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All installations and services must be performed by qualified service personnel.
v
INDEX
SECTION BEGINNING PAGE
I. SAFETY INFORMATION i
II. FURNACE SPECIFICATIONS 1
III. GENERAL INSTALLATION 5
A. CODES AND CLEARANCES 5
B. FURNACE LOCATION 6
B1.CDB1 HORIZONTAL APPLICATION 7
C. REPLACING EXISTING FURNACE FROM A COMMON VENT 8
D. GENERAL REQUIREMENTS FOR VENTING CHB1/CDB1 9
E. SIDEWALL VENTING
11
E1. SINGLE PIPE (SIDEWALL) VENTING OPTION 14
F. INSTALLATION OF OUTSIDE VENT/AIR INTAKE TERMS. 14
G. CONNECTING FURNACE TO ROOF VENT/AIR TERMS. 16
H. CONNECTING FURNACE TO VENT/AIR INTAKE TERMS. 17
I. CONDENSATE DRAIN LINE & TRAP ASSY. 22
J. GENERAL GAS PIPING 25
J1. REQUIREMENTS & SIZING OF DUCTWORK 26
K. FILTERS 29
L. WIRING 31
IV. STARTING THE UNIT 34
A. SEQUENCE OF OPERATIONS 34
B. INITIAL START-UP 36
C. ADJUSTMENT OF BTU INPUT RATE 36
D. BURNER ADJUSTMENT 37
E. FURNACE CHECKOUT PROCEDURE 38
VI. INSTALLER’S INSTRUCTIONS TO USER 39
VII. TROUBLESHOOTING 40
APPENDIX – A REPLACEMENT PARTS LIST 46
APPENDIX – B WIRING DIAGRAMS 50