Section 3: Operation; Functional Tests And Adjustments; Manual Operation; Close To Utility Source Side - Generac Power Systems RXGW20SHA3 Owner's Manual

Section 3: Operation

Functional Tests and Adjustments

CAUTION
Equipment damage. Perform functional tests in the
exact order they are presented in the manual.
Failure to do so could result in equipment damage.
Following transfer switch installation and interconnection,
inspect entire installation carefully. A competent, qualified
electrician should inspect it. The installation should
strictly comply with all applicable codes, standards, and
regulations. When absolutely certain installation is cor-
rect, complete a functional test of the system.
IMPORTANT NOTE: Before proceeding with func-
tional tests, read and verify all instructions and infor-
mation in this section is understood. Also read
information and instructions of labels and decals
affixed to transfer switch. Note any options or acces-
sories that might be installed and review their opera-
tion.

Manual Operation

DANGER
Electrocution. Do not manually transfer under load.
Disconnect transfer switch from all power sources
prior to manual transfer. Failure to do so will result in
death or serious injury, and equipment damage.
CAUTION
Equipment damage. Do not use excessive force while
manually operating the transfer switch. Doing so could
result in equipment damage.
See Figure 3-1. A manual handle (B) is shipped with the
transfer switch manual. Manual operation must be veri-
fied BEFORE transfer switch is operated electrically. Pro-
ceed as follows to verify manual operation:
1. Verify generator is in OFF mode.
2. Turn off both utility (service disconnect circuit
breaker) and emergency (generator main line cir-
cuit breaker) power supplies to transfer switch.
3. Note position of transfer mechanism main contacts
(A) by observing the movable contact carrier arm.
This can be viewed through the long narrow slot in
the inside cover. The top of the movable contact
carrier arm is yellow to be easily identified.
Automatic Transfer Switch Owner's Manual
•
Manual operation handle in UP position—
LOAD terminals (T1, T2) are connected to util-
ity terminals (N1, N2).
• Manual operation handle in DOWN position–
LOAD terminals (T1, T2) are connected to
EMERGENCY terminals (E1, E2).

Close to Utility Source Side

(000121)
Before proceeding, verify position of transfer switch by
observing position of manual operation handle in
3-1. If manual operation handle is UP, contacts are
closed in utility (normal) position. No further action is
required. If manual operation handle is DOWN, proceed
with Step 1.
1. With manual operation handle inserted into mov-
able contact carrier arm, move handle UP. Hold on
to manual operation handle as it will move quickly
after the center of travel.
2. Remove manual operating handle from movable
contact carrier arm. Return manual operation han-
dle to storage bracket.
(000132)
(000122)
B
Figure 3-1. Manual Operation
Operation
Figure
A
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