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Furnace
Thermo Products
CHB1-75, MHA1-125, MHA1-50, MHA1-100, MHA1-75, MDA1-125, MDA1-75, CHB1-50, CHX1-125 manual
Models:
MDA1-100
CDB1-125
CHX1-75
CHB1-125
CDB1-50
CDB1-75
CDX1-125
CDB1-100
CDX1-100
CDX1-75
CHB1-100
MDA1-50
CHX1-100
CHX1-125
CHB1-50
MDA1-75
CHB1-75
MDA1-125
MHA1-75
MHA1-100
MHA1-50
MHA1-125
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18 pages
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Install
Figure FILTER REPLACEMENT
Maintenance
C. Shutdown Procedure To Turn Off Gas To Furnace
Make sure the burner flames are in good adjustment See . Burner flames should notimpinge or fire against the side of the tube opening
Safety
Page 5
Image 5
All installations and services must be performed by qualified service personnel.
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Page 4
Page 6
Page 5
Image 5
Page 4
Page 6
Contents
CDB1-50
CHB1-50
MHA1-50
MDA1-50
BEGINNING PAGE
INDEX
SECTION
I. SAFETY INFORMATION
All installations and services must be performed by qualified service personnel
Page
Page
II. GENERAL INSTRUCTIONS
Page
Page
Figure 1A
8.The furnace should be inspected annually by a qualified heating contractor
III. FURNACE OPERATION
FOR YOUR SAFETY, READ BEFORE OPERATING
A. WARNINGS BEFORE OPERATING
B.OPERATING INSTRUCTIONS TO START THE FURNACE
A. ANNUAL INSPECTION
C. SHUTDOWN PROCEDURE TO TURN OFF GAS TO FURNACE
COUNTERFLOW FURNACE CDX1/CDB1/MDA1
B. FILTER MAINTENANCE PROCEDURE
UPFLOW FURNACE CHX1/CHB1/MHA1
Figure FILTER REPLACEMENT
FILTER TYPE
C. VISUAL INSPECTION PROCEDURE
MAXIMUM
RATE AIR
Page
9.Make sure the burner flames are in good adjustment See Figure 6. Burner flames should notimpinge or fire against the side of the tube opening
