Reheat - Daikin AVS Installation Manual

Coil Headers, Locations

Reheat

Figure 54 - Chilled Water and Hot Water Unit
(Cooling Coils S, W, V)
(Heating Coils 65, 66, 67)
(Cooling) Left Hand
Air Flow
S = Supply
B R = Return
A
R
16-1/8"
13-3/4" (410mm)
S
(350mm)
8-1/2"
(279mm)
(216mm)
J
Note: For opposite end drain steam coils (code 78,79) Return (R) is 7
Figure 57 - Direct Expansion (G) and
Hot Water Unit (Cooling Coil G)
(Heating Coils 65, 66, 67)
(Cooling) Left Hand
= Supply
S
Air Flow
= Return
R
B
LL = Liquid Line
D
SL = Suction Line
SL
16-1/8"
(410mm)
LL
11-3/4"
(299mm)
13-3/4"
(349mm)
J
Table 9 - Reheat Coil Position/Combinations In Air Stream (one coil per position) Note: X indicates Available.
First Position in Air Stream
V
V S
Heating Coils
65 = 1-Row Hot Water Coil
66 = 2-Row Hot Water Coil
67 = 3-Row Hot Water Coil
68 = Low Capacity Steam Coil
69 = High Capacity Steam Coil
78 = Opposite End Drain Low
Capacity Steam Coil
79 = Opposite End Drain High
Capacity Steam Coil
12 = Low Electric Heat Coil
13 = High Electric Heat Coil
Page 20 of 60
Figure 55 - Chilled Water and Steam Unit
(Cooling Coils S, V)
(Heating Coils 68, 69, 78, 79)
(Heating) Right Hand (Cooling) Left Hand
Air Flow
Air Flow
F
A
E
S
R
11"
J
J
Figure 58 - Direct Expansion (G) and
Steam Unit (Cooling Coil G)
(Heating Coils 68, 69, 78, 79)
(Heating) Right Hand (Cooling) Left Hand
Air Flow
F
D
E
S
LL
R
SL 11"
7-1/4"
(279mm)
(184mm)
J
J
C
Second Position in Air Stream
S 65 66 67 68 69
W 65 66
G 65 66 67 68 69
G 12 13
W 12 13
Y 65
Cooling Coils
V = 2-Row CW Coil
S = 3-Row CW Coil
W = 4-Row CW Coil
Y = 5-Row Coil
G = Direct Expansion Coil
(Heating) Right Hand
S = Supply
B
R = Return
R
16-1/8"
13-3/4"
S
(410mm)
(350mm)
11"
8-1/2"
(279mm)
(216mm)
⁄ ˝ (184mm) from bottom of unit and H - 2˝ (73mm) from back of unit.
1
4
(Heating) Right Hand
= Supply
S
Air Flow
= Return
R
B
LL = Liquid Line
SL = Suction Line
SL
LL
11-3/4"
(299mm)
13-3/4"
7-1/4"
(349mm)
(184mm)
Face and Bypass
AVB AVR
78 79 X
X
78 79
X
Figure 56- Chilled Water and Electric
Heating (Cooling Coils V, S, W)
(Heating Coils 12, 13)
Air Flow
K
Junction Box
H
S
R
14"
(356mm)
J
Figure 59 - Direct Expansion and
Electric Heating (Cooling Coils G)
(Heating Coils 12, 13)
Air Flow
K
Junction Box
H
S
LL
R
16-1/8"
14"
(410mm)
(356mm)
SL
11"
(279mm)
J
C
Valve
AVR Elect.
X
X
X
X
X
X
Right Hand
Air Flow
B
A
R
13-3/4"
S
(350mm)
8-1/2"
(216mm)
J
L
Right Hand
Air Flow
D
C
LL
11-3/4"
SL
(299mm)
7-1/4"
(184mm)
J
L
IM 817-4