CHC-1224-xx User Manual
Revision 1.0
Page 8 of 8
windy
nation
07/19/2013
When the battery voltage goes down continuously into an over-discharge condition, the Battery LED will turn
red and the Load output will switch off.
The system will automatically resume normal operation and switch on the load output and when the battery
voltage recovers to the over-discharge return voltage.
3.2.3
Load LED
The load LED is red when a load output is operating normally.
If the load current is 1.25 times higher than the rated current of the controller for 60 seconds or 1.5 times
higher than the rated current for 5 seconds, then the controller will shut down the output and the Load
LED will blink red slowly to indicate that an overload condition occurred.
To resume normal operation, disconnect the load at fault and press the Power/Mode button. The charge
controller will resume normal operation after 30 seconds.
The Load LED will blink red rapidly to indicate that a short circuit condition occurred. If a load short circuit
occurs, the controller will shut down the output. If this happens, verify load connections. To resume normal
operation, remove the short circuit at the load and press the Power/Mode button. The charge controller will
resume normal operation after 30 seconds.
3.3 S
ETTING
M
ODES
The charge controller has a mode setting function to set specific operation parameters. It is preset to the
factory default of normal control. The load will draw from the battery at all times, and the PV panel will charge
the battery when sunlight is available.
To set modes, press and hold the Power/Mode Button until the number on the LED display begins to flash
(~5 seconds). Press the button repeatedly to choose the desired mode number. When the desired number is
selected, stop pressing the button and wait for number to stop flashing, indicating that the setting is
completed. The display will turn off after several seconds. Press the button to check the value.
IMPORTANT:
Settings 10 through 17 may appear as a single digit and have a dot (.) after the mode number.
IMPORTANT:
The controller requires about 10 minutes of continuous transition values before it starts
working properly. These constraints avoid false transitions due to lighting or shading
.
3.3.1
Normal Control
This is the default setting. The load will draw from the battery at all times, and the PV panel will charge the
battery when sunlight is available. When selecting this mode (16 or 6-dot), press the Power/Mode button
again after the mode is set to turn on the load output.
Note: In this mode only, the Power/Mode button will turn the load output on and off when pressed. After
selecting this mode, make sure the load LED is on, indicating load output.
3.3.2
Night ON+ Day OFF Control Mode
The load will start working when it gets dark until it gets light. There is a 10 minute delay before turning on
the load in order to make sure it is really dark and not a passing cloud etc.
3.3.3
Night ON + Set Time Delay OFF Mode
The load will switch on same as above, and remain on for a set duration. Once the selected time has
elapsed, the load will switch off. The duration setting is listed in mode setting table. 1 to 15 hour delays can
be selected, in increments of 1 hour. If the time setting overlaps with the occurrence of light control, then light
control takes priority.
Press and hold
un-l LED
Flashes
Press to Select
Mode Number
Release at
desired mode,
wait for blinking
to stop
Mode is set.
Mode display
turns off
automa-cally
