Trane RTHD

Figure 21. Control power wiring (new wiring bold/highlighted in red) — RTHC (MX Starter)
To Shunt Trip
to shunt
trip coil
1K400
1K400
1K400
8&3
(N)

(H)
2K300
TB1
L
DK2
To 1T1
To 1T2
To 1T3
HPC
Benshaw
SSS
1K300
120/240 VAC (input)
TB
TB
1K11/
1K400
Chiller
Module
J22-1
Master Oil
Valve (4L3)
(H)
(N)
To J22-1
wire 75A, B
RTHC Units with EasySTART (or Wye-Delta) Starter
RLC-SVN005B-EN 23