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 | 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 | |
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