Checking Automatic Operation; Installation Summary - Generac 20 kW Synergy Guia De Instalacion

Operation
Once the generator is running, IMMEDIATELY move the GENERATOR DISCONNECT Circuit Breaker switch to
7.
the ON (Closed) position. This prevents the speed from ramping down before the load is applied, a condition
which could cause the engine to stall. Loads are now powered by the standby generator.
One by one, turn ON the circuit breaker/electrical loads to be powered by the generator.
8.
Connect a calibrated AC voltmeter and a frequency meter across terminal lugs E1 and E2. Voltage should be
9.
approximately 220-242 VAC (depending on load) and frequency should be 60 Hz. If the voltage and frequency
are rapidly dropping as the loads are applied, the generator may be overloading or there may be a fuel issue.
Check amperage value of loads and/or fuel pressure.
NOTE: If the generator is loaded above 90% of its rating, the voltage will drop down to about 220V.
Allow the generator run at full rated load for 20-30 minutes. Listen for unusual noises, vibration, or other indica-
10.
tions of abnormal operation. Check for oil leaks, fuel leaks, evidence of overheating, etc.
Verify correct gas pressure while running under full load.
11.
When testing under load is complete, turn OFF electrical loads.
12.
Move the Generator Disconnect Circuit Breaker switch to the OFF (or open) position.
13.
Allow the engine to run at no-load for 2-5 minutes.
14.
Press OFF on the control pad to shut down the engine.
15.
NOTE: At this point, the loadshed control sees no frequency (utility and generator are disconnected) and oper-
ates all loadshed relays. Once utility is restored, there is a delay before all loads are reconnected.
7.13 — Checking Automatic Operation
To check the system for proper automatic operation, proceed as follows:
Verify that the generator is OFF. A red LED illuminates to confirm that system is in OFF mode.
1.
Install covers over transfer switch.
2.
Turn ON the utility power supply to the transfer switch using the means provided (such as a utility main line circuit
3.
breaker).
NOTE: Transfer Switch will transfer back to utility position.
Move the Generator Disconnect Circuit Breaker switch to the ON (Closed) position.
4.
Press AUTO on the control pad. The system is now ready for automatic operation.
5.
Turn OFF the utility power supply to the transfer switch.
6.
NOTE: With the generator ready for automatic operation, the engine should crank and start when the utility
source power is turned OFF after a 5 second delay (adjustable factory default setting). After starting, the trans-
fer 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.
With the generator running and loads powered by generator AC output, turn ON the utility power supply to the
7.
transfer switch. The following should occur:
After approximately 15 seconds, the switch should transfer loads back to the utility power source.
•
• Approximately one minute after re-transfer, the engine should shut down.
7.14 — Installation Summary
Ensure that the installation has been properly performed as outlined by the manufacturer and that it meets all
1.
applicable laws and codes.
Test and confirm proper operation of the system as outlined in the appropriate installation and owner's manuals.
2.
Educate the end-user on the proper operation, maintenance and service call procedures.
3.
IMPORTANT! If the end user ever finds it necessary to turn the generator off during prolonged utility outages
to perform maintenance or conserve fuel, educate them on these simple, but important steps:
To turn the generator OFF (while running in AUTO and online):
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