5
•
Minimum horizontal clearance of 48” from the furnace
flue discharge to any electric meters, gas meters, regulators
and relief equipment is required.
U
NIT
P
RECAUTIONS
•
Do not stand or walk on the unit.
•
Except for holes in the wiring entrances (see Figure
below), do not drill holes anywhere in panels or in the
base frame of the unit. Unit access panels provide
structural support.
•
Do not remove any access panels until unit has been
installed on roof curb or field supplied structure.
•
Do not roll unit across finished roof without prior approval
of owner or architect.
•
Do not skid or slide on any surface as this may damage
unit base. The unit must be stored on a flat, level surface.
Protect the condenser coil because it is easily damaged.
R
OOF
C
URB
I
NSTALLATIONS
O
NLY
:
Before installing this unit...
IMPORTANT NOTE: This unit has been equipped with a shipping
brace under the compressor section that MUST BE REMOVED be-
fore installing the unit on a roof curb.
Please follow the instructions below to remove brace.
W
HEN
UNIT
IS
SUSPENDED
,
BOARDS
AND
SHIPPING
BRACE
WILL
DROP
WHEN
SCREWS
ARE
REMOVED
. T
O
PREVENT
PERSONAL
INJURY
, STAND CLEAR.
R
EMOVE
FORK
HOLE
BRACKETS
,
BOARDS
AND
SHIPPING
BRACE
FROM
BOTTOM
OF
UNIT
BEFORE
PLACING
UNIT
ONTO
CURB
.
CAUTION
1. Remove wooden struts and shipping brace per installation
instructions. The struts are located in the fork holes and
are used to protect the unit from damage while lifting with
forks. The shipping brace is located under the unit (under
compressor). Also remove the fork hole brackets as shown
in the following figure.
2. Locate and remove the end brackets as shown in the
following figure.
LIFT OVER APPROXIMATE
CENTER OF UNIT
SPREADER BARS
MUST BE USED WITH
LIFTING STRAPS THAT
ARE LESS THAN 16
FEET LONG
REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
WOODEN STRUTS
REMOVE 2 BRACKETS
ON EACH END TO
REMOVE
SHIPPING BRACE
3. Lift unit per the “Rigging Details” section of this manual,
observing all warnings and cautions. When unit is lifted,
boards and shipping brace will drop if screws have been
removed. To avoid injury, STAND CLEAR.
4. Dispose of the boards and brace appropriately.
Curb installations must comply with local codes and should be done
in accordance with the established guidelines of the National Roof-
ing Contractors Association.
Proper unit installation requires that the roof curb be firmly and
permanently attached to the roof structure. Check for adequate
fastening method prior to setting the unit on the curb.
Full perimeter roof curbs are available from the factory and are
shipped unassembled. Field assembly, squaring, leveling and
mounting on the roof structure are the responsibility of the in-
stalling contractor. All required hardware necessary for the as-
sembly of the sheet metal curb is included in the curb accessory.
T
O
PREVENT
POSSIBLE
EQUIPMENT
DAMAGE
,
PROPERTY
DAMAGE
,
PERSONAL
INJURY
OR
DEATH
,
THE
FOLLOWING
BULLET
POINTS
MUST
BE
OBSERVED
WHEN
INSTALLING
THE
UNIT
.
WARNING
Summary of Contents for DCG Series
Page 29: ...27 APPENDIX D WIRING DIAGRAMS...