Must PV1100 PLUS 1200VA User manual

420-00249-05

13
12
(Wide Range)
(Narrow Range)
Plastic
Plastic
Piecesc
Piecesc
Boost Voltage 14.4VDC±0.2VDC 28.8VDC±0.3VDC
13.7VDC±0.2VDC 27.4VDC±0.3VDC

Use the table below
Green LED is on.
No LED display
Trouble Shooting
Set "Solar first"or "SBU priority"as
the priority of output source.
Buzzer beeps
continuously and
red LED is on.
Fault code 00 Output short circuited.
Check if wiring is connected
well and remove abnormal
load.
Fault code 01 Overload error. The inverter is
overload.
Reduce the connected load by
switching off some equipment.
Fault code 15 Battery voltage too low. 1. Re-charge battery.
2. Replace battery.
Fault code 03 Output voltage too high. Return to repair center.
Fault code 04 Output voltage too low. Return to repair center.
Fault code 06 Battery voltage too high. Check the battery specifications.
Fault code 07 Fan fault. Replace the fan.
Output short circuit
Over load
Output voltage too high
Output voltage too low
Battery voltage too high
Fan fault
Battery voltage low
Personnel Precautions
ever

It is a cost effective, intelligent solar inverter which accept Solar&Utility input at the
same time. The comprehensive LCD display offers user-configurable and easy-accessible
button adjustment such as battery charging current, AC/solar charger priority and output
source priority, When battery voltage low, it will automatically switch to AC grid to supply
continuously power to the loads.
(plastic case)
Input fuse(metal case)
metal case
only can
NOTE: Before installation, please inspect the unit. Be sure that nothing inside the package is damaged.
Version model=nor Version number=1.05
CPU version
Standby mode: The inverter
is not turned on yet but at
this time, the inverter can
charge battery with AC
input and PV energy.
/or PV energy.
Standby Mode

not
Fig.1
e b
2) Multiple batteries in series connection(Refer to Fig.3):The sum of their voltages must be equal to the Nominal
DC Voltage of the unit.All batteries must be equal in voltage and amp hour capacity.
Step4: Install a DC Breaker in a positive line. The rating of the DC Breaker must be according to the inverter’s
battery current (75Amp). Keep the DC Breaker off.(See Fig.2)
Step5: Connect battery cable to the external batteries.
Note: For the user operation safety, we strongly recommend that you should use tapes to isolate the battery
terminals before you start to operate the unit.
1) Single battery connedion (Refer to Fig.2) : When using a single battery, its voltage must be equal to the Nominal
DC Voltage of the unit.(See below Table 1)
Input frequency/Output frequency
Input frequency 0Hz Output =5 frequency=50Hz
Input Output voltage=230V voltage=230V
Battery Output voltage=25.5V voltage=230V
Battery voltage/ voltageOutput
Battery voltage/Load percentage
Battery voltage=25.5V Load percentage=70%
The LCD display information will be switched in turns by pressing "UP or DOWN” key.The selectable information
is switched as below order: input voltage, output voltage,input frequency, output frequency, PV voltage,PV
power,charging current,PV power,battery voltage,output voltage, load percentage, load in Watt,CPU version.
Battery voltage/Load in Watt

3) Multiple batteries in parallel connection(Refer to Fig.4): Each battery’s voltage must be equal to the Nominal DC
Voltage of the unit.
please
Torque Value
10.0V
20.0V
1200/1800VA
2400VA
Setting range is from 10.0V to 12.0V for 1200/1800VA model,
20.0V to 24.0V For 2400VA model. Increment of each click is 0. 1V
Low DC cut-off voltage will be fixed to setting value no matter what
percentage of load is connected.
11.0~12.5V (default value is 11.5V)
22.0~25.0V (default value is 23.0V)
12.0~14.0V (default value is 13.5V)
24.0~28.0V (default value is 27.0V)

1.Open Circuit Voltage (Voc) of PV modules does not exceed max. PV array open circuit voltage of inverter
Charging Current (PWM)
System DC Voltage
Operating Voltage Range
Max. PV Array Open Circuit Voltage
INVERTER MODEL
15~18Vdc
30~32Vdc

turned off.
or standby mode.
In AC mode or standby mode, it will present battery charging status.
version model
Indicate output voltage,output frequency,PV power,load percent,load in Watt
version number.
Voltage
turn
Line input voltage normal
Line input voltage fault
PV input voltage normal
PV input voltage fault
Off
Inverter mode (low-battery voltage)
In battery mode ,it will present battery capacity.
alarm or button beep is disabled.
After pressing and holding “ENTER” button for 2 seconds, the unit will enter setting mode. Press "DOWN" button
to select setting programs. And then, press "ENTER" button to confirm the selection or “ESC” button for 2
seconds to exit.
0-25%,26%-50%,51-75% and 76-100%.
0-25%26%-50% 51-75% 76-100%
Solar energy provides power to the loads
as first priority.
If solar energy is not sufficient to power all
connected loads, battery energy will supply
power to the loads at the same time.
Utility provides power to the loads only
when any one condition happens:
- Solar energy is not available.
- Battery voltage drops to low-level cut-off
voltage or the setting point in program 08.