CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
FURNACE CONVERSION . . . . . . . . . . . . . . . . . . . . . . . 2
TESTS AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION
INSTRUCTIONS
CAUTION:
READ ALL SAFETY GUIDES BEFORE YOU
BEGIN INSTALLATION.
SAVE THIS MANUAL
NATURAL GAS
HIGH ALTITUDE CONVERSION
ACCESSORY
MODEL 1HA0409
FOR 240 THROUGH 400 MBH
GAS-FIRED CENTRAL HEATING FURNACES
WITH 15, 17.5, 20 AND 25 TON
(MECHANICAL) COOLING
This conversion kit requires installation by a quali-
fied service agency in accordance with the manu-
facturer instructions and all applicable codes and
requirements of the authority having jurisdiction. If
the information in these instructions is not followed
exactly, a fire, explosion, or production of carbon
monoxide may result causing property damage,
personal injury, or loss of life. The qualified agency
performing this work assumes responsibility for the
proper conversion of this appliance with this kit.
For U.S. units, installation must comply with the
National Fuel Gas Code, ANSI Z223.1 - latest edi-
tion, unless superseded by local codes. For Cana-
dian installations, the conversion must comply with
the requirements of the Provincial authorities hav-
ing jurisdiction and in accordance with the CSA
B149.1 installation codes.
WARNING
WARNING
10757-UAI-B-1204
ISO 9001
Certified Quality
Management System
