Installation
2–8 975-0082-01-01
Table 2-1
Contact numbers and functions
Wire
number Function
Wiring harness
wire color
1 Thermostat 1 input Yellow
2 Thermostat 1 return Gray
3 Thermostat 2 input Orange
4 Thermostat 2 return Gray
5 External shutdown input White/Black
6 External shutdown return Gray
7 External manual on input White/Green
8 External manual off input White/Red
9 External On/Off LED Indicator output White/Blue
10 Constant 12/24 V B+ (battery positive) for
External On/Off/LED Indicator
Red
11 External On/Off/LED Indicator return (connected
internally to wire number 13)
Black
12 Generator run signal (switched B+) sense input Violet
13 Generator run signal (switched B+) sense return
(generator battery negative)
Black
14 Relay 1 (Generator run/stop) Normally open
contact
Blue
15 Relay 1 (Generator run/stop) Normally closed
contact
White/Violet
16 Relay 1 (Generator run/stop) Common contact Gray
17 Relay 2 (Generator start) Normally open contact White
18 Relay 2 (Generator start) Common contact Gray
19 Relay 3 (Preheat/cooldown) Normally open
contact
Brown
20 Relay 3 (Preheat/cooldown) Common contact Gray
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