Trane RTHA Installation, Operation And Maintenance Manual page 17

Figure 15. Control power wiring (new wiring bold/highlighted in red) — RTHB (MX Starter)
1
2
3
2TR1
2K300
RLC-SVN005B-EN
RTHB Units with A515 (or Wye-Delta) Starters
(H)
120/240 VAC (input)
TB
2K400
to shunt
trip coil
HPC
To Shunt Trip
2K400
Benshaw
SSS
2K400
L
TB1
DK2
(N)
TB
2K300
FAN
17