User's Manual
Table Of Contents
- NATIONAL FUEL GAS CODE NATIONAL FIRE PROTECTION ASSOCIATION
- II. FURNACE SPECIFICATIONS - CMA SERIES
- III. GENERAL INSTRUCTIONS AND CLEARANCES – READ BEFORE START OF INSTALLATION
- Table 2
- H. Direct Venting Through a Sidewall
- I. Installation Of Outside Exhaust / Intake Terminations
- J. CONNECTING THE FURNACE TO ROOF VENT / AIR TERMINATIONS
- Mg-508 printing specifications.pdf

TABLE OF CONTENTS
SECTION BEGINNING PAGE
I. SAFETY INFORMATION 1
II. FURNACE SPECIFICATIONS 6
III. GENERAL INSTRUCTIONS AND CLEARANCES 7
IV. GENERAL INSTALLATION 9
A. FURNACE LOCATION 9
B. BASE INSTALLATION 12
C. ALCOVE INSTALLATION 13
D. CLOSET INSTALLATION 14
E. FUEL PIPING 15
F. GENERAL VENTING REQUIREMENTS 16
G. CONNECTING THE EXHAUST VENT, AND COMBUSTION 18
AIR INTAKE
H. DIRECT VENTING THROUGH A SIDEWALL 19
I. INSTALLATION OF OUTSIDE EXHAUST/INTAKE TERMINATIONS 23
J. CONNECTING THE FURNACE TO ROOF VENT/ INTAKE TERMINATIONS 24
K. CONDENSATE DRAIN LINE AND TRAP ASSEMBLY 26
L. ELECTRICAL WIRING 27
V. STARTING THE UNIT 32
A. SEQUENCE OF OPERATION 32
B. INITIAL START-UP 34
C. ADJUSTMENT OF BTU INPUT RATE 35
D. BURNER ADJUSTMENT 36
E. SETTING TEMPERATURE RISE 37
F. FURNACE CHECK-OUT PROCEDURE 38
VI. INSTALLER'S INSTRUCTIONS TO USER 39
VII. DEALER MAINTENANCE 39
A. ELECTRICAL 40
B. GENERAL INSPECTION 40
C. HEAT EXCHANGER 41
D. HOUSE AIR BLOWER 41
E. RETURN AIR FILTER 41
VIII. TROUBLE SHOOTING 42
APPENDIX-A REPLACEMENT PARTS 49
APPENDIX-B WIRING DIAGRAM 51
WARRANTY 52
REFERENCED PUBLICATIONS: FOR COPIES CONTACT:
NATIONAL FUEL GAS CODE NATIONAL FIRE PROTECTION ASSOCIATION
NFPA 54/ANSI-Z233.1 1 BATTERYMARCH PARK
(LATEST EDITION) P.O. BOX 9101
QUINCY, MA 02269-9101