TS 870 TRANSFER SWITCH
5.Attach a safety lockout padlock to the service disconnect control switch to prevent unauthorized change in operating condition and verify transfer switch door is locked closed.
6.To reenergize the load, remove the padlock(s) from the service disconnect control switch, and move the switch to the Energized position. The transfer switch will immediately return to the utility or generator supply if within normal operating limits.
5.3.TEST MODES
The transfer switch may be tested utilizing the TSC 80 controller
The transfer switch will remain on generator supply until the test mode is terminated. It will then immediately transfer back to the utility supply and then continue to operate the generator set for its cooldown period then stop. Note: The transfer switch will automatically return to the utility supply (if within nominal limits) if the generator set fails while in the test mode.
6.OVER CURRENT PROTECTION
Thomson Technology TS 870 series of Automatic Transfer Switches may be supplied with or without integral over current protection as described below:
6.1.STANDARD TS 870 AUTOMATIC TRANSFER SWITCH
The standard TS 870 Automatic Transfer Switch does not contain any integral over current protection and requires upstream over current protection devices for both Utility and Generator sources. The Standard TS 870 is rated for 100% continuous loading and can withstand a maximum short circuit fault current as noted in Section 15 of this manual. The standard TS 870 transfer switch model without integral over current protection is identified in the product model code. Refer to Section 4.1 of this manual for further details on model coding.
6.2.OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER CURRENT PROTECTION
TS 870 transfer switches will have integral over current protection supplied on the Utility source as standard. The type of over current protection utilized is dependent upon ATS amperage size and optional features specified. For transfer switches rated 100A through
PM062 REV 5 08/05/05 | 13 | Thomson Technology |
