TABLE
OF
CONTENTS
1 .
RECEIVING &
PRE
-
INSTALLATION
INSTRUCTIONS
Access
Panel
Removal
...:................
3
Rigging
........
....
................3
Combustion
Air
Considerations
..............
3
Location
.....................
.......3
Mounting
/
Locations
.....................
3
II
.
GENERAL
REQUIREMENTS
.............
3
III
.
INSTALLATION
Installation
Clearances
....................
5
Mounting
on
Field
Furnished
Supports
........
5
Mounting
on
Roof
Curb
...................
6
Venting
...............:................6
Duct
Connections.......
...........
...
6
Gas
Piping
...........................6
Modulating
Gas
Control
..
..............
.
8
'Electrical
Connections
...
...............
9
DX
Coil
Equipped
Units
..................
10
Chilled
Water
Coil
Equipped
Units
..........
11
Evaporative
Cooling
Equipped
Units
.........
11
IV
.
OPERATION
General
Information
.....................
11
Gas
Control
System
.....
........
.
.....
11
Optional
Gas
Controls
...
'
..............
12
Air
Handling
Requirements
and
A
djustments
.
.
12
Lighting
........... ...........
13
Gas
Input
Adjustment....
..............
14
Pilot
Adjustment
........................
14
Primary
Air
Shutter
Adjustment
.............
14
Controls
..............................14
V
.
START
UP
...........
...............
15
VI
.
MAINTENANCE
......!
...............
16
VII
.
TROUBLESHOOTING
................
19
VII
I.
REP
L
ACEMENT
PARTS
..............
24
IX
.
SERVICE
NOTE
.....
.............
24
X
.
START
UP
SHEET
....................
25
The
following
terms
are
used
throughout
this
manual
to
bring
attention
to
the
presence
of
potential
hazards
or
to
important
information
concerning
the
product:
CAUTION:
Indicates
an
imminently
hazardous
situa-
tion
which,
if
not
avoided,
may
result
in
minor
injury
or
property
damage.
NOTE:
Used
to
notify
of
special
instructions
on
instal-
lation,
operation
or
maintenance
which
are
important
to
equipment
but
not
related
to
personal
injury
haz-
ards.
1 .
RECEIVING
INSTRUCTIONS
Inspect
shipment
immediately
when
received
to deter-
mine
if
any
damage
has
occurred
to
the
crate
during
ship-
ment.
After
the
unit
has
been
uncrated,
check
for
any
visible
damage
to
the
unit.
Check
motor
position
and
turn
blower
wheel
to
determine
if
damage
has
occurred
to
these
criti-
cal parts.
If
any
damage
is
found,
the
cosignee
should
sign
the
bill
of
lading
indicating
such
damage
and
immediately
file
claim
for
damage
with
transportation
company.
PRE
-
INSTALLATION
INSTRUCTIONS
W
he
n
the
u
nit
i
s
received
and
uncrated,
check
the
exter-
nal
data
plate
and
all
labels
on
the
unit
for
type
of gas,
electrica
l ,
and
operational
specifications
to confir
m
tha
t
t
hese
agree
with
those
at
point
o
f
installation.
If
the
unit
is
equipped
with
an
Outdoor
Duct
Furnace,
also
check
the
d
ata
plate
and
all
labels
located
inside
each
furnace.
Every
rooftop
unit
will
include
an
informational
packet
which
will
include
the
following:
The
blower
manual,
out-
door
duct
furnace
and
evaporative
cooler/cooling
coil
manuals
(if
applicable
to
the
unit
order),
wiring
diagram(s),
and
special
controls/data
sheets.
ACCESS
PANEL
REMOVAL
Each
access
panel
is
held
in
place
with
two
"grip"
latches.
To
remove
an
access
panel:
use
a
slotted
head
screw
dri-
ver
to turn
the
latch
screwhead
counter
clockwise.
Using
the
handle
provided,
push
the
panel
upwards.
Pull
the
bot-
tom
of
the
panel
out
and
lower
the
panel
to
disengage
it
from
the
top
lip.
To
replace
an
access
door
panel,
guide
-2-