Trane RTHA Installation, Operation And Maintenance Manual page 18

Solid state starter conversion
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RTHB Units with A515 (or Wye-Delta) Starters
Figure 16. Control power wiring (new wiring bold/highlighted in red) — RTHB (MX2 Starter)
To T1
To T1
To T2
To T2
To T3
To T3
2TR1
2K300
NOTE:
1. Connection to start signal is required. If you don't use this contact, you need to place a wire to the start signal.
18

120/240 VAC (input)
2K11/
2K400
TO SHUNT
TRIP COIL
(Breaker)
(H)
HPC
2K11/
2K400
2K11/
2K400
Optional contact.
See note 1.
(N)
TO SHUNT
TRIP
(Breaker)
OT SWITCH
201
202
203
BP1
AUX
204
205
206
2K300
2K300
FAN (optional)
RLC-SVN005B-EN

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