Generac Power Systems 04635-0 - Manual (Page 7)

Generac ® Power Systems, Inc. 5
3.1 FUNCTIONAL TESTS AND
ADJUSTMENTS
Following transfer switch installation and
interconnection, inspect the entire installation
carefully. A competent, qualified electrician
should inspect it. The installation should comply
strictly with all applicable codes, standards, and
regulations. When absolutely certain the
installation is proper and correct, complete a
functional test of the system.
Perform functional tests in the exact order
presented in this manual, or the switch could
be damaged.
IMPORTANT: Before proceeding with functional
tests, read and make sure all instructions and
information in this section is understood. Also read
the information and instructions of labels and decals
affixed to the switch. Note any options or accessories
that might be installed and review their operation.
3.2 MANUAL OPERATION
Do NOT manually transfer under load.
Disconnect transfer switch from all power
sources by approved means, such as a main
circuit breaker(s).
A manual HANDLE is shipped with the transfer
switch. Manual operation must be checked BEFORE
the transfer switch is operated electrically. To check
manual operation, proceed as follows:
1. Turn the generator’s AUTO-OFF-MANUAL switch
to OFF.
2. Turn OFF both UTILITY and EMERGENCY
power supplies to the transfer switch, with
whatever means provided (such as the main line
circuit breakers).
3. Note position of transfer mechanism main
contacts by observing display windows in “A” and
“B” in Figure 3.1 as follows:
• Window “A” ON, Window “B” OFF - LOAD
terminals (T1, T2) are connected to UTILITY
terminals (N1, N2).
!
DANGER
!
Section 3 — Operation
Generac GTS “W” Type Transfer Switch
Figure 3.1 — Actuating Transfer Switch