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All installations and services must be performed by qualified service personnel.
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.CDX3
HORIZONTAL
APPLICATION
7
C. REPLACING EXISTING FURNACE FROM A COMMON VENT
9
D. GENERAL REQUIREMENTS FOR VENTING CHX3/CDX3
9
E. SIDEWALL VENTING
11
E1. SINGLE PIPE (SIDEWALL) VENTING OPTION
15
F. INSTALLATION OF OUTSIDE VENT/AIR INTAKE TERMS.
15
G. CONNECTING FURNACE TO ROOF VENT/AIR TERMS.
17
H. CONNECTING FURNACE TO VENT/AIR INTAKE TERMS.
18
I. CONDENSATE DRAIN LINE & TRAP ASSY.
23
J.
GENERAL
GAS
PIPING
26
J1. REQUIREMENTS AND SIZING OF DUCTWORK
27
K. FILTERS
30
L. WIRING
32
IV.
STARTING THE UNIT
36
A.
SEQUENCE
OF
OPERATIONS
36
B. INITIAL START-UP
39
C. MEASURING AND ADJUSTING HEAT INPUT RATE
70
D.
FURNACE
CHECKOUT
PROCEDURE
47
V.
INSTALLER’S
INSTRUCTIONS
TO
USER
47
VI.
TROUBLESHOOTING
48
APPENDIX
–
A
REPLACEMENT
PARTS
LIST
55
APPENDIX
–
B
WIRING
DIAGRAMS
59
WARRANTY
61
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