Product Manual
Table Of Contents
- Section 1: Introduction and Safety
- Section 2: General Information
- Section 3: Operation
- Pre-start Checklist
- Manually Starting the Unit
- AUTO (Remote) Starting the Unit
- Wet Stacking
- Cold Weather Operation
- Using a Booster Battery or Charger (if equipped)
- Generator Output Connections
- Generator Cam Lock Connections (If Equipped)
- Using the Voltage Selector Switch
- Fine Voltage Adjustment
- Voltage Regulator
- Achieving 240V Three-Phase in 208V Three-Phase (Parallel Low Wye) Configuration
- Customer Convenience Receptacles
- Main Circuit Breaker
- Transfer Switch
- AUTO Exercise Timer
- Shutting Down the Unit
- Emergency Stop Switch
- Idle Switch
- Using the ECU Override Switch
- Towing the Unit
- Lifting the Unit
- Section 4: Maintenance
- Section 5: Troubleshooting
- Section 6: Wiring Diagrams and Service Log
- Wiring Diagram - 3 Position AC Box
- Wiring Diagram - 4 Position AC Box
- Wiring Diagram - Receptacles
- Wiring Diagram - Engine Heater
- Wiring Diagram - Wiring Buck (If Equipped)
- Wiring Diagram - Power Zone PMG
- Wiring Diagram - Power Zone Control Box
- Wiring Diagram - Trailer Lights
- Wiring Diagram - Brake Wiring
- Wiring Diagram - 12V Battery Charger
- Wiring Diagram - Power Zone Low Oil Level (If Equipped)
- Service Log
Owner’s Manual for MDG25IF4 11
General Information
Section 2: General Information
Specifications
Description Units MDG25DF4
Engine
Make —
Isuzu
®
Model — 4LE2T
EPA Tier — Tier 4 Final
Rated Engine Power Output hp (kW) 33.5 (25)
Engine Speed rpm 1800
Fuel consumption—100%: Standby / Prime gph (Lph) 2.3 (8.6) / 2.0 (7.4)
Fuel consumption—75%: Standby / Prime gph (Lph) 1.7 (6.5) / 1.6 (6.1)
Fuel consumption—50%: Standby / Prime gph (Lph) 1.2 (4.4) / 1.1 (4.2)
Battery voltage V (quantity per unit) 12 (1)
Battery rating CCA 720
Generator
Make — Marathon Electric
Model — 282PSL1705
Power output 3Ø standby kW (kVA) 25 (31)
Current output 3Ø standby - 480V (208V) A 37 (86)
Power output 3Ø prime kW (kVA) 20 (25)
Current output 3Ø prime - 480V (208V) A 30 (70)
Power output 1Ø standby kW (kVA) 25 (25)
Current output 1Ø standby - 240V A 104
Power output 1Ø prime kW (kVA) 20 (20)
Current output 1Ø prime - 240V A 83
Power Factor kW (kVA) 1 (1Ø) / 0.8(3Ø)
Frequency Hz 60
Weights
Dry weight—skid mounted lb (kg) 1,977 (896)
Operating weight—skid mounted lb (kg) 2,373 (1,076)
Dry weight—trailer mounted lb (kg) 2,246 (1,018)
Operating weight—trailer mounted lb (kg) 2,642 (1,198)
Capacities
Usable fuel gal (L) 48 (181)
Coolant system gal (L) 4.4 (16.7)
Oil qts (L) 11 (10.4)
Maximum run time hours 24
AC Distribution
Circuit breaker size A 125