LIMITATIONS
These units must be installed in accordance with all national
and local safety codes. If no local codes apply, installation must
conform with the appropriate national codes. See Table 1 for
application data. Units are designed to meet National Safety
Code Standards. If components must be added to a unit to meet
local codes, they are to be installed at the dealer’s and/or the
customer’s expense.
This furnace is not to be used for temporary heating of buildings
or structures under construction.
RIGGING
Sunline units are equipped with lifting lugs on the unit base.
Units should be lifted by placing rigging hooks thru the lugs
provided. Spreader bars should be used. See Figure 2.
MOUNTING
The structure on which the unit or roof curb is mounted must
be capable of supporting the total weight of the unit. Refer to
Table 2 for individual component weights. Refer to Figure 3 for
approximate centers of gravity.
A roof mounting curb accessory is available to simplify the
installation of a Sunline unit. Refer to From 530.25-N1.6 for
installation instructions for assembling and mounting the curb
and for installing the unit on the curb. Roof mounting curbs
capable of supporting the unit’s weight may also be field
fabricated.
CLEARANCES
These units must be installed with the minimum clearances
listed below.
A 2" clearance within 3 feet of the unit must be maintained
between any combustible material and the supply air duct work.
No objects should be left near the combustion air inlet to
obstruct the openings. If the unit is slab mounted, shrubs and
other growth should be eliminated.
FIG. 1 - UNIT LESS PANELS (DSC480 SHOWN)
INSTALLATION
FIG. 2 - TYPICAL RIGGING
Front
(Control Box Side)
36" for Service Access
to Controls
Left side
(Condenser Coil)
36" for Proper Condenser
Air Flow
Rear
36" from Rain Hoods
Right Side
90" Units with Gas Heat Option
36" Units with Electric Heat Option
36" Cooling Only Units
Below unit
1
0"
Above unit
2
120" for Condenser Air Discharge
1
Units with a gas or an electric heating option can be installed on a combustible floor.
2
Units with gas heat must be installed outdoors; the products of combustion must not be
allowed to accumulate within a confined space and recirculate.
These units can be installed under an outside overhang providing the overhang: (1) is at
least 10 feet above the top of the unit and (2) extends no more than 3 feet beyond the end
of the unit.
FIG. 3 - CENTER OF GRAVITY
MODEL
A
X
Y
DSC360
164
48
84
DSC480
184
45
104
530.25-N3Y
Unitary Products Group
3
