GenTran Switch 200660 User Manual

INDOOR MANUAL TRANSFER SWITCHES  
For Models 200660, 300660, 301060, 501210, 601210  
INSTALLATION AND OPERATING INSTRUCTIONS  
Warning: Gen/Tran transfer switches should be installed by a professional electrician familiar with electrical wiring and codes, and experienced in working  
with generators. Gen/Tran accepts no responsibility for accidents, damages or personal injury caused by incorrect installation. These transfer switches are  
intended for surface or flush mounting INDOORS only.  
Caution: If using the generator and transfer switch for larger appliances, such as electric water heaters, clothes dryers, electric ranges and small air  
conditioners, check the labels on the appliances to be sure they do NOT exceed the rating of the generator. No appliance should have an amperage rating that  
exceeds the “GENERATOR MAIN” rating in the transfer switch.  
Thank you for purchasing the finest manual transfer switch available today. Gen/Tran’s PowerStay® Manual Transfer Switches are designed to safely connect  
generators to load centers in homes and light commercial buildings (single phase only) for standby power applications. Features include:  
Generator Main and Utility Main are mechanically interlocked preventing utility or generator power back feed  
Full branch circuit protection with Siemens® circuit breakers  
Dual wattmeters on models 200660, 300660, 301060, 501210 and 601210 help monitor and balance generator load, prolonging generator life  
Pre-assembled wire harness for easy connection to the load center  
Optional GFCI, Arc Fault or Surge Protection circuit breakers to further protect your home and electronic equipment (Available from Gen/Tran)  
Optional dust cover to keep debris and dust out of your transfer switch (Available from Gen/Tran PN 501069)  
Tools Needed for Installation:  
¼” and 11/32 nut drivers, 2-1/8” hole saw (if flush mounting)  
Straight blade and Phillips screwdriver  
Electric drill  
Wire cutter/stripper  
Other Items Needed:  
New 2-pole, 240V Breaker to mount in main load center – amperage to match utility breaker (see specifications Table I for Utility Main Breaker size – should be  
manufactured by same as Main load center).  
Anchors and screws to mount switch to wall  
PVC cement (to secure connectors onto flexible conduit)  
Additional wire connectors if switch is “hard-wired”. See Table 2 for correct size.  
May need Arc-fault, GFCI or Surge protection circuit breakers. If Arc-fault, GFCI or Surge protection circuit breakers are used as the branch circuit protector in the main  
load center, they MUST be used in the manual transfer switch. See Table 3 for compatible breakers. (Available through Gen/Tran).  
Power Inlet Box – for “hard-wired” installations. (Available through Gen/Tran).  
Power Cord to connect generator to switch or power inlet box. (Available through Gen/Tran).  
Typical Basement Installation  
Hardwired to generator using a power inlet box  
Typical Garage Installation  
Plug-in cord connection  
Power Inlet Box  
Power Cord  
Power Cord  
Manual  
Transfer  
Switch  
Manual  
Transfer  
Switch  
Wiring Harness  
Load Center  
Wiring Harness  
Load Center  
1
 
For Flush-Mount Installation – New Construction:  
1. The transfer switch should be installed at the same time as the main load center in adjacent stud openings in the wall. Remove the six screws that secure the interior assembly of  
the transfer switch to the switch enclosure. Remove the power inlet as described STEP 1 of in the “Surface Mount – Hardwiring” section above, except model 601210.  
2. The width of the transfer switch enclosure is 14.25”; it should fit between standard 16” wall studs. Slots on the sides of the box allow the enclosure to be mounted to the studs.  
Install the enclosure with nails or screws; be sure the front edge of the box extends forward to be flush with the thickness of the finished drywall. Adjustment is difficult once the  
interior assembly is reinstalled.  
3. The harness is installed by drilling a 2 1/8” diameter hole in the stud between the load center and the transfer switch. The exact location is determined by which KO’s in each box  
are selected. The ideal location is the lower side corner of the load center and the bottom KO on the transfer switch. After removing the KO’s and drilling the hole, cement the  
connectors and install the flexible conduit.  
4. After the walls have been finished and painted (if applicable), reinstall the interior assembly of the transfer switch and complete the wiring as described in STEP 2 of “Surface  
Installation – Hardwired” and STEPS 3, 4 & 5 in the “Surface Installation – Plug-In” section above.  
For Flush-Mount Installation – Retrofit with Walls Finished:  
1.  
Remove the cover of the main load center. Ensure that there are no wires going thru the side of the load center into the space where you want to mount the transfer switch. Use a  
“stud finder” to determine if you have at least 14.25” between the studs to mount the transfer switch.  
2.  
After determining where to install the transfer switch (keep in mind the length and flexibility of the conduit provided and where the generator wires will enter), remove the cover, the  
power inlet and the six screws that secure the interior of the transfer switch as described in STEP 1 of the “Surface Installation – Hardwired” section above. Hold the transfer switch  
enclosure in the desired position on the wall and mark the exact dimensions of the box. Set the enclosure aside and cut the hole in the drywall. Remove a 1” or 1-¼” KO in the  
lower side of the load center. Drill a pilot hole through the stud in the center of the KO removed. Then, reach down inside the wall and drill a 2 1/8” diameter hole in the stud using  
the pilot hole as a guide. Assuming you are mounting the transfer switch above the bottom corner of the load center, remove the bottom KO in the transfer switch, cement the  
connectors on the flexible conduit, and install the flexible conduit and fasten to both cabinets with locknuts.  
3.  
4.  
5.  
It is recommended that only the four KO’s in the upper portion of the transfer switch enclosure be used for entry of the generator wires. If this is impractical in your installation,  
other holes may be drilled on the top, bottom or back to accommodate the incoming wires from the generator.  
Insert the transfer switch enclosure box into the hole in the drywall and install with nails or screws; be sure the front edge of the box extends forward to be flush with the thickness  
of the finished drywall. Adjustment is difficult once the interior assembly is reinstalled.  
Reinstall the interior assembly of the transfer switch and complete the wiring as described in STEP 2 of “Surface Installation – Hardwired” and STEPS 3,4 and 5 in the “Surface  
Installation – Plug-In” section above.  
TABLE 1 - SPECIFICATIONS:  
MODEL #  
UTILITY MAIN breaker, Incl.  
GEN MAIN breaker, included  
Max Load per Circuit  
200660  
60 Amp  
20 Amp  
As marked  
20 Amp  
5000  
5000  
16  
8
300660**  
60 Amp  
20 Amp  
As marked  
30 Amp  
N/A  
3750  
16  
0
L5-30  
10/3 wire  
301060  
60 Amp  
30 Amp  
As marked  
30 Amp  
7500  
7500  
16  
8
501210  
100 Amp  
50 Amp  
As marked  
50 Amp  
12,500  
12,500  
16  
601210  
100 Amp  
60 Amp  
As marked  
60 Amp  
15,000  
15,000  
16  
Max Load Combined  
Max Watts @ 250 Volt  
Max Watts @ 125 Volt  
Max 1-pole Circuits *  
Max 2-pole Circuits *  
NEMA Config. of Inlet  
Min. gauge Cord Size  
8
8
N/A  
none  
L14-20  
12/4 wire  
L14-30  
10/4 wire  
CS6375  
6/4 wire  
*Note: If Ground Fault Circuit Interrupters (GFCI) circuit breakers, Arc Fault Circuit Interrupters, or Surge Protector Circuit Breakers were used as the branch circuit protector in the main  
load center, they MUST be used in the transfer switch. Because these circuit breakers typically take up more than one space, the overall maximum number of circuits may be reduced from  
the number shown. Contact Gen/Tran for more information on these circuit breaker types.  
**Note on Model 300660: This unit is designed and rated for 125 volt loads only; and single pole circuit breakers should be used in this unit. Total load must not exceed 3750 watts.  
Operating Your PowerStay® Manual Transfer Switch and Generator:  
Transferring from Utility Power to Generator Power:  
1.  
2.  
3.  
Move generator outdoors. WARNING: Operating a generator indoors or in a garage could result in injury or death.  
Insert the male connector of the Power Cord into the correct outlet on the generator.  
Plug in the female connector of the Power Cord to the Power Inlet Box OR the inlet on the top of the PowerStay Manual Transfer Switch. Turn all circuit breakers in the transfer  
switch to their OFF position.  
4.  
5.  
Start the generator outdoors, following the procedures described in the generator’s owner’s manual furnished by the manufacturer. 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”. If meters are provided in your unit, watch as  
you turn on successive circuits that the meters do not continuously exceed the maximum wattage of the generator. It may be necessary to alternate the use of larger loads (furnace  
motors, well pumps, freezers, etc.) to avoid overloading the generator. Try to “balance” the loads on each “phase” (A and B). To promote generator life, loads should be balanced  
so that the wattage reading on each meter is within about 1000 watts of the other.  
Test your circuits by using the wattmeters or 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.  
3
 
Transferring from Generator Power to Utility Power:  
1.  
2.  
3.  
4.  
5.  
On the transfer switch, turn Generator MAIN breaker OFF and turn Utility MAIN breaker ON.  
Turn ON any branch circuit breakers in the transfer switch that are OFF.  
Shut down the generator, following the procedures in the generator Owner’s Manual.  
Unplug the power cord from the generator and then the power inlet.  
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.  
TABLE 2 - Wire Connector Usage Chart:  
WIRE SIZE  
12  
Red  
Red  
NA  
NA  
NA  
10  
NA  
Red  
Red  
NA  
NA  
8
NA  
NA  
NA  
Blue  
Blue  
6
NA  
NA  
NA  
Blue  
Blue  
14  
12  
10  
8
6
TABLE 3 – Compatible Circuit Breaker Types:  
Compatible GFCI, Arc-Fault/ Surge Protection Circuit Breakers:  
Siemens QP, QT, QPH, HQP, QPF, QPHF, QFP, QE, QEH  
Westinghouse Series BD, BR, BQ, GFC  
Challenger Type A, C, HAGF  
Siemens: QPF (GFCI), QAF (Arc Fault), QP (Surge Protector)  
Square D Series HOM  
GE Series THQL  
TYPICAL HARDWIRING  
Gen/Tran Corporation  
P.O. Box 1001, Alpharetta, GA 30009-1001  
Toll Free 1-888-GEN-TRAN Fax: 770-552-7756  
© 2002-2004 Gen-Tran Corporation. All Rights Reserved. PowerStay is a registered trademark of Gen-Tran Corporation .  
PN 50050 Rev C 3-25-04  
4

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