MaxPower Corp Gamatronic Power+ M50 - Manuel (Page 51)

Gamatronic Electronic Industries Ltd.
POWER+ 3x208 V, User Guide, Release 2.3 35
5.4.2 Special Terminal Connections on 100 kVA Units
On the 100 kVA model, special-purpose connections are on the rear side near the power
terminals and can be seen in Figure 19 on page 19. The functions of the special purpose
terminals are shown in Figure 34.
PowerPlus system controller
PowerPlus UPS module
PowerPlus UPS module
PowerPlus UPS module
PowerPlus static switch
EXTERNAL BATTERY BOX
CB
PC727
P OWER P LUS S YSTEM
CB aux. contacts
provide “on/off”
indication
Pulse to
batt. trip coil
turns CB off.
External N.O.
EPO switch
N.O.
contacts:
closed for
bypass
operation
LOAD
ON
BYPASS
1 2
BATT.
C.B
1 2
E.P.O
1 2
Terminal block
located on rear
of static switch
module
Auxiliary contacts of Battery C.B.s are connected to
UPS Controller inputs “Bat CB” and “Com” as marked.
Figure 34: Special purpose terminals for 100 kVA system
5.4.3 Load on Bypass Alarm
This output dry contact is Normally Open, and closes when the UPS transfers the load to
bypass (Figure 33 and Figure 34). The dry contact reopens again when the UPS returns to
inverter mode.