Uc400 Wiring Diagrams - Trane Tracer UC400 Installation, Operation And Maintenance Manual

UC400 Wiring Diagrams

Figure 2. Common input/sensor connections (Trane EX units only)
1
to detect freeze conditions
that produce frost on the coil
surface.
BAS-SVX065E-EN
Occupancy
(Open Occu)
Ground
24 Vac
IM C
24 24 24
VAC VAC VAC
XFRM
AO1 AO2
BI 4 BI 5
Fan
*Relative
Status
Humidity
ECM Fan
Sensor
Motor
BI4 Frost Detect Input used
Space
Temp
Sensor
IM C
24
VAC
XFRM
Two-Tier
AO1
BI 4
Terminal
1
Connections
ADDRESS
RELAYS
BO1 BO2
NO NC C NO
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
Compressor
Lockout
Status
Defrost
BI 1 BI 2 BI 3
UI 1 UI 2 AI 1 AI 2
Leaving
Water Temp
Sensor
1
2
3
4
24 24
VAC VAC
BI 1 BI 2 BI 3
AO2
UI 1 UI 2 AI 1 AI 2 AI 3
BI 5
BO1 BO2 BO3 BO4 BO5 BO6 BO7 BO8 BO9
CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS
TRIAC SUPPLY
BO3
NC C NO NC C A B BO4
Comm In
Comm Out
Zone Sensor Service
Tool Connection
LINK IMC
AI 3 AI 4 AI 5
Pressure Inputs
P 1
*Condensate
Overflow
*Entering
Water Temp
Disc harge
Air Temp
IM C
+ 24 Asterisks (*) Shown Above
VDC
LINK IMC
• UI1 Relative Humidity Sensor
AI 4 AI 5
can be used with dehumidifying
unit instead of a BAS-
P 1 P 2
communicated valve.
•AI5 Entering Water Temp
LINK IMC
TX
Sensor used for auto-
RX
changeover units.
SERVI C E
SERVICE TOOL •P1 Condensate Overflow
prevents the condensate drain
from overflowing and
causing water damage to
the building.
TRIACS
BO5 BO6 BO7 BO8 B BO9 A
Auxiliary 24 Vdc
Output
IM C
+ 24
VDC
P 2
17