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Guardian Technologies 4758 User Manual

Page 123

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SECTION 5.1

SYSTEM FUNCTIONAL TESTS

INTRODUCTION

Following home standby electric system installation
and periodically thereafter, the system should be
tested Functional tests of the system include the
following:
❏ Manual transfer switch operation.

❏ System voltage tests.

❏ Generator Tests Under Load.

❏ Testing automatic operation.

Before proceeding with functional tests, read
instructions and information on tags or decals affixed
to the generator and transfer switch. Perform all tests
in the exact order given in this section.

MANUAL TRANSFER SWITCH OPERATION

"V-TYPE" TRANSFER SWITCHES:

1. On the generator panel, set the AUTO-OFF-MANUAL

switch to OFF.

2. Turn OFF the "Utility" power supply to the transfer

switch using whatever means provided (such as a
"Utility" main line circuit breaker).

3. Set the generator main line circuit breaker to OFF

or

"

Open

".

DANGER: BE SURE TO TURN OFF ALL
POWER VOLTAGE SUPPLIES TO THE
TRANSFER SWITCH BEFORE ATTEMPTING
MANUAL OPERATION. FAILURE TO TURN
OFF POWER VOLTAGE SUPPLIES TO THE
TRANSFER SWITCH MAY RESULT IN
DANGEROUS AND POSSIBLY LETHAL
ELECTRICAL SHOCK.

4. Remove the manual transfer handle from the enclosure.

5. Place open end of the manual transfer handle over

transfer switch operating lever.

6. To connect "Load" terminal lugs to the "Standby" power

source, move, the handle upward.

7. To connect "Load" terminals to the Utility" power source,

move the handle downward.

8. Actuate the switch to "Utility" and to MANUAL several

times. Make sure no evidence of binding or interference
is felt.

9. When satisfied that manual transfer switch operation is

correct, actuate the main contacts to their "Utility"
position ("Load" connected to the "Utility" power supply).

ELECTRICAL CHECKS

Complete electrical checks as follows:

1. Set the generator main circuit breaker to its OFF (or

open) position.

OPERATIONAL TESTS

AND ADJUSTMENTS

PART 5

Page 5.1-1

Figure 1. Manual Operation “V-Type” Switch

This manual is related to the following products: