Trane RAUJ-C20 Installation, Operation And Maintenance Manual page 69

panel, refer to the actual unit wiring diagram for
terminal designation, i.e. W, B, R, & Y. A separate
Figure 44. Unit control panel — 20 to 60 tons
7TB8
12
11
R
10
9
8
7
6
5
4
3
2
1
Unit Control Panel
Figure 45. Unit control panel — 80 to 120 tons
7TB8
12
11
R
10
9
8
7
6
5
4
3
2
1
Unit Control Panel
Field Provided Power Supply
1
(Provide disconnect switch and
overload protection as required.)
Table 25. Economizer actuator circuit legend
Device
Designation Device Designation
MM Modutral Motor
TR Transformer
Enthalpy Control
EC
SS-SVX11K-EN
power supply for the actuator(s) must be field
provided.
Field Provided Power Supply
1
(Provide disconnect switch and
overload protection as required.)
EC
W
MP-1
R R W
B
EFI
1
MP-1
R W
MP-2
EC
R
W
W
R
MP-3
B
R W
1
Parts And Notes
M.H. M955 (Up to 3 motors may be controlled as shown. Additional motors must be
slaved.)
M.H. 13081B; cover mounted
M.H. H2051046
I I n n s s t t a a l l l l a a t t i i o o n n E E l l e e c c t t r r i i c c a a l l
MM-1
TR-1
B
W
R
NM-1
TR-1
B
W
R
NM-2
TR-2
B
W
R
NM-3
TR-3
B
W
R
EFI
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