ICP F9MES Series Service And Technical Support Manual
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ICP F9MES Series Service And Technical Support Manual

ICP F9MES Series Service And Technical Support Manual

Single stage, psc blower motor 35” tall, high efficiency condensing gas furnace
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35" Tall, High Efficiency Condensing Gas Furnace
DANGER, WARNING, CAUTION, and NOTE
The
signal
words
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.

TABLE OF CONTENTS

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Printed in U.S.A.
SERVICE AND TECHNICAL
SUPPORT MANUAL
Single Stage, PSC Blower Motor
F9MES (A Series) 220−V 50Hz
Save this manual for future reference.
Safety Labeling and Signal Words
DANGER,
WARNING,
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Signal Words in Manuals
The signal word WARNING is used throughout
this manual in the following manner:
WARNING
!
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.
Safety−alert symbol
When you see this symbol on the unit and in
instructions or manuals, be alert to the
potential for personal injury.
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F9MES1002120A
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F9MES1202420A
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MODELS
440 04 4900 02
12/5/2013
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  • Page 1: Table Of Contents

    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 Signal Words in Manuals signal words DANGER,...
  • Page 2 SAFETY CONSIDERATIONS WARNING Improper ins t allation, adjus t ment, alteration, serv ic e, maintenance, or use can cause explosion, fire, electrical shock, PERSONAL INJURY, AND/OR PROPERTY or other conditions which may cause death, personal injury, or DAMAGE HAZARD property damage. Consult a qualified installer, service agency, Failure to carefully read and follow this warning could or your distributor or branch for information or assistance.

  • Page 3: Start−Up Check Sheet

    SERVICE AND TECHNICAL MANUAL Gas Furnace: F9MES START−UP CHECK SHEET For PSC 220−V 50Hz Models F9MES (This sheet is optional. Keep for future reference.) Date of Start−Up: Calculated Input (BTU) Rate: (See Checks and Adjustments Section). Dealer Name: Heating Check Address: Measured Line Pressure During Heat: City, State(Province), Zip or Postal Code:...

  • Page 4: Start−Up, Adjustment, And Safety Check

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES START−UP, ADJUSTMENT, AND SAFETY 2. Connect field-supplied 5/8-in. (16 mm) ID tube with attached funnel (see Figure 1) to upper collector box CHECK drain connection. NOTICE 3. Pour one quart (liter) of water into funnel/tube. Water should run through collector box, overfill condensate trap, and flow into open field drain.
  • Page 5 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 1. Obtain average yearly gas heat value (at installed CAUTION altitude) from local gas supplier. 2. Obtain average yearly gas specific gravity from local gas FURNACE DAMAGE HAZARD supplier. Failure to follow this caution may result in reduced furnace 3.
  • Page 6 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 3. Connect a manometer to the inlet pressure tap on gas Redundant Automatic Gas Valve Figure 3 valve. (Single Stage) 4. Turn on furnace power supply. ON/OFF Switch 5. Turn gas supply manual shutoff valve to ON position. 6.
  • Page 7 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Figure 4 Example of Single Stage Furnace Control for PSC Blower Motor HEAT COMPONENT TEST J2 JUMPER OFF−DELAY TERMINAL 24−V THERMOSTAT TERMINALS HUMIDIFIER TERMINAL (24−VAC 0.5 AMP MAX) 24VAC TRANSFORMER 24−VAC CONNECTIONS 3−AMP FUSE COM/BLUE 24VAC/RED...
  • Page 8 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Table 2 Gas Rate (CU ft./hr) SIZE OF TEST DIAL SIZE OF TEST DIAL SECONDS SECONDS FOR 1 REVOLUTION FOR 1 REVOLUTION 1 Cu Ft. 2 Cu Ft. 5 Cu Ft. 1 Cu Ft. 2 Cu Ft.
  • Page 9 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Table 3 Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate − Single Stage L12F047A 440 04 4900 02 Specifications subject to change without notice.

  • Page 10: Adjust Temperature Rise

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Table 3 (CONT.) Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate − Single Stage L12F047B Adjust Temperature Rise If the temperature rise is outside this range, check the following: NOTE: Blower door must be installed when taking temperature 1.

  • Page 11: Adjust Blower Off Delay (Heat Mode)

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Change the blower speed taps as required to maintain proper Figure 5 Amp. Draw Check with Ammeter temperature rise for Heating and Cooling as described above. To change blower motor speed selections for heating mode, THERMOSTAT SUBBASE remove blower motor lead from control HEAT terminal(s).

  • Page 12: Checklist

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Checklist 5. Verify that the Status LED has heartbeat (bright−dim). If not, check that the power supply is energized and that 1. Put away tools and instruments. Clean up debris. the blower door is secure. See Figure 14 to interpret 2.

  • Page 13: Service And Maintenance Procedures

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES SERVICE AND MAINTENANCE Figure 6 Multipoise Orientations PROCEDURES Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. A qualified service person should inspect the furnace once a year.

  • Page 14: Retrieving Stored Fault Codes

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Proper instrumentation is required to service electrical controls. blower door. The green furnace control LED is either ON The control in this furnace is equipped with a Status Code LED heartbeat, off or a code composed of 1 or 2 digits. The first digit (Light−Emitting Diode) to aid in installation, servicing, and is the number of short flashes, the second digit is the number of troubleshooting.

  • Page 15: Care And Maintenance

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 6. Verify furnace shut down by lowering thermostat setting 2. Check blower motor and wheel for cleanliness each below room temperature. heating and cooling season. Clean as necessary. 7. Verify that furnace restarts by raising thermostat setting 3.
  • Page 16 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 2. Remove blower door. Figure 8 Blower Assembly 3. All factory wires can be left connected, but field MOTOR SHAFT FLAT thermostat and accessory wiring may need to be disconnected depending on their length and routing. 4.

  • Page 17: Cleaning Burners And Flame Sensor

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 14. Reinstall 2 screws securing blower assembly to blower 1. Disconnect power at external disconnect, fuse or circuit deck. breaker. 15. Reconnect blower leads to furnace control. Refer to 2. Turn off gas at external shut-off or gas meter. furnace wiring diagram, and connect thermostat leads if 3.

  • Page 18: Servicing Hot Surface Igniter

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 5. Insert the orifices in the support rings of the burners. 15. Turn gas on at electric switch on gas valve and at external shut-off or meter NOTE: If manifold does not fit flush against the burner, do not 16.

  • Page 19: Cleaning Condensate Drain And Trap

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 6. Flush inside of collector box with water until discharge Checking Heat Pad Operation (If Applicable) water from condensate trap is clean and runs freely. In applications where the ambient temperature around the 7.

  • Page 20: Winterization

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES NOTE: After cleaning, inspect the heat exchangers to ensure Since the furnace uses a condensing heat exchanger, some water will accumulate in the unit as a result of the heat transfer they are free of all foreign objects that may restrict flow of process.

  • Page 21: Service Label

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Figure 14 Service Label 339462−2 Rev A 440 04 4900 02 Specifications subject to change without notice.
  • Page 22 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 339542−2 Rev A 440 04 4900 02 Specifications subject to change without notice.

  • Page 23: Wiring Diagram

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Figure 15 Wiring Diagram 339462−2 Rev A 440 04 4900 02 Specifications subject to change without notice.
  • Page 24 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES 339542−2 Rev A 440 04 4900 02 Specifications subject to change without notice.

  • Page 25: Troubleshooting − Flow Chart

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Figure 16 Troubleshooting − Flow Chart 440 04 4900 02 Specifications subject to change without notice.
  • Page 26 SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES Figure 16 (CONT.) Troubleshooting − Flow Chart L12F048 440 04 4900 02 Specifications subject to change without notice.

  • Page 27: Sequence Of Operation

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES SEQUENCE OF OPERATION and air cleaner terminal EAC will remain energized for 108, 144, 180, or 216 seconds (depending on the NOTE: Furnace control must be grounded for proper operation heat−OFF delay selection). Note board selections are or control will lock out.

  • Page 28: Parts Replacement Information Guide

    SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: F9MES PARTS REPLACEMENT INFORMATION GUIDE Casing Group Gas Control Group Control door Manifold Blower door Burner Top filler plate Orifice Bottom filler plate Flame sensor Door knob Assembly Hot surface igniter Electrical Group Gas valve Heat Exchanger Group Control box...

This manual is also suitable for:

F9mes1002120aF9mes1202420aF9mes1402420aA seriesF9mes

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