Rheem RKKL Series Installation Instructions Manual Download Page 1

92-23577-105-01

SUPERSEDES 92-23577-105-00

INSTALLATION INSTRUCTIONS

FOR COMBINATION HEATING AND COOLING ROOFTOP UNITS

RKKL- SERIES 7.5, 10 AND 12.5 TON [26.4, 35.2 AND 44.0 kW]

ISO 9001:2008

Featuring Industry

Standard R-410A

Summary of Contents for RKKL Series

Page 1: ...5 01 SUPERSEDES 92 23577 105 00 INSTALLATION INSTRUCTIONS FOR COMBINATION HEATING AND COOLING ROOFTOP UNITS RKKL SERIES 7 5 10 AND 12 5 TON 26 4 35 2 AND 44 0 kW ISO 9001 2008 Featuring Industry Stand...

Page 2: ...SUPPLY CONDENSATE DRAIN AND PIPING 26 Gas Connection 26 LP Conversion 28 Adjusting or Checking Furnace Input 28 Condensate Drain 29 IV WIRING 30 Power Supply 30 Hook up 31 Internal Wiring 31 Thermost...

Page 3: ...ALL UNIT TO OPERATE WITHIN THE UNIT S INTENDED TEM PERATURE RISE RANGE WITH A DUCT SYSTEM WHICH HAS AN EXTERNAL STATIC PRESSURE WITHIN THE ALLOWABLE RANGE AS SPECIFIED IN DUCTING SECTION OF THESE INST...

Page 4: ...AIR DUCT SEALED TO THE FURNACE AIR FILTERS IN PLACE SET FURNACE INPUT RATE AND TEMPERATURE RISE PER RATING PLATE MARKING RETURN AIR TEMPERATURE MAINTAINED BETWEEN 55 F 13 C AND 80 F 27 C AND INSTALLAT...

Page 5: ...anger assembly gas burner and control assembly com bustion air motor and fan and all necessary internal electrical wiring The cooling systems of these units are factory evacuated charged and performan...

Page 6: ...not install a suction line filter drier in the liquid line A liquid line filter drier is standard on every unit Desiccant drying agent must be compatible for POE oils and R 410A 3 Evaporator Coil Exp...

Page 7: ...IMPORTANT THIS UNIT MUST BE MOUNTED LEVEL IN BOTH DIRECTIONS TO ALLOW WATER TO DRAIN FROM THE CONDENSER SEC TION AND CONDEN SATE PAN LEFT SIDE FRONT SIDE 7 ST A1154 01 00 ELECTRICAL ACCESS BLOWER ACCE...

Page 8: ...OW APPLICATIONS Illustration ST A0738 02 SUPPLY AND RETURN DIMENSIONS FOR HORIZONTAL APPLICATIONS RECOMMENDED DUCT DIMENSIONS ARE 26 Illustration ST A0736 02 X1 BOTTOM VIEW SIDE VIEW REAR LEFT SIDE FR...

Page 9: ...9 Illustration ST A0801 17 I FIGURE 6 ROOFCURB INSTALLATION FIGURE 5 ST A1154 02 00...

Page 10: ...l Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 13 5 1 25 13 5 1 25 13 5 1 25 13 5 1 25 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Louvere...

Page 11: ...el Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 13 5 1 25 13 5 1 25 13 5 1 25 13 5 1 25 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Louver...

Page 12: ...el Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 13 5 1 25 13 5 1 25 13 5 1 25 13 5 1 25 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Louver...

Page 13: ...nel MicroChannel MicroChannel Depth in mm 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 13 5 1 25 13 5 1 25 13 5 1 25 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Tub...

Page 14: ...nel MicroChannel MicroChannel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 27 2 51 27 2 51 27 2 51 27 2 51 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louve...

Page 15: ...nel MicroChannel MicroChannel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 27 2 51 27 2 51 27 2 51 27 2 51 Rows FPI FPcm 1 23 9 1 23 9 1 23 9 1 23 9 Indoor Coil Fin Type Louvered Louve...

Page 16: ...hannel MicroChannel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 27 2 51 27 2 51 27 2 51 27 2 51 Rows FPI FPcm 1 23 9 1 23 9 2 23 9 2 23 9 Indoor Coil Fin Type Louvered Louvered Louver...

Page 17: ...nnel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 27 2 51 27 2 51 27 2 51 27 2 51 Rows FPI FPcm 2 23 9 2 23 9 2 23 9 2 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Louvered Tub...

Page 18: ...l MicroChannel Depth in mm 1 25 4 1 25 4 1 25 4 1 25 4 Face Area sq ft sq m 27 2 51 27 2 51 27 2 51 27 2 51 Rows FPI FPcm 2 23 9 2 23 9 2 23 9 2 23 9 Indoor Coil Fin Type Louvered Louvered Louvered Lo...

Page 19: ...1 2 1 2 1 2 1 2 1 2 1 2 2 3 2 3 2 3 2 3 2 3 2 3 1 5 1 5 1 5 1 1 1 5 6 5 6 5 6 5 6 5 6 5 6 3 1 3 1 3 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 208 230 208 230 208 230 460 460 460 575 575 575 3 3 3 3 3 3 3 3 3 2...

Page 20: ...0 35 80 80 90 90 40 45 35 35 1 1 1 1 1 1 2 2 2 2 2 2 200 240 200 240 480 480 600 600 208 230 208 230 460 460 575 575 3 3 3 3 3 3 3 3 3 3 3 3 3450 3450 3450 3450 3450 3450 3450 3450 3450 3450 3450 3450...

Page 21: ...s sulphur or chlorine from lawn watering systems and vari ous chemical contaminants from industries such as paper mills and petroleum refineries are especially corrosive If the unit is to be installed...

Page 22: ...area snowfall and to allow combustion air to enter the combustion air inlet 7 Select an area which will keep the areas of the vent air intake and A C condenser fins free and clear of obstructions such...

Page 23: ...niques E COVER PANEL INSTALLATION CONVERSION PROCEDURE DOWNFLOW TO HORIZONTAL 1 Remove the screws and covers from the outside of the supply and return sections See Figure 2 2 Install the covers over t...

Page 24: ...rvice immediately block off supply and return air openings to prevent excessive condensation I DUCTING The installing contractor should fabricate ductwork in accordance with local codes Use industry m...

Page 25: ...uction which might change this to a confined space Also caution the user homeowner against any future installation of additional equipment such as power ventilators clothes dryers etc within the exist...

Page 26: ...ty company In the absence of local codes the installation must conform to the specifi cations of the National Fuel Gas Code ANSI Z223 1 latest edition NOTE The use of flexible gas connectors is not pe...

Page 27: ...pressure testing of this gas supply system at pressures equal to or less than 1 2 PSIG TO CHECK FOR GAS LEAKS USE A SOAP AND WATER SOLUTION OR OTHER APPROVED METHOD DO NOT USE AN OPEN FLAME IMPORTANT...

Page 28: ...fold pressure should be set at 10 W C at the gas con trol valve WARNING THIS UNIT IS EQUIPPED AT THE FACTORY FOR USE ON NATURAL GAS ONLY CONVERSION TO LP GAS REQUIRES A SPECIAL KIT SUPPLIED BY THE DIS...

Page 29: ...uce the input 4 for each 1 000 feet 305 meters above sea level NOTICE DERATING OF THE HEATING INPUT FOR HIGH ALTITUDE IN THE FIELD IS UNLAWFUL IN CANADA REFER TO CAN CGA 2 17 UNITS INSTALLED IN ALTITU...

Page 30: ...o unit 4 For through the base wiring entry reference Figure 17 All fittings and conduit are field supplied for this application Reference the chart with Figure 17 for proper hole and conduit size NOTE...

Page 31: ...he field between the unit and devices not attached to the unit or between separate devices which are field installed and located shall conform with the temperature limitation for Type T wire 63 F rise...

Page 32: ...IRED WIRE SIZE FROM MINIMUM CIRCUIT AMPACITY SHOWN IN INSTALLATION OPERATING INSTRUCTION 2 BOTTOM POWER ENTRY WILL NOT ACCOMMODATE WIRE LARGER THAN 2 AWG SHADED AREA WIRE FROM ZONE THERMOSTAT TO BE RO...

Page 33: ...Control enters normal operating loop where all inputs are continuously checked C Second Stage Satisfied First Stage Still Called For Starting From B 2 1 Once the call for second stage is satisfied the...

Page 34: ...ING INSTRUCTIONS This appliance is equipped with integrated furnace control This device lights the main burners each time the room thermostat closes calls for heat See operating instructions on the ba...

Page 35: ...the furnace from exceeding the maxi mum outlet air temperature IMPORTANT Replace this control only with the identical replacement part VI SYSTEM OPERATING INFORMATION ADVISE THE CUSTOMER 1 Change the...

Page 36: ...the heat exchanger center panel Remove the induced draft blower and the collector box from the unit 9 Remove the turbulators from inside the heat exchangers by inserting the blade of a screwdriver un...

Page 37: ...PORTANT Do not use excessive water pressure Excessive water pressure can bend the fins and tubing of the coil and lead to inadequate unit performance Be careful not to splash water excessively into un...

Page 38: ...unit and check for proper operation especially the condenser fan motor REPLACEMENT PARTS Contact your local distributor for a complete parts list TROUBLESHOOTING Refer to Figures 19 and 20 for determ...

Page 39: ...1148 2606 1178 2691 1133 2649 1163 2734 1192 2820 0 1 02 0 2 05 0 3 07 0 4 10 0 7 17 0 8 20 0 9 22 1 0 25 1 1 27 1 2 30 1 3 32 1 4 35 1 5 37 1 6 40 1 7 42 1 8 45 1 9 47 2 0 50 External Static Pressur...

Page 40: ...2338 1188 932 2452 4600 2171 794 2105 821 2180 840 2254 876 2329 919 2457 940 2571 960 2684 980 2798 1000 2911 1021 3025 1041 3138 1061 3252 1124 3365 1151 3479 1122 3592 952 2585 973 2679 993 2793 10...

Page 41: ...41 TABLE 9 AIR FLOW PERFORMANCE 12 5 TON 43 9 kW RKKL B120 MODELS...

Page 42: ...ltage At compressor terminals voltage must be within 10 of rating plate volts when unit is operating Compressor short cycles Incorrect voltage At compressor terminals voltage must be 10 of nameplate m...

Page 43: ...OLTAGE TRANSFORMER CHECK WIRING CHECK FOR 208 230 VAC TO IDM MOTOR CHECK IGNITOR CABLE CHECK SPARK IGNITOR POSITION AND CONDITION IS EACH NEGATIVE PRESSURE SWITCH CLOSED CHECK FOR OPEN ROLL OUT CONTRO...

Page 44: ...OPER THERMOSTAT OPERATION REMOVE VALVE LEAD AT GAS VALVE IF VALVE CLOSES RECHECK THE THERMOSTAT AND WIRING IF OK THEN REPLACE VALVE YES NO SYSTEM RUNS UNTIL CALL FOR HEAT ENDS TROUBLESHOOTING ENDS REP...

Page 45: ...45 FIGURE 21...

Page 46: ...46 FIGURE 22...

Page 47: ...47 FIGURE 23...

Page 48: ...48 FIGURE 24...

Page 49: ...49 FIGURE 25...

Page 50: ...50 FIGURE 26...

Page 51: ...51 FIGURE 27 RKKL SYSTEM CHARGE CHART...

Page 52: ...52 FIGURE 28 RKKL SYSTEM CHARGE CHART 10 TON CIRCUIT 1 92 102259 20 00 SYSTEM CHARGE CHART REFRIGERANT 410A 115 105 95 85 75 65 55...

Page 53: ...53 FIGURE 29 RKKL SYSTEM CHARGE CHART BOTH COMPRESSORS MUST BE OPERATING BEFORE CHECKING REFRIGERANT CHARGE BEFORE FINAL REFRIGERANT CHECK RETURN AIR TEMPERATURE MUST BE WITHIN COMFORT CONDITIONS...

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