Generac Power Systems Quietsource 005220-0, Owner'S Manual

EQUIPMENT DESCRIPTION

This equipment is a revolving field, alternating cur-
rent generator set. It is powered by a gaseous fueled 
engine operating at 1800 rpm for 4-pole direct drive 
units, 3600 rpm for 2-pole direct drive units and 
2300 - 3000 rpm for quiet drive gear units. See the 
Specifications section for exact numbers. The unit 
comes complete with a sound attenuated enclosure, 
internally mounted muffler, control console, main-
line circuit breaker, battery charger, and protective 
alarms as explained in the following paragraph.

All AC connections, including the power leads from 
the alternator, 120 volt battery charger input and 
control connections to the transfer switch are avail-
able in the main connection box.

The generator incorporates the following generator 
features:

• Rotor and Stator insulation is Class H rated as 

defined by NEMA MG1-32.6, NEMA MG1-1.66. 
The generator is self ventilated and drip-proof con-
structed.

• The voltage waveform deviation, total harmonic 

content of the AC waveform and telephone influ-
ence factor have been evaluated and are acceptable 
according to NEMA MG1-32.

ENGINE OIL RECOMMENDATIONS

The unit has been filled with 15W-40 engine oil at 
the factory. Use a high-quality detergent oil classified 
“For Service CC, SD, SE, SF.” Detergent oils keep the 
engine cleaner and reduce carbon deposits. Use oil 
having the following SAE viscosity rating, based on 
the ambient temperature range anticipated before the 
next oil change:



  Any attempt to crank or start the engine before 

it has been properly serviced with the recom-
mended oil may result in an engine failure.

NOTE:

For temperatures below 32° F, it is strongly recom-
mended to use the optional Cold Weather Start Kit 
(part number listed in the Specification Section). 
The oil grade for temperatures below 32° F is 5W-
30 synthetic oil.

COOLANT RECOMMENDATIONS

Use a mixture of half low silicate ethylene glycol 
base anti-freeze and deionized water. Cooling system 
capacity is listed in the specifications. Use only deion-
ized water and only low silicate anti-freeze. If desired, 
add a high quality rust inhibitor to the recommended 
coolant mixture. When adding coolant, always add 
the recommended 50-50 mixture.



  Do not use any chromate base rust inhibitor 

with ethylene glycol base anti-freeze or chro-
mium hydroxide (“green slime”) forms and will 
cause overheating. Engines that have been oper-
ated with a chromate base rust inhibitor must 
be chemically cleaned before adding ethylene 
glycol base anti-freeze. Using any high silicate 
anti-freeze boosters or additives will also cause 
overheating. The manufacturer also recommends 
that any soluble oil inhibitor is NOT used for this 
equipment.

DANGER



  Do not remove the radiator pressure cap while 

the engine is hot or serious burns from boiling 
liquid or steam could result.



  Ethylene glycol base antifreeze is poisonous. 

Do not use mouth to siphon coolant from the 
radiator, recovery bottle or any container. Wash 
hands thoroughly after handling. Never store 
used antifreeze in an open container because 
animals are attracted to the smell and taste of 
antifreeze even though it is poisonous to them.

 Temperature 

Oil 

Grade 

(Recommended)

Above 80° F (27° C) 

SAE 30W or 15W-40

32° to 80° F (0° to 27° C) 

SAE 20W-20 or 15W-40

Below 32° F (0° C) 

See Note

3-1

Standby Generator Sets

Equipment Description

Equip001  Rev.

 0  08/05