Trane TKD - Cable Preparation

RT-SVX42B-E4 7
Installation
Cable preparation
Depending on the ERM type and rooftop size, different connections need to be made. Refer to Figure 6 to perform the necessary connections.
Figure 6 - Connections
ERW
125-155-175-200-250-265-2 90-340
PHE
125-155-175-200-250-265-290-340
ERW
275-300-350-400-500-600
PHE
275-300-350-400-500-600
P+
P-
E
B
R’
R
M
R
E
M
R
E
E
B
P-
P-
P+
M
E
B
R
R'
Plastic hose - Defrost pressure switch negative pressure port
Plastic hose - Defrost pressure switch positive pressure port
Power cable – Heat recovery Wheel motor (400V/3/50)
Power cable – Exhaust / Return fan motor (400V/3/50)
Control cable – Return air mixing damper actuator modulating
Control cable – Fresh air damper actuator (modulating)
Control cable – By-pass free cooling damper actuator (ON-OFF)