Ingersoll-Rand M952V060BD36AB Скачать руководство пользователя страница 34

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Service Facts

M952-SF-4

DEFINITION:

Flame is sensed when it
should not be sensed.

Disconnect

electrical power to

furnace

Is there a drip leg

installed on inlet gas

piping per installation

instructions?

Using a back-up wrench,

install new gas valve

Check operation

Inspect gas supply

for leaks and have

gas supplier check

gas quality

Are there signs of

moisture or debris in

the inlet gas screen?

YES

Install drip leg per

National Fuel Gas

Code and

Installation

Instructions

YES

Turn off gas

supply! Remove

gas valve

5 Flash Fault LED

Содержание M952V060BD36AB

Страница 1: ...CT 10 x 8 1 Variable See Fan Performance Table 1 2 Variable 115 1 60 7 7 Centrifugal Direct Variable 1 50 5000 33 110 3 60 180 1 0 Yes High Velocity 1 17x25 1 in 2 Round Aluminized Steel Type I 20 3 4...

Страница 2: ...pe I 20 6 45 6 56 Redundant Two Stage Hot Surface Igniter Multiport Inshot 6 115 1 60 17 2 20 1 2 H x W x D 41 3 4 x 26 1 2 x 30 1 2 206 196 M952V060BD36AB 6 Downflow Horizontal 39 000 38 000 60 000 5...

Страница 3: ...ons of use WARNING SAFETY SECTION WARNING ELECTRIC SHOCK HAZARD THE CABINET MUST HAVE AN UNINTERRUPTED OR UNBROKEN GROUND ACCORDING TO NATIONAL ELEC TRICAL CODE ANSI NFPA 70 LATEST EDITION AND CANADIA...

Страница 4: ...sh eyes with water to remove dust If symptoms persist seek medical attention Skin Contact Wash affected areas gently with soap and warm water after handling SEQUENCE OF OPERATION COMFORT CONTROL CALL...

Страница 5: ...otor is reduced to low speed 1st stage satisfied W1 Comfort Control contacts open signaling that 1st Stage heating requirements are satisfied The Gas Valve will close and the induced draft blower will...

Страница 6: ...remely hot 4 IGNITER This unit has a hot surface direct ignition device that automatically lights the burners Please note that it is very fragile and should be handled with care 5 BURNER Gas burners d...

Страница 7: ...7 Service Facts M952 SF 4 M952 WIRING DIAGRAM From drawing D345191P01...

Страница 8: ...8 Service Facts M952 SF 4 M952 SCHEMATIC DIAGRAM2 From drawing D345191P01...

Страница 9: ...9 Service Facts M952 SF 4 M952 WIRING DIAGRAM From drawing D345192...

Страница 10: ...10 Service Facts M952 SF 4 M952 SCHEMATIC DIAGRAM From drawing D345192...

Страница 11: ...otor Will Not Run ECM 2 TM QUICK CHECK Blower Motor Will Not Run 1 Jumper 24 Volt A C R Terminal to G terminal on the Low Voltage T erminal board Does motor run NO Go to step 2 YES Motor runs check Co...

Страница 12: ...to motor low voltage plug pins 12 and 15 and pins 1 and 3 which are common Does motor run NO Go to step 4 YES Fault is in the 16 wire low voltage harness Repair or replace it 4 Is the line voltage to...

Страница 13: ...D on the board should be on 6 If the troubleshooter R L E D is not on check for 24 volts A C at the motor control board 7 If 24 volts A C is not present troubleshoot and repair as needed 8 If 24 volt...

Страница 14: ...s bad repair or replace Low Voltage Comfort Control Operation 14 Verify thermostat signals by jumping R to each of the low voltage terminal connections as follows BK O YLO G W1 W2 W3 See exceptions be...

Страница 15: ...30 HIGH 450 CFM TON OFF OFF ON OFF CFM WATTS 1325 360 1325 425 1300 460 1175 425 1000 365 1 At continuous fan setting Heating or Cooling airflows are approximately 50 of selected cooling value 2 LOW a...

Страница 16: ...LOW SETTING DIP SWITCH SETTING EXTERNAL STATIC PRESSURE SW 1 SW 2 SW 3 SW 4 0 1 0 3 0 5 0 7 0 9 2 0 LOW 350 CFM TON ON ON OFF ON CFM WATTS 750 84 750 122 750 154 720 185 710 221 NORMAL 400 CFM TON ON...

Страница 17: ...7 650 1449 595 HIGH 450 CFM TON OFF OFF ON OFF CFM WATTS 1847 630 1863 735 1816 780 1687 720 1532 665 1 At Continuous fan setting Heating or Cooling airflows are approximately 50 of selected cooling v...

Страница 18: ...eating or Cooling airflows are approximately 50 of selected cooling value 2 LOW airflow 350 cfm ton is COMFORT HUMID CLIMATE setting NORMAL airflow 400 cfm ton is typical setting HIGH airflow 450 cfm...

Страница 19: ...RFLOW SETTING DIP SWITCH SETTING EXTERNAL STATIC PRESSURE SW 1 SW 2 SW 3 SW 4 0 1 0 3 0 5 0 7 0 9 1 5 LOW 350 CFM TON OFF OFF OFF ON CFM WATTS 525 45 525 70 525 100 525 135 525 160 NORMAL 400 CFM TON...

Страница 20: ...1350 455 1350 480 1210 435 1070 390 900 345 1 At continuous fan setting Heating or Cooling airflows are approximately 50 of selected cooling value 2 LOW airflow 350 cfm ton is COMFORT HUMID CLIMATE se...

Страница 21: ...TONS AIRFLOW SETTING DIP SWITCH SETTING EXTERNAL STATIC PRESSURE SW 1 SW 2 SW 3 SW 4 0 1 0 3 0 5 0 7 0 9 2 5 LOW 350 CFM TON ON ON OFF ON CFM WATTS 870 100 885 140 887 185 881 230 876 270 NORMAL 400...

Страница 22: ...M952V120DD60AB FURNACE COOLING AIRFLOW CFM AND POWER WATTS VS EXTERNAL STATIC PRESSURE WITH FILTER OUTDOOR UNIT SIZE TONS AIRFLOW SETTING DIP SWITCH SETTING EXTERNAL STATIC PRESSURE SW 1 SW 2 SW 3 SW...

Страница 23: ...l 3 times within 6 seconds The control will acknowledge the reset by turning on the red LED for 2 seconds FAULT CODE RECOVERY On power up last 4 faults if any will be flashed on the red LED The newest...

Страница 24: ...en applying an airflow command signal to the BK input such as with the variable speed single zone and multi zone system controller On single speed cooling only non heat pump systems jumper Y to O for...

Страница 25: ...l Gas Valve Circuit Fault 37 8 Flash Troubleshooting Low Flame Sense Fault 38 9 Flash Troubleshooting Open Inducer Limit 39 VS No Air Flow Incorrect Air Flow The following pages include troubleshootin...

Страница 26: ...FMR N CNT05160 Line Voltage Connections 24 Volt Furnace Component Connections 5 Amp Control Fuse Low Voltage Terminal Strip 16 pin ECM Connector Indoor airflow configuration dip switches Fault LED Red...

Страница 27: ...R OR PRESSURE SWITCH ERROR 4 Flashes OPEN LIMIT OR ROLLOUT SWITCH 5 Flashes FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT 6 Flashes LINE REVERSE POLARITY 7 Flashes GAS VALVE CIRCUIT ERROR 8 Flashes WEA...

Страница 28: ...present from transformer and fuse good YES NO Repair low voltage wiring replace transformer or fuse as needed Repair high voltage connection to unit What is the fault light flash code See FAULT LED F...

Страница 29: ...eck operation NO Flame sensor is good NO Is minimum outlet gas manifold pressure maintained Does inlet gas pressure drop more than 2 WC NO Correct inlet gas pressure Check operation Replace Gas Valve...

Страница 30: ...30 Service Facts M952 SF 4 Correct positioning of ignitor sensor NOTE the slight over lap of the ignitor and the burner Igniter slightly overlapping OD of burner...

Страница 31: ...ion YES While the furnace is operating on 1st stage heat make a call for 2nd stage heat Allow 30 seconds for the furnace to transition to 2nd stage Is 24 volts present measured across PS2 yellow 7 to...

Страница 32: ...rrect gas pressure Check operation NO Is temperature at high limit above the switch setting YES Replace high limit switch NO YES Is temperature at reverse flow switch above specifications Replace reve...

Страница 33: ...Is flue piping restricted Correct as needed Check operation YES Are flames from burners impinging on sides of heat exchanger NO YES When fan comes on do flames stay consistent Replace heat exchanger...

Страница 34: ...ing per installation instructions Using a back up wrench install new gas valve Check operation Inspect gas supply for leaks and have gas supplier check gas quality Are there signs of moisture or debri...

Страница 35: ...952 SF 4 DEFINITION Polarity Fault Incoming high voltage wiring is reversed Disconnect incoming electrical power to furnace Reverse 120 vac power leads to furnace wiring Reconnect power Check operatio...

Страница 36: ...rcuit Error 24 volts is present when it should not be present Is 24 VAC nominal voltage present between Red lead at gas valve connection to chassis ground Turn Comfort Control to OFF position Correct...

Страница 37: ...37 Service Facts M952 SF 4...

Страница 38: ...en Replace Inducer Limit switch Check operation YES NO Definition This error is normally caused by improper installation or application of the furnace venting system Disconnect electrical power from t...

Страница 39: ...r run YES Replace Wire harness NO Is 24 VAC measured between R transformer hot and B C transformer common at the low voltage field connections NO Replace transformer NO Repair wiring between incoming...

Страница 40: ...licy of continuous product and product data improvement and reserves the right to change design and specifications without notice Ingersoll Rand 6200 Troup Highway Tyler TX 75707 For more information...

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