(Direct-Drive Units)
FIELD-SUPPLIED
DISCONNECT SWITCH
LOCATION
CONTROL
FILTER ACCESS
BOX ACCESS
⁄
5
32
8
⁄
3
" PVC FEMALE
4
COND. DRAIN
⁄
7
44
(See Detail "A")
8
A, B
WIRING ENTRY
(See Detail "B")
⁄
3
5
8
7
7
BOTTOM SUPPLY &
RETURN AIR OPENINGS
(SEE NOTE)
B - POWER WIRING ENTRY
A - CONTROL WIRING ENTRY
CLEARANCES
Front
Back
Left Side (Filter Access)
Right Side (Cond. Coil)
1
Below Unit
2
Above Unit
NOTE:
Units and ductwork are approved for zero clearance to combustible
mater-ials when equipped with electric heaters.
1
Units may be installed on combustible floors made from wood or
class A, B or C roof covering material. (Applicable in USA only).
2
Units must be installed oudoors. Overhanging structures or shrubs
should not obstruct the outdoor coil nor the fan outlet.
⁄
1
27
2
⁄
1
19
2
DETAIL "A"
UNIT WITH ECONOMIZER RAIN HOOD
FIG. 5 - DIMENSIONS & CLEARANCES - 3 - 6 TONS
Unitary Products Group
BLOWER
ACCESS
FRONT VIEW
82
⁄
1
11
2
⁄
1
17
2
⁄
1
6
2
⁄
1
17
⁄
3
2
6
4
⁄
⁄
1
8
8
8
UNIT BASE WITH RAILS
Shown separately to illustrate bottom
duct openings and power connection
locations.
NOTE: For curb-mounted units, refer to the
duct hanger dimensions of the curb for the
proper size of the supply and return air
⁄
3
duct connections.
8
8
24"
12" (Less Economizer)
36" (With Economizer
or Fixed Air/Motorized
Air Damper)
24" (Less Economizer)
36" (With Economizer)
24"
20"
72" (For Condenser Air
Discharge)
⁄
3
" CONDENSATE
4
DRAIN
(must be trapped)
⁄
3
19
4
⁄
7
44
8
OUTDOOR
COIL
SCROLL
COMPRESSOR
ACCESS
ELECTRIC
HEAT
⁄
1
ACCESS
4
⁄
1
2
2
DUCT COVERS - Units are shipped with
all air duct
openings covered.
For side duct applications;
1.Remove and discard the supply and
return air duct
2.Connect ductwork to duct flanges on the
rear of the
For bottom duct applications;
1. Remove the side supply air duct cover to
⁄
1
17
2
⁄
⁄
1
6
1
17
2
2
REAR VIEW
SIDE SUPPLY AND RETURN
AIR OPENINGS
AIR FLOW LEGEND
RETURN AIR
⁄
7
SUPPLY AIR
30
8
OUTDOOR AIR
1
19
OUTDOOR AIR
(Economizer)
DIMENSION "A"
FIXED
OUTDOOR
12
AIR DAMPER
MOTORIZED
⁄
1
16
2
DAMPER
covers.
unit.
All dimensions are in inches. They are sub-
ject to change without notice. Certified di-
mensions will be provided upon request.
⁄
1
11
2
UTILITIES ENTRY DATA
3
KNOCKOUT
HOLE
SIZE
⁄
1
11
2
(DIA.)
⁄
5
4
8
A
7/8" *
⁄
7
7
B
2" *
8
*
Knockouts in the bottom of the unit can be located
by the slice in the insulation.
**
Do not remove the 2" knockout ring.
⁄
8
"A"
7
44
DETAIL "B"
UNIT WITH FIXED OUTDOOR
AIR/MOTORIZED DAMPER RAIN HOOD
530.18-N7Y
USED FOR
Control Wiring
(Side or
Bottom)**
Power Wiring
(Side or
Bottom)
⁄
1
10
4
B
⁄
1
3
2
A
⁄
1
8
4
⁄
⁄
8
3
4
8
7