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Printed in U.S.A.

 

440 04 4900 02 

 12/5/2013

SERVICE AND TECHNICAL

SUPPORT MANUAL

Single Stage, PSC Blower Motor

35” Tall, High Efficiency Condensing Gas Furnace

F9MES (A Series) 220

V 50Hz

Save this manual for future reference.

Safety Labeling and Signal Words

DANGER, WARNING, CAUTION, and NOTE

The signal words 

DANGER, WARNING

,

CAUTION

,

 

and

 NOTE 

are used to identify levels of

hazard seriousness. The signal word

 DANGER 

is

only used on product labels to signify an immediate

hazard. The signal words 

WARNING

CAUTION

,

and 

NOTE

 will be used on product labels and

throughout this manual and other manual that may

apply to the product.

DANGER

 

 Immediate hazards which will result in

severe personal injury or death.

WARNING

 

 Hazards or unsafe practices which

could result in severe personal injury or death.

CAUTION 

 Hazards or unsafe practices which

may result in minor personal injury or product or

property damage.

NOTE 

 Used to highlight suggestions which will

result in enhanced installation, reliability, or

operation.

!

WARNING

Signal Words in Manuals

The signal word 

CAUTION

 is used throughout

this manual in the following manner:

!

CAUTION

Signal Words on Product Labeling

Signal words are used in combination with

colors and/or pictures or product labels.

The signal word 

WARNING

 is used throughout

this manual in the following manner:

Safety

alert symbol

When you see this symbol on the unit and in

instructions or manuals, be alert to the

potential for personal injury.

TABLE OF CONTENTS

START

UP CHECK SHEET

3

. . . . . . . . . . . . . . . . . . . . . . . . . .

START

UP, ADJUSTMENT, AND SAFETY CHECK

4

. . . . . .

PRIME CONDENSATE TRAP WITH WATER

4

. . . . . . . . . . . .

PURGE GAS LINES

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ADJUST TEMPERATURE RISE

10

. . . . . . . . . . . . . . . . . . . . . . .

ADJUST BLOWER OFF DELAY (HEAT MODE)

11

. . . . . . . . .

ADJUST COOLING AIRFLOW

11

. . . . . . . . . . . . . . . . . . . . . . . .

ADJUST THERMOSTAT HEAT ANTICIPATOR

11

. . . . . . . . . .

CHECK SAFETY CONTROLS

11

. . . . . . . . . . . . . . . . . . . . . . . .

CHECKLIST

12

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE AND MAINTENANCE PROCEDURES

13

. . . . . . . .

RETRIEVING STORED FAULT CODES

14

. . . . . . . . . . . . . . . .

COMPONENT SELF

TEST 14

. . . . . . . . . . . . . . . . . . . . . . . . . .

CARE AND MAINTENANCE

15

. . . . . . . . . . . . . . . . . . . . . . . . . .

CLEANING AND/OR REPLACING AIR FILTER

15

. . . . . . . . .

BLOWER MOTOR AND WHEEL MAINTENANCE

15

. . . . . . .

CLEANING BURNERS AND FLAME SENSOR

17

. . . . . . . . . .

SERVICING HOT SURFACE IGNITER

18

. . . . . . . . . . . . . . . . .

FLUSHING COLLECTOR BOX AND DRAINAGE SYSTEM

18

CLEANING CONDENSATE DRAIN AND TRAP

19

. . . . . . . . .

CLEANING HEAT EXCHANGERS

19

. . . . . . . . . . . . . . . . . . . . .

WINTERIZATION

20

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SERVICE LABEL

21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WIRING DIAGRAM

23

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING  

 FLOW CHART

25

. . . . . . . . . . . . . . .

SEQUENCE OF OPERATION

27

. . . . . . . . . . . . . . . . . . . . . . . .

PARTS REPLACEMENT INFORMATION GUIDE

28

. . . . . . . .

PRODUCT NOMENCLATURE

28

. . . . . . . . . . . . . . . . . . . . . . . .

MODELS

F9MES1002120A

F9MES1202420A

F9MES1402420A

Summary of Contents for F9MES Series

Page 1: ...this manual in the following manner CAUTION Signal Words on Product Labeling Signal words are used in combination with colors and or pictures or product labels The signal word WARNING is used through...

Page 2: ...d result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which w...

Page 3: ...d ON Type of Gas Natural Propane Filter Type and Size Check in box the Blower OFF Delay Jumper Heating Position for Fan Time OFF Setting 1 and 2 2 and 3 Position Time Off Position Time Off 90 108 120...

Page 4: ...ates HUM 220vac terminal is only energized when the draft inducer is energized in heating HUM 24vac terminal is only energized on a call for heat W and the LPS is closed Prime Condensate Trap with Wat...

Page 5: ...ific gravity of the gas To do this 1 Obtain average yearly gas heat value at installed altitude from local gas supplier 2 Obtain average yearly gas specific gravity from local gas supplier 3 Find inst...

Page 6: ...r natural gas If required manifold pressure is outside this range change main burner orifices h When correct input is obtained replace cap that conceal gas valve regulator adjustment screw Main burner...

Page 7: ...24 VAC CONNECTIONS P2 HOT SURFACE IGNITOR HSI INDUCER MOTOR IND CONNECTOR 220 VAC L1 LINE VOLTAGE CONNECTION SPARE1 COM BLUE 220 VAC L2 NEUTRAL CONNECTIONS 24 V THERMOSTAT TERMINALS HUMIDIFIER TERMINA...

Page 8: ...300 21 171 343 857 62 58 116 290 22 164 327 818 64 56 112 281 23 157 313 783 66 54 109 273 24 150 300 750 68 53 106 265 25 144 288 720 70 51 103 257 26 138 277 692 72 50 100 250 27 133 267 667 74 48 9...

Page 9: ...CE AND TECHNICAL SUPPORT MANUAL Gas Furnace F9MES Specifications subject to change without notice 440 04 4900 02 9 Table 3 Orifice Size and Manifold Pressure in w c for Gas Input Rate Single Stage L12...

Page 10: ...ometers in return and supply ducts as close to furnace as possible Be sure thermometers do not see heat exchangers so that radiant heat does not affect thermometer readings This is particularly import...

Page 11: ...sub base terminals or R and W wires at wall 3 Record amp draw across terminals when furnace is in low heat and after blower starts 4 Set heat anticipator on thermostat per thermostat instructions and...

Page 12: ...1955 1905 1850 1795 1740 1685 1630 1575 Yellow 4 0 1755 1710 1660 1610 1565 1515 1465 1415 1365 1310 Orange 5 3 5 1590 1540 1495 1450 1400 1355 1310 1260 1205 1145 Red 5 3 5 1450 1400 1355 1310 1265...

Page 13: ...t location accordingly Figure 6 Multipoise Orientations A93041 Electrical Controls and Wiring Pressure Switches Each pressure switch is labeled with the reference location noted as COLLECTOR BOX LPS o...

Page 14: ...interpret the LED 6 A component test sequence will follow 7 Reinstall the Main Control door Component Self Test NOTE The furnace control component test allows all components to run for a short time ex...

Page 15: ...connections for tightness and controls for proper operation each heating season Service as necessary 4 Inspect burner compartment before each heating season for rust corrosion soot or excessive dust I...

Page 16: ...t on blower wheel remove wheel from the blower housing and wash it with an appropriate degreaser To remove wheel a Mark blower wheel location on shaft before disassembly to ensure proper reassembly b...

Page 17: ...ld or damaging the mounting to the burner assembly ELECTRICAL SHOCK AND FIRE HAZARD Failure to follow this warning could result in personal injury death and or property damage Turn off the gas and ele...

Page 18: ...ontrol door when complete Servicing Hot Surface Igniter The igniter does NOT require annual inspection Check igniter resistance before removal Refer to Figure 9 Figure 10 and Figure 11 1 Turn off gas...

Page 19: ...to the condensate trap 7 Connect the leads of the condensate heat pad if used 8 Connect external drain piping to the condensate drain elbow or drain extension pipe 9 Turn gas on at electric switch on...

Page 20: ...C or lower freeze protection measures must be taken to prevent property or product damage CAUTION Since the furnace uses a condensing heat exchanger some water will accumulate in the unit as a result...

Page 21: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F9MES Specifications subject to change without notice 440 04 4900 02 21 Figure 14 Service Label 339462 2 Rev A...

Page 22: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F9MES Specifications subject to change without notice 22 440 04 4900 02 339542 2 Rev A...

Page 23: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F9MES Specifications subject to change without notice 440 04 4900 02 23 Figure 15 Wiring Diagram 339462 2 Rev A...

Page 24: ...SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace F9MES Specifications subject to change without notice 24 440 04 4900 02 339542 2 Rev A...

Page 25: ...equence Gas valve and humidifier will not be turned on Inducer motor will start and remain on until the end of the blower test then off The following components are on for 10 15 seconds each individua...

Page 26: ...onent test Does the igniter glow orange white by the end of the 18 second warm up period Unplug igniter harness from control and repeat component test Check for 220V between connector P2 HSI and NEUTR...

Page 27: ...the gas valve GV is energized Simultaneously the electronic air cleaner terminal EAC is energized and remains energized as long as the blower motor BLWM is energized f Heat Off Delay When the thermos...

Page 28: ...injury death or property damage Improper installation adjustment alteration service maintenance or use can cause carbon monoxide poisoning explosion fire electrical shock or other conditions which may...

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