5 manual transfer operation, 1 transfer to generator, Power source – Carrier ASPASICCA007 User Manual

Page 13: Danger, 2 transfer back to utility power source, 6 setting the exercise timer, Manual transfer operation, Setting the exercise timer

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Section 2 — Operation

Carrier Air-cooled 7 kW, 12 kW and 15 kW Generators

OPERATION

(ji?

2.5

MANUAL TRANSFER OPERATION

♦ 2.5.1 TRANSFER TO GENERATOR

__________ POWER SOURCE______________________

To start the generator and activate the transfer switch

manually, proceed as follows:

1.

Set the generator’s AUTO/OFF/MANUAL switch

to OFF.

2. Set the generator’s main circuit breaker to its OFF (or

open) position.

3. Turn OFF the utility power supply to the transfer

switch using the means provided (such as a

utility main line circuit breaker).

DANGER

A

Do not attempt to activate the transfer switch

manually until all power voltage supplies to
the switch have been positively turned off.

Failure to turn off all power voltage supplies

may result in extremely hazardous and possibly
fatal electrical shock.

4. Use the manual transfer handle inside the transfer

switch to move the main contacts to their “Standby”

position, i.e., loads connected to the standby power

source (Figure 2.2).

Figure 2.2 - Manual Transfer Switch Operation

LOAD CONNECTED TO UTILITY POWER SOURCE

LOAD CONNECTED TO STANDBY POWER SOURCE

6

.

7.

To

crank

and

start

the

engine,

set

the

AUTO/OFF/MANUAL switch to MANUAL.

Let the engine stabilize and warm up for a few
minutes.
Set the generator’s main circuit breaker to its ON (or

closed) position. The standby power source now

powers the loads.

♦ 2.5.2 TRANSFER BACK TO UTILITY POWER

__________ SOURCE_____________________________

When utility power has been restored, transfer back to
that source and shut down the generator. This can be
accomplished as follows:

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

open) position.

2. Let the engine run for a minute or two at no-load to

stabilize the internal temperatures.

3. Set the generator’s AUTO/OFF/MANUAL switch to

its OFF (or open) position. The engine should
shut down.

4. Check that utility power supply to the transfer switch

is turned OFF.

DANGER

A

5.

7.

Do not attempt to activate the transfer switch
manually until all power voltage supplies

to the switch have been positively turned off.

Failure to turn off all power voltage supplies
may result in extremely hazardous and possibly

fatal electrical shock.

Use the manual transfer handle inside the transfer

switch to move the main contacts back to their

UTILITY position, i.e., loads connected to the utility
power source (Figure 2.2).

Turn ON the utility power supply to the transfer
switch using the means provided.
Set the system to automatic operation as outlined in
“Automatic Transfer Operation,” Section 2.3.

2.6

SETTING THE EXERCISE TIMER

This generator is equipped with an exercise timer. Once

it is set, the generator will start and exercise once every
seven days, on the day of the week and at the time of day
the following sequence is completed. During this
exercise period, the unit runs for approximately 12
minutes and then shuts down. Transfer of loads to the
generator output does not occur during the exercise
cycle.

A switch on the control panel (see Figure 2.1) permits
selection of the day and time for the system to exercise.
At the chosen time, perform the following sequence to
select the desired day and time of day the system will
exercise.

1. Verify that the AUTO/OFF/MANUAL switch is set

to AUTO.

2. Hold down the “Set Exercise Time” switch until the

generator starts (approximately 10 seconds) and
then release.

3. The generator will start and run for approximately 12

minutes and then shut down on its own. The
exerciser will then be set to run at that time of day
every week.

Carrier 1 1

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