Trane GRAA - Receiving and Installation Preparation; Receiving Instructions; Pre-Installation Instructions

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-