Installation of ST Series Automatic Transfer Switch · 2012. 7. 12. · Aisikai SKT1-200 200Amp Automatic Transfer Switch Manual and Automatic Capabilities Rated Voltage 440V Rated

4038 E Superior AveSuite 103Phoenix AZ, 85040

Phone: 877-902-2288www.AffordableGenerator.comSales@AffordableGenerator.com

Installation of ST Series Automatic Transfer SwitchThis manual serves to assist in the installation of the 200Amp Automatic Transfer Switch (ATS) used in conjunction with the generator purchased. Electrical wiring is dangerous and if worked on in the improper fashion could lead to serious bodily injury or even death. It is highly recom-mended that capable and trained personnel be utilized.

Aisikai SKT1-200 200Amp Automatic Transfer SwitchManual and Automatic Capabilities

Rated Voltage 440VRated Amperage 200Amp



The Automatic Transfer Switch is encased in a Nema 3 rated steel enclosure. It is set up for out-door use and is made to be wall mounted. The door is secured with two 12mm lugs. A manual transfer handle and keys are included with the transfer switch.

1. Mount the transfer switch. Most place the box next to their service panel.

2. Set the switch to the O position. Do this before installing any wiring. Use the provided manual switching handle to set the switch to the O position between I and II.

INSTRUCTIONS



3. Attach your G1(Generator L1) and G2(Generator L2) Lines from your L1 and L2 lugs on the generator to the REAR TOP lugs on the transfer switch.

NOTE: Take care as to run the matching G1 and G2 lines from the generator to the switch as it is critical to the proper AUTO switching of the generator. In the event you have trouble with the automatic switching of your gen set to gen power, physically swap the G1 and G2 lines.

4. Attach your L1( Mains L1) and L2(Mains L2) lines from your service to the TOP FRONT of your transfer switch.



6. Attach your Neutrals to the Neutral Post

Note: You may have to add your own three way neutral splitter as it is not provided with the transfer switch.

5. Attach your L1(Load L1) and L2(Load L2) to the bottom of the transfer switch.



7. Run your sensing wires 48, 47, 39, 42 from the transfer switch terminal block to the generator terminal block.

8. Use the grounding post to ground the box and ground connections. Note: You may have to provide your own three way grounding terminal. This will be determined and is at the discretion of the electrician.



9. Upon completion of wiring check and recheck that wiring is correct. The key position should be place in the RED position. This will place the transfer switch in manual mode. At this point turn on the MAINS power. Turn the key to the GREEN position. This will place the transfer switch in AUTOMATIC mode. Once the Mains power is turned on the switch will automatically change to the I position.

10. With the transfer switch wired in, merely set your generator to AUTO mode by press-ing the AUTO button on your Deep Sea 7220 Controller. When the switch is on Mains power the lever will indicate the I position as show below.



When the switch is on Generator power the lever will indicate the II position as shown here.

11. The G1 and G2 lines will be wired to the breaker as follows



TROUBLESHOOTING:If you have trouble getting your generator to transfer automatically there are two things you can check.

IF TRYMains Fail and Gen Starts but no transfer Physically swapping G1 and G2 LinesMains Fail and Gen no start no transfer Check fuse in switch

Mains Resume and Gen no stop no transfer Check fuse in switch

For further assistance contact 877-902-2288

Documents

Installation of ST Series Automatic Transfer Switch · 2012. 7. 12. · Aisikai SKT1-200 200Amp Automatic Transfer Switch Manual and Automatic Capabilities Rated Voltage 440V Rated