General Information
Owner’s Manual for Australian 3-Phase 50 Hz Air-Cooled Generator Sets 9
Specifications
Generator Set
Engine
A detailed specification sheet for a particular generator set is available from an IASD.
Model 20 kVA
Rated voltage 380 / 400 / 416
Rated maximum load
current (a) at rated
voltage*
30.4 / 28.9 / 27.18
Main line circuit breaker
(generator set disconnect)
32 A
Phase 3
Rated AC frequency 50 Hz
Battery requirement
12V, Group 25R 540 CCA minimum, or Group 35 AGM 650 CCA minimum
(See Replacement Parts)
Enclosure Aluminum
Weight (kg / lbs) 192.8 / 425
Normal operating range
This unit is tested in accordance to UL 2200 standards with an operating temperature of -29 °C (-20
°F) to 50 °C (122 °F). For areas where temperatures fall below 0 °C (32 °F), a cold weather kit is
recommended. There may be a decrease in engine power when operated above 25 °C (77 °F).
(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% of the LP gas rating.
** Circuits to be moved must be protected by same size breaker. For example, a 15A circuit in the main panel must be a 15A circuit in the transfer
switch.
Model 20 kVA
Engine type Generac G-Force 1000 Series
Number of cylinders 2
Displacement 999 cc
Cylinder block Aluminum w/ cast iron sleeve
Recommended spark plug See Replacement Parts
Spark plug gap 1.02 mm (0.040 in)
Valve clearance 0.05–0.1 mm (0.002–0.004 in)
Starter 12 VDC
Oil capacity including filter Approx. 1.8 L (1.9 qts)
Recommended oil filter See Replacement Parts
Recommended air filter See Replacement Parts
Engine power is subject to and limited by such factors as fuel BTU/joules, ambient temperature and altitude. Engine power decreases approxi-
mately 3.5% for each 304.8 m (1,000 ft) above sea level, and also will decrease approximately 1% for each 6 °C (10 °F) above 15 °C (60 °F) ambi-
ent temperature.
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