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Specifications
17
Electrical Components
NOTE: Disconnect components from unit circuit to check resistance.
Component
Current Draw (Amps)
at 12.5 Vdc
Resistance—Cold
(Ohms)
Fuel Solenoid:
Pull-in Coil
Hold-in Coil
35 to 45
0.5
0.2 to 0.3
24 to 29
High Speed (Throttle) Solenoid
2.9
4.3
Air Heater
60-70*
0.14
Pilot Solenoid
0.7
17.0
Electronic Throttling Valve:
Coil A (Red [EVA] and Blue [EVB] Wires)
Coil B (Black [EVC] and White [EVD] Wires)
—
—
20 to 35
20 to 35
Hot Gas Bypass Valve (if used)
1.1
11.1
Starter Motor
350-475**
* Typical current draw during preheat.
** On-the-engine cranking check. Bench test is approximately 140 amps.
AC Generator
Low Engine Speed (1450 rpm) Output
High Engine Speed (2200 rpm) Output
230 Vac at 59 Hz Nominal Vac - Measured Vac, Load
Dependent
345 Vac at 90 Hz Nominal Vac - Measured Vac, Load
Dependent
Fan Motors
Evaporator Fan Motor: Low Speed Power Rating
High Speed Power Rating
High Fan Speed at Low Engine Speed
Low Fan Speed at High Engine Speed
Low Fan Speed at Low Engine Speed
High Speed Current Draw at Low Engine Speed
Low Speed Current Draw at High Engine Speed
Low Speed Current Draw at Low Engine Speed
1.20 hp (0.90 kW)
1.75 hp (1.31 kW)
1770 rpm at low engine speed (1450 rpm)
1800 rpm at high engine speed (2200 rpm)
1180 rpm at low engine speed (1450 rpm)
3.8 amps at low engine speed (1450 rpm)
3.1 amps at high engine speed (2200 rpm)
2.6 amps at low engine speed (1450 rpm)
Condenser Fan Motor (each:
Power Rating
Fan Speed at Low Engine Speed
Fan Speed at High Engine Speed
Current Draw at Low Engine Speed
Current Draw at High Engine Speed
0.50 hp (0.37 kW)
1770 rpm low engine speed (1450 rpm)
2700 rpm at high engine speed (2200 rpm)
1.8 amps (per motor) at low engine speed (1450 rpm)
2.0 amps (per motor) at high engine speed (2200 rpm)
Electrical Standby (SmartPower Units Only)
NOTE: A transformer is used to convert 460 Vac to 230 Vac for the condenser and evaporator fan
motors in units configured to use electric standby input voltage of 460 Vac.
Electric Motor and Overload Relay
Voltage/Phase/Frequency
Horsepower
Kilowatts
rpm
Full Load
(amps)
Overload Relay
Setting (amps)
230/3/60
12.0
9.0
1760
31.2
34
460/3/60
12.0
9.0
1760
15.6
20
460/3/60
19.0
14.2
3500
21.7
32