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All installations and services must be performed by qualified service personnel.
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INDEX
SECTION
BEGINNING PAGE
I. SAFETY INFORMATION i
II. FURNACE SPECIFICATIONS 1
III. GENERAL INSTALLATION 6
A. CODES AND CLEARANCES 6
B. FURNACE LOCATION 7
B1.CDX1 HORIZONTAL APPLICATION 7
C. REPLACING EXISTING FURNACE FROM A COMMON VENT 9
D. GENERAL REQUIREMENTS FOR VENTING CHX1/CDX1 9
E. SIDEWALL VENTING
10
E1. SINGLE PIPE (SIDEWALL) VENTING OPTION 12
F. INSTALLATION OF OUTSIDE VENT/AIR INTAKE TERMS. 13
G. CONNECTING FURNACE TO VENT/AIR INTAKE TERMS. 14
H. CONNECTING FURNACE TO ROOF VENT/AIR TERMS. 19
I. CONDENSATE DRAIN LINE & TRAP ASSY. 20
J. GENERAL GAS PIPING 22
K. FILTERS 23
L. WIRING 25
IV. STARTING THE UNIT 29
A. SEQUENCE OF OPERATIONS 29
B. INITIAL START-UP 32
C. FURNACE CHECKOUT PROCEDURE 40
V. INSTALLER’S INSTRUCTIONS TO USER 40
VI. TROUBLESHOOTING 41
APPENDIX – A REPLACEMENT PARTS LIST 48
APPENDIX – B WIRING DIAGRAMS 52