Section 3 - Operation; Functional Tests & Adjustments; Manual Operation - Generac Power Systems ILC Owner's Manual

3.1 FUNCTIONAL TESTS AND
ADJUSTMENTS
Following transfer switch installation and intercon-
nection, inspect the entire installation carefully. A
competent, qualified electrician should inspect it.
The installation should comply strictly with all appli-
cable codes, standards, and regulations. When
absolutely certain the installation is proper and cor-
rect, complete a functional test of the system.
Perform functional tests in the exact order presented
in this manual, or damage to the switch could result.
IMPORTANT: Before proceeding with functional
tests, read and make sure to understand all instruc-
tions and information in this section. 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

DANGER
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 and attached to the inside of the door. Manual
operation must be checked BEFORE the transfer
switch is operated electrically. To check manual
operation, proceed as follows:
6 Generac ® Power Systems, Inc.
Section 3 — Operation
Generac ILC Type Transfer Switch
Figure 2.2 — Auxiliary Contact Diagram
1. If so equipped, turn the generator's AUTO-OFF-
MANUAL switch to OFF .
2. Turn OFF both NORMAL and STANDBY service
disconnect circuit breakers.
3. Note position of transfer mechanism main con-
tacts by observing display windows in "A" and "B"
in Figure 3.1 as follows:
• Window "A" ON, Window "B" OFF - LOAD termi-
nals (T1, T2, T3) are connected to NORMAL ter-
minals (N1, N2, N3).
• Window "A" OFF , Window "B" ON - LOAD termi-
nals (T1, T2, T3) are connected to STANDBY ter-
minals (E1, E2, E3).
Do not use excessive force when operating
!
the transfer switch manually or damage to
the manual handle could result.
3.2.1 CLOSE TO NORMAL SOURCE SIDE
Before proceeding, verify the position of the switch by
observing window "A" in Figure 3.1. If window "A"
reads "ON", proceed with Step 1, and if it reads
"OFF", proceed with Step 2.
Step 1: With the handle attached to the actuating
shaft, move handle in the direction of the
arrow on the switch cover until it stops — DO
NOT FORCE. Release handle slowly to
release the spring in the switch box. "OFF"
now appears in Window "A" and "ON" appears
in Window "B". (Proceed with Step 2).