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Page 42

Troubleshooting: Cooling Sequence of Operation

COOLING SEQUENCE OF OPERATION

SIGNAL POLARITY REVERSED.

CONTROL WILL CONTINUE TO CALL FOR COOLING

IN THIS CONDITION.

STATUS ERROR CODE 5 + 4.

POWER ON

YES

IS POLARITY REVERSED?

THERMOSTAT CALLS FOR FIRST−STAGE COOL.

COMPRESSOR AND CONDENSER FAN

ENERGIZED.

IS THERE

PROPER GROUND?

YES

INDOOR BLOWER ENERGIZED ON FIRST STAGE

COOL SPEED AFTER 2 SECOND DELAY.

FIRST−STAGE DEMAND FOR COOL SATISFIED?

THERMOSTAT CALLS FOR SECOND−STAGE COOL.

COMPRESSOR AND CONDENSER FAN DE−ENERGIZED.

INDOOR BLOWER DE−ENEGIZED.

YES

INDOOR BLOWER RAMPS UP TO SECOND−STAGE COOL SPEED.

SECOND−STAGE DEMAND FOR COOL SATISFIED?

YES

UNIT RETURNS TO FIRST STAGE COOL

SIGNAL IMPROPER GROUND AT LED.

CONTROL WILL CONTINUE TO CALL FOR COOLING

IN THIS CONDITION.

STATUS ERROR CODE 5 + 3.

Содержание G50DFV-60C-110

Страница 1: ...of Operation 33 Service 34 Planned Service 36 Repair Parts List 36 Integrated Control Diagnostic Codes 37 Troubleshooting 38 Start Up Performance Check List 44 WHAT TO DO IF YOU SMELL GAS Do not store...

Страница 2: ...235 4 7 8 124 Right 2 1 4 57 Left 40 1016 3 3 4 95 5 8 16 AIR FLOW 5 8 16 3 4 19 19 1 2 495 5 8 16 B 5 8 16 5 8 16 Supply Air Supply Air Model No A B C D Model No in mm in mm in mm in mm G60DFV X 36A...

Страница 3: ...sket Combustion Air Inducer Gasket Primary Limit Heat Exchanger Combustion Air Orifice Transformer Two Stage Integrated Control Flue Chase Gasket Door Interlock Switch Flame Sensor Gas Valve Burners I...

Страница 4: ...Adequate clearance must be made around the air open ings into the vestibule area In order to ensure proper unit operation combustion and ventilation air supply must be provided according to the curren...

Страница 5: ...s must be replaced upon construction comple tion D The input rate and temperature rise must be set per the furnace rating plate D One hundred percent 100 outdoor air must be pro vided for combustion a...

Страница 6: ...well as all local codes CAUTION Insufficient combustion air can cause headaches nausea dizziness or asphyxiation It will also cause excess water in the heat exchanger resulting in rust ing and prematu...

Страница 7: ...have a minimum free area of 1 square inch 645 mm2 per 1 000 Btu 29 kW per hour of total input rating of all gas fired equipment in the confined space Each opening must be at least 100 square inches 6...

Страница 8: ...e square inch 645 mm2 per 4 000 Btu 1 17 kW per hour of the total input rating of all equip ment in the enclosure CHIMNEY OR GAS VENT WATER HEATER OUTLET AIR VENTILATION LOUVERS Each end of attic INLE...

Страница 9: ...e or other combustible ma terial other than wood flooring TABLE 2 ADDITIVE BASE FLOOR OPENING SIZE M d l N Front to Rear Side to Side Model No in mm in mm A Cabinet 14 5 22 559 15 3 4 400 B Cabinet 17...

Страница 10: ...rely in place when the blower and burners are operating Gas fumes which could contain carbon monoxide can be drawn into living space resulting in personal inju ry or death Downflow Application Allow f...

Страница 11: ...e USA and the current standards of CSA B149 Natural Gas and Propane Installation Code in Cana da A fan assisted Category I furnace is an appliance equipped with an integral mechanical means to either...

Страница 12: ...le walled or double walled vent connector may be used Refer to the capacity requirements shown in the provided venting tables for installations in USA and the venting tables in current CSA B149 for in...

Страница 13: ...to have two 90 el bows For each additional 90 elbow or equivalent for example two 45 elbows equal one 90 elbow beyond two the maximum capacity listed in the venting table should be reduced by 10 0 90...

Страница 14: ...Height H Lateral L 3 Inch 4 Inch 5 Inch 6 Inch H feet L feet Appliance Input Rating in Thousands of Btu Per Hour feet feet MIN MAX MIN MAX MIN MAX MIN MAX 0 0 78 0 152 0 251 0 375 6 2 13 51 18 97 27 1...

Страница 15: ...36 80 225 115 337 15 5 51 63 75 128 102 216 144 326 10 NR NR 95 116 128 201 182 308 15 NR NR NR NR 158 186 220 290 0 35 96 54 200 78 346 114 537 2 37 74 56 148 78 248 113 375 20 5 50 68 73 140 100 239...

Страница 16: ...6 69 220 1 21 50 33 89 47 142 64 220 15 2 22 53 35 96 49 153 66 235 3 24 55 36 102 51 163 68 248 1 21 54 33 99 46 157 62 246 20 2 22 57 34 105 48 167 64 259 3 23 60 35 110 50 176 66 271 1 20 62 31 113...

Страница 17: ...while each appliance is operat ing and the other appliances which are not operating re main connected to the common venting system If the vent ing system has been installed improperly you must correct...

Страница 18: ...urnished by the installer external to the unit The union must be of the ground joint type IMPORTANT Compounds used on threaded joints of gas piping must be resistant to the actions of liquified petro...

Страница 19: ...upply system at pressuresless than or equal to 1 2 psig 3 48 kPa 14 inches w c IMPORTANT When testing pressure of gas lines gas valve must be disconnected and isolated See figure 14 Gas valves can be...

Страница 20: ...ted control Any electronic air cleaner rated up to one amp can be connected to this terminal with the neutral leg of the circuit being con nected to the one of the provided neutral terminals See figur...

Страница 21: ...e heat ON delay OFF 10 min utes ON 15 minutes ON Intact Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 1 Heat 2 Cool NOTE Use DIP switch 2 to set second stage heat ON delay OFF 10 min utes ON...

Страница 22: ...oling W914 Dehu midification or Harmony III W951 Heat Pumps Wiring Connections 2 Heat 2 Cool OFF Cut Intact Intact S1 T STAT CONTROL TERM STRIP OUTDOOR UNIT 2 Heat 2 Cool with t stat with humidity con...

Страница 23: ...Page 23 G60DFV X Schematic Wiring Diagram FIGURE 17...

Страница 24: ...Ramping Profile 11 and 12 Heating Mode Blower Speed INDOOR BLOWER DIP SWITCHES HEATING DIP SWITCHES DIAGNOSTIC LEDs ON BOARD LINKS 1 T stat Heat Stages single or two stage 2 Second Stage ON Delay sing...

Страница 25: ...comfort and is adjustable to satisfy individ ual applications Adjust the blower off delay to achieve a supply air temperature between 90 and 110 F at the exact moment that the blower is de energized L...

Страница 26: ...able connection between ter minals DS and R on the integrated control W914 must be cut when the furnace is installed with either the Harmony IIIt zone control or a thermostat which features humidity c...

Страница 27: ...ne Control Applications Minimum blower speed is 426 cfm 201 L s TABLE 19 G60DFV 36B 090 BLOWER MOTOR PERFORMANCE 0 0 to 0 8 w g 0 through 200 Pa External Static Pressure Range Factory Settings Heating...

Страница 28: ...Zone Control Applications Minimum blower speed is 520 cfm 245 L s TABLE 21 G60DFV 60C 110 BLOWER MOTOR PERFORMANCE 0 0 to 0 8 w g 0 through 200 Pa External Static Pressure Range Factory Settings Heat...

Страница 29: ...Feature and Single Speed Outdoor Unit OPERATING MODE SYSTEM DEMAND SYSTEM RESPONSE System Condition Thermostat Demand Relative Humidity EfficiencyPlus Lights Blower CFM COOL Comments Normal operation...

Страница 30: ...d High 65 60 of HIGH COOL Blower immediately changes speed in response to thermostat demand demand Y2 No demand Acceptable High HIGH COOL Call for 1st stage cooling after call for None Humidity level...

Страница 31: ...for heat the burn ers will automatically light The ignitor does not get hot when there is no call for heat on units with an automatic ignition system WARNING If you do not follow these instructions ex...

Страница 32: ...stallation instruction for the conversion procedure Other Unit Adjustments Primary and Secondary Limits The primary limit is located on the heating compartment vestibule panel The secondary limits if...

Страница 33: ...r warm up period begins The combustion air in ducer continues to operate at low speed 4 After the 20 second warm up period has ended the gas valve is energized on low fire first stage and igni tion oc...

Страница 34: ...es Flue And Chimney Check the flue pipe chimney and all connections for tight ness and to make sure there is no blockage Electrical 1 Check all wiring for loose connections 2 Check for the correct vol...

Страница 35: ...ttachment over the face of burners Visually in spect inside the burners and crossovers for any block age caused by foreign matter Remove any blockage 16 NOx units only Reattach the NOx inserts to the...

Страница 36: ...oducts must be analyzed and compared to the unit specifications Problems detected during the inspection may make it nec essary to temporarily shut down the furnace until the items can be repaired or r...

Страница 37: ...failed closed 2 7 Low pressure switch opened during ignition trial or heating demand LIMIT CODE 3 1 Limit switch open WATCHGUARD CODES 4 1 Watchguard Exceeded maximum number of retries 4 2 Watchguard...

Страница 38: ...COMBUSTION AIR INDUCER ON INDOOR BLOWER ON STATUS ERROR CODE 5 1 SEQUENCE HOLDS UNTIL ROLLOUT SWITCH IS RESET AND MAIN POWER IS INTERRUPTED OR T STAT IS CYCLED OFF ON FOR 3 SEC MINIMUM NO YES FIRST L...

Страница 39: ...CONNECTED STATUS ERROR CODE 4 7 YES AT END OF IGNITOR 20 SECOND WARM UP PERIOD 4 SECOND TRIAL FOR IGNITION GAS VALVE OPENS IGNITOR ENERGIZED DURING 4 SECOND TRIAL UNTIL FLAME SENSED YES 4 SECOND FLAME...

Страница 40: ...IRST STAGE HEAT DEMAND SATISFIED GAS VALVE OFF COMBUSTION AIR INDUCER OFF FOLLOWING POST PURGE INDOOR BLOWER OFF WITH DELAY STATUS LED PULSE YES SECOND STAGE HEAT DEMAND SECOND STAGE HEAT DEMAND REQUI...

Страница 41: ...ODE DIP SWITCH SET AT SINGLE YES YES FIRST AND SECOND STAGE HEAT DEMAND SATISFIED SIMULTANEOUSLY STATUS LED HEARTBEAT YES GAS VALVE OFF COMBUSTION AIR INDUCER OFF AFTER 5 SECOND LOW SPEED POST PURGE P...

Страница 42: ...ZED NO IS THERE PROPER GROUND YES NO INDOOR BLOWER ENERGIZED ON FIRST STAGE COOL SPEED AFTER 2 SECOND DELAY FIRST STAGE DEMAND FOR COOL SATISFIED NO THERMOSTAT CALLS FOR SECOND STAGE COOL COMPRESSOR A...

Страница 43: ...TO LOW HEAT SPEED FIRST STAGE HEAT DEMAND SATISFIED YES NO THERMOSTAT CALLS FOR SECOND STAGE HEAT YES INDOOR BLOWER SWITCHES TO HIGH HEAT SPEED AFTER 30 SECOND RECOGNITION PERIOD SECOND STAGE HEAT DE...

Страница 44: ...ht Heating Section Thermostat Heat Anticipator Setting Thermostat Level Fuel Type Natural Gas Blower Motor Amps Blower Motor H P Gas Piping Connections Tight Leak Tested Proper Draft State Blower OFF...

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