User Guide

Cont’d.
FIG. 10
- DIMENSIONS & CLEARANCES - DCE & DCG
All dimensions are in inches. They are sub-
ject to change without notice. Certified di-
mensions will be provided upon request.
CLEARANCES
Front 36"
Back
24" (Less Economizer)
49" (With Economizer)
Left Side (Filter Access)
24" (Less Economizer)
36"
3
(With Economizer)
Right Side (Cond. Coil) 36"
Below Unit
1
20"
Above Unit
2
72" With 36" Maximum
Horizontal Overhang
(For Condenser Air
Discharge)
1
Units (applicable in U.S.A. only) may be installed on combustible floors
made from wood or class A, B or C roof covering material.
2
Units must be installed oudoors. Overhanging structures or shrubs should
not obstruct condenser air discharge outlet.
3
If economizer is factory installed, the assembled hood kit must be removed
prior to final installation. This hood is 54" long.
NOTE:
DCE Models: Units and ductwork are approved for zero clearance to combus-
tible materials when equipped with electric heaters.
DCG Models: A 1" clearance must be provided between any combustible
material and the supply air ductwork for a distance of 3 feet from the unit.
The products of combustion must not be allowed to accumulate within a
confined space and recirculate.
Locate unit so that the vent air outlet hood is at least:
•
Three (3) feet above any forced air inlet located within 10 horizontal feet
(excluding those integral to the unit).
•
Four (4) feet below, 4 horizontal feet from, or 1 foot above any door or gravity
air inlet into the building.
•
Four (4) feet from electric meters, gas meters, regulators and relief equip-
ment.
HOLE
OPENING
SIZE
(DIA.)
USED FOR
A
1-1/8" KO
Control
Wiring
Front
3/4" NPS (Fem.) Bottom
B
3-5/8" KO
Power
Wiring
Front
3" NPS (Fem.) Bottom
C 2-3/8" KO Gas Piping (Front)
D 1-11/16" Hole Gas Piping (Bottom)*
*
Opening in the bottom of the unit can be located by the slice
in the insulation.
UTILITIES ENTRY DATA
RETURN AIR
SUPPLY AIR
CONDENSER AIR
OUTDOOR AIR
(Economizer)
RETURN
AIR
SUPPLY
AIR
BOTTOM SUPPLY
AND RETURN
AIR OPENING S
(S ee N ote)
(B )
POW ER W IRING
ENTRY
(A )
CONTROL W IRING
ENTRY
NOTE:
For curb m ounted units, refer to the curb hanger
dim ensions of the curb for the proper size of the
s u p p ly a n d re tu rn a ir d u c t c o n n e c tio n s .
UNIT BASE W ITH RAILS
Show n separately to illustrate
Bottom D uct openings and P ow er
C onnection locations
12-1/2"
9-1/4"
8-1/8"
9-3/4"
3-3/4"
(B )
POW ER W IRING
ENTRY
(A )
CONTROL W IRING
ENTRY
92"
CONDENSER
COILS
OPTIONAL
COIL GUARD
COM PRESSOR
ACCESS
(S ee detail "X ")
E C O N O M IZ E R / M O T O R IZ E D D A M P E R ,
FIXED O UTDO OR INTAKE AIR AND
POW ER EXHAUST RAIN HO O DS
(S ee detail "Y ")
FIELD-SUPPLIED
DISCONNECT SW ITCH
LO C A TIO N
BLO W ER
ACCESS
BLOW ER MOTOR
ACCESS
BLO W ER
CO M PARTM ENT
ACCESS
(A u x ilia r y )
DOT PLUG
(F o r p re s s u re
Drop Reading)
FR O N T
VIEW
ELECTRIC HEAT
ACCESS
CONTROL BOX
ACCESS
21"
5"
9-3/4"
11-1/2"
2-3/4" 21-1/2"
33"
35"
5-7/8"
35-1/4"
52-5/8"
136-1/4"
RETURN
AIR
SUPPLY
AIR
BOTTOM SUPPLY
AND RETURN
AIR O PENINGS
(S ee N ote)
(B )
POW ER W IRING
ENTRY
(A )
CONTROL W IRING
ENTRY
NOTE:
For curb m ounted units, refer to the curb hanger
dim ensions of the curb for the proper size of the
s u p p ly a n d re tu rn a ir d u c t c o n n e c tio n s .
UNIT BASE W ITH RAILS
Show n separately to illustrate
Bottom D uct openings, P ow er
and G as P iping C onnection
lo c a tio n s
12-1/2"
9-1/4"
8-1/8"
9-3/4"
3-3/4"
(B )
POW ER W IRING
ENTRY
(A )
CONTROL W IRING
ENTRY
92"
CONDENSER
COILS
OPTIONAL
COIL GUARD
COM PRESSOR
ACCESS
(S ee detail "X ")
E C O N O M IZ E R / M O T O R IZ E D D A M P E R ,
FIXED O UTDOO R INTAKE AIR AND
POW ER EXHAUST RAIN HO ODS
(S ee detail "Y ")
FIELD-SUPPLIED
DISCONNECT SW ITCH
LO C A TIO N
BLO W ER
ACCESS
BLOW ER MOTOR
ACCESS
BLO W ER
CO M PARTM ENT
ACCESS
(A u x ilia ry )
DOT PLUG
(F o r p re s s u re
Drop Reading)
FR O NT
VIEW
CONTROL BOX
ACCESS
21"
5"
9-3/4"
11-1/2"
2-3/4" 21-1/2"
33"
35"
5-7/8"
46-5/8"
7-1/8"
6-3/8"
VENT AIR
OUTLET
HOODS
COM BUSTION
AIR INLET
HOOD
GAS HEAT
ACCESS
(C )
GAS SUPPLY
ENTRY
46-5/8"
11-1/8"
(D )
GAS SUPPLY
ENTRY
35-1/4
136-1/4
52-5/8
530.18-N11Y
Unitary Products Group 11