TK 61555-2-MM-EN
17
Electrical Control System
Table 4.
Voltage
12.5 Vdc (nominal)
Battery
Wet Cell: 12 volt, AHr Rating - 92AHrs, 760 Cold Cranking Amps at -18°C
EON: 12 volt, AHr Rating - 64AHrs, 880 Cold Cranking Amps at -18°C
Battery Charging (Alternator)
37 ampere brush type (optional: 65 ampere brush type)
Voltage Regulator Setting
(Alternator)
13.8 to 14.2 volts @ 25°C
Electrical Components
Table 5.
Note:
Disconnect components from the unit circuit to check resistance.
Component
Current Draw (Amperes) at
12.5 Vdc
Resistance (Ohms)
Starter Motor
350 to 475 (cranking)
Air Heater
89
0.14
Fuel Solenoid
Pull-in Coil
Hold-in Coil
35 to 45
0.5 or 1.0
0.2 to 0.3
24 to 29
Throttle Solenoid
2.0
4.3
Pilot Solenoid
0.7
17.0
Damper Motor
2.1
6.0
Damper Gear Motor
2.5 to 3.1
4.0 to 5.0
Modulation Valve (if used)
1.7
7.6
Hot Gas Bypass Valve (if used)
1.1
11.1
