Trane Tracer UC400 Installation, Operation And Maintenance Manual page 23

Figure 6. 2–Position Cooling/Heating w/Face and Bypass Damper
IM C
1
BAS-SVX48H-EN
24 24 24
VAC VAC VAC
XFRM BI 1 BI 2
AO1 AO2
UI 1 UI 2
BI 4 BI 5
ADDRESS
BO1 BO2 BO3
RELAYS
BO1 BO2 BO3
NO NC C NO NC C NO NC C
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
BI 3 LINK IMC
AI 1 AI 2 AI 3 AI 4 AI 5
P 1
BO4 BO5 BO6 BO7 BO8 BO9
CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS
TRIAC SUPPLY TRIACS
A B BO4 BO5 BO6 BO7 BO8
2-Position Cool/Heat Face and Bypass Terminal Connections
CONNECT AC POWER TO THE TRAIC SUPPLY TO POWER THE TRIACS
TRIAC SUPPLY
A B
BO4
To 24 Vac
Supply
2-Pos
Cooling
Valve
IM C Two-Tier
+ 24
VDC
Terminal
Connections
P 2
LINK IMC
TX
RX
SERVI C E
SERVICE TOOL
Single-Tier
Terminal
Connections
B BO9 A
TRIACS
B
BO5 BO6 BO7 BO8
Face/Bypass
Damper
2-Pos
Heating
Valve
A
BO9
23