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IB140036EN
Instruction Booklet
Page
26
Effective: October 2014
O&M Manual for 40-1200A (480/600 Vac) ATC-900 3-Position,
Open/Closed Transition Contactor Based Transfer Switch
Section 10: ATC-900 Controlled ATS
Quick Start Instructions
WARNING
THESE QUICK START INSTRUCTIONS ARE NOT A COMPLETE
SOURCE OF INFORMATION ON THE ATC-900 CONTROLLED ATS
EQUIPMENT. INSTALLATION SHOULD NOT BE STARTED UNTIL
THE ENTIRE INSTRUCTION BOOK HAS BEEN REVIEWED AND
UNDERSTOOD. FAILURE TO FOLLOW THE FULL INSTRUCTIONS
CAN RESULT IN DEATH, SEVERE PERSONAL INJURY, OR PROP-
ERTY DAMAGE.
WARNING
THESE QUICK START INSTRUCTIONS ARE PROVIDED FOR USE
ONLY BY TECHNICIANS HIGHLY FAMILIAR AND EXPERIENCED
WITH ATC-900 CONTROLLED ATS EQUIPMENT INSTALLATION,
SET UP, AND TESTING. IT IS STRONGLY SUGGESTED THAT THE
FULL INSTRUCTIONS BE FOLLOWED FOR ALL INSTALLATIONS,
SET UP, AND TESTING.
Step 1:
Mount the ATS on a flat rigid surface (Figure 18A &
18B). Shim if necessary.
Figure 18A. Mounting Details (Open Transition ATS).
Figure 18B. Mounting Details (Close Transition ATS).
Step 2:
Install the power cables. Cables must be sized and
installed per National Electrical Code, refer to NFPA70.
The cables must be sized within the specified cable size
range on the side of the cable connectors.
Connect the cables and torque to the correct value indi-
cated on the label on the door in the following order:
1.Load Cables
*
(T1, T2, T3);
2.Source 1 or Utility Supply (N1, N2, N3); and
3.Source 2 or Generator Supply (E1, E2, E3).
For 4 pole transfer switches, connect the load cables
(TN), Source 1 or utility supply (NN), and Source 2 or
generator supply (EN). Refer to Figure 19A & 19B for the
location of all parts discussed in this document.
* Load cables MUST be connected and torqued BEFORE
installing the SUPPLY cables (Figures 19A & 19B).
