6
DIP Switches 1 & 2 – Battery Type Select
The SunSaver Duo charges both sealed and flooded lead-acid batteries
per the charging specifications in table 1 below.
DIP Switch OFF:
Sealed battery type (factory pre-set)
DIP Switch ON:
Flooded battery type
BATTERY TYPE
Setpoint
Sealed
Flooded
Absorption Voltage
14.1 V
14.4 V
Float Voltage
13.7 V
13.7 V
Boost Voltage
X
14.8 V
Boost Time
X
2 hrs
Boost Interval
X
28 days
Table 1. Standard battery charging programs
DIP Switch 3 – Battery Charging Priority
Select the percentage of available charge current to each battery.
DIP Switch 3 OFF: 90% / 10% Priority (factory pre-set)
DIP Switch 3 ON: 50% / 50% Priority
DIP Switch 4 – Custom Setpoints
If the standard battery type settings are not suitable, custom charging
setpoints can be programmed using a PC and a Morningstar Serial to
Meterbus adapter (not included). See Morningstar’s website for more
information.
DIP Switch 4 OFF: Factory settings (factory pre-set)
DIP Switch 4 ON: Custom programmed settings
DIP Switch 5 – Regulation Type
The SunSaver Duo is a PWM charge controller. Some systems with
sensitive equipment may experience noise interference from PWM
charging. Refer to the FAQ in Troubleshooting for tips on how to
reduce or eliminate PWM noise.
If the noise cannot be satisfactorily reduced, place DIP switch 5 in
the ON position. While less efficient, Slow Switching regulation will
significantly reduce or eliminate PWM noise.
DIP Switch 5 OFF: PWM Regulation (factory pre-set)
DIP Switch 5 ON: Slow Switching Regulation
Summary of Contents for SUNSAVER DUO
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