INSTALLATION (continued)
Functional Test
The Functional Test consists of three checks: manual operation, voltage checks, and electrical operation.
NOTICE
Do these checks in the order presented to avoid damaging the automatic transfer switch.
Read all instructions on the Wiring Diagram and labels affixed to the automatic transfer switch. Note the control features that are provided and review their operation before proceeding.
1 – Manual Operation Test
A detachable manual operator handle is provided on the Transfer Switch for maintenance purposes only. Manual operation of the transfer switch should be checked before it is energized (operated electrically).
| maintenance |
hole | handle |
| |
shaft |
|
Figure 1-4. Removable maintenance handle on
260 and 400 ampere transfer switches.
Do not manually operate the transfer switch until both power sources are disconnected: open both circuit breakers.
1.Insert the maintenance handle into the hole in the shaft, left side of the operator.
2.Move the maintenance handle as shown to manually operate the transfer switch. The switch should operate smoothly without any binding. If it does not, check for shipping damage or construction debris.
3.Return the transfer switch to the N (normal) position.
4.Remove the maintenance handle and store it on the transfer switch in the place provided.
NOTICE
Verify that the maintenance handle has been removed before proceeding!
Now continue to 2 – Voltage Checks on next page.
