Kohler 14RESA Installation Manual page 29

Cable Size for PWR and COM Connections
20 AWG Belden #9402 or equivalent, two-pair
20 AWG Belden #1075A or equivalent, two-pair
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 in Section 1.10.2.
Figure 1-23 Total Cable Lengths for PWR and COM Connections
Generator Set
Note: See Section 1.10.2, Cable Specifications.
1. Generator set terminal block. See Figure 2-4 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 1/15
Indoor or
Outdoor
Installation
GND
A
A
RBUS
B
B
PWR
PWR
12 VDC
COM
COM
4
3
1
Maximum length per run, meters (ft.)
Number of Modules per Run
1 Module
Indoor
61 (200)
Outdoor
61 (200)
— 152 (500)
— 152 (500)
2
3
A
B
PWR
COM
A
B
PWR
COM
5
5
2 Modules
31 (100)
31 (100)
152 (500)
152 (500)
4
RXT
A
B
PWR
COM
PIM
A
B
PWR
COM
A
LCM
B
or load
PWR
shed kit
COM
Section 1 Installation
3 Modules
21 (67)
21 (67)
122 (400)
152 (500)
27