679948-YTG-A-0111
20
Unitary Products Group
TABLE 29: RETURN AIR GRILL
TABLE 30: BASE ACCESSORY
FIGURE 12 - ACCESSORY DIMENSIONS
TABLE 28: ELECTRIC HEATER DIMENSIONS - NE090, NE/NF120 & NE180
Heater
Model
Nom
.
kW
Unit
Model
Heater Dimensions (inches)
A
B
C
D
E
F
G
H
K
L
M
2HS04501025, 46, 58
2HS04501625, 46, 58
2HS04502625, 46, 58
2HS04503625, 46, 58
10
16
26
36
090
120
180
27-1/4
25-1/4
14-1/4
1
4
1/2
5-1/2
1-1/2
1-1/2
22-1/4
19-1/4
2HS04507225, 46, 58
72
180
28-11/16
28-11/16
21-3/4
1
5-1/4
3/4
6-3/8
2-1/4
2-1/2
22-3/8
19-1/4
HEATER
ELEMENT
CHAMBER
3/4
A
C
1
D
L
E
F
M
G
H
K
B
ACCESS OPENING FOR POWER SUPPLY WIRING
1/2
WIRING HARNESS LOCATION
This opening in the bottom of the heater
control box is used for the wiring harness
that connects the heater accessory to the
basic unit. It is provided with a squeeze
connector for securing the wiring harness,
and its location corresponds to the loca-
tion of the 1-23/32" knockout in the top
panel of the basic unit.
CONTROL BOX
ACCESS PANEL
10KW THRU 36KW - Add a 1-1/4" conduit fitting
to the 1-23/32" hole for wire sizes up through
#1 AWG. Remove the knockout ring and add a
1-1/2" conduit fitting to the 1-31/32" hole for
wire sizes up through #0 AWG.
KW THRU 36KW - Add a 1-1/4" conduit fitting
to the 1-23/32" hole for wire sizes up through
#1 AWG. Remove the knockout ring and add a
2 " conduit fitting to the 2-1/ 2" hole for wire sizes
up through #0000
AWG.
72
FIGURE 13 - RETURN AIR GRILL
Grill Model
Unit Model
Grill Dimensions (Inches)
A
B
1RG0451
090
120
52
25
1RG0452
180
60-3/4
31
1RG0405
240
89-1/2
29-1/2
FIGURE 14 - BASE ACCESSORY
Base Model
Unit Model
Base Dimensions (Inches)
A
B
C
1BS0451
090
120
52
25-1/8
20
1BS0452
180
60-3/4
31-5/8
24
1BS0405
240
89-1/2
30-3/4
23-3/8
