MODEL MQP20P
Operation and Parts Manual
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES
20kW Standby generator
proposition 65 warning
Diesel engine exhaust and some of
Page
Installation
Table of Contents
Component Drawings
Inspection/Setup
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SaFeTY SYMBOlS
Safety Information
SaFeTY MeSSageS
DaNgeR
Safety Information
geNeRal SaFeTY
geNeRaTOR SaFeTY
NeveR lubricate components or attempt service on a running machine
eNgiNe SaFeTY
Safety Information
DaNgeR
Safety Information
Fuel SaFeTY
TOWiNg SaFeTY
DaNgeR
power Cord/Cable Safety
eleCTRiCal SaFeTY
grounding Safety
death
Safety Information
BaTTeRY SaFeTY
eNviRONMeNTal SaFeTY
DaNgeR
Phase
SPECIFICATIONS
Model
Battery
DIMENSIONS
Figure 2. Typical Generator Grounding Application
installation
NOTE GROUND LUG MUST BE INSTALLED BY USER
GENERATOR GROUND LUG
Mounting
Outdoor Installation
Indoor Installation
Generator Grounding
general information
Generator
Camlok outlet box panel
Engine
principle of operation
VOLTAGE REGULATION
ElectrONIC Governor System
ITEM NO
major components
Table 4. Generator Major Components
DESCRIPTION
basic engine components
Table 5. Basic Engine Components
DESCRIPTION
digital controller panel
Figure 5. Digital Controller Components
MAIN CIRCUIT BREAKER
connector outlet box and main circuit breaker
outlet connectors
Single Phase
load application/generator output
Single Phase Load
Table 6. Power Factor By Load
Generator Amperage
Lubrication Oil
inspection/setup
Refueling Procedure
Fuel Check
DO NOT fill on unlevel ground
when heated
ONLY use #2 diesel fuel when refueling
inspection/setup
Battery
Cleaning the Radiator
Air Cleaner
Coolant Antifreeze/summer coolant
Alternator
Battery Cable Installation
Wiring
Piping and Hose Connection
Starting Manual
startup
Before Starting
Starting Auto Mode
CLOSING THE ENCLOSURE DOOR
Normal Shutdown Procedure
emergency Shutdown Procedure
startup
120 VAC power source
JacketWater Heater and Internal Battery Charger
Jacket Water Heater Battery Charger Connect to external
Figure 21. Battery Charger and Jacket Water Heater Power Connections
protective devices
protective devices
LIFTING
transporting
TRANSPORTING
CHAIN
General Inspection
maintenance
Air Filter Dust Indicator
Air FILTER
Removing Water from the Fuel Tank
Cleaning Inside the Fuel Tank
Fuel Addition
Fuel Tank Inspection
Flushing Out Radiator and Replacing Coolant
Radiator Cleaning
voltage regulator adjustments
Potentiometers
Adjustment Procedure
Generator Storage
maintenance
Symptom
Troubleshooting Generator
Troubleshooting Generator
Possible Problem
Symptom
Troubleshooting engine
Troubleshooting Engine
Possible Problem
Symptom
troubleshooting controller
Troubleshooting MEC20 Controller
Possible Problem
Symptom
Troubleshooting MEC20 Controller - continued
troubleshooting controller
Possible Problem
Symptom
troubleshooting VOLTAGE REGULATOR
Troubleshooting Voltage Regulator
Possible Problem
J1 E1
MAINTENANCE PARTS LOCATOR
Figure 28. Maintenance Parts Locator
K1 B1
generator Wiring Diagram single phase
CONTROL BOX
CIRCUIT BREAKER BOX
generator Wiring Diagram single phase
SADDLE BOX
GENERATOR
generator Wiring Diagram three phase
generator Wiring Diagram three phase
505 K1
505 505
NO. Column
SaMple paRTS liST
Explanation of Code in Remarks Column
paRT NO. Column
Suggested Spare Parts
MQP20P with PERKINS 404D-22 DIESEL ENGINE 1 to 3 units
Description
Housing assy
Housing assy
PART NAME
REMARKS
HOUSING ASSY., PAINTED WHITE, W/ INSULATION
Engine and Generator Mounting assy
Engine and Generator Mounting assy
PART NAME
EE46389
Fuel assy
To TB1-20
REMARKS
Fuel assy
PART NAME
CAP, FUEL TANK, LOCKING 2IN NPT
Electrical assy
Power Source
To External
MAGNETIC PCKUP W/ WIRES RED/BLCK
CHARGER, BATTERY, AUTO, FLOAT EQ
BATTERY, MAINT. FREE, GROUP 24
Electrical assy
To External Power Source
Jacket Water HEater assy
REMARKS
Jacket Water HEater assy
PART NAME
EE40205
Solenoid assy
REMARKS
Solenoid assy
PART NAME
EE2916
Radiator assy
Radiator Connection
PART NAME
KIT, WIRING HARNESS COOLANT SENSR
Radiator assy
REMARKS
Air filter assy
PART NAME
NOT SERVICED SEPARATELY
Air filter assy
REMARKS
Engine exhaust assy
Engine exhaust assy
PART NAME
EE54297
Engine Oil assy
REMARKS
Engine Oil assy
PART NAME
VALVE, LOCKING BALL, BRASS, 1/2IN FNPT
control panel assy
REMARKS
control panel assy
PART NAME
FRAME, BOX, CONTROL AND CIRCUIT BREAKER
Controller assy
To Engine
RELAY, 8 BLADE DPDT, 12VDC, 10A
Controller assy
PART NAME
CONTROLLER, SPEED UNIT, 12/24V
saddlebox assy
REMARKS
saddlebox assy
PART NAME
BLOCK, MIDGET FUSE TYPE, 3 POLE
Circuit breaker assy
REMARKS
Circuit breaker assy
PART NAME
BUS BAR, LONG, 1/4 IN COPPER BAR
Ground
camlok assy
11 12 13 14
Circuit
REMARKS
Camlok assy
PART NAME
BOX, CONTINUOUS HINGE, HOFFMAN
paYMeNT TeRMS
Terms and Conditions of Sale - Parts
SpeCial expeDiTiNg SeRviCe
FReigHT pOliCY
Page
Service Department
HERE’S HOW TO GET HELP
PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING
Warranty Department