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Residential Transfer Switch Installation Guide
GENERATOR TESTS UNDER LOAD
1.
Set the generator's main circuit breaker to its OFF or OPEN posi-
tion.
2.
Set the UTILITY SERVICE DISCONNECT circuit breaker to the
OFF or OPEN position.
3.
Manually actuate the transfer switch main contacts to their
EMERGENCY (STANDBY) position. Refer to the "Manual
Operation" section.
4.
To start the generator, put it into the MANUAL mode. When
engine starts, let it stabilize for a few minutes.
5.
Turn the generator's main circuit breaker to its ON or CLOSED
position. The generator now powers all LOAD circuits. Check
generator operation under load as follows:
• Turn ON electrical loads to the full rated wattage/amperage
capacity of the generator. DO NOT OVERLOAD.
• With maximum rated load applied, check voltage and frequency
across transfer switch terminals E1 and E2. Voltage should be
greater than 230 volts and frequency should be greater than 59
Hertz. Also, verify that the gas pressure remains within accept-
able parameters (see the generator Installation Guidelines
manual).
• Let the generator run under rated load for at least 30 minutes.
With unit running, listen for unusual noises, vibration, overheat-
ing, etc., that might indicate a problem.
6.
When checkout under load is complete, set main circuit breaker
of the generator to its OFF or OPEN position.
7.
Let the generator run at no-load for several minutes. Then shut
down by putting it into the OFF mode.
CHECKING AUTOMATIC OPERATION
To check the system for proper automatic operation, proceed as fol-
lows:
1.
Ensure that the generator is in it's OFF mode.
2.
Install front cover of the transfer switch.
3.
Turn ON the utility power supply to the transfer switch, using the
means provided (such as a utility main line circuit breaker).
Transfer Switch will transfer back to utility position.
4.
Set the generator's main circuit breaker to its ON (or CLOSED)
position.
5.
Push the generator's AUTO mode button. The system is now
ready for automatic operation.
6.
Turn OFF the utility power supply to the transfer switch.
With the generator ready for automatic operation, the engine should
crank and start when the utility source power is turned OFF after a
10 second delay (factory default setting). After starting, the transfer
switch should connect load circuits to the standby side after a five
(5) second delay. Let the system operate through its entire automatic
sequence of operation.
8
NOTE:
INSTALLATION SUMMARY
1.
Ensure that the installation has been properly performed as
outlined by the manufacturer and that it meets all applicable laws
and codes.
2.
Test and confirm proper operation of the system as outlined in
the appropriate installation and owner's manuals.
3.
Educate the end-user on the proper operation, maintenance and
service call procedures.
Important! If the end user ever finds it necessary to turn the gen-
erator off during prolonged utility outages to conserve on fuel,
educate them on these simple, but important steps:
To turn the generator OFF (while running in AUTO and online):
1.
Turn OFF (or OPEN) the main Utility disconnect.
2.
Turn OFF (or OPEN) the Main Line Circuit Breaker (MLCB) on
the generator.
3.
Turn the generator OFF.
To turn the generator back ON:
1.
Put the generator back into AUTO and allow to start and warm-up
for a few minutes.
2.
Turn ON (or CLOSE) the MLCB on the generator.
The system will now be operating in its automatic mode. The main
utility disconnect can be turned ON (or CLOSED), but to shut the unit
off, this complete process must be repeated.
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