INSTALLATION (continued)
Functional Test
The Functional Test consists of three checks: manual operation, voltage checks, and electrical operation.
Do these checks in the order presented to avoid damaging the
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 maintenance 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).
Do not manually operate the transfer switch until both power sources are disconnected: open both circuit breakers.
1.After deenergizing both power sources, open the enclosure door. Locate and the maintenance handle on the left side of the transfer switch frame. See Figure
2.Grasp the attached maintenance handle and turn it with thumb and fingers as shown to manually operate it. The maintenance handle turns the opposite direc- tion of the weight. Move it up or down as shown to manually operate the transfer switch. It should operate smoothly without any binding. If it does not, check for shipping damage or construction debris.
3.Return the transfer switch to the Normal position.
Note: If Normal and Emergency connections are
reversed this operation is also reversed.
Now continue to 2 – Voltage Checks on next page.
Position of the transfer switch is indicated here
weight marked N (normal) and E (emergency)
maintenance handle
weight
floating weight
With ALL POWER OFF grasp maintenance handle and turn it quickly with your thumb and fingers.
