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11

LOCATION OF MODULATING FURNACE COMPONENTS

ITEM

COMPONENT NAME

1.

Blower Assembly

2.

Blower Door Switch

3.

Burner Assembly

4.

Finish Flange

5.

Flame Roll-Out Switch

6.

Flame Sensor

7.

Furnace Control Board

8.

Gas Manifold

9.

Gas Valve

10.

Igniter

11.

Inducer Assembly

12.

Inducer Limit Switch

13.

Motor Choke

 

(C and D cabinets only)

14.

Motor Control Board

15.

Motor Control Box

16.

Pressure Switches

17.

Transformer

*MQ 97%+ Upfl ow/Horizontal Gas Furnace

4

6

5

8

3

16

11

12

2

15

13

10

9

7

17

1

14

Summary of Contents for *MQ 97%+ Upfl ow/Horizontal

Page 1: ...YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from a neigh...

Page 2: ...2...

Page 3: ...ce and Air Ducts 8 TROUBLESHOOTING 8 LOCATION OF SINGLE STAGE FURNACE COMPONENTS 9 LOCATION OF TWO STAGE FURNACE COMPONENTS 10 LOCATION OF MODULATING FURNACE COMPONENTS 11 Congratulations on the purch...

Page 4: ...the air return on the furnace or in an air return register in your habitable space If the filter becomes dirty it should be cleaned or replaced SAFETY INFORMATION Safety markings are used frequently...

Page 5: ...in serious personal injury or death SHUTTING DOWN THE FURNACE Shouldyoueverneedtoshutdownyourfurnaceforservice or maintenance shut off the gas valve to the furnace before shutting off the electrical...

Page 6: ...an iQ thermostat available through your dealer CAUTION Do not reduce the supply of fresh air to the furnace It is extremely important that the furnacereceivesanunobstructedflowofclean fresh air to pr...

Page 7: ...s cleaned It is recommended that the furnace air filter be checked at least once a month Clean or replace filter to maintain proper airflow and achieve maximum efficiency Furniture and drapery should...

Page 8: ...se The return air duct connection s is secured and sealed to the furnace cabinet and terminates outside the area containing the furnace Any signs of damage or loose connections should be repaired by a...

Page 9: ...PONENT ITEM COMPONENT ITEM COMPONENT 1 Blower Assembly 5 Flame Rollout Switch 9 Gas Valve 13 Pressure Switch 2 Blower Door Switch 6 Flame Sensor 10 Igniter 14 Transformer 3 Burner Assembly 7 Furnace C...

Page 10: ...Motor Choke 2 Blower Door Switch 6 Flame Sensor 10 Igniter 14 Motor Control Board 3 Burner Assembly 7 Furnace Control Board 11 Inducer Assembly 15 Pressure Switch 4 Combustion Tube 8 Gas Manifold 12 L...

Page 11: ...Flame Roll Out Switch 6 Flame Sensor 7 Furnace Control Board 8 Gas Manifold 9 Gas Valve 10 Igniter 11 Inducer Assembly 12 Inducer Limit Switch 13 Motor Choke C and D cabinets only 14 Motor Control Bo...

Page 12: ...7089670 Specifications and illustrations subject to change without notice or incurring obligations Printed in U S A 10 08 O Fallon MO 708967 708967...

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