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IM 1068-2 / Page 12 of 28
Installation
Long Control Box
1. If the long control box was provided, make electrical
connections to a field supplied junction box that should be
fastened to the floor beneath the control (Figure 17).
2. Locate the long control box. The power wires for the
control extend through the piece of flexible conduit that
exits from the bottom of the control. These wires should
be connected to the incoming power at the junction box
installed in Step 1.
Remote Control — For units with remote mounted thermo-
stat, refer to
"Room Cabinet and Control Installation" on page
13
.
Figure 17: Hydronic Heat Section with Long Control Box
Note: The long control box is used with optional special controls such as Guest Room Control (GRC), Night Setback (NSB), and
remote thermostats. Left-hand piping must be used with the long control box design.
Side View
Room Cabinet Removed
Front View
8"
(203mm)
Long
Control Box
Room
Cabinet
Room Cabinet
Mounting Holes (4)
1
⁄
2
''
(12mm)
1
⁄
4
'' (6mm)
B
F
G
Cool Chassis
Power Cord
Heat Chassis
Power Cord
Flexible Conduit
Power Supply Cord
Junction Box
(By Others)
H
A
M
J
K
L
D
Wall Box
Hydronic Coil
E
A
D
E
F
G
H
J
K
L
M
in.
45
3
⁄
4
37
25
1
⁄
2
24
1
⁄
2
13
11
⁄
16
22
7
⁄
8
10
16
4
1
⁄
2
1
1
⁄
2
mm
1162
940
648
622
348
581
254
406
114
38
Notes:
See
Figure 6 through Figure 13 on page 8
for dimensions of factory installed valve and return piping stub.
See Table 7 for dimension B.
Table 7: Wall Box Dimensions
Dimensions - inches
Wall Box “B”
Dimension
007–014
2
1
⁄
2
3
1
⁄
2
4
5
6
7
8
9
10
Overall Length
10
1
⁄
2
11
1
⁄
2
12
13
14
15
16
17
18
Dimensions - mm
Wall Box “B”
Dimension
007–014
64
89
102
127
152
178
203
229
254
Overall Length
267
292
305
330
356
381
406
432
457
Summary of Contents for IM 1068-2
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