Installation guide

hy
IF
IT
The
|
“(W
|
HIGH
EFFICIENCY
SEALED
COMBUSTION
GAS
FURNACE
MODELS:
DGAA
and
DGAH
(Single
Stage
Downflow
Only)
56
-
90
MBH
INPUT
(16.41
-
26.38
KW)
INPUT
ISO
9001
Certified
Quality
Management
System
For
Installation
In:
1.
Manufactured
(Mobile)
Homes
2.
Recreational
Vehicles
&
Park
Models
3.
Modular
Homes
&
Buildings
LIST
OF
SECTIONS
SAFETY
2...
cece cece
cece
cece
ee
eee
eee
eee
eee
1
ELECTRICAL
POWER
......
22.2:
c
cece
eee
cece
eects
12
DUCTWORK
......
2.
cece
eee
cee
eee
ee
eee
eet
eee
4
ROOF
JACK
VENT/COMBUSTION
AIR
SYSTEM
.............
13
RETURN
AIR
REQUIREMENTS
........2.
22.2002
e
cece
ee
aeaee
8
SAFETY
CONTROLS
......
2. cc
cece
eect
c
eee
20
FILTERS
22...
ccc
cee
cece
eee
eee
eee
teeta
9
START-UP
AND
ADJUSTMENTS
.........22
2220:
:e
eee
eeeee
20
GAS
LINE
INSTALLATION
.......2.2202
cc
cece
eee
ee
eee
aes
9
WIRING
DIAGRAM
......2
02.2.
c
eee
eee
eee
eee
26
Furnace
Dimensions
.............0.
0000
cece
eee
eee
4
Wiring
for
Electronic
Heat-Cool
Thermostat
...................
13
Air
Distribution
Systems
.........00.00.0
00000
ce
eee
5
Wiring
for
Standard
Heat-Cool
Thermostat
...................
13
Closet
To
Door
Clearance
-
5”
or
Greater
......................
5
Wiring
for
Blend
Air
Accessory
..............
000.000
cee
13
Furnace
To
Closet
Door
Clearance-
1”
ToS”
2.0.0...
ee.
6
Standard
Roof
Jack
2.0...
eee
15
Furnace
To
Closet
Door
Clearance
-
Less
Than
1”
...............
6
Roof
Jack
With
Removable
Crowns
....................0000.
16
Duct
Connector
Dimensions
..............0.
000.0.
ee
eee
6
Roof
Jack
2.
eee
17
Recommended
Floor
Cut-out..
2.00.0...
02.
eee
7
Connecting
Roof
Jack
to
Furnace
.....................00.5.
17
Duct
Connector
Depth
..........00.
0.000
ee
7
Roof
Jack
Assembly
.........0.0
0000000
cece
eee
18
Duct
Connector
Screw
Attachment
.....................-0005-
7
Ceiling
Rings
....
0.0.0.0...
0.00
cc
eee
18
Duct
Connector
Tab
Attachment
................-.02000
200s
7
Home
Layout
......
20.0.0...
0c
tee
19
Anti-Backflow
Damper
..........0..0.0
0000
cece
eee
eee
8
Pressure
Switch
Tubing
Routing
....................000005-
20
Floor
Installation...
0...
8
Gas
Valve
20.
eee
23
Furnace
Air
Filters
2.0.0...
9
Reading
Gas
Pressure
.........
20.0000.
cece
eee
24
Gas
Piping
...........
0.00.
tees
10
Furnace
Control
Board
....
0.0...
20.0.0...
eee
24
Burner
Assembly
...........0.0
00000
cect
eee
10
Wiring
Diagram
-
DGAA
.. 0.
eee
26
Line
Wiring
Connections
............
0.000002
ccc
eee
12
Wiring
Diagram
-
DGAH
.........0.0.0
0.0.20
ce
eee
27
Wiring
for
Heat
Only
Thermostat
......................-00055
13
LIST
OF
TABLES
Unit
Clearances
to
Combustibles
...................
0000-0005.
4
Roof
Jack
Options
....
0...
..0
0.0.0
ee
18
External
Static
Pressure
Range
...............0.
000
e
eee
eeee
8
Inlet
Gas
Pressure
Range
.............
2.00000
cece
eee
23
Filter
Sizes
-
All
Models
20.0...
ee
9
Nominal
Manifold
Pressure...
0.0...
eee
23
High
Altitude
Duration
Chart
2...
0.0.0...
0...
000020
cee eee
12
Blower
Performance
CFM
-
Downflow
Without
Filters
...........
25
Ratings
&
Physical
/
Electrical
Data..........................
13
AC
Accessories
2.0...
tees
25
SECTION
I:
SAFETY
This
is
a
safety
alert
symbol.
When
you
see
this
symbol
on
labels
or
in
manuals,
be
alert
to
the
potential
for
personal
injury.
Understand
and
pay
particular
attention
to
the
signal
words
DANGER,
WARNING,
or
CAUTION.
DANGER
indicates
an
imminently
hazardous
situation,
which,
if
not
avoided,
will
result
in
death
or
serious
injury.
WARNING
indicates
a
potentially
hazardous
situation,
which,
if
not
avoided,
could
result
in
death
or
serious
injury.
CAUTION
indicates
a
potentially
hazardous
situation,
which,
if
not
avoided
may
result
in
minor
or
moderate
injury.
|t
is
also
used
to
alert
against
unsafe
practices
and
hazards
involving
only
property
dam-
age.
Johnson
Controls
Unitary
Products
_AWARNING
Improper
installation
may
create
a
condition
where
the
operation
of
the
product
could
cause
personal
injury
or
property
damage.
Improper
installation,
adjustment,
alteration,
service
or
mainte-
nance
can
cause
injury
or
property
damage.
Refer
to
this
manual
for
assistance
or
for
additional
information,
consult
a
qualified
con-
tractor,
installer
or
service
agency.
A
CAUTION
This
product
must
be
installed
in
strict
compliance
with
the
installa-
tion
instructions
and
any
applicable
local,
state,
and
national
codes
including,
but not
limited
to
building,
electrical,
and
mechanical
codes.
129098-UIM-H-1011

Summary of content (28 pages)