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Additional information
Description
The little power house
The WhisperPower Genverter© Piccolo 4 is the smallest, quietest and most powerful of its kind. Thanks to the electronic PMG inverter output, it delivers the ideal power quality for all your comfort equipment such as a washing machine, small air conditioning system, electrical cooking hob, battery chargers and inverter/charger combinations.
Unique engine
All Piccolo 4 models are fitted with a modern diesel engine designed by WhisperPower, entirely for the purpose of generating power the smooth way. The engine is cooled by a heat exchanger designed for indirect water-cooling. The circulation water pump is driven by a PTO (no belt). This WhisperPower engine operates between 2800 and 3600 rpm.
All Specifications: Piccolo 4 | 120 VAC | 60 Hz
| ARTICLE NUMBER | |
|---|---|
| 49002055 | Piccolo 4 – Adjustable, 120 VAC | 60 Hz |
| 49002056 | Piccolo 4 – Ungrounded, 120 VAC | 60 Hz |
| 49012055 | Piccolo 4 – Variable speed |
| 49012056 | Piccolo 4 – Variable speed / Ungrounded |
| MAIN SPECIFICATIONS | |
|---|---|
| Intermittent Power kW at 25ºC (77ºF) | 3.5 kW |
| Continuous Power kVA at 25ºC (77ºF) | 3.5 kVA |
| Noise level | 54 dB(A) at 7 m, 65 dB(A) at 1m |
| Rpm range | 2800 .. 3600 rpm, adjustable |
| Alternator technology | Permanent magnet |
| Generator cooling | Air cooled |
| Generator control | PMG |
| Control panel | PMG + PMG Remote |
| Inverter Module | PMG frame 1 |
| Nominal voltage / frequency | 1 Phase | 120 VAC | 60 Hz |
| Phase/wire | 1 Phase, 3 wires |
| Peak power 2 s | 200% |
| Harmonic distortion | < 5% |
| Frequency tolerance | +/- 0,1% |
| DIESEL ENGINE SPECIFICATIONS | |
|---|---|
| Engine | WhisperPower WP1 |
| Displacement | 309 cc |
| Cylinders | 1 |
| Bore & stroke, mm (in.) | 78 x 67 (3.1 x 2.6) |
| Compression ratio | 21.1 |
| Air consumption | <0.42 m3 / min |
| Cooling system | Heat exchanger |
| Fuel consumption (no load – full load) | 0.8-1.2 l/hr |
| DIMENSIONS & WEIGHT | |
|---|---|
| Length x width x height (cabinet), mm (in.) | 450 x 470 x 520 (17.7 x 18.5 x 20.5) |
| Length x width x height (PMG), mm (in.) | 436 x 207 x 151 (17.2 x 8.1 x 5.9) |
| Dry weight (cabinet + PMG), kg (lb.) | 68 + 7.6 (150 + 16.8) |
| Exhaust type, mm (in.) | Ø 40, wet (1.6) |
| Max. operating angle | 25º in all directions |
Optional installation parts
Spare parts
Unique Genverter Technology
The Piccolo generator is a combination of a diesel engine with integrated alternator and an inverter, hence the name Genverter. Key feature of this technology is the quality of the output combined with the surge power capability. Within a certain window of the rotating speed of the diesel engine, the PMG delivers the correct power quality to operate comfort equipment, such as washing machines, air-conditioning, electrical cooking devices and various other AC appliances.
Ready to install
The Piccolo 4 diesel generator comes complete with all the fittings needed to connect the generator to the fuel tank, hoses needed to connect the engine to the cooling system, cables to connect the starter engine to the starter battery and electrical wiring to connect the Piccolo to the 120 V on-board power system. Learn more about the Piccolo via WhisperTV.
Piccolo 4 installation video
Discover our Youtube channel Whisper TV. Full with instruction videos about our generators and total energy systems.
See a practical installation example from the Piccolo 4:
Why inverter technology
Devices such as air conditioning units and electric motors are often controlled by electronics to improve the efficiency and performance. Traditional generators may fail to operate these appliances. All Piccolo models are equipped with a PMG module (Power Module Genverter©) to ensure that the voltage and frequency within the rotating speed range remain perfect so that all the equipment continues to run without interruption. Surge power is generated by the PMG to start up inductive loads.
![Quote Glenn Doncaster[6]](https://www.whisperpower.com/content/uploads/2023/04/Quote-Glenn-Doncaster6-150x150.jpg)
Glenn Doncaster, Virginia, USA
“After replacing two other generators in my previous boat, I’m delighted with the variable speed nature of the Piccolo 4 installed in my new Arcona 465 Carbon. Because it’s been paired with a lithium battery system, I can constantly keep my air conditioning on and only start the generator when I need to charge. Weight is also significant since I use the boat for long-distance offshore racing.”
“The Piccolo efficiently delivers 3.5 kW and only weighs 150 lbs. The noise and vibrations are minimal too. I’m very pleased all around.”
Piccolo 4 maintenance guide
In this extensive maintenance guide, we thoroughly explore the crucial maintenance aspects of the Piccolo 4 WhisperPower diesel generator. Our utmost priority is to ensure that your generator operates continuously at 2800/3600 rpm, regardless of the circumstances.
3.5 kVA / 3.5 kW
Adjustable speed
1 Phase | 120 VAC | 60 Hz
Output Voltage
450 x 470 x 520 mm, 78 kg
17.7 x 18.5 x 20.5 in., 150 lb.
Installation solution
High class installation parts
A system is only as strong as its weakest link. WhisperPower has developed literally all components and products needed for a perfect installation. Main objective is to ensure a superior installation. All these installation accessories are supplied as kits: the water-cooled exhaust system in various variants including high-quality certified rubber hoses, the metal strainer with hoses and valves, the siphon breaker, the fuel filter, the starter battery with additional battery charger, copper cables etc. Everything high-quality, from a single address. Learn more about How to Install A Piccolo Generator.
Any space will do
All our Piccolo models are extremely compact and can be installed in the smallest location. Only minor air ventilation is needed.
Advanced totalsystem
We offer complete single brand solutions for the complete on board electrical power system, everything from one hand. If needed supplied with inverter, charger (or combi), lithium/lead acid batteries and WhisperCare remote access.
- Complete compact power system
- Easy to install and connect
- Automatic start/stop, easy to activate
- WPC inverter/charger combination with charge power, 12/24 VDC
- Automatic transfer Switch shore/generator/inverter
- Easy to use TOUCH 7 all-in-one monitoring panel with smart Ah read-out
- Suitable for WhisperPower’s AGM, GEL or lithium batteries
- Available for WhisperCare remote read-out
- Optional alternator with ACR voltage regulator, 12/24 VDC
Quiet & vibration free
Vibrations are just as irritating as an over noisy diesel engine. The customized shock mounts, combined with the sound enclosure, result in a super silent and virtually vibration free set-up. All parts needed to be serviced are located at one side of the Genverter. The effective engine mounting inside the enclosure result in a audible noise level of less than 55 dBA and virtually no vibration
Picture: detail of our WhisperPower WP 1 diesel engine (Shockmount integrated in engine block).