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Advanced Programming
Accessing The Advanced Programming Mode
The MC-624 provides a broad range of advanced user adjustments in its Advanced Programming mode. The Ad-
vanced Programming mode can be accessed at any time via the following steps:
1. With the regulator activated, TOUCH / HOLD the magnet to the RED dot on the regulator’s epoxy potting.
2. The regulator will cycle to PRO.
3. Remove the magnet from the switch when the PRO code is displayed.
4. The PrA code will be displayed, indicating entry into the Advanced Programming mode, followed by codes for the
individual Advanced Programming adjustment codes as described below.
5. Re-activate and hold when the desired Advanced Programming adjustment mode is indicated.
Pro INDICATES ACTIVATION OF MAGNETIC REED SWITCH / ENTRY INTO PROGRAMMING MODE. RELEASE
MAGNET FROM SWITCH AS SOON AS PRO CODE IS INDICATED.
PrA INDICATES ENTRY INTO ADVANCED PROGRAMMING MODE. PRA CODE WILL BE FOLLOWED BY INDIVIDUAL
PROGRAMMING MODES AS INDICATED BY CODES BELOW.
Making Advanced Programming Adjustments
Once accessed, the Advanced Program mode allows the user to adjust time, voltage and temperature settings for
most operational modes. When the desired mode is indicated, TOUCH / HOLD the magnet to the RED dot on the
epoxy potting. When the reed switch is engaged, the values for the various modes will scroll upward or downward.
To reverse the direction of scroll:
1. REMOVE the magnet from the reed switch.
2. Wait for the mode indicator to be displayed.
3. TOUCH / HOLD when the mode indicator is displayed. The values for that mode will begin to scroll in the
opposite direction. Continue to HOLD until the desired value is displayed.
4. REMOVE the magnet from the RED dot. The mode indicator will be displayed again, followed by the indicator
for the next Advanced Programming mode. The Advanced Programming Modes are as follows:
(dLc) Start Delay.
Controls time from regulator activation to start of charging. Factory preset at one
second. Adjustable to a maximum of 999 seconds. To reverse direction of scroll, release magnet and wait
for LED to display dLc code. Re-activate switch with magnet and release when desired value is indicated.
(CL) Compensation Limit.
Controls maximum allowable temperature compensated system voltage.
Adjustment spans from 28.2 to 31.8 volts. Default is 29.6V. To reverse direction of scroll, release magnet
and wait for LED to display Cl code. Re-activate switch and release when desired value is indicated.
(bv) Bulk Voltage.
Controls the target voltage for bulk charge mode. Starts at value set by battery program
in use. Adjustment spans from 28.2 to 29.6 volts. To reverse direction of scroll, release magnet and wait for
LED to display bv code. Re-activate switch and release when desired value is indicated.
(b1c) Bulk Time.
Controls time setting for bulk charge mode. Standard value set is 30 minutes. Settings
are from 6 minutes to 6 hours. To reverse direction of scroll, release magnet and wait for LED to display b1c
code. Re-activate switch with magnet and release when desired value is indicated.
(Av) Absorption Voltage.
Controls the target voltage for absorption charge mode. Starts at value set by
battery program in use. Adjustment spans from 27.8 to 29.4 volts. To reverse direction of scroll, release
magnet and wait for LED to display bv code. Re-activate and release when desired value is indicated.
(A1c) Absorption Time.
Controls time setting for absorption mode. Standard value set is 18 minutes.
Settings are from 6 minutes to 6 hours. To reverse direction of scroll, release magnet and wait for LED to
display a1c code. Re-activate switch with magnet and release when desired value is indicated.
(Fv) Float Voltage.
Controls the target voltage for float stage. Adjustment spans from 26.0 to 27.6 volts.
Default is based on battery program selected. To reverse direction of scroll, release magnet and wait for
LED to display Fv code. Re-activate switch and release when desired value is indicated.
