Use and Care Manual
General Information
8 EcoGen Automatic Standby Generator Owner’s Manual
2.5 — Specifications
2.5.1— Generator
2.5.2— Engine
The specification sheet for this generator was included in the documentation provided with the unit at the time of pur-
chase. For additional copies, consult your local Authorized Independent Service Dealer.
Model 15 kW EcoGen
Rated Voltage 240
Rated Maximum Load
Current (Amps) at 240 Volts (LP)*
62.5
Main Circuit Breaker 65 Amp
Phase 1
Rated AC Frequency 60 Hz
Battery Requirement Group 26R, 12 Volts and 525 CCA Minimum (Generac Part No. 0H3421S)
Unit Weight in Lbs. (kilos) 536 (243)
Enclosure Aluminum
Normal Operating Range This unit is tested in accordance to UL 2200 standards with an operating temperature of
-20º F (-29º C) to 122º F (50º C). For areas where temperatures fall below 32º F (0º C) a
cold weather kit is required. When operated above 77º F (25º C) there may be a decrease in
engine power. Please reference the engine specifications section.
These generators are rated in accordance with UL 2200, Safety Standard for Stationary Engine Generator Assemblies, and CSA-
C22.2 No. 100-04
Standard for Motors and Generators.
* Natural Gas ratings will depend on specific fuel Btu/joules content. Typical derates are between 10-20% off the LP gas rating.
Model 15 kW EcoGen
Type of Engine GT-999
Number of Cylinders 2
Displacement 999 cc
Cylinder Block Aluminum w/Cast Iron Sleeve
Recommended Spark Plug RC12YC
Spark Plug Gap 1.02 mm (0.040 in)
Starter 12 VDC
Oil Capacity Including Filter Approx. 3.75 Quarts / 3.55 Liters
Recommended Oil Filter Part #070185E
Recommended Air Filter Part #0J8478
Maximum wattage and current is subject to and limited by such factors as fuel Btu/joules content, ambient temperature and alti-
tude. Maximum power decreases about 3.5 percent for each 1,000 feet (304.8 meters) above sea level, and also will decrease
about 1 percent for each 6º C (10º F) above 15º C (60º F) ambient temperature.










