or HACR breaker Canadian units may be fuse or circuit breaker 2 Unbalanced 3 Phase Supply Voltage Never operate a motor where a phase imbalance in supply voltage is greater than 2 Use the following formula to determine the percent voltage imbalance X STEP 10 MAKE OUTDOOR AIR INLET ADJUST MENTS A Manual Outdoor Air Damper All units except those equipped with a factory installed EconoMi erlV havea manual outdoor air damper to provide ventilation air Damper can be preset to admit up to 25 outdoor air into return air compartment To adjust loosen securing screws and move damper to desired setting then retighten screws to secure damper Fig 18 XI STEP 11 INSTALL OUTDOOR AIR HOOD The outdoor air hood is common to 25 air ventilation and EconoMi erlV If
56. en selecting the heat capacity and cool capacity of the equipment the maximum ventilation rate must be evaluated for design conditions The maximum damper position must be calculated to provide the desired fresh air Typically the maximum ventilation rate will be about 5 to 1096 more than the typical cfm required per person using normal outside air design criteria A proportional anticipatory strategy should be taken with the following conditions a zone with a large area varied occupancy and equipment that cannot exceed the required ventilation rate at design conditions Exceeding the required ventilation rate means the equipment can condition air at a maximum ventilation rate that is greater than the required ventilation rate for maximum occupancy proportional anticipatory strategy will cause the fresh air supplied to increase as the room level increases even though the set point has not been reached By the time the CO level reaches the set point the damper will be at maximum ventilation and should maintain the set point In order to have the sensor control the economizer damper in this manner first determine the damper voltage output for minimum or base ventilation Base ventilation is the ventila tion required to remove contaminants during unoccupied periods The following equation may be used to determine the percent outside air entering the building for a given damper position For best r
57. er See Fig 28 The minimum damper position maintains the minimum airflow into the building during the occupied period When using demand ventilation the minimum damper posi tion represents the minimum ventilation position for VOC volatile organic compound ventilation requirements The maximum demand ventilation position is used for fully occu pied ventilation When demand ventilation control is not being used the min imum position potentiometer should be used to set the occu pied ventilation position The maximum demand ventilation position should be turned fully clockwise Adjust the minimum position potentiometer to allow the minimum amount of outdoor air as required by local codes to enter the building Make minimum position adjustments with at least 10 F temperature difference between the out door and return air temperatures 85 90 95 100 105 110 29 32 35 38 41 43 HIGH LIMIT CURVE 80 85 90 95 100 105 110 24 27 29 32 35 38 41 43 APPROXIMATE DRY BULB TEMPERATURE F Fig 31 Enthalpy Changeover Set Points 21 Sei E EF1 Fig 32 EconoMi erlV Controller CO2 SENSOR MAX RANGE SETTING 6000 amp 5000 2 4000 lt 800 ppm 2 3000 900 ppm iL 4 1000 ppm 1100 ppm amp 2000
58. er rack as described above XI FILTER DRIER Replace whenever refrigerant system is exposed to atmosphere PROTECTIVE DEVICES A Compressor Protection Overcurrent Each compressor has internal line break motor protection Crankcase H eater units are equipped with 70 watt crankcase heater to prevent absorption of liquid refrigerant by oil in the crank case when the compressor is idle The crankcase heater is energized whenever there is main power tothe unit and the compressor is not energized IMPORTANT After prolonged shutdown or servicing ener gize the crankcase heaters for 24 hours before starting the compressors Compressor Lockout If any of the safeties high pressure low pressure freeze protection thermostat compressor internal thermostat trip or if there is loss of power to the compressors the cooling lockout CLO will lock the compressors off To reset manu ally move the thermostat setting B Evaporator Fan Motor Protection A manual reset calibrated trip magnetic circuit breaker protects against overcurrent Do not bypass connections or increase the size of the breaker to correct trouble Determine the cause and correct it before resetting the breaker C Condenser Fan Motor Protection Each condenser fan motor is internally protected against overtemperature D High and Low Pressure Switches If either switch trips or if the compressor overtemperature switch activates
59. esting is done by performing the following procedure NOTE This procedure requires a 9 v battery 1 2 kilo ohm resistor and a 5 6 kilo ohm resistor which are not supplied with the erl V IMPORTANT Be sure to record the positions of all potenti ometers before starting troubleshooting 1 Disconnect power at TR and TR1 All LEDs should be off Exhaust fan contacts should be open 2 Disconnect device at P and J umper P to 4 Disconnect wires at T and T1 Place 5 6 kilo ohm resistor across T and T1 5 Jumper TR to 1 6 Jumper TR to N 7 f connected remove sensor from terminals So and Connect 1 2 kilo ohm 4074EJM checkout resistor across terminals So and 8 Put 620 ohm resistor across terminals Sg and 9 Set minimum position DCV set point and exhaust potentiometers fully CCW counterclockwise 10 Set DCV maximum position potentiometer fully CW dockwise 11 Set enthalpy potentiometer to D 12 Apply power 24 to terminals TR and Differential Enthalpy To check differential enthalpy 1 Make sure EconoMi erl V preparation procedure has been performed 2 Place 620 ohm resistor across So and 3 Place 1 2 kilo ohm resistor across Sr and The Free Cool LED should be lit 4 Remove 620 ohm resistor across So and The Free Cool LED should turn off 5 Return settings and wiring to normal after completing troublesh
60. esults there should be at least a 10 degree difference in outside and return air temperatures OA RA Tox 100 gt TRx 100 Outdoor Air Temperature OA Percent of Outdoor Air Tr Return Air Temperature RA Percent of Return Air Tm Mixed Air Temperature Once base ventilation has been determined set the mini mum damper position potentiometer to the correct position The same equation can be used to determine the occupied or maximum ventilation rate to the building For example an output of 3 6 volts to the actuator provides a base ventilation rate of 5 and an output of 6 7 volts provides the maximum ventilation rate of 20 or base plus 15 cfm per person Use Fig 33 to determine the maximum setting of the sensor For example a 1100 ppm set point relates to a 15 cfm per person design Use the 1100 ppm curve on Fig 33 to find the point when the sensor output will be 6 7 volts Line up the point on the graph with the left side of the chart to deter mine that the range configuration for the sensor should be 1800 ppm EconoMi erlV controller will output the 6 7 volts from the sensor to the actuator when the CO2 concentration the space 15 at 1100 ppm DCV set point may be left at 2 volts since the sensor voltage will be ignored the EconoMi erlV controller until it rises above the 3 6 volt setting of the minimum position potentiometer Once the fully occupied dampe
61. folding bail type handles Compressor access doors have one latch A single door is provided for filter and drive access One door is provided for control box access The control box access door is interlocked with the non fused disconnect which must be in the OFF position to open the door Two doors are provided on 580F 180 240 units for access to the compressor compartment Two internal access doors are provided inside the filter drive access door The filter access door on the left is secured by 2 small 1 4 turn latches with folding bail type handles This door must be opened prior to opening the drive access door The drive access door is shipped with 2 sheet metal screws holding the door closed Upon initial opening of the door these screws may be removed and discarded The door is then held shut by the filter access door which closes over it SEE DETAIL ee S 580F210360 300360 High Heat SPARK GAP 120 TO 140 SPARK GAP 181 DETAIL Fig 44 Spark Gap Adjustment 39 SCHEMATIC 1 BLK 4 0 1 2 YEL pi 89 court 3 BLU 0 181 c 5 ED LLL Lam gt BLK gs PMR 6 Mur E aee YEL KD YEL Pur 1 II um BLU ABH 0 PMR IfC EQUIP GND BLK TKD BLK 9 10 YEL HKD YEL BLU BLU e orc 13
62. g 31 The factory installed 620 ohm jumper 15 must be in place across terminals SR and SR on the LED OFF EconoMi erlV controller See Fig 25 and 32 13 Differential Enthalpy Control 12 For differential enthalpy control the EconoMi erlV controller 11 uses two enthalpy sensors HH57AC078 104 CRENTDIF004A00 one in the outside air and one in the 94 return airstream on the EconoMi erlV frame 40 45 50 55 S Ns Si 85 90 295 100 EconoMi erlV controller compares the outdoor air enthalpy to the return air enthalpy to determine conoMi erlV use The Fig 29 Outside Air Temperature controller selects the lower enthalpy air return or outdoor Changeover Set Points 20 for cooling For example when the outdoor air has a lower enthalpy than the return air and is below the set point the EconoMi erlV opens to bring in outdoor air for free cooling Replace the standard outside air dry bulb temperature sen sor with the accessory enthalpy sensor in the same mounting location See Fig 25 Mount the return air enthalpy sensor in the return airstream See Fig 30 The outdoor enthalpy changeover set point is set with the outdoor enthalpy set point potentiometer the EconoMi erlV controller When using this mode of changeover control turn the enthalpy set point potentiometer fully clockwise to the D setting NOTE Remove 620 ohm resistor if differential enthalpy sen sor is installed Indoor Air Quality IAQ
63. g mode for at least 1 minute when W1 is energized The induced draft motor IDM is then energized and the burner ignition sequence begins The indoor evaporator fan motor IFM is energized 45 seconds after a flame is ignited On units equipped for two stages of heat when additional heat is needed W2 is energized and the high fire solenoid on the main gas valve MGV is ener gized When the thermostat is satisfied and W1 and W2 are deenergized the FM stops after a 45 second time off delay C Cooling Units with EconoMi erlV When free cooling is not available the compressors will be controlled by the zone thermostat When free cooling is avail able the outdoor air damper is modulated by the EconoMi erlV control to provide a 50 to 55 supply air tem perature into the zone As the suppl y air temperature fluctu ates above 55 or below 50 F the dampers will be modulated open or dose to bring the supply air temperature back within the set point limits For EconoMi erlV operation there must be a thermostat call for the fan G This will move the damper to its mini mum position during the occupied mode Above 50 F supply air temperature the dampers will modu late from 10096 open to the minimum open position From 50 F to 45 F supply air temperature the dampers will main tain at the minimum open position Below 45 F the dampers will be completely shut As the supply air temperature rises the dampers will come back open to th
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65. h Air with DCV Control Information from ASHRAE indicates that the largest humid ity load on any zone is the fresh air introduced For some applications a field supplied energy recovery unit can be added to reduce the moisture content of the fresh air being brought into the building when the enthalpy is high most cases the normal heating and cooling processes are more than adequate to remove the humidity loads for most com mercial applications If normal rooftop heating and cooling operation is not ade quate for the outdoor humidity level an energy recovery unit and or a dehumidification option should be considered Table 12 Sensor Standard Settings VENTILATION SETTING EQUIPMENT OUTPUT RATE cfm Person Interface w Standard ANALOG CO OPTIONAL RELAY OUTPUT CONTROL RANGE RELAY SETPOINT HYSTERESIS ppm ppm ppm 0 10V 2 10V 15 Economizer Health amp Safety Proportional Parking Air Intakes Loading Docks Proportional LEGEND ppm Parts Per Million 0 10V 0 10V 0 10V 0 9999 5000 0 10 4 20 972090 93 STEP 14 INSTALL HUMIDISTAT FOR OPTIONAL PERFECT HUMIDITY DEHUMIDIFICATION PACKAGE Perfect Humidity dehumidification package operation can be controlled by field installation of Bryant approved humidistat To install the humidistat perform the following procedure 1 Locate humidistat on a solid interior wall in the cond
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68. installation start up service instructions SINGLE PACKAGE ROOFTOP GAS HEATING ELECTRIC COOLING UNITS Perfect Humidity CONTENTS Page SAFETY CONSIDERATIONS 1 INSTALLATION aaa 1 25 Step 1 Provide Unit Support 1 Step 2 Rig and Place Unit 4 Step 3 Field Fabricate Ductwork 11 IV Step 4 Make Unit Duct Connections 11 V Step 5 Install Flue Hood and Wind Baffle 11 VI Step 6 Trap Condensate Drain 11 Step 7 Orifice 12 Vill Step 8 Install Gas Piping 13 IX Step 9 Make Electrical Connections 13 X Step 10 Make Outdoor Air Inlet Adjustments 15 XI Step 11 Install Outdoor Air Hood 15 Step 12 Install All Accessories 16 XIII Step 13 Adjust Factory Installed Options 18 XIV Step 14 Install Control Accessory for Optional Perfect Humidity Dehumidification Package 24 START UP eu kg dace eh a eae 26 34 SERVICE ce 34 42 TROUBLESHOOTING 43 47 INDEX e t Rex h Re rene bake 48 START UP CHECKLIST CL 1 SAFETY CONSIDERATIONS Installation and servicing of air conditioning equipment can be hazardous due to system pressure and electrical co
69. ion is permissible Do not extrapolate 3 Fan performance is based on wet coils clean filters and casing losses See Table 24 for Accessory FIOP Static Pressure information 4 Extensive motor and drive testing on these units ensures that the full horsepower and watts range of the motor can be utilized with confidence Using fan motors up to the watts or bhp rating shown will not result in nuisance tripping or premature motor failure Unit warranty will not be affected 5 Use of a field supplied motor may affect wire size Contact your Bryant representative for details 132 Table 21 Air Quantity Limits MINIMUM MINIMUM HEATING CFM MAXIMUM COOLINGCFM LowHeat HignHeat 3800 3800 7 500 4750 5450 9 000 4750 5450 10 000 4750 5450 11 250 Table 22 Accessory FIOP Static Pressure in wg 580F180 300 CFM SOMPONENT 4500 5000 5400 6000 7200 7500 9000 10 000 11 250 EconoMi erlV 0 040 0 050 0 060 0 070 0 090 0 100 0 110 0 120 0 140 Perfect Humidity Dehumidification 0 045 0 048 0 060 0 071 0 103 0 111 0 160 0 197 0 250 LEGEND NOTES The static pressure must be added to external static pressure Factory Installed Option The sum and the evaporator entering air cfm should then be used in conjunction with the Fan Performance table to determine blower rpm bhp and watts Table 23 Fan Rpm at Motor Pulley Settings MOTOR PULLEY TURNS OPEN ae
70. ith the control These motors are factory installed See Table 6 for the M otormaster V control accessory package usage Table 7 shows applicable voltages and motors Replacement of motor or fan blade IS NOT REQUIRED ON CURRENT PRODUCTION UNITS sincethe control is compatible with the factory installed fan motors Only field wiring control is required Install the Motormaster V control per instructions supplied with accessory Table 6 Motormaster V Control Package Usage ITEM DESCRIPTION 208 230 CRLOWAMBO 15A00 580F180 300 CRLOWAMB016A00 Table 7 Applicable Voltages and Motors VOLTAGE COMPATIBLE MOTOR 208 230 3 60 HD52AK654 460 3 60 HD52AK654 10 254 40 1016 10 254 15 381 3 4 19 BAFFLE FRONT VIEW NOTE Dimensions in are in mm Fig 22 Wind Baffle Details 1 25 MIN SENSOR LOCATION SENSOR LOCATION HAIRPIN END HAIRPIN END 580F180 580F210 NOTE All sensors are located on the eighth hairpin up from the bottom Fig 23 Motormaster 1 Sensor Locations FROM FUSE BLOCK TO PRESSURE TRANSDUCER TO MOTOR S Fig 24 Motormaster V Control XIII STEP 13 ADJUST FACTORY INSTALLED OPTIONS A Optional EconoMi erlV See Fig 25 and 26 for EconoMi erlV component locations NOTE These instructions are for installing the optional EconoMi erlV o
71. ith these installation instructions and all applicable codes COMPRESSOR MOUNTING Compressors are internally spring mounted Do not loosen or remove compressor holddown bolts Ill GAS PIPING Check gas piping for leaks N WARNING Disconnect gas piping from unit when leak testing at pressure greater than 1 2 psig Pres sures greater than 1 psig will cause gas valve damage resulting in hazardous condition If gas valve is sub jected to pressure greater than psig it must be replaced before use When pressure testing field supplied gas piping at pressures of 1 2 psig or less a unit connected to such piping must be isolated by man ually closing the gas valve REFRIGERANT SERVICE PORTS Each refrigerant system has a total of 3 Schrader type service gage ports One port is located on the suction line one on the compressor discharge line and one on the liquid line In addition Schrader type valves are located under neath the low pressure switches Be sure that caps on the ports are tight V COMPRESSOR ROTATION It is important to be certain the compressors are rotating in the proper direction To determine whether or not compres sors are rotating in the proper direction 1 Connect service gages to suction and discharge pres sure fittings 2 Energize the compressor 3 The suction pressure should drop and the discharge pressure should rise as is normal on any start up If the suction pressure does no
72. itioned space Location should bein a well venti lated area to sense average humidity 2 Route thermostat cable or equivalent single leads of colored wire from humidistat terminals through con duit in unit to the low voltage connection on the 2 pole terminal strip TB3 as shown in Fig 34 and Fig 35 See Fig 36 for operation diagram LEGEND CB Circuit Breaker LLSV Liquid Line Solenoid Valve LPS Low Pressure Switch Terminal Block TRAN Transformer 3 2 AMPS FACTORY INSTALLED JUMPER REMOVE IF HUMIDISTAT 15 USED 1 0000 FIELD CONTROL WIRING FACTORY INSTALLED JUMPER REMOVE IF HUMIDISTAT IS USED Fig 35 Typical Perfect Humidity Dehumidification Package Control Box PERFECT HUMIDITY m TO CRANKCASE HEATER CIRCUITS Fig 34 Typical Wiring Perfect Humidity Dehumidification Package Humidistat 460 V Unit Shown CONDENSER COIL SUBCOOLER COIL SUCTION CCH CRANKCASE HEATER COMPRESSOR S LPS SUB COOLER CONTROL LOW PRESSURE SWITCH EQUALIZER LINE Fig 36 Perfect Humidity Dehumidification Package Operation Diagram Single Circuit Shown 25 START UP Use the following information and Start Up Checklist on page CL 1 to check out unit PRIOR to start up 1 UNIT PREPARATION Check that unit has been installed in accordance w
73. l hub recess with permagum if rubber hubcap is missing POWER FAILURE Dampers have a spring return In event of power failure dampers will return to fully closed position until power is restored Do not manually operate economizer motor Vill REFRIGERANT CHARGE Amount of refrigerant charge is listed on unit nameplate and in Table 1 Refer to GTAC 11 Module 5 Charging Recovery Recycling and Reclamation section for charging methods and procedures Unit panels must be in place when unit is operating during charging procedure NOTE Do not use recycled refrigerant as it may contain contaminants A No Charge Use standard evacuating techniques After evacuating sys tem weigh in the specified amount of refrigerant refer to Table 1 B Low Charge Cooling Using cooling charging chart see Fig 42 add or remove refrigerant until conditions of the chart are met Note that charging chart is different from those normally used An accurate pressure gage and temperature sensing device is required Charging is accomplished by ensuring the proper amount of liquid subcooling Measure liquid line pressure at the liquid line service valve using pressure gage Connect temperature sensing device to the liquid line near the liquid line service valve and insulate it so that outdoor ambient temperature does not affect reading 36 NOTE Dimensions in inches Fig 40 Condenser Fan Adjustment 580F180 210 300
74. l use the 200 amp disconnect switch Refer to the applicable disconnect wiring diagram To prevent breakage during shipping the disconnect handle and shaft are shipped and packaged inside the unit control box Install the disconnect handle before unit operation To install the handle and shaft perform the following procedure 1 Open the control box door and remove the handle and shaft from shipping location 2 Loosen the Allen bolt located on the disconnect switch The bolt is located on the square hole and is used to hold the shaft in place The shaft cannot be inserted until the Allen bolt is moved 3 Insert the disconnect shaft into the square hole on the disconnect switch The end of the shaft is spe cially cut and the shaft can only be inserted in the correct orientation 13 a TBI FIELD eo SETE an am aw 3 SUPPLY zz la aa A EQUIP GND NONE LEGEND EQUIP Equipment GND Ground NEC National Electrical Code TB Terminal Board NOTE The maximum wire size for TB1 is 2 0 Fig 15 Field Power Wiring Connections 4 Tighten the Allen bolt to lock the shaft into position Close the control box door 6 Attach the handle to the external access door with the two screws provided When the handle is in the ON position the handle will be vertical When the handle is in the O
75. latingtt between DCV LED On Free Cooling LED Off off of position and DCV maximum closed and DCV maximum Low On On Off Modulating Modulatingttt fon or ot nt tPower at terminal determines Occupied Unoccupied setting DCV or fully open supply air signal 24 vac Occupied no power Unoccupied tttModulation is based on the greater of DCV and supply air sensor Modulation is based on the supply air sensor signal signals between closed and either maximum position DCV or fully ttModulation is based on the DCV signal open supply air signal 2 10 VDC ACTUATOR 2 84 Volts Fig 48 EconoMi erlV Functional View 47 Air quality limits 33 Altitude compensation 12 Burner section 12 Burner spark gap 39 Charging chart refrigerant 37 Clearance 6 8 sensor Configuration 23 Settings 22 23 Combustion blower wheel 34 Compressor Lockout 18 38 Lubrication 35 Mounting 26 Rotation 26 Concentric duct Condensate drain Cleaning 35 Location 11 12 Condenser coil 9 Cleaning 35 Condenser fan 9 Adjustment 36 37 Control circuit Wiring 13 Convenience outlet 14 Crankcase heater 26 38 Demand control ventilation 22 Dehumidification 23 Dimensions 2 4 6 8 Ductwork 11 EconoMi erIV 18 23 Control mode 19 Controller wiring 19 Damper movement 22 Demand ventilation control 22 Dry bulb changeover 19 Troubleshooting 43 47 Usage 20 Wiring 19
76. lowatt range of the motors can be utilized with confidence Using your fan motors up to the horsepower brake Table 25 Evaporator Fan Motor Efficiency UNIT 580F MOTOR EFFICIENCY 7 5 Hp ____ 895 NOTE All indoor fan motors 5 hp and larger meet the mini mum efficiency requirements as established by the Energy Policy Act of 1992 EPACT effective October 24 1997 33 OPERATING SEQUENCE A Cooling Units Without Economizer When thermostat calls for cooling terminals G and Y1 are energized The indoor evaporator fan contactor com pressor contactor no 1 C1 and outdoor fan contactor OF C are energized and evaporator fan motor compressor no 1 and both condenser fans start The condenser fan motors run continuously while unit is cooling If the thermostat calls for a second stage of cooling by energizing Y 2 compressor con tactor no 2 C2 is energized and compressor no 2 starts When the thermostat is satisfied C1 and C2 are deener gized and the compressors and outdoor condenser fan motors OFM shut off After a 30 second delay the indoor evaporator fan motor IFM shuts off If the thermostat fan selector switch is in the ON position the evaporator fan motor will run continuously B Heating Units Without Economizer When the thermostat calls for heating terminal W1 is ener gized In order to prevent thermostat short cycling the unit is locked into the Heatin
77. lters for the 580F 300 units are rated for 625 fpm H Outdoor Air Inlet Screens Clean screens with steam or hot water and a mild detergent Do not use throwaway filters in place of screens Il LUBRICATION A Compressors Each compressor is charged with the correct amount of oil at the factory Conventional white oil Sontex 200LT is used White oil is compatible with 3GS oil and 3GS oil may be used if the addition of oil is required See compressor name plate for original oil charge A complete recharge should be four ounces less than the original oil charge When a compressor is exchanged in the field it is possible that a major portion of the oil from the replaced compressor may still bein the system Whilethis will not affect the reliability of the replacement compressor the extra oil will add rotor drag and increase power usage To remove this excess oil an access valve may be added to the lower portion of the suction line at the inlet of the compressor The compressor should then be run for 10 minutes shut down and the access valve opened until no oil flows This should be repeated twice to make sure the proper oil level has been achieved B Fan Shaft Bearings Lubricate bearings at least every 6 months with suitable bearing grease Extended grease line is provided for far side fan bearing opposite drive side Typical lubricants are given below MANUFACTURER LUBRICANT Texaco Regal AFB 2 Mobil Mobilplex EP No 1
78. m Watts Rem watts Bhp Rpm Watts Rpm Watts 6 000 6 500 7 000 7 500 8 000 8 500 9 000 9 500 10 000 Co cs oL OY OY 0 OT OV pes OO 6 01 gt 0 00 73 0 OY Or P Re o Qo oc ioo o ROORNOROO pe de 00 wonu uo Muud2oogl2RlI AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW Cfm 4 70 5 23 5 81 6 42 7 09 7 80 8 56 9 36 wg 1468 5505 6 53 1513 E 1501 5938 7 04 1544 6199 1536 6412 7 61 AIRFLOW Cfm LEGEND Refer to page 32 for general Fan Performance Data notes Brake Horsepower NOTE Maximum continuous bhp for the standard motor is 8 7 for 208 Watts Input Watts to Motor 230 v units and 9 5 for 460 v units The maximum continuous watts is Standard low medium static drive range is 1002 to 1151 rpm Alternate 7915 for 208 230 v units and 8640 for 460 v units Do not adjust high static drive range is 1193 to 1369 Other rpms require a field motor rpm such that motor maximum bhp and or watts is exceeded at supplied drive the maximum operating cfm See Table 24 for more information 31 Table 19 Fan Performance 580F300275 Low Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW
79. mpo nents Only trained and qualified service personnel should install repair or service air conditioning equipment Untrained personnel can perform basic maintenance func tions of cleaning coils and filters and replacing filters All other operations should be performed by trained service per sonnel When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit and other safety precautions that may apply Follow all safety codes Wear safety glasses and work gloves Use quenching cloth for unbrazing operations Have fire extin guishers available for all brazing operations N WARNING Before performing service mainte nance operations on unit turn off main power switch to unit and install lockout tag to disconnect switch Elec trical shock could cause personal injury 580F DuraPac Series Sizes 180 300 15 to 25 Tons Cancels 580F 180 2 580F 180 3 3 15 06 N WARNING 1 Improper installation adjustment alteration ser vice or maintenance can cause property damage personal injury or loss of life Refer to the User s Information Manual provided with this unit for more details 2 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 1 DO NOT try to light any appliance 2 DO NOT touch any electrical switch or use any phone in your building
80. nly Refer to the accessory EconoMi erlV or EconoMi er2 installation instructions when field installing an EconoMi erlV or EconoMi er2 accessory To complete installation of the optional EconoMi erlV per form the following procedure 1 Remove the EconoMi erlV hood Refer to Step 11 Install Outdoor Air Hood on page 15 for information on removing and installing the outdoor air hood 2 Relocate outdoor air temperature sensor from ship ping position to operation position on EconoMi erlV See Fig 25 IMPORTANT Failure to relocate the sensor will result in the EconoMi erl V not operating properly 3 Reinstall economizer hood OUTDOOR AIR TEMPERATURE SENSOR SCREWS Dom screws INSTALLED OPERATION POSITION LOW TEMPERATURE COMPRESSOR LOCKOUT SWITCH Fig 25 EconoMi erlV Component Locations End View SUPPLY AIR TEMPERATURE SENSOR LOCATION CONTROLLER FLANGE AND SCREWS HIDDEN Fig 26 EconoMi erlV Assembled Unit Side View 4 Install all EconoMi erl V accessories EconoMi erlV wiring is shown in Fig 27 Outdoor air leakage is shown in Table 8 Return air pressure drop is shown in Table 9 Table 8 Outdoor Air Damper Leakage o2 06 10 12 LEAKAGE 35 53 65 75
81. nsor 20 Rigging unit 45 Roof curb Assembly 1 Dimensions 2 4 Leveling tolerances 2 3 Safety considerations Service 34 42 Service ports 26 Start up 26 34 Start up checklist CL 1 Supply air temperature sensor 18 Thermostat 14 Troubleshooting 43 47 Weight Corner 6 8 EconoMi erIV 6 9 5 Unit 6 9 Wind baffle 11 16 17 Wiring EconoMif erIV 19 Humidistat 24 Power connections 14 Thermostat 14 Unit 40 41 SERVICE TRAINING Packaged Service Training programs are an excellent way to increase your knowledge of the equipment discussed in this manual including Unit Familiarization Maintenance Installation Overview Operating Sequence A large selection of product theory and skills programs are available using popular video based formats and materials All include video and or slides plus companion book Classroom Service Training which includes hands on experience with the products in our labs can mean increased confidence that really pays dividends in faster troubleshooting and fewer callbacks Course descriptions and schedules are in our catalog CALL FOR FREE CATALOG 1 800 644 5544 Packaged Service Training 1 Classroom Service Training Copyright 2006 Bryant Heating amp Cooling Systems Printed in U S A CATALOG NO 04 53580003 01 MODEL NO START UP CHECKLIST SERIAL NO DATE TECHNICIAN PRE START UP VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FR
82. ntities may need to be adjusted to bring the actual rise to within the allowable limits Table 13 Fan Performance 580F180275 Low Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW Cfm SOOO NOEL N 10 00 5 5 5 QOO e AVAILABLE EXTERNAL STATIC PRESSURE wg AIRFLOW Cfm 09 09 DWORNYAWO WN RWW NONSONG 2 75 3 00 3 28 3 90 4 24 4 62 5 01 5 44 5 89 Ss EXTERNAL p PRESSURE a wg AIRFLOW Cfm 1372 4088 1419 1386 4337 1433 1401 4607 1448 4400 1466 4719 1511 5042 4655 1479 4978 4930 LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 873 to 1021 rpm Alternate high static drive range is 1025 to 1200 Other rpms require a field supplied drive Refer to page 32 for general Fan Performance Data notes NOTE Maximum continuous bhp for the standard motor is 6 13 The maximum continuous watts is 5180 Do not adjust motor rpm such that motor maxim
83. o 5700 or equivalent NOTE The 580F units have a low pressure switch standard located on the suction side FURNACE SECTION Rollout Switch Cutout Temp F Burner Orifice Diameter in drill size Natural Gas Std Thermostat Heat Anticipator Setting amps 208 230 v Stage 1 Stage 2 460 Stage 1 Stage 2 Stage 1 Stage 2 Efficiency Steady State 96 Temperature Rise Range Manifold Pressure in wg Natural Gas Liquid Propanettt Gas Valve Quantity Gas Valve Pressure Range in wg Gas Input Table 1 Physical Data cont UNIT 580F 180 210 240 300 Low Heat High Heat Low Heat High Heat Low Heat High Heat Low Heat High Heat 30 0 136 29 0 1285 0 98 0 44 0 80 0 44 206 000 270 000 275 000 360 000 81 15 45 20 50 3 3 3 3 1 5 5 13 5 0 235 0 487 0 98 0 44 0 80 0 44 206 000 270 000 275 000 360 000 81 15 45 20 50 3 3 3 3 1 5 5 13 5 0 235 0 487 0 98 0 44 0 80 0 44 206 000 270 000 275 000 360 000 81 15 45 20 50 3 3 3 3 1 5 5 13 5 0 235 0 487 30 0 136 29 0 1285 30 0 136 29 0 1285 30 0 136 29 0 98 0 44 0 80 0 44 206 000 270 000 275 000 360 000 81 15 45 20 50 3 3 3 3 1 5 5 13 5 0 235 0 487 psig Field Gas Connection Size in FPT HIGH PRESSURE SWITCH psig Cutout Reset Auto LOW PRESSURE SWITCH psig Cutout Reset Auto FREEZE PROTECTION THERMOSTAT F Opens Closes OUTDOOR AIR INLET SCREENS Cleanable Quantity Siz
84. o electrical components B Field Control Wiring Install a Bryant approved accessory thermostat assembly or light commercial Thermidistat device for units equipped with Perfect Humidity option according to the installation instructions included with accessory Locate thermostat assembly on a solid interior wall in the conditioned space to sense average temperature Route thermostat cable or equivalent single leads of colored wire from subbase terminals through conduit in unit to low voltage connections as shown on unit label wiring diagram and in Fig 16 NOTE For wireruns up to 50 ft use no 18 AWG American Wire Gage insulated wire 35 C minimum For 50 to 75 ft use no 16 AWG insulated wire 35 C minimum For over 75 ft use no 14 AWG insulated wire 35 C minimum All wire larger than no 18 AWG cannot be directly connected at the thermostat and will require a junction box and splice at the thermostat Set heat anticipator settings as follows VOLTAGE w 208 230 Settings may be changed slightly to provide a greater degree of comfort for a particular installation C Optional Non Fused Disconnect On units with the optional non fused disconnect incoming power will be wired into the disconnect switch Refer to Fig 17 for wiring for 100 and 200 amp disconnect switches Units with an MOCP maximum overcurrent protection under 100 will use the 100 amp disconnect switch Units with an MOCP over 100 wil
85. oling Systems Printed in U S A CL 1 CATALOG NO 04 53580003 01 CUT ALONG DOTTED LINE CUT ALONG DOTTED LINE
86. ooting C Single Enthlapy To check single enthalpy 1 Make sure EconoMi erlV preparation procedure has been performed 2 Set the enthalpy potentiometer to A fully CCW The Free Cool LED should be lit 3 Set the enthalpy potentiometer to D fully CW The Free Cool LED should turn off 4 Return EconoMi erlV settings and wiring to normal after completing troubleshooting D DCV Demand Controlled Ventilation and Power Exhaust To check DCV and Power Exhaust 1 Make sure EconoMi erlV preparation procedure has been performed 2 Ensure terminals AQ and are open The ED for both DCV and Exhaust should be off The actuator should be fully dosed 3 Connect a 9 v battery to AQ positive node and AQ1 negative node The LED for both DCV and Exhaust should turn on The actuator should drive to between 90 and 9596 open 4 Turn the Exhaust potentiometer CW until the Exhaust LED turns off The LED should turn off when the potentiometer is approximately 9096 The actuator should remain in position 5 Turn the DCV set point potentiometer CW until the DCV LED turns off The DCV LED should turn off when the potentiometer is approximately 9 v The actuator should drive fully closed 6 Turn the DCV and Exhaust potentiometers CCW until the Exhaust LED turns on The exhaust con tacts will close 30 to 120 seconds after the Exhaust LED turns on 7 Return EconoMi erlV settings and wiring to normal after completing troubleshoo
87. or replace with correct orifices Unit undersized for application Replace with proper unit or add additional unit Restricted airflow Clean filter replace filter or remove any restrictions Blower speed too low Install alternate motor if applicable or adjust pulley to increase fan speed Limit switch cycles main burners Check rotation of blower thermostat heat anticipator settings and temperature rise of unit Adjust as needed Too much outdoor air check economizer operation 7 minimum position Check economizer Check economizer operation Poor Flame Incomplete combustion lack of combustion air Check all screws around flue outlets and burner Characteristics results in compartment Tighten as necessary Aldehyde odors CO sooting flame or floating flame Cracked heat exchanger Overfired unit reduce input change orifices or adjust gas line or manifold pressure Check vent for restriction Clean as necessary Check orifice to burner alignment Burners Will Not Turn Unit is locked into Heating mode for a one minute Wait until mandatory one minute time period has Off minimum elapsed or power to unit Table 28 Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and Call power company Ora Will Not Start Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective thermostat contactor transformer or control Replace component relay Compressor Will Not Start but
88. pply and ORN lead for 575 v power supply The CLO locks out the compressor to prevent short cycling on compressor overload and safety devices before replacing CLO check these devices Number s indicates the line location of used contacts A bracket over 2 numbers signifies a single pole double throw contact An underlined number signifies a normally closed contact Plain no line number signifies a normally open contact 620 Ohm 1 watt 5 resistor should be removed only when using differential enthalpy or dry bulb If a separate field supplied 24 v transformer is used for the IAQ sensor power supply it cannot have the secondary of the transformer grounded OAT sensor is shipped inside unit and must be relocated in the field for proper operation For field installed remote minimum position POT remove black wire jumper between P and P1 and set control minimum position POT to the minimum position 42 TROUBLESHOOTING 1 UNIT TROUBLESHOOTING Refer to Tables 26 28 and Fig 47 Il ECONOMISERIV TROUBLSHOOTING See Table 29 for EconoMi erlV logic A functional view of the EconoMi erlV is shown in Fig 48 Typical settings sensor ranges and jumper positions are also shown EconoMi erlV simulator program is avail able from Bryant to help with EconoMi erlV training and troubleshooting A EconoMi erlV Preparation This procedure is used to prepare the EconoMi erlV for troubleshooting No troubleshooting or t
89. r fan motor data To alter fan performance see Evaporator Fan Performance Adjustment section on page 35 NOTE 31 gt bolt and threaded plate are included in the installer s packet They can be added to the motor support channel below the motor mounting plate to aid in raising the fan motor IX CONDENSER FANS AND MOTORS Condenser fans and motors are factory set Refer to Condenser Fan Adjustment section on page 36 as required Besurethat fans rotate the proper direction X RETURN AIR FILTERS Check that correct filters are installed in filter tracks see Table 1 Do not operate unit without return air filters XI OUTDOOR AIR INLET SCREENS Outdoor air inlet screens must be in place before operating unit GAS HEAT Verify gas pressures before turning on heat as follows 1 Turn off manual gas stop 2 Connect pressure gage to supply gas pressure tap seeFig 14 3 Connect pressure gage to manifold pressure tap gas valve 4 Turn on manual gas stop and set thermostat to HEAT position After the unit has run for several minutes verify that incoming pressure is 5 5 in wg or greater and that the manifold pressure is 3 3 in wg If manifold pressure must be adjusted refer to Gas Valve Adjustment section on page 37 5 After unit has been in operation for 5 minutes check temperature rise across the heat exchangers See unit informative plate for correct rise limits of the heat supplied Air qua
90. r position has been deter mined set the maximum damper demand control ventilation potentiometer to this position Do not set to the maximum position as this can result in over ventilation to the space and potential high humidity levels Sensor Configuration The sensor has preset standard voltage settings that can be selected anytime after the sensor is powered up See Table 12 Use setting 1 or 2 for Bryant equipment See Table 12 1 Press Clear and Mode buttons Hold at least 5 sec onds until the sensor enters the Edit mode 2 Press Mode twice The STDSET Menu will appear 3 Usethe Up Down button to select the preset number See Table 12 4 Press Enter to lock in the selection 5 Press to exit and resume normal operation The custom settings of the sensor can be changed any time after the sensor is energized Follow the steps below to change the non standard settings 1 Press Clear and Mode buttons Hold at least 5 sec onds until the sensor enters the Edit mode 2 Press Modetwice The STDSET Menu will appear 3 Use the Up Down button to toggle to the NONSTD menu and press Enter 4 Use the Up Down button to toggle through each of the nine variables starting with Altitude until the desired setting is reached 5 Press Mode to move through the variables 6 Press Enter to lock in the selection then press Mode to continue to the next variable Dehumidification of Fres
91. rt Time Dday Kit Install the kit the instructions supplied with the accessory purchased separately Sensor Assembly Install the sensor assembly in the loca tion shown in Fig 23 OUTDOOR AIR HOOD AND MOUNTING BRACKETS RETURN AIR FILTER ACCESS PANEL Fig 19 Outdoor Air Hood Component Location HO COMPONENTS HOOD TOP PANEL UPPER FILTER RETAINER SEAL STRIP HOOD DRAIN PAN Fig 20 Seal Strip Location BAFFLE LOWER FILTER RETAINER HOOD SIDE PANELS 2 HOOD TOP PANEL BAFFLE 300 ONLY FILTER RETAINER FILTER SUPPORT BRACKET HOOD DRAIN PAN UPPER FILTER RETAINER NOTE The outdoor air hood comes with a baffle which is used on size 300 units only discard baffle for size 180 240 units Fig 21 Outdoor Air Hood Details 16 Motor Mount To ensure proper fan height replace the existing motor mount with the new motor mount provided with accessory Transformer 460 v Units Only On 460 v units a trans former is required The transformer is provided with the accessory and must be field installed Motormaster amp Control Recommended mounting location is on the inside of the panel tothe left of the control box The control should be mounted on the inside of the panel verti cally with leads protruding from bottom of extrusion B Motormaster V Control Installation 580F240 and 300 Install Fiel
92. ry fall and periodically during heating season For the first heating season inspect blower wheel bi monthly to determine proper clean ing frequency To inspect blower wheel remove heat exchanger access panel Shine a flashlight into opening to inspect wheel If cleaning is required remove motor and wheel assembly by removing screws holding motor mounting plate to top of combustion fan housing The motor and wheel assembly will slide up and out of the fan housing Remove the blower wheel from the motor shaft and clean with a detergent or solvent Replace motor and wheel assembly D Evaporator Coil Clean as required with commercial coil deaner BAFFLE CLIP A 7 OVO HEAT EXCHANGER TUBES NOTE One baffle and clip will be in each upper tube of the heat exchanger Fig 37 Removing Heat Exchanger Ceramic Baffles and Clips E Condenser Coil Clean condenser coil annually and as required by location and outdoor air conditions Inspect coil monthly clean as required F Condensate Drain Check and dean each year at start of cooling season In winter keep drains and traps dry G Filters Clean or replace at start of each heating and cooling season or more often if operating conditions require Refer to Table 1 for type and size NOTE The 580F 300 unit requires industrial grade throw away filters capable of withstanding face velocities up to 625 fpm Ensure that replacement fi
93. t drop and the discharge pres sure does not rise to normal levels 1 Notethat the evaporator fan is probably also rotating in the wrong direction 2 Turn off power tothe unit 3 Reverse any two of the incoming power leads 4 Turn on power to the compressor The suction and discharge pressure levels should now move totheir normal start up levels NOTE When compressors are rotating in the wrong direc tion the unit will have increased noise levels and will not provide heating and cooling After a few minutes of reverse operation the scroll compres sor internal overload protection will open which will activate the unit s lockout and requires a manual reset Reset is accomplished by turning the thermostat on and off VI INTERNAL WIRING Check all electrical connections in unit control boxes tighten as required CRANKCASE HEATER Crankcase heater s is energized as long as there is power to the unit the compressor is not operating IMPORTANT Unit power must be on for 24 hours prior to start up Otherwise damage to compressor may result Vill EVAPORATOR FAN Fan belt and variable pulleys are factory installed See Tables 13 20 for fan performance data Be sure that fans rotate in the proper direction See Table 21 for air quantity limits See Table 22 for static pressure information for acces sories and options See Table 23 for fan rpm at various motor pulley settings See Tables 24 and 25 for evaporato
94. ting E DCV Minimum and Maximum Position To check the DCV minimum and maximum position 1 Make sure EconoMi erlV preparation procedure has been performed 2 Connect a 9 v battery to AQ positive node and AQ1 negative node The DCV LED should turn on The actuator should drive to between 90 and 95 open 3 Turn the DCV Maximum Position potentiometer to midpoint The actuator should drive to between 20 and 8096 open 4 Turn the DCV Maximum Position potentiometer to fully CCW The actuator should drive fully dosed 5 Turn the Minimum Position potentiometer to mid point The actuator should drive to between 20 and 8096 open 6 Turn the Minimum Position Potentiometer fully CW The actuator should drive fully open 7 Remove the jumper from TR and N The actuator should drive fully dosed 8 Return EconoMi erlV settings and wiring to normal after completing troubleshooting F Supply Air Input To check supply air input 1 Make sure EconoMi erlV preparation procedure has been performed 2 Set the Enthalpy potentiometer to A The Free Cool LED turns on The actuator should drive to between 20 and 80 open 3 Remove the 5 6 kilo ohm resistor and jumper T to T1 The actuator should drive fully open 4 Remove the jumper across T and T1 The actuator should drive fully dosed 5 Return EconoMi erlV settings and wiring to normal after completing troubleshooting 43 EconoMi erlV Troubleshooting Completion 6 Remo
95. to install the correct orifices Table 4 LP Gas Conversion ELEVATION ft LP GAS ORIFICEt As the height above sea level increases there is less oxygen per cubic foot of air Therefore heat input rate should be reduced at higher altitudes Includes a 4 input reduction per each 1000 ft TOrifices available through your Bryant dealer 12 Vill STEP 8 INSTALL GAS PIPING Unit is equipped for use with natural gas Installation must conform with local building codes or in the absence of local codes with the National Fuel Gas Code ANSI 7223 1 Install field supplied manual gas shutoff valve with 1 s in NPT pressure tap for test gage connection at unit Field gas piping must indude sediment trap and union See Fig 14 N WARNING Do not pressure test gas supply while connected to unit Always disconnect union before servicing IMPORTANT Natural gas pressure at unit gas connection must not be less than 5 5 wg or greater than 13 5 wg Size gas supply piping for 0 5 in wg maximum pressure drop Do not use supply pipe smaller than unit gas connection MANUAL SHUTOFF FIELD SUPPLIED GAS lt SUPPLY PRESSURE TAP 1 8 NPT PLUG TO UNIT SEDIMENT TRAP Fig 14 Field Gas Piping IX STEP 9 MAKE ELECTRICAL CONNECTIONS A Field Power Supply Unit is factory wired for voltage shown on unit nameplate When installing units provide a disconnect per NEC National Electric
96. ts passing through an unconditioned space must be insulated and covered with a vapor barrier IV STEP 4 MAKE UNIT DUCT CONNECTIONS Unit is shipped for thru the bottom duct connections Duct work openings are shown in Fig 1 and 4 6 Duc connections are shown in Fig 7 Field fabricated concentric ductwork may be connected as shown in Fig 8 and 9 Attach all duct work to roof curb and roof curb basepans SEE NOTE NOTE Do not drill in this area damage to basepan may result in water leak Fig 7 Air Distribution Thru the Bottom HEAT EXCHANGER SEE NOTE AIR OUT AIR IN AIR OUT NOTE Do not drill in this area damage to basepan may result in water leak Fig 8 Concentric Duct Air Distribution V STEP 5 INSTALL FLUE HOOD AND WIND BAFFLE Flue hood and wind baffle are shipped secured under main control box To install secure flue hood to access panel See Fig 10 The wind baffle is then installed over the flue hood NOTE When properly installed flue hood will line up with combustion fan housing See Fig 11 VI STEP 6 TRAP CONDENSATE DRAIN See Fig 12 for drain location One 3 4 half coupling is pro vided inside unit evaporator section for condensate drain connection An 81 2 in x 3 zin diameter and 2 in x 3 4 diameter pipe nipple coupled to standard diameter elbows provide a straight path down through hole in unit base rails see Fig 13
97. um bhp and or watts is exceeded at the maximum operat ing cfm See Table 24 for more information 27 Table 14 Fan Performance 580F180360 High Heat Units AVAILABLE EXTERNAL STATIC PRESSURE in wg AIRFLOW Cfm MOOORO XROOOU 0 1 0 GCP EG DOIN eS TOR OQ ON ROOooOOR O C ence PG STOUR s 00 00 0 2 4 gt OONN AVAILABLE EXTERNAL STATIC PRESSURE wg AIRFLOW Cfm 2 83 3 10 3 39 4 06 4 43 4 83 5 25 5 71 EXTERNAL ag PRESSURE p ET wg AIRFLOW Cfm 1381 4145 1428 1397 4409 1443 1414 4695 1460 4456 1473 4772 1518 5095 4725 1488 5046 5016 LEGEND Bhp Brake Horsepower Watts Input Watts to Motor Standard low medium static drive range is 873 to 1021 rpm Alternate high static drive range is 1025 to 1200 Other rpms require a field supplied drive Refer to page 32 for general Fan Performance Data notes NOTE Maximum continuous bhp for the standard motor is 6 13 The maximum continuous watts is 5180 Do not adjust motor rpm such that motor maximum bhp and or watts is exceeded at the maximum operat ing cfm See Table 24 for more information Table 15
98. ve 1 2 kilo ohm checkout resistor from terminals This procedure is used to return the EconoMi erlV to opera and If used reconnect sensor from terminals So tion Notroubleshooting or testing is done by performing the and following procedure 7 Remove jumper from TR to N 1 Disconnect power at TR and 1 8 Remove jumper from TR to 1 2 Set enthalpy potentiometer to previous setting 9 Remove 5 6 kilo ohm resistor from T and T1 Recon 3 Set DCV maximum position potentiometer to previ nect wires at T and T1 OUS setting 10 Remove jumper from P to P1 Reconnect device at P 4 Set minimum position DCV set point and exhaust and P1 potentiometers to previous settings 11 Apply power 24 vac toterminals TR and 5 Remove 620 ohm resistor from terminals Sg and Table 26 Perfect Humidity Dehumidification Subcooler Service Analysis PROBLEM CAUSE REMEDY Subcooler Will Not Energize No power to subcooler control transformer Check power source Ensure all wire connections are tight No power from subcooler control transformer to lig 1 Fuse open check fuse Ensure continuity of wiring uid line three way valve 2 Subcooler control low pressure switch open Cycle unit off and allow low pressure switch to reset Replace switch if it will not close 3 Transformer bad check transformer Liquid line three way valve will not operate 1 Solenoid coil defective replace 2 Solenoid valve stuck closed replace
99. ximum Allowable Rpm 1550 1550 1550 1550 Motor Pulley Pitch Diameter Low Medium Static 4 9 5 9 4 9 5 9 5 4 6 6 4 9 5 9 Min Max in High Static 4 9 5 9 4 9 5 9 5 4 6 6 4 9 5 9 Nominal Motor Shaft Diameter in Fan Pulley Pitch Diameter in Low Medium Static High Static Nominal Fan Shaft Diameter in Belt Quantity Type Length in Low Medium Static High Static Pulley Center Line Distance in Speed Change per Full Turn of Low Medium Static Movable Pulley Flange rpm High Static Movable Pulley Maximum Full Turns From Closed Position Factory Pulley Setting Factory Speed Setting rpm Low Medium Static High Static Fan Shaft Diameter at Pulley in LEGEND Bhp Brake Horsepower Thermostatic Expansion Valve The ZRU140KC compressor is a tandem compressor consisting of a ZR72KC 25 total capacity and ZR68KC 24 total capacity TCircuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator coils and Circuit 2 uses the upper portion of both coils Pulley has 6 turns Due to belt and pulley size movable pulley cannot be set to 0 to 11 2 turns open TtPulley has 6 turns Due to belt and pulley size movable pulley cannot be set 0 to 1 2 turns open Rollout switch is manual reset Liquid Propane kit is available as an accessory 580F300 unit requires 2 in industrial grade filters capable of handling face velocities up to 625 ft min such as American Air Filter n

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