VMA/VMC Installation Manual
Table Of Contents
- FOR YOUR SAFETY
- WHAT TO DO IF YOU SMELL GAS
- Table 2
- If the heat anticipator is set too high, the furnace may delay activation of a heating cycle for too long. If the heat anticipator is set too low, the furnace may cycle too frequently. Either condition may not provide optimal comfort to the homeowner.
- ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
- ALTERATIONS REQ’D FOR A/C @ DESIGN EXTERNAL STATIC PRESSURE
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 33
A. SEQUENCE OF OPERATION 33
B. INITIAL START-UP 35
C. ADJUSTMENT OF BTU INPUT RATE 36
D. BURNER ADJUSTMENT 37
E. SETTING TEMPERATURE RISE 38
F. FURNACE CHECK-OUT PROCEDURE 39
VI. INSTALLER'S INSTRUCTIONS TO USER 40
VII. DEALER MAINTENANCE 40
A. ELECTRICAL 41
B. GENERAL INSPECTION 41
C. HEAT EXCHANGER 42
D. HOUSE AIR BLOWER 42
E. RETURN AIR FILTER 42
VIII. TROUBLE SHOOTING 43
APPENDIX-A REPLACEMENT PARTS 50
APPENDIX-B WIRING DIAGRAM 52
WARRANTY 53
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