Section 4: Operation
Homelink Upgradeable Manual Transfer Switch Owner’s Manual
9
Section 4: Operation
Functional Tests
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.
IMPORTANT NOTE:
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.
Manual Operation
A manual handle is shipped with the transfer switch. See
. Manual operation must be checked BEFORE
the transfer switch is operated electrically. To check
manual operation, proceed as follows:
1.
Verify generator is OFF.
2.
Turn OFF both UTILITY (service disconnect circuit
breaker) and STANDBY (generator main line circuit
breaker) power supplies to the transfer switch.
3.
Note position of transfer mechanism main contacts
by observing the movable contact carrier arm.
•
Manual operation handle in the UP position - LOAD
terminals (T1, T2) are connected to STANDBY
terminals (E1, E2).
•
Manual operation handle in the DOWN position -
LOAD terminals (T1, T2) are connected to UTILITY
terminals (N1, N2).
Transfer Mechanism Manual Operation
Before proceeding, verify the position of the switch by
observing the position of manual operation handle in
. If the handle is DOWN, the contacts are closed
in the NORMAL (UTILITY) position, no further action is
required. If the handle is UP, proceed with Step 1.
1.
With the handle inserted into the movable contact
carrier arm, move handle DOWN. Be sure to hold
on to the handle as it will move quickly after the
center of travel.
2.
Remove manual operating handle from movable
contact carrier arm. Return handle to storage
bracket.
Figure 4-1. Transfer Mechanism Manual Operation
Close to Generator Source Side
Before proceeding, verify the position of the switch by
observing the position of the manual operation handle in
. If the handle is UP, the contacts are closed in
the GENERATOR (STANDBY) position. No further action
is required. If the handle is DOWN, proceed with Step 1.
1.
With the handle inserted into the movable contact
carrier arm, move the handle UP. Be sure to hold
on to the handle as it will move quickly after the
center of travel.
2.
Remove manual operating handle from movable
contact carrier arm. Return handle to storage
bracket.
(000121)
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.
(000132)
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.
A
Utility Position
B
Generator Position
(000122)
CAUTION
Equipment damage. Do not use excessive force
while manually operating the transfer switch.
Doing so could result in equipment damage.
000947
A
B
