INFOSEC UPS SYSTEM E4 Evolution II TT Series - 6-3. Maintenance Bypass Operation

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INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – France – www.infosec-ups.com
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 02 19 AA 59 203 07
6-3. Maintenance Bypass Operation
If any fault occurs on any one of power stages/modules, please follow below steps to transfer to
maintenance bypass for maintenance and UPS protection as below.
6-3-1. Transfer to maintenance bypass
Step 1:
Remove the mechanical lock plate of maintenance bypass.
E4 Evolution II 100K/120K TT S
E4 Evolution II 160K/200K TT S
Step 2
Make sure the UPS operates in Bypass mode as shown below.
Step 3
Switch ON the maintenance bypass breaker as shown below.
E4 Evolution II 100K/120K TT S
E4 Evolution II 160K/200K TT S