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Controls and Indications
44
Icon
Description
Transfer to Mains
The Transfer to Mains
button control the operation of the mains load
switching and is only active in Manual Mode
once the generator bus is
available.
‘Normal’ Breaker Button Control
•
Synchronising NOT Enabled: Pressing the Transfer to Mains
button when the Mains is available and off load, the generator bus load
switch is opened (‘Close Bus’ becomes inactive) and the mains load
switch is closed (‘Close Mains’ becomes active). Further presses of the
Transfer to Mains
button have no effect.
•
Synchronising Enabled: Pressing the Transfer to Mains
button
when the Mains is available and off load, the module synchronise the
Generator Bus to the Mains. The mains load switch is then closed in
parallel with the Generator Bus (‘Close Mains’ & ‘Close Bus’ are active).
Further presses of the Transfer to Mains
button ramps the entire
load from the Generator Bus to the Mains. Once done, the Generator Bus
load switch opens (‘Close Bus’ becomes inactive) leaving just the mains
supplying the load.
‘Alternative’ Breaker Button Control
•
Synchronising NOT Enabled: Pressing the Transfer to Mains
button when the Mains is available and off load, the generator bus load
switch is opened (‘Close Bus’ becomes inactive) and the mains load
switch is closed (‘Close Mains’ becomes active). Further presses of the
Transfer to Mains
button opens and closes the mains load switch
(‘Close Mains’ changes state) and leaves the bus load switch in the open
position (‘Close Bus’ remains inactive).
•
Synchronising is enabled: Pressing the Transfer to Mains
button
when the Mains is available and off load, the module synchronise the
Generator Bus to the Mains. The mains load switch is then closed in
parallel with the Generator Bus (‘Close Mains’ & ‘Close Bus’ are active).
Further presses of the Transfer to Mains
button ramps the entire
load from the Mains to the Generator Bus. Once done, the Mains load
switch opens (‘Close Mains’ becomes inactive) leaving just the Generator
Bus supplying the load.