Kohler 14/20RESAL Installation Manual page 27

Cable (TB1- -PWR and COM)
Belden #9402 or equivalent 20AWG
for indoor installations
Belden #1075A or equivalent 20AWG
for outdoor installations or buried
cables
14 AWG *
12 AWG *
* Use 12 or 14 AWG cable for PWR and COM connections only. For RBUS connections A and B, use shielded, twisted pair communication
cable specified above.
Figure 1-23 Total Cable Lengths for PWR and COM Connections
Generator Set
Note:
Connect A to A, B to B, PWR to PWR, and COM to COM.
See Section 1.10.2, Cable Specifications.
* RXT transfer switch with standard or combined interface/ load management board.
Do not use a load shed kit with a combined interface board.
1. Generator set terminal block. See Figure 1-17 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.
4. Connect shields together as shown.
5. Leave one end of each cable shield disconnected at the last device.
Figure 1-24 Accessory Module Communication Connection Details
TP-6803 6/15
Number of Modules (RXT, APM, PIM, and/or load management device) per Run
1 Module
46 (150)
46 (150)
137 (450)
137 (450)
GND
A
A
RBUS
B
B
PWR
PWR
12 VDC
COM
COM
4
3
1
Maximum length per run, meters (ft.)
2 Modules
15 (50)
15 (50)
137 (450)
137 (450)
2
3
A
B
PWR
COM
A
B
PWR
COM
5
PWR
COM
5
3 Modules 4 Modules
5 (17) Do not use 20AWG
for PWR and COM
5 (17) Do not use 20AWG
for PWR and COM
107 (350) 107
137 (450) 137
4
RXT*
A
B
PWR
COM
PIM
A
B
PWR
COM
A
Load
B
Shed
Kit
Section 1 Installation
(350)
(450)
27