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SERVICING

31 

9.  Close thermostat “R”, “W1” and “W2” contacts to pro

-

vide a call for high stage heat.

10. Remove regulator cover screw from the high (HI) 

outlet pressure regulator adjust tower and turn screw 

clockwise to increase pressure or counterclockwise 

to decrease pressure.  Replace regulator cover 

screw.

11.  Turn off all electrical power and gas supply to the 

system.

12. Remove the manometer hose from the hose barb 

fitting or outlet pressure tap.

13. Replace outlet pressure tap:
 

White-Rodgers 36J54 valve: Turn outlet pressure 

test screw in to seal pressure port (clockwise, 7 in-lb 

minimum).

14. Turn on electrical power and gas supply to the sys

-

tem.

15. Close thermostat contacts “R” and “W1/W2” to ener

-

gize the valve.

Range

Nominal

Natural

Low  Stage  1.6 - 2.2"  w .c.

1.9" w .c.

High Stage 3.2 - 3.8"  w .c.

3.5" w .c.

Propane

Low  Stage  5.7 - 6.3"  w .c.

6.0" w .c.

High Stage 9.7 - 10.3" w .c. 10.0" w .c.

Manifold Gas Pressure

Gas

Using a leak detection solution or soap suds, check for leaks 

at outlet pressure tap  plug  (Honeywell  valve)  or  screw 

(White-Rodgers valve).  Bubbles forming indicate a leak.  

SHUT OFF GAS AND REPAIR ALL LEAKS IMMEDIATELY!

NOTE: 

For gas to gas conversion, consult your dealer for 

appropriate conversion. 

T

O PREVENT UNRELIABLE OPERATION OR EQUIPMENT DAMAGE, THE

INLET GAS SUPPLY PRESSURE MUST BE AS SPECIFIED ON THE UNIT
RATING PLATE WITH ALL OTHER HOUSEHOLD GAS FIRED APPLIANCES
OPERATING.

CAUTION

Gas Valve On/Off

Selector Switch

Regulator

Vent

High Fire

Regulator

Adjust

Low Fire

Regulator

Adjust

Honeywell Model VR9205 (Two-Stage)

Measuring Gas Pressure: Two-Stage Valves  Cont'd

i

M

anometer

M

anometer

H

ose

Common

Terminal(C)

High Fire Coil

Terminal (HI)

Low Fire Coil 

Terminal (LO)

Inlet Pressure Tap

1/8 NPT

O

p

en to

A

tmos

p

here

Outlet Pressure Tap

1/8 NPT

Honeywell Model VR9205 Connected to Manometer

1.    Remove  regulator  cover  screw  from  the  low  (LO) 

outlet pressure regulator adjust tower and turn screw 

clockwise to increase pressure or counterclockwise to 

decrease pressure.  Replace regulator cover screw.
a. Close thermostat “R” and “W” contacts to provide a 

call for heat.

b. Remove  regulator  cover  screw  from  the  high  (HI) 

outlet pressure regulator adjust tower and turn screw 

clockwise to increase pressure or counterclockwise 

to  decrease  pressure.    Replace  regulator  cover 

screw.

c. Turn off all electrical power and gas supply to the 

system.

d. Remove the manometer hose from the outlet pres

-

sure boss.

e. Remove the 1/8" NPT hose barb fitting from the outlet 

pressure tap.  Replace the outlet pressure boss plug 

and seal with a high quality thread sealer.

WARNING

HIGH

 

VOLTAGE

D

ISCONNECT 

ALL

 ELECTRICAL POWER AND SHUT OFF GAS SUPPLY

BEFORE SERVICING OR INSTALLING.

2.  Turn on gas to furnace and check for leaks. If leaks are 

found,  repair  and  then  reinstall  burner  compartment 

door.

3.  Turn on electrical power and verify proper unit operation. 

Make  sure  furnace  operates  at  the  proper  manifold 

pressure at both high and low stage outputs.

Содержание Amana ACEC80

Страница 1: ...een trained to install adjust ser vice or repair hereinafter service the equipment specified in this manual should service the equipment The manufac turer will not be responsible for any injury or pro...

Страница 2: ...t wires correctly Verify proper operation after servicing WARNING FIRE EXPLOSION OR CARBON MONOXIDE POISONING HAZARD Failure to replace with proper control could result in fire explosion or carbon mon...

Страница 3: ...ctly which has been under water C Use only your hand to move the gas control switch or knob Never use tools If the gas control switch or knob D Do not use this appliance if any part has been under wat...

Страница 4: ...a se produit demandez immediatement a un reparateur qualifie d inspecter l appareil et de remplacer toute piece du systeme de controle et toute commande de gaz ayant ete dans l eau 0140F00002P INSTRUC...

Страница 5: ...S call 1 713 861 2500 Not a technical assistance line for dealers Your telephone company will bill you for the call B10259 216 CO can cause serious illness including permanent brain damage or death Ad...

Страница 6: ...Upflow Horizontal Major Revision C Downflow Horizontal A Initial Release K Dedicated Upflow B 1st Revision D Dedicated Downflow Nox Motor N Natural Gas V Variable Speed X Low NOx E High Efficiency S...

Страница 7: ...red airflow Solid one piece wrapped cabinet made from 20 gauge steel for support and durability Available in A B C D cabinet widths AMHP 250 UPD Whole House HEPA Air Cleaner This Clean Comfort product...

Страница 8: ...midity levels This control features a moisture sensitive nylon element and also provides positive ON OFF settings for manual operation The control is a normally closed switch that opens on humidity ri...

Страница 9: ...he furnace must be electrically ground ed in accordance with local codes or in their absence with the latest edition of The National Electric Code ANSI NFPA 70 and or The Canadian Electric Code CSA C2...

Страница 10: ...stat with only one heating stage may be used to control this furnace The application of a single stage thermostat offers a timed transition from low to high fire The furnace will run on low stage for...

Страница 11: ...ditioning Contractors of America manual D A duct system should be installed in accordance with Standards of the National Board of Fire Underwriters for the Installation of Air Conditioning Warm Air He...

Страница 12: ...Air Heating and Ventilating Systems Pamphlets No 90A and 90B A return air filter is not supplied with the furnace The installer must supply a means of filtering all of the return air Filter s shall co...

Страница 13: ...ON 90 OFF OFF 120 OFF ON 150 ON OFF 180 ON ON FACTORY SETTING Dip Switch Switch Group Function S3 S3 Heating Fan Off Delay Purpose Thermostat Setup S1 1 2 3 4 Cooling CFM Switches Heating Fan Off Dela...

Страница 14: ...ng detected the control will turn off the gas valve and igniter The control then enters the post purge routine The post purge time will be increased to 60 seconds After completing the post purge the c...

Страница 15: ...ronic air cleaner will also be energized After the thermostat is satisfied the compressor is de energized Following the 60 second Cool Mode Fan Off Delay period the cool circulator and air cleaner rel...

Страница 16: ...E W1 Y P2 8 CALL FOR REVERSING VALVE P3 5 C C BLOWER FAN DEMAND OUTPUT P3 3 P1 8 Y STAT Y FURN C P3 2 P1 1 P3 8 REVERSING VALVE OUTPUT BREAK FOR ODT FURNACE DEMAND OUTPUT P1 3 R 24VAC K4 HP CALL FOR...

Страница 17: ...rectification the common side of the secondary voltage 24 V is cabinet grounded If you were to bench test a transformer the primary neutral and secondary common must be connected together for testing...

Страница 18: ...79 947 45 20 40 80 160 400 20 45 90 180 360 900 46 78 157 391 21 43 86 171 343 857 47 19 38 76 153 383 22 41 82 164 327 818 48 75 150 375 23 39 78 157 313 783 49 147 367 24 37 75 150 300 750 50 18 36...

Страница 19: ...takes forty 40 seconds for the hand on the cubic foot dial to make one complete revolution with all appliances off except the furnace Take this information and locate it on the gas rate chart Observe...

Страница 20: ...proceeding with work Furnace does not operate three Amber flashes on control board None Three repeating flashes None W2 call present without W1 Faulty thermostat or thermostat wiring or improperly co...

Страница 21: ...Furnace does not operate nine Red flashes on control board None None Nine repeating flashes Improper grounding or reverse polarity 115 volt hot neutral supply to furnace reversed hot wire door switch...

Страница 22: ...ill indicate this period by RAPID GREEN FLASH for 5 seconds to 10 seconds The LED will flash three green flashes when the memory has been cleared The ignition control is equipped with a momentary push...

Страница 23: ...of the same gauge or its equivalent CHECKING THERMOSTAT DISCONNECT ALL POWER BEFORE SERVICING WARNING 1 Remove the blower compartment door to gain access to the thermostat low voltage wires located a...

Страница 24: ...ERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH CHECKING AIR CIRCULATOR BLOWER MOTOR MULTI SPEED ECM MOTOR DI...

Страница 25: ...URE RISE The more air CFM being delivered through a given fur nace the less the rise will be so the less air CFM being delivered the greater the rise The temperature rise should be adjusted in accorda...

Страница 26: ...nace If the limit circuit opens and does not close within five min utes the control assumes the blower has failed the RED LED will flash ELEVEN times If the limit circuit opens and does not close with...

Страница 27: ...S UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Remove blower compartment door to gain access to the auxiliary 2 Remove the wires fro...

Страница 28: ...ECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 1 Remove burner compartment door to gai...

Страница 29: ...nace is being converted for use with LP gas Orifices should be treated with care in order to prevent dam age They should be removed and installed with a box end wrench in order to prevent distortion I...

Страница 30: ...nace at the manual shutoff valve and disconnect manometer Reinstall plug before turning on gas to furnace 6 Turn OFF any unnecessary gas appliances stated in step 3 Gas Manifold Pressure Measurement a...

Страница 31: ...NCES OPERATING CAUTION Gas Valve On Off Selector Switch Regulator Vent High Fire Regulator Adjust Low Fire Regulator Adjust Honeywell Model VR9205 Two Stage Measuring Gas Pressure Two Stage Valves Con...

Страница 32: ...ccurring with inadequate venting caused by a restricted or blocked vent pipe 1 Remove burner compartment door to gain access to pressure switch es 2 Remove wires from the pressure switch es electrical...

Страница 33: ...e should be less than 2 ohms The ignition control is a combination electronic and elec tromechanical device and is not field repairable Complete unit must be replaced LINE VOLTAGE NOW PRESENT WARNING...

Страница 34: ...will ensure that all furnace components are in proper working order and that the heating system functions appropriately Pay particular attention to the following items Repair or service as necessary...

Страница 35: ...ECTRICAL SHOCK INJURY OR DEATH DO NOT REMOVE ANY INTERNAL COMPARTMENT COVERS OR ATTEMPT ANY ADJUSTMENT CONTACT A QUALIFIED SERVICE AGENT AT ONCE IF AN ABNORMAL FLAME APPEARANCE SHOULD DEVELOP Periodic...

Страница 36: ...ERS GAS VALVE TWO STAGE OVERCURRENT CONNECTOR 2 CIRCUIT LOW VOLTAGE 24V GND WH CHASSIS GROUND 2 3 IGNITER SURFACE HOT 2 YL PU 2 C BLOWER DRAFT INDUCED BK PM BK BLOWER COMPARTMENT 115 VAC 1 OVERCURRENT...

Страница 37: ...ity products may mean a change in specifications without notice GOODMAN BRAND AMANA BRAND PRODUCT REGISTRATION Thank you for your recent purchase Though not required to get the protection of the stand...

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