Units With Hydronic Heat - Daikin IM 1068-2 Installation & Maintenance Data

Units With Hydronic Heat

The hydronic heat section can be supplied with a short (4¼''
high) control box or a long (13½'' high) control box depend-
ing on the number of options selected. Observe the control
box to determine which one was supplied for the job.
Figure 16: Hydronic Heat Section with Short Control Box
Note: The short control box is used with standard unit mounted manual changeover control, and unit mounted manual
changeover with emergency standby (ESB) power supply.
M

J
E
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
 Junction box 7/8" (22mm) diameter knockouts for 1/2" (12mm) conduit.
 See Table 6 for dimension B.
Table 6: Wall Box Dimensions
Wall Box "B"
Dimension
007–014
Overall Length
Wall Box "B"
Dimension
007–014
Overall Length
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
Short Control Box
If the short control box was supplied, field wiring should be
brought into the 2'' × 4'' junction box which is located on the
right-hand side of the heat section (Figure 16).
Short
H
Control Box
Room
Cabinet
Room Cabinet
Mounting Holes (4)

Junction Box
K L M N
16 4 ⁄ 1 ⁄ 14 ⁄
1 1 3
2 2 4
406 114 38 375
Dimensions - inches
4 5 6
12 13 14
Dimensions - mm
102 127 152
305 330 356
8"
(203mm)
P
N
Wall Box
⁄ ''
1
2
(12mm)
Side View
Room Cabinet Removed
P
1 ⁄
3
4
44
7 8
15 16
178 203
381 406
Installation
B

F
G
⁄ ''
1
4
(6mm)
9 10
17 18
229 254
432 457
IM 1068-2 / Page 11 of 28