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10. Install 2-pole 60 amp breaker (provided by installer) into two unused spaces in load center. If all spaces are full, remove two
adjacent 1-pole or one 2-pole breaker that will be abandoned and relocated in the transfer switch. After inserting the 2-pole 60
amp breaker, strip 5/8” and insert black #6 wires from transfer switch.
11. Replace cover on load center, and reinstall cover to transfer switch if applicable. Installation is complete.
Adding Circuits to your GenTran
®
Transfer Switch:
This GenTran™ transfer switch can be expanded in the field to 10 circuits. The 1” (full size) branch circuit breakers in this transfer
switch can be removed and replaced with ½” (twins or half size) breakers from Siemens, Type QE, QP, QT, QPF, QPH, HQP, QPHF,
QAF; Square D, type HOM; GE, type THQL; Cutler-Hammer, type BR, max. 30 Amps, 240 VAC, min. 10 kA, 240 VAC short circuit rating.
Appropriate wire and wire connectors shall be provided by installer. Follow procedure in Step 7 under “Wiring Your GenTran Transfer
Switch” above for connection of the additional circuits.
Using your GenTran
®
Transfer Switch:
Transferring from Utility Power to Generator Power:
1. Move generator outdoors. WARNING: Operating a generator indoors or in an enclosed area could result in injury or death.
2. Insert the male connector of the Power Cord into the correct outlet on the generator.
3. Plug in the female connector of the Power Cord to the Power Inlet Box OR the inlet on the front of the transfer switch. Turn all
circuit breakers in the transfer switch to their OFF position.
4. Start the generator outdoors, following the procedures described in the generator’s owner’s manual furnished by the
manufacturer.
5. Turn on the GENERATOR MAIN circuit breaker in the transfer switch. Turn ON circuit breakers in the manual transfer switch one
at a time alternating from phase “A” and phase “B.”
6. Use the wattmeters to test and determine wattage from that shown on each appliance. Make a note of any excessive loads
which must be removed from a given circuit during generator operation in an emergency.
7. Balance loads. When all loads are on, the difference between the meter readings should not exceed 750 watts. Balancing the
loads properly will extend the life of your generator. If all of the breakers in the transfer switch are ON but the meters are reading
vastly different wattages, it may be necessary for your installer to reopen the load center and switch some loads from “A” to “B”
or vice versa to balance the loads. (Remember, each meter is ½ of the total rating -- A 5000-watt continuous rating generator
will have two 2500-watt meters, and each meter should not exceed the maximum wattage on a continuous basis. If you are
starting up a motor such as on a well pump or power tool, the needle on the meter may move to the maximum rating, but then
should immediately back off to the continuous running current of the load.)
8. If all circuit breakers on the transfer switch are turned ON without overloading the generator or the meters, then all breakers can
remain in the ON position. If not, you may need to turn off some circuit breakers on the transfer switch to allow some higher
wattage appliances to operate.
Transferring from Generator Power to Utility Power:
1. On the transfer switch, turn Generator MAIN breaker OFF and turn Utility MAIN breaker ON.
2. Turn ON any individual circuit breakers in the transfer switch that were OFF.
3. Shut down the generator, following the procedures in the generator Owner’s Manual.
4. Unplug the power cord from the generator and then the power inlet.
5. Cool off the generator and store in a dry, secured location.
6. To ensure that your generator will work properly when you need it, it is important to start and run your generator under load
regularly and keep the tank filled with fresh fuel. Perform the above steps at least ONCE A MONTH to keep the generator
properly “exercised.” It is not necessary to turn off any circuits in the MAIN load center when supplying generator power to the
transfer switch.
Gen/Tran Corporation
Toll Free: 1-888-GEN-TRAN
Fax: 770-552-7756
www.gen-tran.com
© 2005 Gen-Tran Corporation. All Rights Reserved. GenTran and PowerStay are registered trademarks of Gen-Tran Corporation.
PN 500500 Rev D