Trane RTHD

Figure 22. Control power wiring (new wiring bold/highlighted in red) — RTHC(MX2 Starter)
OT SWITCH
BP1
AUX
201
202
206
203
205
204
1K11/
1K400

(N)
(H)
1K3001K300
To T1To T1
To T2To T2
To T3To T3
HPC
1K300
120/240 VAC (input)
1K11/
1K400
TO OIL
HEATERS
(4HR1, 4HR2)
1K11/
1K400
TO SHUNT
TRIP COIL
(Breaker)
TO SHUNT
TRIP
(Breaker)
1K11/
1K400
Chiller
Module
J22-1
Master Oil
Valve (4L3)
(H)
(N)
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.
Optional contact.
See note 1.
To J22-1
wire 75A, B
RTHC Units with EasySTART (or Wye-Delta) Starter
24 RLC-SVN005B-EN