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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).
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.
M
E
J
K
L
A
D
E
in.
45
⁄
37
25
⁄
3
1
4
2
mm
1162
940
648
Notes: See
Figure 6 through Figure 13 on page 8
See Table 7 for dimension B.
Table 7: Wall Box Dimensions
Wall Box "B"
Dimension
007–014
Overall Length
Wall Box "B"
Dimension
007–014
Overall Length
IM 1068-2 / Page 12 of 28
A
Hydronic
Coil
D
Front View
F
G
H
J
24
⁄
13
⁄
22
⁄
10
1
11
7
2
16
8
622
348
581
254
for dimensions of factory installed valve and return piping stub.
2
⁄
3
⁄
1
1
2
2
10
⁄
11
⁄
1
1
2
2
64
89
267
292
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.
H
Long
Control Box
Room
Cabinet
Room Cabinet
Mounting Holes (4)
Flexible Conduit
Power Supply Cord
Cool Chassis
Power Cord
Junction Box
(By Others)
K
L
M
16
4
⁄
1
⁄
1
1
2
2
406
114
38
Dimensions - inches
4
5
6
12
13
14
Dimensions - mm
102
127
152
305
330
356
8"
(203mm)
Wall Box
Heat Chassis
Power Cord
⁄
'' (6mm)
1
⁄
''
1
4
2
(12mm)
Side View
Room Cabinet Removed
7
8
15
16
178
203
381
406
B
F
G
9
10
17
18
229
254
432
457
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