background image

All installations and services must be performed by qualified service personnel.

 

 

4

This page contains various warnings and cautions found throughout this manual. Please 
read and comply with the statements below. 

 

IF YOU DO NOT FOLLOW THE SAFETY PRECAUTIONS BELOW AND IN THIS MANUAL, A 

FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF 
LIFE. 

 

Property damage, personal injury, or loss of life could result from repair or service of 

this furnace by anyone other than a qualified heating contractor. Only the routine maintenance 
described in this manual may be performed by the user. 

 

To avoid injury from moving parts, shut off the power to the furnace before 

removing blower compartment door. 
 

Keep furnace free and clear of combustible materials, gasoline, and other flammable 

liquids and vapors. 

 

:

 Do not use this furnace if any part has been under water. Immediately call a qualified 

heating contractor to inspect the furnace and to replace any part of the control system and any gas 
control which has been under water. 

 

If you suspect there is a problem with the furnace, its venting system or any other 

related problem, immediately contact a qualified service agency. 

 

In the event your furnace fails to operate, do not attempt to put the furnace into  

operation. Contact a qualified heating contractor to service the furnace. 

 

A fire or explosion may result causing property damage, personal injury or loss of 

life if you do not follow these instructions exactly. 

 

Homeowners attempting maintenance other than that covered as homeowner/user 

maintenance may cause conditions which could result in personal injury or property damage. 
 

Shut off the power to the furnace before removing blower compartment door to avoid 

injury from moving parts. 

 

This furnace is not to be used for temporary heating of buildings or structures under 

construction. 
 

Call a qualified heating contractor to report suspected deficiencies (Do not attempt to 

make repairs yourself!) 

 
 
 
 
 
 

Summary of Contents for CDB1-100

Page 1: ...O 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 NEIGHBOR S PHONE FOLLOW THE GAS SUPPLIER S INSTRUCTIONS IF YOU CANNOT REACH YOUR GAS SUPPLIER CALL THE FIRE DEPARTMENT INSTALLATION AND SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR THE GAS SUPPLIER...

Page 2: ...TIONS 5 III FURNACE OPERATION 10 A WARNINGS BEFORE OPERATING 10 B OPERATING INSTRUCTIONS 10 C SHUTDOWN PROCEDURE 11 IV HOMEOWNER USER MAINTENANCE INSTRUCTIONS 11 ROUTINE MAINTENANCE A ANNUAL INSPECTION 11 B FILTER MAINTENANCE PROCEDURE 12 C VISUAL INSPECTION PROCEDURE 14 ...

Page 3: ...qualified service personnel 1 I SAFETY INFORMATION This and the following page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Condensing Gas Furnaces Please read and comply with the contents of these labels ...

Page 4: ...ed by qualified service personnel 2 This and the previous page contain reproductions of the various warning and instruction labels placed on the Thermo Pride Two Stage Condensing Gas Furnaces Please read and comply with the contents of these labels ...

Page 5: ...All installations and services must be performed by qualified service personnel 3 ...

Page 6: ...ately call a qualified heating contractor to inspect the furnace and to replace any part of the control system and any gas control which has been under water If you suspect there is a problem with the furnace its venting system or any other related problem immediately contact a qualified service agency In the event your furnace fails to operate do not attempt to put the furnace into operation Cont...

Page 7: ...loss of life could result from repair or service of this furnace by anyone other than a qualified heating contractor Only the routine maintenance described in this manual may be performed by the user 2 The following diagrams show typical furnace installations and the typical position of the components referenced in these instructions Figure 1 ...

Page 8: ...All installations and services must be performed by qualified service personnel 6 Figure 2 ...

Page 9: ...All installations and services must be performed by qualified service personnel 7 Figure 3 ...

Page 10: ...r openings on the furnace air openings communicating with the area in which the furnace is installed or the spacings around the furnace Figure 1A IMPORTANT Do not allow the outside vent terminal or air intake to be blocked or obstructed by vegetation ice snow or any other materials 6 This furnace is equipped with a safety feature which will not allow the furnace to be operated if either the inlet ...

Page 11: ...problem with the furnace its venting system or any other related problem immediately contact a qualified service agency 11 Your furnace should be described by the model number and serial number when contacting a qualified heating contractor This important information is located on the rating plate behind the front door 12 Should this unit be installed in an attic or other insulated area or if the ...

Page 12: ...n the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Leave the building immediately Immediately call your gas supplier from your neighbor s phone Follow the gas suppliers instructions If you cannot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob ...

Page 13: ...ill not operate C SHUTDOWN PROCEDURE TO TURN OFF GAS TO FURNACE 1 Set the thermostat to lowest setting 2 Turn off the electric power to the appliance if service is to be performed 3 Remove front door 4 Turn the knob on the combination valve to the full OFF position 5 Replace front door IV HOMEOWNER USER MAINTENANCE INSTRUCTIONS ROUTINE MAINTENANCE The following maintenance procedures should be per...

Page 14: ...on UPFLOW FURNACE CHX1 CHB1 MHA1 The filter rack or drop chute will be located between the return air plenum and the return air opening of the furnace See Figure 3 Slide dirty filter out of the filter rack Clean the filter by vacuuming rinsing with tap water hosing or dipping in an ordinary detergent solution Replace the completely dry filter in the rack The mesh side of the filter must be install...

Page 15: ...1 for minimum heating filter areas required for the different types of filters available should the filter used require replacement If the unit is equipped with cooling contact your installer or a qualified service person to determine the minimum filter area required for the different filter types and your cooling system ...

Page 16: ... contractor to report suspected deficiencies Do not attempt to make repairs yourself 1 Turn off power to furnace 2 Vent pipe air intake pipe and condensate system CDB1 CHB1 CDX1 CHX1 Visually check the vent and intake pipe as well as condensate lines both inside and outside the furnace to make sure that vent intake joints and the condensate system are sealed There should be no sign of water leakag...

Page 17: ...ing a blow dryer b The sidewall venting kit SWGII Power Venter manufacturer s instructions to be supplied by Field Controls Use information must be supplied by the installer then read and understood by the user 4 If a CDB1 CHB1 or CDX1 CHX1 furnace is equipped with a Thermo Products LLC condensate neutralizer kit See Figure 5 it should be inspected at the start of every heating season Remove the 2...

Page 18: ...s are in good adjustment See Figure 6 Burner flames should not impinge or fire against the side of the tube opening NOTICE It is not unusual to have orangish flames visible in the tube for LP gas Figure 6 Call a qualified heating contractor to report suspected deficiencies do not attempt to make repairs yourself ...

Reviews: