Installation Guide

TP-7091 2/2130 Section 3 Electrical
RXT*
COM
PWR
B
A
COM
PWR
B
A
1. Generator set terminal block. See Figure 3-3 for location. Check the decal on the generator set for terminal block connections.
2. Connect one end of each cable shield to GROUND at the generator set.
3. Communication cable Belden #9402 or equivalent 20 AWG shielded, twisted-pair cable. See Section 3.3.1, Cable Specifications.
4. Leave one end of each cable shield disconnected. If accessory modules (PIM or load shed kit) are connected, see Section 3.3.3.
Note: Generator set terminal block connections 3 and 4 are NOT USED with the Model RXT ATS.
* RXT transfer switch with standard or combined interface/load management board.
Generator Set
GND
RBUS
12 VDC
3
1
2
4
4
A
B
COM
PWR
3
4
Figure 3-7 Model RXT Transfer Switch Communication Connection to Generator Set Terminal Block
tp6803
1. Generator Set Terminal Block. See the dimension drawings in Section 6 for location. Check the decal on the generator set for terminal
block connections.
2. Engine start leads 3 and 4. See the ATS manual for cable size specifications.
Generator Set
ATS
(with engine
start contacts)
A
B
COM
PWR
1
2
3
4
Figure 3-8 Engine Start Connections with Transfer Switch Models other than Model RXT