Rheem RKNA SERIES Installation Instructions Manual
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Rheem RKNA SERIES Installation Instructions Manual

Package gas electric 3-5 tons
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INSTALLATION INSTRUCTIONS

PACKAGE GAS ELECTRIC
RKNA SERIES (3-5 TONS)
ARI Standard
210/240 UAC
™
92-23577-72-04
SUPERSEDES 92-23577-72-03

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  • Page 1: Installation Instructions

    INSTALLATION INSTRUCTIONS PACKAGE GAS ELECTRIC RKNA SERIES (3-5 TONS) ™ ARI Standard 210/240 UAC 92-23577-72-04 SUPERSEDES 92-23577-72-03...

  • Page 2: Table Of Contents

    I.TABLE OF CONTENTS I. Table of Contents ....................2 II. Introduction......................3 III. Checking Product Received ..................3 IV. Specifications ......................3 A. General ......................3 B. Major Components....................3 V. Safety Information ....................3 VI. Unit Dimensions ....................4 VII. Installation ......................6 A. General ......................6 1. Pre-Installation Check ..................6 2.

  • Page 3: Introduction

    II. INTRODUCTION Recognize this symbol as an indi- cation of Important Safety This booklet contains the installation and operating instructions for your combination gas Information! heating/electric cooling unit. There are some precautions that should be taken to derive maximum satisfaction from it. Improper installation can result in unsatisfactory operation or dangerous conditions.

  • Page 4: Unit Dimensions

    VI. UNIT DIMENSIONS FOR CLEARANCES SEE FIGURE 7. FIGURE 1 IMPORTANT: THIS UNIT BOTTOM VIEW MUST BE MOUNTED LEVEL IN BOTH DIRECTIONS TO ALLOW WATER TO DRAIN FROM THE CONDENSER SECTION AND CONDEN- SATE PAN. I316 FIGURE 2 CABINET DIMENSIONS AND ACCESS LOCATIONS I281...
  • Page 5 FIGURE 3 CABINET DIMENSIONS AND ACCESS LOCATIONS I282 FIGURE 4 SUPPLY AND RETURN DIMENSIONS I288...

  • Page 6: Installation

    VII. INSTALLATION WARNING A. GENERAL NEVER TEST FOR GAS LEAKS WITH AN OPEN FLAME. USE A Install this unit in accordance with The American National Standard Z223.1-latest edition COMMERCIALLY AVAILABLE booklet entitled “National Fuel Gas Code,” and the requirements or codes of the local SOAP SOLUTION MADE SPECIFI- utility or other authority having jurisdiction.

  • Page 7: Outside Installation

    WARNING FIGURE 5 OUTSIDE SLAB INSTALLATION. CLOSET DISTRIBUTION SYSTEM. SLAB FLOOR CONSTRUCTION. THIS UNIT MAY BE USED TO HEAT THE BUILDING OR STRUCTURE DURING CONSTRUCTION IF THE FOLLOWING INSTALLATION REQUIREMENTS ARE MET. INSTALLATION MUST COMPLY WITH ALL INSTALLATION INSTRUCTIONS INCLUDING: •...

  • Page 8: Attaching Exhaust And Combustion Air Inlet Hoods

    C. ATTACHING EXHAUST AND COMBUSTION AIR INLET HOODS IMPORTANT: Do not operate this unit without the exhaust/combustion air inlet hood properly installed. This hood is shipped in a carton in the blower compartment inside the unit and must be attached when the unit is installed. See Figure 3. To attach exhaust/combustion air inlet hood: 1.

  • Page 9: Rooftop Installation

    FIGURE 7 CLEARANCES I297 F. ROOFTOP INSTALLATION 1. Before locating the unit on the roof, make sure that the roof structure is adequate to support the weight involved. (See Electrical & Physical Tables in this manual.) THIS IS VERY IMPORTANT AND THE INSTALLER’S RESPONSIBILITY. 2.

  • Page 10: Return Air

    FIGURE 8 FLAT ROOFTOP INSTALLATION, ATTIC OR DROP CEILING DISTRIBUTING SYSTEM. MOUNTED ON ROOFCURB. CURB MUST BE LEVEL. I299 On ductwork exposed to outside temperature and humidity, use a minimum of 2 of insulation and a vapor barrier. Distribution system in attic, furred space or crawl space should be insulated with at least 2 of insulation.
  • Page 11 FIGURE 9 LIFTING DETAIL SPREADER BAR LIFTING BEAM CABLE OR CHAIN 5/8 SHACKLE (EACH CORNER) CORNER WEIGHTS BY PERCENTAGE I296 FIGURE 10 FIGURE 11 UNIT ROOFCURB ROOFCURB ROOFTOP UNI ROOFTOP UNIT HOLD GASKET GASKET COUNTER FLA DOWN COUNTER FLASHING* BRACKET NAILER STRIP NAILER STRIP TYP.

  • Page 12: Gas Supply, Condensate Drain And Piping

    VIII. GAS SUPPLY, CONDENSATE DRAIN AND VIII. PIPING A. GAS CONNECTION IMPORTANT: Connect this unit only to gas supplied by a commercial utility. 1. Install gas piping in accordance with local codes and regulations of the local utility 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.

  • Page 13: Lp Conversion

    In making gas connections, avoid strains as they may cause noise and damage the con- trols. A backup wrench is required to be used on the valve to avoid damage. The capacities of gas pipe of different diameters and lengths in cu. ft. per hr. with pres- sure drop of 0.3 in.

  • Page 14: Adjusting Or Checking Furnace Input

    FIGURE 15 FIGURE 14 MANIFOLD PIPE D. ADJUSTING OR CHECKING FURNACE INPUT – Natural Gas Line Pressure 5 - 10.5 W.C. – LP Gas Line Pressure 11 - 13 W.C. – Natural Gas Manifold Pressure 3.5 W.C – LP Gas Manifold Pressure - 10 W.C. Supply and manifold pressure taps are located on the gas valve body 1/8 N.P.T.

  • Page 15: Condensate Drain

    TABLE 3 FIGURE 16 METER TIME IN MINUTES AND SECONDS FOR NORMAL CONDENSATE DRAIN INPUT RATING OF FURNACES EQUIPPED FOR NATURAL OR LP GAS METER HEATING VALUE OF GAS BTU PER CU. FT. INPUT SIZE 1000 1040 1100 2500 BTU/HR CU.
  • Page 16 FIGURE 17 RECOMMENDED BRANCH CIRCUIT DISCONNECT LOCATION TABLE 4 BRANCH CIRCUIT COPPER WIRE SIZE (Based on 1% Voltage Drop)* 45 50 BRANCH CIRCUIT AMPACITY SUPPLY WIRE LENGTH-FEET *Taken from National Electric Code BRANCH CIRCUIT DISCONNECT TO POWER TO THERMOSTAT I317A NOTES: 1.

  • Page 17: Hook Up

    FIGURE 18 FIGURE 19 TYPICAL THERMOSTAT WIRING I658 WIRE SIZE, AWG CONDUIT SIZE 1-1/4 1-1/4 1-1/2 1-1/2 HOLE SIZE 1-31/32 1-23/64 1-23/64 1-23/32 1-23/32 1-31/32 1-31/32 2-15/32 2-15/32 NOTES: 1. DETERMINE REQUIRED WIRE SIZE FROM MINIMUM CIRCUIT AMPACITY SHOWN IN INSTALLATION & OPERATING INSTRUCTION. 2.

  • Page 18: Furnace Section Controls And Ignition System

    TABLE 6 FIELD WIRE SIZE FOR 24 VOLT THERMOSTAT CIRCUITS SOLID COPPER WIRE - AWG. Length of Run – Feet (1) (1) The total wire length is the distance from the furnace to the thermo- stat and back to the furnace. NOTE: DO NOT USE CONTROL WIRING SMALLER THAN NO.

  • Page 19: Operating Instructions

    is either no power to the control or there is an internal component failure within the control, and the control should be replaced. If the control detects the following failures, the LED will flash on for approximately 1/4 sec- ond, then off for 3/4 second for designated failure detections. 1 Flash: Failed to detect flame within the three tries for ignition.

  • Page 20: Burners

    WARNING SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, SHUT OFF THE MANUAL GAS VALVE TO THE APPLIANCE BEFORE SHUTTING OFF THE ELECTRICAL SUPPLY. FAILURE TO DO SO CAN RESULT IN AN EXPLOSION OR FIRE CAUSING PROPERTY DAMAGE, SEVERE PERSONAL INJURY OR DEATH! BURNERS Burners for these units have been designed so that field adjustment is not required.

  • Page 21: Furnace Section Maintenance

    7. IMPORTANT: Replace all blower doors and compartment cover after servicing the unit. Do not operate the unit without all panels and doors securely in place. 8. Do not allow snow or other debris to accumulate in the vicinity of the appliance. FURNACE SECTION MAINTENANCE The unit’s furnace should operate for many years without excessive scale build-up in flue passageways;...

  • Page 22: Lubrication

    WARNING DISCONNECT MAIN ELECTRICAL POWER TO THE UNIT BEFORE ATTEMPT- ING MAINTENANCE. FAILURE TO DO SO MAY RESULT IN ELECTRICAL SHOCK OR SEVERE PERSONAL INJURY OR DEATH. LUBRICATION IMPORTANT: DO NOT attempt to lubricate the bearings on the blower motor or the induced draft blower motor.

  • Page 23: Replacement Parts

    tion. Rinse the coil thoroughly with water. IMPORTANT: 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 unit. 5.
  • Page 24 SPEED TAP BLOCK FIGURE 22 FIGURE 20 FIGURE 21 INTEGRATED FURNACE CONTROL...
  • Page 25 FIGURE 22 (Continued)

  • Page 26: Xii. General Data

    XII. GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A036CK08E A036CK12E A036CL08E A036CL12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] EER/SEER 11.7/13 11.7/13 11.7/13 11.7/13 Nominal CFM/ARI Rated CFM [L/s] 1200/1200 [566/566]...
  • Page 27 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A036CM08E A036CM12E A036DK08E A036DK12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] EER/SEER 11.7/13 11.7/13 11.7/13 11.7/13 Nominal CFM/ARI Rated CFM [L/s] 1200/1200 [566/566] 1200/1200 [566/566]...
  • Page 28 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A036DL08E A036DL12E A036DM08E A036DM12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] EER/SEER 11.7/13 11.7/13 11.7/13 11.7/13 Nominal CFM/ARI Rated CFM [L/s] 1200/1200 [566/566] 1200/1200 [566/566]...
  • Page 29 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A036JK08E A036JK08X A036JK12E A036JK12X Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] 37,400 [10.96] EER/SEER 11.7/13 11.7/13 11.7/13 11.7/13 Nominal CFM/ARI Rated CFM [L/s] 1200/1200 [566/566] 1200/1200 [566/566]...
  • Page 30 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A042CK08E A042CK12E A042CL08E A042CL12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] EER/SEER 11.45/13 11.45/13 11.45/13 11.45/13 Nominal CFM/ARI Rated CFM [L/s] 1400/1450 [661/684] 1400/1450 [661/684]...
  • Page 31 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A042CM08E A042CM12E A042DK08E A042DK12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] EER/SEER 11.45/13 11.45/13 11.45/13 11.45/13 Nominal CFM/ARI Rated CFM [L/s] 1400/1450 [661/684] 1400/1450 [661/684]...
  • Page 32 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A042DL08E A042DL12E A042DM08E A042DM12E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] EER/SEER 11.45/13 11.45/13 11.45/13 11.45/13 Nominal CFM/ARI Rated CFM [L/s] 1400/1450 [661/684] 1400/1450 [661/684]...
  • Page 33 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A042JK08E A042JK08X A042JK12E A042JK12X Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] 43,000 [12.6] EER/SEER 11.45/13 11.45/13 11.45/13 11.45/13 Nominal CFM/ARI Rated CFM [L/s] 1400/1450 [661/684] 1400/1450 [661/684]...
  • Page 34 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048CK08E A048CK10E A048CK13E A048CL08E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 35 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048CL10E A048CL13E A048CM08E A048CM10E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 36 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048CM13E A048DK08E A048DK10E A048DK13E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 37 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048DL08E A048DL10E A048DL13E A048DM08E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 38 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048DM10E A048DM13E A048JK08E A048JK08X Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 39 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A048JK10E A048JK10X A048JK13E A048JK13X Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] 49,000 [14.36] EER/SEER 11.4/13.1 11.4/13.1 11.4/13.1 11.4/13.1 Nominal CFM/ARI Rated CFM [L/s] 1600/1550 [755/731] 1600/1550 [755/731]...
  • Page 40 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A060CK10E A060CK13E A060CL10E A060CL13E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] EER/SEER 11.6/13 11.6/13 11.6/13 11.6/13 Nominal CFM/ARI Rated CFM [L/s] 2000/1900 [897/897] 2000/1900 [897/897]...
  • Page 41 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A060CM10E A060CM13E A060DL10E A060DL13E Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] EER/SEER 11.6/13 11.6/13 11.6/13 11.6/13 Nominal CFM/ARI Rated CFM [L/s] 2000/1900 [897/897] 2000/1900 [897/897]...
  • Page 42 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A060DM10E A060DM13E A060JK10E A060JK10X Cooling Performance Continued -> Gross Cooling Capacity Btu [kW] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] 60,000 [17.58] EER/SEER 11.6/13 11.6/13 11.6/13 11.6/13 Nominal CFM/ARI Rated CFM [L/s] 2000/1900 [897/897] 2000/1900 [897/897]...
  • Page 43 GENERAL DATA - RKNA MODELS NOMINAL SIZES 3-5 TONS [10.6-17.6 kW] Model RKNA- Series A060JK13E A060JK13X Cooling Performance Gross Cooling Capacity Btu [kW] 60,000 [17.58] 60,000 [17.58] EER/SEER 11.6/13 11.6/13 Nominal CFM/ARI Rated CFM [L/s] 2000/1900 [897/897] 2000/1900 [897/897] ARI Net Cooling Capacity Btu [kW] 58,000 [16.99] 58,000 [16.99] Net Sensible Capacity Btu [kW]...

  • Page 44: Miscellaneous

    XIII. MISCELLANEOUS ELECTRICAL DATA – RKNA SERIES -A036CK08E -A036CK12E -A036CL08E -A036CL12E -A036CM08E -A036CM12E -A036DK08E -A036DK12E -A036DL08E Unit Operating 187-253 187-253 187-253 187-253 187-253 187-253 414-506 414-506 414-506 Voltage Range Minimum Circuit 18/18 18/18 17/17 17/17 17/17 17/17 Ampacity Minimum Overcurrent...
  • Page 45 ELECTRICAL DATA – RKNA SERIES -A042CL08E -A042CL12E -A042CM08E -A042CM12E -A042DK08E -A042DK12E -A042DL08E -A042DL12E -A042DM08E Unit Operating 187-253 187-253 187-253 187-253 414-506 414-506 414-506 414-506 414-506 Voltage Range Minimum Circuit 20/20 20/20 20/20 20/20 Ampacity Minimum Overcurrent 25/25 25/25 25/25 25/25...
  • Page 46 ELECTRICAL DATA – RKNA SERIES -A048CL10E -A048CL13E -A048CM08E -A048CM10E -A048CM13E -A048DK08E -A048DK10E -A048DK13E -A048DL08E Unit Operating 187-253 187-253 187-253 187-253 187-253 414-506 414-506 414-506 414-506 Voltage Range Minimum Circuit 20/20 20/20 21/21 21/21 21/21 Ampacity Minimum Overcurrent 25/25 25/25 25/25...
  • Page 47 ELECTRICAL DATA – RKNA SERIES -A048JK13E -A048JK13X -A060CK10E -A060CK13E -A060CL10E -A060CL13E -A060CM10E -A060CM13E -A060DL10E Unit Operating 187-253 187-253 187-253 187-253 187-253 187-253 187-253 187-253 414-506 Voltage Range Minimum Circuit 31/31 31/31 30/30 30/30 25/25 25/25 26/26 26/26 Ampacity Minimum Overcurrent...

  • Page 48: Airflow Performance

    INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS DIRECT DRIVE...
  • Page 49 INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS DIRECT DRIVE...
  • Page 50 INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS DIRECT DRIVE...
  • Page 51 INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS BELT DRIVE...
  • Page 52 INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS BELT DRIVE...
  • Page 53 INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS BELT DRIVE...

  • Page 54: Airflow Performance

    INDOOR AIRFLOW PERFORMANCE FOR 3-5 TON PACKAGE GAS ELECTRIC UNITS BELT DRIVE...

  • Page 55: Wiring Diagrams

    FIGURE 23 WIRING DIAGRAM...
  • Page 56 FIGURE 24 WIRING DIAGRAM...
  • Page 57 FIGURE 25 WIRING DIAGRAM...
  • Page 58 FIGURE 26 WIRING DIAGRAM...
  • Page 59 FIGURE 27 WIRING DIAGRAM...
  • Page 60 FIGURE 28 WIRING DIAGRAM...
  • Page 61 FIGURE 29 WIRING DIAGRAM...

  • Page 62: Charge Charts

    FIGURE 30 SYSTEM CHARGE CHARTS 3 TON COOLING - 13 SEER...
  • Page 63 FIGURE 31 SYSTEM CHARGE CHARTS 3.5 TON COOLING - 13 SEER...
  • Page 64 FIGURE 32 SYSTEM CHARGE CHARTS 4 TON COOLING - 13 SEER...

  • Page 65: Charge Charts

    FIGURE 33 SYSTEM CHARGE CHARTS 5 TON COOLING - 13 SEER...
  • Page 66 COOLING TROUBLE SHOOTING CHART WARNING DISCONNECT ALL POWER TO UNIT BEFORE SERVICING. CONTACTOR MAY BREAK ONLY ONE SIDE. FAIL- URE TO SHUT OFF POWER CAN CAUSE ELECTRICAL SHOCK RESULTING IN PERSONAL INJURY OR DEATH. SYMPTOM POSSIBLE CAUSE REMEDY Unit will not run •...
  • Page 67 FURNACE TROUBLESHOOTING GUIDE (COMBINATION HEATING AND COOLING UNITS WITH DIRECT SPARK IGNITION) WARNING HAZARDOUS VOLTAGE DISCONNECT POWER BEFORE LINE VOLTAGE CON- SERVICING. NECTIONS SERVICE MUST BE BY A TRAINED, QUALIFIED SERVICE TECHNICIAN. START SET THERMOSTAT TO CALL FOR HEAT SET FAN SWITCH TO AUTO •...

  • Page 68: Troubleshooting

    NOTE: IF THE SYSTEM GOES INTO LOCKOUT, WAIT 30 SECONDS AND RESET THE SYSTEM. REPLACE SENSOR MAIN BURNER FLAME SUSTAINED • CHECK FLAME SENSOR POSITION AND CONDITION • CLEAN FLAME SENSOR WITH STEEL WOOL • CHECK FLAME SENSOR WIRES AND CONNECTIONS REPLACE IGNITION CON- TROL •...

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