Using an AGS Module: Setup
Page 86
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2017 Sensata Technologies
Info:
The
METER: 05 BMK Meters/05A BMK SOC
meter must have a valid SOC number
for the
04D Gen
to determine when to start and stop based on the battery SOC. Under
the
METER/05 BMK Meters/05A BMK SOC
menu,
Think’n
,
No Comm
, or any BMK fault
(i.e.,
Factory Fault
,
Power-up Fault
, or
Unknown Fault ##
) are not valid SOC numbers.
Info:
When the
04D Gen Run SOC
feature is enabled and a generator SOC start is
triggered, the router issues a one-time “ Start Bulk” command to the inverter/charger.
This ensures—after the generator connects—that regardless of battery voltage, a Bulk/
Absorb charge cycle is started.
Where should I set Gen Run SOC?
Most battery manufacturers recommend that for optimum
battery life, deep-cycle batteries should not be discharged below 50% SOC. The ME-BMK
determines the battery’s SOC by using a DC shunt to measure the
fl
ow of current in and out of
the battery. Many refer to a SOC meter as a “fuel gauge” for your batteries, since this meter gives
you an accurate reading of how much capacity is remaining in the battery bank.
Set the
Start SOC
level to
50%
, or to
60%
if you do not want to discharge the batteries quite
as much. When considering the
Stop SOC
setting, keep in mind that running the generator past
90% SOC delivers very little current to get that last 10% into the batteries. Thus, it is common to
stop the generator at 90% to save fuel and run time on the generator. However, if the SOC stop
setting is less than 100%, the batteries should be charged to 100% as often as possible (~ once
per week, or every other discharge cycle) in order to avoid sulfation of the battery plates (see the
SETUP: 04J Gen 100% SOC Start
feature).
SETUP: 04E Gen Run Temp Menu
This menu allows you to automatically start the generator, either from an external temperature
sensor, or by receiving an external input command from an A/C thermostat—typically, to power
an A/C unit for cooling—based on an increase in temperature.
Note:
This temperature autostart feature requires that the AGS’s remote temp sensor cable or an
optional ME-PT1 or ME-PT2 pigtail adapter be connected to the AGS’s REMOTE (purple) port.
Info:
The optional ME-PT1 or ME-PT2 pigtail adapters can be used to connect an A/C or
relay control circuit. For more info, refer to the instruction sheet for each pigtail adapter
(part number 64-0025 for ME-PT1 instructions, or 64-0026 for ME-PT2 instructions).
• Set
Gen Run Temp (Start Temp)
– This menu enables and sets the temperature that
triggers a generator autostart. If the temp start feature is not needed, set to the
OFF
position.
ExtInput
– This setting is used when an optional pigtail adapter (ME-PT1, or ME-PT2) is used.
When an AGS pigtail adapter is connected to the AGS’s REMOTE port, an external command—
either from a thermostat connection on an air conditioner control circuit or external relay
control circuit—is recognized and causes the AGS to begin a generator autostart sequence.
Once the external command is no longer recognized, an autostop sequence is given and the
generator stops after a minimum two-minute delay.
65F–95F (18C–35C)
– These settings determine the rising temperature value that triggers
a generator temperature autostart.
Default setting:
Start Temp = OFF
Range:
OFF, ExtInput, 65F-95F (18C-35C*)
• Set Gen Run Temp (Run Time)
– This menu sets the amount of time the generator runs
after a temperature autostart when using the remote temperature sensor.
Default setting:
Run Time = 2.0 Hrs
Range:
0.5-25.5 Hrs (0.5 hr increments)
Info:
The
Run Time
in this menu uses the METER button’s
04C Gen Run Time
display to determine the generator’s run time.
*
Setting shown in Celsius if SETUP/01 System Setup/01D Temp Display has ‘Celsius’
selected.
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