Specifications
10 U-5 IOM
Figure 8. 100% outside air unit with Johnson Metasys controls and electric preheat wiring diagram
2
1 3456
78 6543
21 3456
10V
2V
OFF
OFF
T
V
ANALOG INPUTS
BINARY OUTPUTS
BINARY
INPUTS
AI COM
AI COM
AI COM
AI COM
AI COM
AI COM
15 VDC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
TRIACS
COMMON
COMMON
COMMON
COMMON
COMMON
AI 1
AI 2
AI 3
AI 4
AI 5
AI 6
15 VDC
B11
B12
B13
B14
24 VAC
COM
REF
N2–
N2+
ZBUS
BO 1
BO 2
BO 3
BO 4
BO 5
BO 6
BO 7
BO 8
SEE NOTE 6
P5 P6
Z BUS
SEE NOTE 9
TO
ZONE
S TAT
JOHNSON CONTROLS, INC.
METASYS
MODEL AS-UNT110-1
(10 VA POWER REQUIREMENT)
21
ON
MA
HS
OT
DA
AF
(SET @ 0.25")
SEE NOTE 4
(BETWEEN THE ELECTRIC PRE-
HEAT AND EVAPORATOR COILS)
(ON THE RETURN AIR DUCT FLANGE
UPSTREAM OF THE AIR DAMPERS)
(IN THE DISCHARGE AIR DUCTWORK)
(IN THE DISCHARGE AIR DUCTWORK)
OUT
COM
POWER
TEMP TEMP
RED YELLOW
TERMINAL
STRIP
1
2
E
Y1
Y2
R
G
C1
H
L
O
C2
YELLOW
BLUE
BLUE
PINK
PINK/BLACK STRIPE
ORANGE
PURPLE
BLACK
PINK/BLACK STRIPE
208/230 OR
460 VOLTS
60 HERTZ
3 PHASE
SEE NOTE 2
ELECTRIC
PREHEAT CONTROLS
2
C 1
RED
BLACK
WHITE
SEE NOTE 10
2
2
55
4
4
113
3
7R
6R
GRAY
PINK/BLACK STRIPE
WHITE
L3
L2
L1
50 VA
TRANSFORMER
24 VAC
BLACK
SEE NOTES
1, 8 & 11
YELLOW
BLUE
5R
3
1
5
2
4
RV
SEE NOTE 5
#2