UC400–B Wiring Diagrams
Figure 8. Common Input/Sensor Connections
Space
Temp
Sensor
BAS-SVX48H-EN
4
3
Discharge
2
Air
Temp
1
J1
J2
6 pin Phoenix
AMP
2
1
6
5
4
3
2
1
Phoenix
Pressure Inputs
J9
1
2
3
4
5
6
1
2
3
J15
Phoenix
Phoenix
24 Vac
Ground
T T y y p p i i c c a a l l A A p p p p l l i i c c a a t t i i o o n n s s a a n n d d T T e e r r m m i i n n a a t t i i o o n n s s
Occupancy
(Open Occu)
Supply Fan
Frost
Status
Detection
(NO)
Input
Phoenix
2
J6
J5
Phoenix
2
1
2
1
PI1
PI2
J10
3 Pin
3 Pin
Mini
Mini
AMP
AMP
1 2 3
J14 - JST
4
5
6
14 13 12 11 10 9 8 7 6 5 4
J17
J16
14 Pin AMP
Over ow (NC)
Relative
Humidity Local
or Indoor CO
2
Concentration
Outside
(Opt)
Air Temp
Local
J4
J3
5pin Phoenix
1
5
4
3
2
1
Service
USB
P1
Comm -
Address
Comm +
0
0
0
0
GND
5
5
5
5
24VDC
1
2
3
4
3 2 1
J18
Phoenix
Low Coil
Entering
Detection
Water
(NC)
Temp
Condensate
Comm In
Comm Out
Zone Sensor
Serv Tool
Connection
Auxiliary 24 Vdc
Output
25