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Parameter 

Default Value 

Delay 

(secs.) 

Lead Acid 

Nickel Cadmium 

Re-Transfer Mode 

Automatic 

20 

Preferred Source 

Inverter 

 

Load Window High 

+20% 

 

Load Window Low 

-20% 

 

Utility Voltage High 

+10% 

10 

Utility Voltage Low 

-10% 

Inverter Voltage High 

+10% 

10 

Inverter Voltage Low 

-10% 

Low DC Voltage 

1.98 V/C 

1.20 V/C 

Low DC Voltage Reset

 

2.10 V/C 

1.25 V/C 

 

Low DC Voltage Shutdown

 

1.73 V/C 

1.10 V/C 

Low DC Voltage S.D. Reset 

2.05 V/C 

1.35 V/C 

 

High DC Voltage Shutdown 

2.45 V/C 

1.60 V/C 

High DC Voltage S.D. Reset 

2.40 V/C 

1.55 V/C 

 

Current Limit 

150% of Nominal Output Current 

 

Transfer Time 

1 Millisecond 

 

Hit Counter 

 

Table 1 

 Inverter Factory Default Values 

NOTE:

 V/C 

 Volts per Cell. 

 

Adjusting Parameters 

All  equipment  is  shipped  from  the  factory  fully  tested  and  set  per  model  number.  Do  not  make  any 
adjustments unless the equipment has been powered-up and the settings have been determined to be 

incorrect. If the  settings  have been determined  to be incorrect, adjustments may be made as detailed 
below.  
 

3.1 

Settings Menu 

In the Settings Menu, the user can access and change various parameters. Access menus by pressing the 

ENTER/MENU button on the front panel. Navigate using the UP, DOWN,  ENTER, and BACK buttons. To 
enter a submenu, use the ENTER button. To exit a submenu, use the BACK button. To exit the Settings 

Menu, continue to press the BACK button until prompted to exit and save settings. Follow the prompts as 
desired. 
 

NOTE:

 It is important to be aware that transfers are disabled in the calibration modes.   

 

Summary of Contents for Option 22D

Page 1: ...lamarchemfg com 106 Bradrock Dr Des Plaines IL 60018 1967 CPN 108859 Instruction Drawing Number P25 LOPT22D 1 Tel 847 299 1188 Fax 847 299 3061 Revision A01 Rev Date 01 21 ECN 22782 Operation Manual...

Page 2: ...roll through the information Status Indicator LEDs Auto Manual Retransfer LED is ON solid when the inverter is set to automatically transfer back to preferred source when available LED is ON blinking...

Page 3: ...ut DC voltage falls below the specified voltage threshold of the alarm for longer than the specified alarm delay setpoint The alarm will clear once the input DC voltage rises above the Low DC Voltage...

Page 4: ...V C Volts per Cell 3 Adjusting Parameters All equipment is shipped from the factory fully tested and set per model number Do not make any adjustments unless the equipment has been powered up and the s...

Page 5: ...e available The currently used source can be changed in this mode by pressing the Test Transfer button when in the main screen NOTE When in Manual Retransfer Mode the user will have to press the Test...

Page 6: ...ailable and the inverter will transfer to the inverter source if available Utility Delay This setting is used to set the amount of time the Utility Voltage must be within the upper and lower limits de...

Page 7: ...transfer time The higher the Hit Counter value the slower the transfer time will be Only adjust if absolutely necessary 3 1 9 Alarm Settings The Alarm Settings menu provides access to adjust basic set...

Page 8: ...8 Document Control and Revision History Part Number 108859 Instruction Number P25 LOPT22D 1 Issue ECN 16282 12 03 22782 01 21 16282 12 03...

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