Samlex America TS-1500 - Manual (Page 8)

6
4.1 Expla nati on of UPS Mode Control Logic
ON
28.5V
26.5V
28.5V 28.5V
ON
OFF
ON ON
By pass
mode
Inverter
Mode
Battery
voltage
ON
OFF
Solar charger
state
AC charger
state
ON
OFF
ON
OFF
OFF
26.5V
28.5V
OFF
ON
29.0V
ON
OFF
OFF
ON
Power-On Re-power-on
21V(Shut-down)
t
t
t
t
t
Utility
Power
ON
OFF
22.5V
(Alarm)
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
25.4V
t1 t2 t3 t4 t5 t6 t8 t9 t10 t11 t12 t7
26.5V
Figure 4.1: D iagram of UPS M ode Control Log ic
t1: To ensure the battery i s at full capacity, when t he T N-1500 is turned on , the
t2: Wh en the batte ries are full (battery voltage aro und 28.5V), both the AC and
CPU will execute th e "Bypa ss M ode" automatically connecting the AC main to
the loa d. I n the m ean time, it will acti vate bot h th e A C charger and solar
solar char ger will be turned off by the C PU to prevent overcharging and
reducing the battery lif etime. In the meanti me, the syst em will remain i n the
"Bypass Mode" and AC electricity provi ded to the loads is coming from public
utility.
charger to simultaneou sly charge the batteries.