APD-NG40 product details and specifications:

General Characteristics 

• Model Name: APD-NG40 

• Engine Make: PSI 

• Engine Model: 4.3L 

• Alternator Make: Stamford 

• Control Panel Make & Model: DSE 7320 MK II 

• Frequency & Speed: 60Hz, 1800rpm 

• Enclosure Make & Model: AKSA AUL 31/32 

Genset Rating 

• PSI 4.3L / UCI224D (Wnd-311): 480/277V, PF 0.8 — NG 40kW/60A, LP 40kW/60A 

• PSI 4.3L / UCI224D (Wnd-311): 240/120V 1ph, PF 1 — NG 37kW/155A, LP 40kW/166A 

• PSI 4.3L / UCI224D (Wnd-311): 208/120V, PF 0.8 — NG 40kW/138A, LP 40kW/138A 

• PSI 4.3L / PI144J (Wnd-17): 600/347V, PF 0.8 — NG 40kW/48A, LP 40kW/48A 

• PSI 4.3L / UCI224D (Wnd-311): 240/120V, PF 0.8 — NG 40kW/120.3A, LP 40kW/120.3A 

• EPA Certified for Emergency Stationary Applications 

Engine Data 

• Manufacturer: PSI 

• Model: 4.3L 

• Displacement & Cylinders: 4.3L / 6 Cylinders 

• Engine Type: V-type, 4 Cycle 

• Engine Speed: 1800rpm 

• Engine Standby Power NG: 58.18 kW 

• Engine Standby Power LP: 61.27 kW 

• Aspiration: Naturally Aspired 

• Compression Ratio: 9.4 : 1 

• Bore / Stroke: 101.6 mm / 88 mm 

• Governor Type: Electronic 

Fuel System 

• Fuel Type: NG, LP Gas / Dual Fuel 

• Min NG Supply Pipe Size: 1-1/4” NPTF 

• Min LPG Supply Pipe Size: ¾” 

• Maximum EPR Rated Pressure: 6.9 kPa / 1.0 psi 

• Max Pressure to EPR: 2.7 kPA / 11.0 inH2O 

• Min Pressure to EPR: 1.7 kPA / 7.0 inH2O 

Fuel Consumption 

• Standby Power 100%: NG 600 cfh (17.0 m3/hr) / LP 245 cfh (6.9 m3/hr) 

• Standby Power 75%: NG 500 cfh (14.1 m3/hr) / LP 200 cfh (5.7 m3/hr) 

• Standby Power 50%: NG 380 cfh (10.7 m3/hr) / LP 150 cfh (4.2 m3/hr) 

• Standby Power 25%: NG 250 cfh (7.1 m3/hr) / LP 100 cfh (2.9 m3/hr) 

Electric System 

• System Voltage (DC): 12V 

• Battery Qty, Rating: 1 x 54Ah 

Cooling System 

• Radiator Cooling System Type: Closed Circuit 

• Coolant Capacity, Engine Only: 7.75 quart 

• Cranking Temperature: 160˚F 

• Full Open Temperature: 185˚F 

Exhaust System 

• Type: Air Cooled Manifold 

• Max Allowable Back Pressure: 10.2 kPa 

• Cont. Rating Catalyst Configuration: No Catalyst 

• Exhaust Gas Flow at Rated Power @ 1350˚F: 361.9 cfm 

Air Intake System 

• Combustion Air Required: 112.1 cfm 

• Max Intake Air Restriction (Clean Element): 1.49 kPa / 3 inH2O 

• Air Filter Type: Dry Paper Element 

Lubrication System 

• Oil Specifications: SAE 5W-30 API Rating SM or Newer 

• Oil Pan Capacity: 4.5 Qts 

• Oil Filter; Qt, Type: 1, Cartridge 

• Max Allowable Oil Temp: 250˚F 

Alternator Data 

• Manufacturer: Stamford 

• Standards: BS EN 60034 

• Control System: PMG 

• A.V.R.: MX341 

• Voltage Regulation: ± 1 % 

• Insulation System: Class H 

• Protection: IP23 

• Rated Power Factor: 0.8 

• Stator Winding: Double Layer Concentric 

• Winding Pitch: Two Thirds 

• Winding Leads: 12 

• Telephone Interference: THF < 2 % 

• Waveform Distortion: No Load < 1.5 % 

• Maximum Overspeed: 2250 rev/min 

Controller Data 

• Manufacturer: DSE 

• Model: 7320 MK II 

Controller Features & Benefits 

• Microprocessor controlled, UL & NFPA110 Compatible 

• License free PC Software (Non-proprietary Software) 

• IP65 rating offers increased resistance to water ingress 

• Modules can be integrated to building management systems 

• Real time clock provides accurate event log 

• Four line back-lit LCD text display 

• Five key menu navigation, two wire start/stop at Auto mode 

• Front panel editing with PIN protection 

• Support up to three remote display modules 

• Configurable timers and alarms 

• Multiple date and timer scheduler 

• Integral PLC editor 

• 'Protections disabled' feature 

• Load switching (load shedding and dummy load outputs) 

• Fully configurable via DSE Configuration Suite PC Software 

• SCADA monitoring via DSE Configuration Suite PC Software 

Protection & Instruments 

• Gen. Voltage – under / over; Gen. Voltage (L-L/L-N) 

• Gen. Freq. – under / over; Gen. Frequency 

• Engine Speed – under / over; Engine speed 

• Engine Oil Pressure – low; Oil Pressure 

• Engine Temp – low / high; Water Temperature 

• Battery Voltage – low / high; Battery Voltage 

• Weak Battery; Run Time 

• Fail to Start / Stop; Phase Sequence 

• Charge Alternator Fail; Power monitoring (kWh/kVAh/kVArh) 

• Over Current & Load (kW/kVAr); Power (kWh/kVAh/kVArh) 

• Unbalanced Load; Power Factor 

• Independent Earth Fault; Generator Current 

• Reverse Power; Generator Load (%) 

• Loss of Speed Signal; Earth Current 

Battery Charger & Electrical System Data 

• Manufacturer: ComAp 

• Model: InteliCharger 

• Input Voltage: 85V ~ 264V AC 

• Output Voltage / Current: 13.8V Float / 4A pk 

Jacket Water Heater Data 

• Manufacturer: Hotstart 

• Model: TPS101GT10-000 

• Input Voltage: 120V 

• Power: 1000W 

Enclosure Features 

• Heavy Duty Steel / Aluminum Structure 

• E-Stop on Enclosure 

• Control Panel Eliminated from Engine Vibrations 

• Standard Sound Attenuation Foam 

• Plastic Covered Corrosion Resistant Locks & Hinges 

• Internally Mounted Exhaust System with Rain Cap 

• Coolant Fill Cap 

• Removable Base Frame Lifting Hooks 

• Oil & Coolant Drain Ports 

• Easy Access for Maintenance 

Dimensions & Weight 

• Open Skid: Length 72 in, Width 39 in, Height 38 in, Dry Weight 1600 lbs. 

• Enclosed Level 1: Length 89 in, Width 39 in, Height 56 in, Dry Weight 2300 lbs., Sound Pressure @ 7m 69 dBA 

• Enclosed Level 2: Length 89 in, Width 39 in, Height 69 in, Dry Weight 2600 lbs., Sound Pressure @ 7m 65 dBA 

Standard Features & Accessories 

• UL2200 Certification 

• Heavy Duty Steel Base Frame 

• PMG 

• Engine Jacket Water Heater 

• Battery and Battery Rack 

• Battery Charger 

• Anti Vibration Pads between Engine/Alternator & Base Frame 

• Critical Grade Silencer Inside Enclosure 

• Residential Grade Silencer Set for Open Skid Sets 

• Exhaust outlet rain cap and radiator fill cap 

• Sound Absorb Foam Material for Enclosure 

• Emergency Stop Button 

• Oil Drain Valve 

• Coolant Drain Valve 

• Jacket Water Heater Isolation Valves 

• Flex Fuel Lines 

• Secondary Lock-off Valve on Baseframe 

• Engine Manifold Cover 

• Turbocharger Cover 

• Protection Covers for Rotating Parts 

• Exhaust Insulation Cover 

• Enclosure DC Light 

• Operations Manual 

• 24 Months / 2000 hours Limited Standby Warranty 

Optional Accessories 

• Main Line CB (3 / 4 Poles – 80% / 100% rated) 

• Upsize Alternator 

• Anti-condensation Heater 

• Voltage Regulation ±0.5% w/MX321 AVR 

• Gas Regulator 

• NG / LP Auto Changeover Control System 

• Low Gas Pressure Alarm 

• Low Coolant Level Alarm 

• Oil Pan Heater 

• Oil Temperature Display on Controller 

• Manual Speed Adjust Rheostat 

• Manual Voltage Adjust Rheostat 

• Remote Annunciator Panel 

• Remote Control & Monitoring Panel 

• Advanced SMS Messaging 

• Control Panel Heater 

• Battery Disconnect Switch 

• Battery Heater 

• Battery Charger 10/20 Amp 

• Shunt Trip / Aux Contacts 

• Spring Anti-vibration Isolators 

• Automatic Transfer Panel (ATS) 

• 5 Years / 2000 hours Limited Comprehensive Warranty 

Codes & Standards 

• Designed and manufactured in a facility certified to ISO9001 

• Designed and manufactured in a facility certified to ISO14001:2015 

• AKSA Power Generation provides single source responsibility for the generator set & accessories 

• Prototype tested and production tested according to the UL test program 

• Meets NFPA70, 99, 110, 37 Level 1 when equipped with the necessary accessories and installed per NFPA standards (engine must have a fast start kit for NFPA110 Level 1) 

product specifications:

product related documents:

APD-NG40.pdf