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SECTION 4 | Parameter Setup
4.4.2.11 LV CUT OFF TIME (Table 4.3, Screen No. 11)
4.4.2.11.1 Value of LV CUT OFF TIME: 1 to 7200 sec
Even when the Inverter Section is shut down due to “Battery low voltage!” fault condition as described at Section
4.4.2.9, there will still be some power drawn from the battery to keep the other circuitry in the EVO™ Inverter/Charger
alive so that the inverter can be switched on when the fault gets cleared automatically after the battery has been
recharged to the “RESET VOLTAGE” (Section 4.4.2.7) or when AC input voltage is available. However, if the fault is
not cleared over a long period of time, the battery may get completely discharged. Hence, a timer is used to record
the duration of “Battery low voltage!” condition (Section 4.4.2.9). The EVO™ Inverter/Charger will be completely shut
down (LCD Display / LED / Buzzer will be OFF) when the duration of the “Battery low voltage!” fault condition (Section
4.4.2.9) is equal to the “LV CUT OFF TIME”.
4.4.2.11.2 Value of LV CUT OFF TIME: 0 sec
4.4.2.11.2.1 When the value of parameter "LV CUT OFF TIME" is set at 0 sec, activation and resetting of "Battery
low voltage!" fault condition (Srl. 1, Table 7.1) will be as described in Section 4.4.2.9.2.
4.4.2.11.3 Programming Steps for Parameter "LV CUT OFF TIME TIME"
ð ð
E V O - 1 2 1 2 F I n v e r t i n g
A C o u t p u t : 1 2 0 . 0 V
< 0 . 1 0 A
6 0 . 0 0 H z
Enter Key Enter Key
Any Operating Mode Screen from
Fig 3.1 to 3.5
[Above screen is Screen 1 of Fig 3.2(a)]
Password 8052
See Section 4.3.1
See Table 4.3, Parameter Setup
Screen No. 11 for
programmable range
S e l e c t G r o u p
* C H A R G E C U R V E
ð
S e l e c t P a r a m e t e r
C H A R G E C U R V E
* B U L K C U R R E N T
2 0 A
ð
S e l e c t P a r a m e t e r
C H A R G E C U R V E
* L V C U T O F F T I M E
1 2 0 0 s e c
S e l e c t P a r a m e t e r
C H A R G E C U R V E
* L V C U T O F F T I M E
1 2 0 0 s e c
Enter Key
Down Key x 10 times
P a s s w o r d k e y i n
0 0 0 0
ð
Enter Key
4.4.2.12 EQUALIZE – 4 STAGES (Table 4.3, Screen No. 12)
Please refer to Section 5.8.2 of the separate Owner’s Manual for EVO-1212F/1212F-HW/1224F/1224F-HW for
background information on 4-Stage Adaptive Charging Prole for Equalization
When AC input within the programmed window of voltage and frequency is available, EVO will operate as a battery
charger and charging will be carried out based on the selected option of parameter "CHARGING PROFILE". Parameter
"CHARGING PROFILE" (Section 4.4.2.21) allows option to select from 6 Charging Proles - 3 proles of 3-Stage and 2
proles of 2-Stage charging. Default prole option is "0=3-Stage Adaptive"
4-Stage Adaptive Charging Prole for Equalization can be activated AT ANY TIME through programmable parameter
"EQUALIZE-4STAGES" set to "1=Yes". The Default Setting is "0=No" i.e. charging will be carried out as per 3 or
2-Stage prole that has been selected by parameter "CHARGING PROFILE" (Section 4.4.2.21). After the 4-Stage
Adaptive Charging Prole for Equalization is completed, parameter "EQUALIZE-4STAGES" resets automatically to the
default setting i.e. Option "0=No" and the charging prole reverts to the last stage of the “CHARGING PROFILE” that
was active when 4-Stage Adaptive Charging Prole for Equalization was activated. Details are given at Table 4.4:
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