The Quiet Home Generator is a 20kW liquid-cooled diesel genset engineered for dealers, EPC contractors, and OEM distributors supplying automatic backup power to single-family homes, small commercial units, and light-duty rural electrification projects.
Product Parameters
|
Parameter |
Specification |
|
Prime / Standby Power |
20 kW / 22 kW |
|
Voltage / Frequency |
120/240V, 60 Hz, Single Phase |
|
THD |
<5% |
|
Noise Level |
62 dB(A) at 7 m |
|
Engine |
3-Cylinder, Liquid-Cooled, 4-Stroke Diesel, 1.5L Displacement |
|
Engine Speed |
3600 rpm |
|
Fuel Type |
#2 ULSD Diesel |
|
Fuel Consumption |
1.85 gal/hr at 100% load; 1.05 gal/hr at 50% load |
|
Operating Temperature |
-30°C to 40°C |
|
Alternator |
Class H Insulation, AVR |
|
Control System |
Digital Auto-Start; Voltage, Frequency & Hour Monitoring |
|
Enclosure / Dimensions / Weight |
Weatherproof Acoustic Steel Canopy; 1219 × 635 × 737 mm; 245 kg |
Installation Requirements
Footprint & Clearance: Mount on a level 4-inch concrete pad or compacted gravel base, maintaining a strict 3-foot clearance from building openings per NFPA 37 fire safety requirements.
Exhaust Directionality: Top-vented vertical exhaust routes carbon monoxide and hot airflow directly skyward, preventing fumes from re-entering adjacent residential windows or patio areas.
Vibration Dampening: Internal multi-point anti-vibration mounts isolate engine vibration, helping prevent concrete pad cracking while keeping overall operating noise at 62 dB(A) at 7 meters.
Wiring Connection: Color-coded terminal lugs connect directly to standard 200A Automatic Transfer Switches (ATS).
Engine & Alternator Configuration
Liquid-Cooled 3-Cylinder Block:
The water-cooled 3-cylinder diesel engine sustains stable compression and thermal control under continuous load, delivering smooth torque and preventing frequency drops when heavy inductive loads, such as central air-conditioning systems, start up.
Copper Winding:
Heavy-duty copper alternators offer lower thermal resistance than aluminum models, enabling reliable 24/7 backup power.
Voltage Regulation:
An integrated Automatic Voltage Regulator (AVR) clamps output within ±1.5% voltage tolerance.
Cooling System:
A closed-loop liquid-cooling system with an integrated radiator and coolant reservoir enables uninterrupted full-load operation in ambient temperatures up to 50°C.
OEM Supply Capability
Customization Scope: Private-label branding, customized canopy powder-coating colors, localized multi-language control interfaces, and custom electrical rating plates.
Tender Adaptation: Custom electrical wiring layouts and enclosure dimensions tailored to match regional public tender requirements.
Factory Verification: Manufactured by Milestone (Hebei Xiong'an) Technology Co., Ltd. A sample third-party audit report from SGS or TÜV can be provided upon request during the inquiry stage, with new audits arranged for qualifying bulk orders.
Maintenance & Service
360-Degree Access Panels: Heavy-duty hinged side doors provide instant physical access to oil dipsticks, air filters, and starter batteries.
Fluid Drainage Outlets: External oil and fuel drain valves allow field technicians to complete routine fluid changes without removing outer enclosure panels.
Spare Parts Kits: Standardized consumable service kits (oil filter, fuel filter, air filter, coolant) available for the 100-hour and 1,000-hour service intervals.
Technical Documentation: Shipped with exact wiring schematics, exploded mechanical diagrams, and step-by-step digital field repair manuals.
Residential Compliance
UL 2200 Compliance: Mechanical and electrical assemblies meet UL 2200 standards for stationary residential generators.
Emissions Certification: Engine configurations comply with US EPA Phase 3 and California CARB emissions standards for residential power equipment.
FAQ
Q: What is the warranty period on this generator?
A: The standard factory warranty covers the engine, alternator, and control system for 24 months or 1,500 operating hours, whichever comes first.
Q: What is the expected service life before a major overhaul is needed?
A: Under typical standby duty cycles of periodic exercise runs plus intermittent outage use, the engine is designed for approximately 8,000-10,000 operating hours before a major overhaul is required.
Q: What is the minimum order quantity for distributors?
A: MOQ is 5 units for standard configurations, with single-unit sampling available for dealers who want to evaluate the product before a bulk order.
Q: Can a sample third-party audit report be reviewed before placing an order?
A: Yes, a redacted copy of a prior SGS or TÜV factory audit report can be provided upon request during the inquiry stage.
Q: How quickly can spare parts like the AVR board or coolant pump be dispatched after an outage failure?
A: Standard consumable parts (filters, coolant) ship within 3-5 business days; critical components like the AVR board are prioritized for dispatch within 24-48 hours when reported as an active field failure.
