Exhaust / Return Fan Cable Connection - Trane TKD Installation Operation & Maintenance

Figure 8 - Connections
Only PHE
P+ P-
+ -
B57
WARNING!: insulate the cables to ensure there has not been any cable damage during shipping and installation.
8
Installation
Exhaust / Return fan cable
connection
Run the power exhaust fan motor power
cables to the speed inverter.
Connect the three phases and ground
cable(s) to the MOTOR terminal of the
speed inverter.
Respect the cable numbers as shown in
Figure 7.
If two exhaust fan motors are installed,
repeat the operation two times.
The cable shield must be connected to the
chassis by means of the cable clamp.
125-155-175-200-250-265-290-340
24VAC
0-10VDC
0-10VDC
Feedback
0V input
+24VAC
54
50 51 53 50 51 55
1 2 3 5
R
Only PHE
24VAC
24VAC
ON/OFF
0-10VDC
0-10VDC
0V
0V input +24VAC
+24VAC
50 51 52
5 1 2 3
R'
Figure 7 -
Connect to the spring terminal blocks X50-
X51-X52-X53-X56-X57-X58. Connect
cables according to the following wiring
diagrams.
For Plate Heat exchanger versions, connect
the plastic hose to the differential defrost
pressure switch port.
Only ERW
400V / 3 /50Hz
24VAC
input L1 L2
56 57 58
1 2 3
1 2 3
B M
L3
RT-SVX42B-E4