Kohler 20-2250 kW Operation page 67

Terminal on
TB1 (TB1A) or
TB3 (TB1B)
Purpose
1 Ground. Emergency stop relay (K4). Connect emergency stop across terminals TB1-1 and 1A. *
1A Emergency stop relay (K4) coil; negative side. Connect emergency stop across terminals TB1-1 and 1A. *
2 Ground terminal.
Overcrank (OC) signal. [
12
Auxiliary (AUX) signal. [
26
Common fault/prealarm line 1. audiovisual alarm or common fault relay activated by OC, 12; AUX, 26; LWT, 35; HET,
32
36; LOP, 38; OS, 39; AHET, 40; ALOP, 41; and LF, 63 faults.
Common fault/prealarm line 2. audiovisual alarm or common fault relay activated by AUX, 26; HET, 36; LOP, 38; OS, 39;
32A
and ES, 48 faults.
35 Low water temperature (LWT) signal.
High engine temperature (HET) signal. [
36
Low oil pressure (LOP) signal. [
38
Overspeed (OS) signal. [
39
Anticipatory high engine temperature (AHET) signal. [
40
Anticipatory low oil pressure (ALOP) signal. [
41
Battery voltage (fuse #1 protected).
42A
Accessory power supply; Customer may also provide separate accessory power source.
Emergency stop (ES) signal. [
48
56 Air damper (AD) switch.
System ready signal. [
60
61 Battery charger fault. Connect battery charger alarm contact to activate fault lamp (active low) (if used).
62 Low battery volts. Connect battery charger alarm contact to activate fault lamp (active low) (if used).
63 Low fuel (LF) fault. Connect fuel level sensor to activate fault lamp (active low) (if used).
70C Generator in cool down mode signal.
70R Generator in running mode signal.
Not in auto signal. [
80
* Connect jumper across terminals 1 and 1A if emergency stop switch is not used.
[ Use a remote annunciator and/or audiovisual alarm kit as an indicator with a dry contact kit connected to controller terminal strip
TB1 (TB1A) and TB3 (TB1B).
Figure 6-37 16-Light Controller TB1 (TB1A) and TB3 (TB1B) Terminal Strips
TP-6161 1/12 Section 6 Accessories 67