Trane BCHE - Layout and Control Box Diagrams; Control box for Tracer UC400-B controller; Control box for CSTI with 2-stage EH and DX coil

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BCX-SVX002A-EN
Figure 112. Control box for Tracer® UC400-B controller
Universal control
panel (UCP)
UCP lid
Low voltage
barrier
Disconnect
switch
Junction box/
main power
connection
Junction box/main
power connection
1TB1 DX
terminal block
1U3 Wireless
receiver with bracket
1U4 (ECM engine
control board) blue
1U1 (UC400-B)
green
1T1
Transformer
Figure 113. Control box for CSTI with 2-stage EH and DX coil
2-stage EH assembly
(1K2 and 1K3)
Aux DX Assembly
(1K1 and 1K4)
CSTI adapter (1U2)
Velocitach
(1U4)
Transformer
(1T1)
Disconnect switch
(1S1)
Note: Aux DX assembly can be mounted either
left hand or right hand depending on unit arrangment.
Layout and Control Box Diagrams