Thermo King KD-II SR, Manual

Page: 17 / 182

Specifications (Rev. 04/03)
3
ELECTRICAL CONTROL SYSTEM
Control System Voltage 12.5 Vdc
Battery Charging System 12 V 23 amp brush type integral alternator
Voltage Regulator Setting 14 V @ 70 F (21.1 C)
Alternator/Regulator Capacitor 4.7 mfd 50 Vdc
Alternator/Output Capacitor 0.5 mfd 100 Vdc
NOTE: Disconnect components from unit circuit to check resistance.
ELECTRICAL COMPONENTS
Current Draw (Amps) Resistance—
at 12.5 Vdc
(Ohms)
Glow Plug 8.3 1.5 ± .15
Fuel Solenoid: Pull In
Hold In
18 to 25 0.5 to 0.7
0.9 to 1.1 11 to 13
Pilot Solenoid 0.657 19
Starter Motor 90 to 105 (cranking)
Damper Solenoid 5.7 2.2
DC Circuit Breakers 50 amp
High Speed Solenoid 5 amp (approx.) 2.5 (approx.)
Electrical Standby Compressor Motors (Model 50 Unit Only)
Voltage/Phase/Frequency
Horse-
power Kilowatts rpm
Full Load
(amps)
Locked
Rotor
Amps
Unit Full
Load*
Amps
220/3/50 4.2 3.1 1450 12.7 55 12.7
230/1/60 5 3.7 1750 18 80 25
230/3/60 5 3.7 1750 14.4 58 21
460/3/60 5 3.7 1750 7.2 58 12
380/3/50 4.2 3.1 1450 7.3 55 12
*w/Heater Strips
Electric Heater Strips (Optional): Number
Watts (each)
3
750