INSTALLATION (continued)
GREEN | RED | RED | RED | RED |
observe these lights
GREEN RED
Figure
2 --- Voltage Checks
First check nameplate on transfer switch; rated voltage must be the same as normal and emergency line voltages.
Verify that the feeders have been connected to the proper lugs.
Before energizing the switch check to be sure that both normal and emergency contacts are not left in the closed position.
Use extreme caution when using a meter to measure voltages. Do not touch power terminals; shock, burns, or death could result !
Perform steps 1 through 6 at the right. Observe the status lights. See Figure
Close the normal source circuit breaker. The Transfer Switch
1Connected To Normal and the Normal Source Accepted lights should come on.
Use an accurate voltmeter to check phase to phase and
2 phase to neutral voltages pres- ent at the transfer switch normal source terminals.
Close the emergency source circuit breaker. (Start generator,
3if necessary.) The Transfer Switch Connected To Normal & Emergency Source Accepted lights should come on.
Use an accurate voltmeter to check phase to phase and
4 phase to neutral voltages pres- ent at the transfer switch emer- gency source terminals.*
Q Black square means light is on. |
Use a phase rotation meter to
A B C
S White square means light is off. |
* If necessary, adjust voltage regulator on the generator |
according to the manufacturer’s recommendations. The |
Automatic Transfer Switch will respond only to the rated |
voltage specified on the Transfer Switch nameplate. |
Note: Refer to Section 3 of Group 5 Controller User’s Guide
Now continue to 3
4 |
5 check phase rotation of emer- gency source; it must be the same as the normal source.
Shut down the
6go off. Then put the starting control selector switch (on the generator set) in the automatic position. Close enclosure door.
