Guardian Technologies 04759-2 Manual De Usuario

4.  Manually set the transfer switch to the UTILITY 

position, i.e., load terminals connected to the util-
ity power source side.

5.  Turn ON the utility power supply to the transfer 

switch, using the means provided (such as a util-
ity main line circuit breaker).

6.  Set the AUTO/OFF/MANUAL switch to AUTO. 

Then set the generator’s main circuit breaker to 
its ON (or closed) position. The system is now 
ready for automatic operation.

7.  Turn OFF the utility power supply to the transfer 

switch.

With the AUTO/OFF/MANUAL switch at AUTO, the 
engine should crank and start when the utility source 
power is turned OFF. After starting, the transfer 
switch should connect load circuits to the standby 
side. Let the system go through its entire automatic 
sequence of operation.

With the generator running and loads powered by 
generator AC output, turn ON the utility power supply 
to the transfer switch. The following should occur:

•  After about 13 seconds, the switch should transfer 

loads back to the utility power source.

• About one minute after retransfer, the engine 

should shut down.

Although the generator has been factory set to pro-
vide maximum power, it may be necessary in some 
areas to adjust this setting. Because natural gas has 
different BTU or power content across the country 
the engine may not perform as designed.

If experiencing engine problems at high or full load 
conditions follow these steps. It will require a fre-
quency meter to perform this procedure.

1.  Turn off utility power to the main distribution 

panel in the house. This can be done by switching 
the service main breaker to the off or open posi-
tion.

2.  Allow the generator to start before loading the 

generator. Confirm the no-load frequency with 
the roof open and door off is set at 63-63.5 Hz. 
Transfer load to emergency circuits.

3.  Turn on appliances, lights, pumps, etc., that are 

on the emergency circuits in an attempt to fully 
load the generator. Be cautious not to overload 
the generator. Use the following chart as a guide:

4.  When 3/4 load has been achieved. Connect a fre-

quency meter to the output lugs of the generator’s 
main line circuit breaker.

5.  The fuel regulator is fitted with one (7 kW), or two 

(12 & 15 kW) adjustment screws. While watching 
the frequency meter, slowly turn the adjustment 
screw clockwise or counterclockwise one at a 
time until highest frequency is read on the meter. 
Only limited adjustment is available between the 
set pins. Under no circumstances should any of 
the pins be removed (Figures 2.1 and 2.2).

410

Adjustment
Screw

(One Side
Only)

Set
Pin

V-twin

Adjustment
Screw

(Both Sides)

Set Pin

(Both Sides)

-

6.  When the highest frequency is reached maximum 

power has been set. Then turn both adjustment 
screws 1/4 turn counterclockwise. Regulator is 
now set.

7.  Turn utility power to the main distribution panel 

back on. This can be done by switching the ser-
vice main breaker to the on or closed position. 
Allow the generator to shut down.

 

Unit 

120 Volts 

240 Volts

 

7 kW 

50.0 amps 

25.0 amps

 

12 kW 

100.0 amps 

50.0 amps

 

15 kW 

108.3 amps 

54.2 amps

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