18-CD29D1-11
3
Installer’s Guide
INSTALLATION INSTRUCTIONS
General Installation Instructions
3
Location and Clearances
4
Outline Drawings
5
Upflow Installation
7
Downflow Installation
7
Horizontal Installation
7
Air For Combustion and Ventilation
8
Duct Connections
10
Return Air Filters
11
General Venting Instructions
15
Venting Material
17
Venting Tables
18
Horizontal Venting
21
Venting Through The Wall
21
Venting Through The Roof
22
Downward Venting
24
Venting Through a Masonry Chimney
24
Condensate Drain Instructions
27
Electrical Connections
30
Field Wiring Diagrams
29
Gas Piping
32
Combustion Input Checks
33
Start Up and Adjustment
36
Preliminary Inspections
36
Lighting Instructions
36
Sequence Of Operation
37
Control And Safety Switch Adjustments
37
Airflow Adjustment
37
Abnormal Conditions
38
IFC Error Flash Code
40
GENERAL INSTALLATION INSTRUCTIONS
The manufacturer assumes no responsibility for equip-
ment installed in violation of any code or regulation.
It is recommended that Manual J of the Air Condition-
ing Contractors Association (ACCA) or A.R.I. 230 be
followed in estimating heating requirements. When
estimating heating requirements for installation at
altitudes above 2000 ft., remember the gas input may
need to be reduced (See High Altitude Installation).
Material in this shipment has been inspected at
the factory and released to the transportation
agency without known damage. Inspect exterior
of carton for evidence of rough handling in ship-
ment. Unpack carefully after moving equipment
to approximate location. If damage to contents is
found, report the damage immediately to the de-
livering agency.
Codes and local utility requirements governing the
installation of gas fired equipment, wiring, plumb-
ing, and flue connections must be adhered to. In the
absence of local codes, the installation must conform
with latest edition of the National Fuel Gas Code ANSI
Z223.1 • National Installation Code, CAN/CGA B149.1.
The latest code may be obtained from the American
Gas Association Laboratories, 400 N. Capitol St. NW,
Washington D.C. 20001.
1-800-699-9277 or www.aga.org
These furnaces have been classified as CATEGORY
IV furnaces in accordance with latest edition of ANSI
Z21.47 • CAN/ CGA 2.3 standards.
Category IV furnaces operate with positive vent stat-
ic pressure and with a flue loss less than 17 percent.
These conditions require special venting systems,
which must be gas tight and water tight. These Cate-
gory IV Direct Vent furnaces are approved for installa-
tion in Manufactured/ Mobile housing when used with
BAYMFGH100A.
Contents
▲
WARNING
!
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could
result in serious injury, death or property damage.
Improper servicing could result in dangerous opera-
tion, serious injury, death, or property damage.
▲
CAUTION
!
To prevent shortening its service life, the furnace should
not be used as a “Construction Heater” during the finish-
ing phases of construction until the requirements listed in
item 9, a-g of the safety section of this publication have
been met. Condensate in the presence of chlorides and
fluorides from paint, varnish, stains, adhesives, clean-
ing compounds, and cement create a corrosive condition
which may cause rapid deterioration of the heat exchang-
er.
f. The furnace return air temperature range is
between 55 and 80 degrees Fahrenheit.
g. Clean the furnace, duct work, and components
upon substantial completion of the construc-
tion process, and verify furnace operating con-
ditions including ignition, input rate, tempera-
ture rise and venting, according to the manu-
facturer's instructions.
10. This product must be gas piped by a Licensed
Plumber or Gas Fitter in the Commonwealth
of Massachusetts.
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