EA660 Modular UPS
User manual & Operation explain
13
A B C-1 C-2 C-3
1
、
A is no-source output dry contact, two pins as one pair(see the picture above)
。
no-source dry
contacts controled by relay; each pair of the dry contact connection is shown below (AC type and DC
type)
：
Input AC
：
input DC
：
Alarm correspondance see below
：
Mark
Mode
Dry contact pair connection
Two ends of the dry contact disconnected
LOADINV
Inverter output
System in inverter output mode
System in non-inverter output mode
LOADBYP
Bypass output
System in bypass output mode
System in non-bypass output mode
INVFAIL
Inverter failure
System inverter votage abnormal
System inverter votage normal
BYPFAIL
Bypass Failure
System bypass input voltage abnormal
System bypass input voltage normal
Note
：ｗｈｅｎ ｉｎｐｕｔ ＡＣ， ｔｈｅ ｍａｘ ｖｏｌｔａｇｅ ｉｓ ２７７Ｖ，ｍａｘ ｃｕｒｒｅｎｔ ｉｓ ７Ａ；ｗｈｅｎ
ｉｎｐｕｔ ＤＣ， ｔｈｅ ｖｏｌｔａｇｅ ｉｓ ２４Ｖ．
