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R
MAX CHARGE MC-624
MULTI-STAGE
VOLTAGE REGULATOR
BALLARD COMMERCIAL INDUSTRIES, INC.
18930 59TH AVE., NE, ARLINGTON, WA 98223
ON THE INTERNET: WWW.BALMAR.NET
© COPYRIGHT 2010, BALMAR
INSTALLATION AND OPERATION MANUAL
Safety Considerations
Introduction
The Balmar Max Charge MC-624 is the latest generation of
smart, multi-stage Balmar Max Charge voltage regulators. Designed to provide precise voltage control for Balmar high-output
24-volt alternators and other externally regulated P-type alternators, the MC-624 features user selectable programs for the following battery types: Deep cycle flooded, standard flooded, gel,
AGM and spiral wound AGM batteries. In addition, the regulator
features a universal default program that’s safe for most battery
types, as well as a program that’s designed for use in vessels
utilizing voltage sensitive halogen equipment.
In addition to the user selectable preset programs, the MC-624
features a wealth of advanced programming modes which make
it possible to tailor charging to a wide variety of environments.
When used in conjunction with optional MC-TS-A and MC-TS-B
alternator and battery temperature sensors, the MC-624 features
the ability to monitor and respond to a range of ambient temperature conditions, including reduction or discontinuation of charging voltages, should a catastrophic over-temperature condition
occur at the alternator or the batteries.
Introduction............................ 1
Safety Considerations.......... 1
Regulator Installation............ 2
Unpacking Box...................... 2
Locate/Mount Regulator....... 2
Basic Wiring Installation....... 2
Regulator Terminal Layout... 3
Installation By Wire............4-6
Initial Start Up........................ 6
Regulator Operation.............. 7
Regulator Display Modes..... 8
Using Magnetic Tool.............. 9
Regulator Programming....... 9
Basic Programming.............. 9
Adjust For Battery Type........ 9
Advanced Programming..... 11
Adjust Adv. Programs....... 11-12
Add’l. Regulator Features... 12
Troubleshooting.............12-14
Warranty............................... 15
Notes Page........................... 16
-1-
1. Always disconnect your battery
banks and ensure that switches
are “OFF” prior to installing your
regulator.
2. Remove loose-fitting clothing or
jewelry, which could become entangled in your motor or other machinery prior to installing regulator.
3. Wear ANSI-approved safety eyewear and protective gear.
4. DO NOT attempt to modify the regulator. Modifications could result in
damage to your charging system,
and will void your warranty.
5. Do not attempt installation if you
are tired or fatigued.
6. Ensure that the engine has cooled
before initiating installation.
7. Do not attempt regulator installation while using alcohol or medication that could impair your judgment or reaction time.
8. Always use the right tool for the
job. Improper tool use may damage regulator or your vessel, and
could result in personal injury.
9. Take time to read the manual.
Equipment damage and possible
injuries may result from an incomplete understanding of the installation and operation of the MC-624
regulator. If you are unfamiliar with
marine electrical systems, consult
with a licensed marine electrician.
caution: The following instructions are intended for use by experienced marine
electrical installers. If you are not experienced at installing electrical system
components, we recommend the use of a qualified marine electrical technician.
Regulator Installation
The following information is intended to provide the installer with the basic information required to complete installation.
This section of the installation manual will deal with mounting, wiring connections and basic programming for battery
type. Additional information regarding advanced programming adjustments and troubleshooting are addressed later in the
manual.
Unpacking The Box
Your Max Charge MC-624-H regulator kit is packaged with the
following items:
• Max Charge MC-624 regulator
• 54” wiring harness
• Magnetic programming tool
• Installation and operation manual
If any of the listed items is not included with your regulator kit, call our customer service department at 360-435-6100.
Please note -- if your regulator box is marked Max Charge MC-624, without the “H” designation, your kit will not include
the wiring harness.
Locate And Mount The Regulator
Choosing a mounting location for your voltage regulator should be determined based on the following factors; distance from alternator, distance from
inverters, transmitters and other sources of RF noise, convenient access
and readability of the display. The regulator wiring harness is 54 inches long,
providing a three to four foot radius for mounting. Ample airflow is essential
for the regulator’s proper operation. Ensure that the regulator is free from
obstructions that restrict air movement around or below the regulator’s aluminum heat sink. While the regulator is designed to operate safely in conditions typical of a marine engine compartment, the regulator may be better
protected, and easier to use and monitor if mounted outside of the engine
compartment.
Should it be necessary to install the regulator further than 54 inches from
the alternator, ensure that any wire extensions are properly connected, as
resistance in the harness wiring can affect charging efficiency. If harness
length must reach beyond approximately eight feet, replace the RED power
and BLUE field wires with larger gauge wire that’s sized to ensure voltage
drop < 3%.
Basic Wiring Installation
The regulator’s wiring harness includes six wires required for standard
installation. Four of those wires are connected to the regulator via a
Ford-style plug connector that’s pre-installed on the regulator. These
wires include the Ignition (BROWN), Power (RED), Stator (ORANGE)
and Field (BLUE). Plug is shown at right.
In addition, the harness includes a separate Ground (BLACK) wire. The
proper terminal connection points for this, and additional wiring connections, are illustrated on the pin location legend shown and discussed on
the following pages.
-2-
MC-624 Regulator Terminal Layout
1. IGNITION INPUT - Connects to a switched source
of battery voltage (to ignition switch or oil pressure
switch). BROWN wire in regulator wiring harness. Voltage provided can be 12V or 24V to activate ignition
circuit.
2. POWER INPUT - Supplies power to operate the regulator and deliver field current to excite the alternator.
RED wire included in Ford-style plug. The Power Wire
also provides a source of voltage for sensing. The
RED wire must be connected to a location that is a
direct source of battery voltage
3. STATOR IN - Connect to ORANGE wire included in
regulator wiring harness. This wire can be spliced
into to provide a source of an AC pulse to control a
tachometer
4. FIELD OUTPUT - Provides external (P-type) alternator field control for the primary alternator. BLUE wire in
regulator wiring harness.
5. ALT. TEMP. (+) - For use with optional Alternator Temperature Sensor (MC-TS-A). Sensor lug connects to
rear case bolt of alternator, enabling
regulator to monitor and react to alternator over-temperature condition. USE
CARE TO ENSURE POSITIVE AND
NEGATIVE WIRES ARE CONNECTED
TO THE APPROPRIATE REGULATOR
TERMINAL.
6. ALT. TEMP. (-) - For use with optional
Alternator Temperature Sensor (MCTS-A). SEE INFO ABOVE (#5).
7. BAT. #2 TEMP. (+) - User selectable circuit can be used to temperature sense
at a second battery bank. Requires either optional MC-TS-B sensor cable.
USE CARE TO ENSURE POSITIVE
AND NEGATIVE WIRES ARE CONNECTED TO THE APPROPRIATE
REGULATOR TERMINAL.
8. BAT. #2 TEMP. (-) - For use with optional Battery Temperature Sensor
(MC-TS-B).
-3-
9. BAT. TEMP. #1 (+) - For use with optional BATTERY
Temperature Sensor (MC-TS-B). Sensor lug connects to negative battery post, enabling regulator to
monitor and respond to battery temperature condition.
USE CARE TO ENSURE POSITIVE AND NEGATIVE
WIRES ARE CONNECTED TO THE APPROPRIATE
REGULATOR TERMINAL.
10. BAT. TEMP. #1 (-) - For use with optional Battery Temperature Sensor (MC-TS-B). SEE INFO BELOW (#8).
11. DASH LAMP - provides a source of ground under the
following conditions: Low charging voltage (<25.0V),
high charging voltage (>31.0V), high alternator temperature (>105°C), or high battery temperature (>52°C).
500 mA maximum.
12. GROUND INPUT - Connects regulator to system
ground via alternator ground terminal. BLACK wire included in Ford style plug. BAT. #2 TEMP. (-) - For use
with optional Battery Temperature Sensor (MC-TS-B).
Installation By Wire
Install brown Ignition Wire
The BROWN Ignition Wire (#1 in diagram at right) provides the ON/OFF voltage for the
regulator. This wire is included in the Ford-style plug at the regulator end of the wiring
harness. The other end of the wire is fitted with a butt connector. Typically, the ignition
wire is connected to the ON side of the ignition switch. This may be at the actual switch,
or to the wire in the existing engine wiring loom that delivers switched voltage from the
ignition switch. In some cases, an oil pressure switch may be used to activate the regulator. In either case, the regulator’s ignition wire must see zero volts when the engine
ignition is switched off. Voltage on the ignition wire may be 12V or 24V.
Install RED Power Wire
The RED Power Wire (#2 in diagram at right) is included in the four-wire Ford-style plug
and is factory installed on regulator packages designated with “H” at the end of the model
number. The other end of the Power wire is fitted with a ring terminal connector. In most
applications, this wire can be connected directly to the alternator’s positive output post.
When a diode-type battery isolator is used, the Power (RED) WIRE must be connected
to the battery side of the battery isolator. Power Wire is equipped with 10-amp ATC type fuse. The Power Wire must be
fused to ensure against damage to the voltage regulator.
Install ORANGE Stator Wire
The ORANGE stator wire (#3 in diagram at right) provides a source of AC stator output voltage which is used by the regulator to assist in voltage regulation. The regulator end of the stator wire is included in the black four-wire plug, which is
pre-installed on the voltage regulator.
When the tachometer is connected via the MC-624, the regulator will ensure that the tachometer will not discontinue supplying field current when the batteries are fully charged. When connecting the tachometer to the alternator stator output,
it will be necessary to determine the number of poles in the alternator in order to properly adjust your tachometer. Most
Balmar alternators feature 12-pole rotors and stators, though, in some cases, the pole count may be 14. See alternator
manual for specifics. See your tachometer manual for adjustment instructions.
Install blue Field Wire
The BLUE Field Wire (#4 in diagram at right) provides regulated current to control alternator output. The wire is included
in the wiring harness Ford-style plug and is pre-connected at the regulator. At the other end of the wire, you’ll find either
a plug or a ring terminal, depending on the alternator’s field terminal connection. Attach the field wire to the alternator’s
field terminal.
Install Alternator Temperature Sensor
The optional Alternator Temperature Sensor (MC-TS-A) allows your
MC-624 voltage regulator to monitor your alternator for temperatures in
excess of safe operating levels. The MC-TS-A sensor includes a 54” cable, a sensing attachment lug and positive and negative regulator plug-in
connectors. To install the MC-TS-A:
1. Connect the sensor lug to one of the four bolts that hold the alternator’s front and rear cases together. Extend sensor cable to the
regulator. The cable can be included within the regulator’s wiring
harness, or can be run alongside the harness and attached with
cable ties.
2. Connect the positive and negative female connectors to the Alternator Temp. Sense terminals on the regulator (#5 is positive. #6 is
negative). It is essential that the terminals match the polarity of the
regulator connection pins (red wire to positive terminal and black
wire to negative terminal).
-4-
Install Battery #2 Temperature Sensor
Your Max Charge MC-624 voltage regulator can accomodate a secondary battery temperature sensor. Used in conjunction with an optional MCTS-B battery temperature sensor, the regulator can monitor temperature
at a secondary battery bank and respond to a battery over-temperature
condition by discontinuing charging.
To install a secondary battery temperature sensor:
1. Connect the temperature sensor to the secondary battery bank following the directions provided for the primary battery temperature
sensor.
2. Plug the positive and negative sensor to the appropriate positive
connector; The RED positive sensor wire should be connected to
the #7 terminal pin.
3. the BLACK negative sensor wire should be connected to terminal
pin #8.
Install Battery #1 Temperature Sensor
Battery #1 temperature sensor circuit is used to monitor primary battery state. With an MC-TS-B battery temperature sensor installed, the regulator can monitor temperature at the primary battery bank, adjust voltage to compensate for battery
temperature and respond to a battery over-temperature condition by discontinuing charging.
To install a #1 battery temperature sensor:
1. Connect the temperature sensor to the secondary battery bank following the directions provided for the primary battery temperature sensor.
2. Plug the positive and negative sensor to the appropriate positive connector; The RED positive sensor wire should be
connected to the #9 terminal pin. The BLACK negative sensor wire should be connected to terminal pin #10.
Install Dash Lamp
The Max Charge Dash Lamp (#11) terminal provides the ability to activate a visual or audible indicator when the regulator monitors the following conditions: Low system voltage, high system voltage, high alternator temperature, high battery
temperature (temperature conditions are only indicated when appropriate temperature sensors are connected) and no
voltage on stator, indicating that the alternator has failed. When a described condition is detected, the regulator sends the
Dash Lamp terminal from neutral to ground. To utilize the Dash Lamp function:
1. Connect a small LED or incandescent lamp, or an audible (piezo) alert (maximum current flow is 500 mA) to a positive
voltage source.
2. Connect the negative terminal on the lamp or audible alert to the
Dash Lamp terminal on the regulator.
3. When connected, the lamp should flash at regulator start-up to indicate active status.
Install BLACK Ground Wire
The BLACK Ground Wire (#12 in diagram at right) are included in the
four-wire Ford-style plug on the wiring harnessand are factory installed
on regulator packages designated with “H” at the end of the model number. The other end of the Ground Wire is fitted with a ring terminal connector. In most applications, this wire can be connected directly to the
alternator’s ground terminal post. Both alternators and regulators must
be connected to system ground.
CAUTION: Reversing the polarity of the terminal connections on any of the alternator or battery
temperature sensors can result in invalid sensing and potential damage to alternators, regulator
and/or batteries.
-5-
Magnetic Reed Switch
Looking much like a small thermometer atop the regulator’s circuit board, the magnetic
reed switch provides a durable, sealed interface that enables the user to set basic
and advanced regulator programming features. Included with the regulator is a small
screwdriver that doubles as the regulator’s programming tool. A small magnet embedded in the tip of the screwdriver’s handle allows the user to activate the magnetic reed
switch. By holding the magnet to the RED dot located at the end of the reed switch,
the user allows the user to scroll through the regulator’s various program modes and
individual program selections.
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Initial Pre-Flight Test And Start-Up
When the regulator is properly mounted and the regulator wiring is installed, the MC-624 is ready for pre-flight testing. Before turning on the engine, it is advisable to check voltages at the following terminal connections to ensure that the wiring
is correct. Test #1 verifies proper voltage values with the regulator turned off. Test #2 verifies the expected voltages with
the regulator turned on.
Note: If the regulator’s BROWN ignition wire is receiving it’s switched source of voltage from an oil pressure switch, it may
be necessary to start the engine before applying test #2. If the engine must be run to accomplish test #2, be sure that
alternator is properly cabled on both positive and negative sides to the battery being charged. Failure to do so could result
in damage to the regulator and alternator.
Using your hand-held multi-meter, test the following wiring terminals for voltage:
TEST #1: Engine/Ignition Off
TEST #2: Engine/Ignition ON
•
Primary RED Power Wire (Terminal #3) >24V
•
Primary RED Power Wire (Terminal #3) >24V
•
BROWN Ignition Wire (Terminal #2) 0V
•
BROWN Ignition Wire (Terminal #2) 12V or 24V
•
Primary BLUE Field Wire (Terminal #1) 0V
•
Primary BLUE Field Wire (Terminal #1) 4-22V
-6-
Regulator Operation
The MC-624 regulator’s microprocessor controlled charging system uses a sophisticated, multi-stage profile to deliver
maximum charging output, while protecting the batteries from overcharging damage. When the regulator is first turned on,
the processor performs a quick one-second self diagnostic assessment. Following that diagnostic, the MC-624 initiates a
charge program as follows:
1. Start Delay - Factory set at one second. Can be user-adjusted to a maximum of 999 seconds in the regulator’s advanced programming mode. See Advanced Programming section for adjustment instructions.
2. Soft Ramp - Gently increases voltage to bulk preset levels based on battery program selected.
3. Bulk Charge - The most aggressive of the charging stages. Voltage is held at a pre-set level, specified by battery
program selected, for a set time period. Factory-set bulk time is 18 minutes. Adjustable in 6-minute increments.
4. Calculated Bulk Charge - Holds voltage at bulk level for six minutes, then calculates battery condition by comparing
existing voltage, time at voltage, and field percentage to target values. If values are met, the regulator advances to
the next stage. If values are not met, the regulator continues to bulk charge and compares real-time to target values.
This will re-occur until all values are met.
5. Ramps down to Absorption voltage.
6. Absorption Charge - Regulator continues to control the alternator’s output voltage for an additional 18 minutes at
approximately 2/10’s of a volt below bulk charging voltage. Adjustable in 6-minute increments.
7. Calculated Absorption Charge - Holds voltage at absorption level for six minutes, then calculates battery condition
bycomparing existing voltage, time at voltage, and field percentage to target values. If values are met, the regulator
advances to the next stage. If values are not met, the regulator extends the absorption charge and compares realtime to target values. This will re-occur until all values are met.
8. Ramp down to Float.
9. Float Charge - Regulator continues to control the alternator’s output voltage for an additional 18 minutes, typically
at a volt less than bulk voltage (based on battery program presets). After that initial fixed time period, the regulator
can respond to increased charging demand by cycling to absorption voltage. After 12 hours of continuous operation,
the regulator will automatically revert to absorption voltage through calculated absorption and back to float charging
stage.
-7-
Regulator Display Modes - Short Display/Long Display
The regulator’s three digit alphanumeric LED display provides a scrolling view of charging status. Under normal operation,
the display will indicate the following:
BAL
Indicates Balmar.
624
Indicates Model MC-624
UFP
Indicates regulator’s default Universal Factory Program. Display will vary based on program selected.
S01
Indicates stage of charge; S01=Delay, S02=Ramp, S03=Bulk, S04=Calc. Bulk, S05=Absorption, S06=Calc.
Absorption, S07=Float
Bv
Indicates system Battery Voltage. Followed by actual voltage reading as measured by regulator.
Cv
Indicates Calculated voltage (target voltage based on preset program levels). Followed by voltage reading.
In addition to the information provided in the basic display shown above, the MC-624 long display provides the following
data. The long display can be accessed at any time during operation by tapping the RED dot with your magnet.
r1.9
Indicates regulator’s software revision code.
b1
Indicates Battery #1 temperature. Followed by temperature in celsius. Default is 26°C if no sensor connected.
b2
Indicates Battery #2 temperature. Followed by temperature in celsius. Default is 26°C if no sensor connected.
AL
Indicates Alternator temperature. Followed by temperature in celsius. Default is 26°C if no sensor connected.
AP
Indicates the level of Amp Manager governance applied to alternator. 100 indicates Amp Manager is off.
FE
Indicates field excitation output. 100 equals full field output (indicates approximate percentage).
Hr
Indicates hours of operation. Followed by readout in hundreds of hours, followed by hours/tenths of hours.
FbA
Indicates field threshold from bulk to absorption. Factory set at 77%. Adjust in advanced programming mode.
FFL
Indicates field threshold from float to absorption. Factory set at 77%. Adjust in advanced programming mode.
E
Indicates system advisory codes. Individually numbered codes are defined below.
The following advisory codes can be used to determine possible system errors or to identify specific operational modes.
Note that E codes are cumulative and will be held in memory until cleared. Codes can be cleared by entering dSP and
letting it save. Display settings DO NOT need to be changed. See basic programming for more info.
E10
BATTERY #1 TEMP. SENSOR
CABLE SHORTED
E21
BATTERY #2 TOO HOT. OVER
55˚C. FACTORY DEFAULT
E40
BATTERY VOLTAGE TOO HIGH.
OVER 32 VOLTS
E11
BATTERY #1 TEMP. SENSOR
CABLE OPEN OR NOT FOUND
E22
ALTERNATOR TOO HOT. OVER
107˚C
E41
FIELD VOLTAGE TOO HIGH.
E12
BATTERY #2 TEMP. SENSOR
CABLE SHORTED
E24
VOLTAGE REGULATOR TOO
HOT. OVER 90˚C
E42
STATOR VOLTAGE TOO HIGH.
E13
BATTERY #2 TEMP. SENSOR
CABLE OPEN OR NOT FOUND
E30
BATTERY VOLTAGE BELOW
25.0 VOLTS
E51
SMALL ENGINE MODE IS IN
OPERATION
E14
ALTERNATOR #1 TEMP. SENSOR
CABLE SHORTED
E34
BATTERY VOLTAGE BELOW
21.0 VOLTS
E52
BELT LOAD MANAGER IS IN
OPERATION
E15
ALTERNATOR #1 TEMP. SENSOR
CABLE OPEN OR NOT FOUND
E35
BATTERY #1 TOO HOT. OVER
USER ADJUSTED VALUE
E20
BATTERY #1 TOO HOT. OVER
55˚C. FACTORY DEFAULT
E36
BATTERY #2 TOO HOT. OVER
USER ADJUSTED VALUE
-8-
Regulator Programming Modes
Using The Magnetic Reed Switch
Control of the MC-624 magnetic reed switch located in the upper left corner of the regulator’s circuit board. The reed switch provides selectable control of the regulator’s programming without creating an intrusion point as is
common on many other adjustable voltage regulators currently on the market.
A small screwdriver with a magnet embedded in the tip of the handle is included
to activate the magnetic reed switch. While any magnetic tipped tool can be used,
the Balmar programming screwdriver does an excellent job as an interfacing tool.
Programming is accomplished by contacting and removing the magnet from the
RED dot affixed to the regulator’s epoxy potting. If the magnet has difficulty activating the reed switch at that position, try moving the up and down along the
length of the reed switch until the light is illuminated at the top of the LED display,
between the second and third display digits. The light indicates activation of the
the reed switch.
Within the basic and advanced programming instructions, activation of the reed
switch will be described by the following actions:
•
TOUCH / RELEASE - Indicates the action of contacting and immediately removing the magnet from the reed switch
•
TOUCH / HOLD - Indicates the action of contacting and holding the
magnet to the reed switch
•
TOUCH / HOLD / RELEASE - Indicates the action of contacting and holding the magnet to the reed switch,
then releasing the reed switch be removing the magnet from the RED dot on the epoxy potting
Basic Programming
Programming For Battery Type
The MC-624 features selectable programs for SEVEN battery technologies. Programming can be done whenever the
regulator is active. System voltage must be greater than 25.0V for programming changes to be saved.
To adjust the regulator for your battery type:
1. Turn on the regulator. If the regulator’s BROWN ignition wire is connected to an oil pressure switch, it may be necessary to start the engine to activate the regulator.
2. Once the regulator is on and the display is scrolling, TOUCH / HOLD the magnetic end of the programming screwdriver to the RED dot on the regulator as described above.
3. Continue to hold the magnet to the RED dot. The letters PRO will appear on the LED.
4. Continue to hold the magnet to the RED dot. The display will scroll through the seven available preset battery programs. The battery programs are signified by one of the program numbers shown below.
5. When the desired battery code is displayed, RELEASE the magnet from the RED dot.
6. The regulator will indicate the Pro code once the reed switch is released, followed by the SAV code to indicate that the
program change has been saved.
REVERSING DIRECTION OF SCROLL: The regulator display from P01 to P07 and will then stop. To
reverse the direction of scroll, remove the magnet from the dot until the PRO code is displayed,
then re-activate and hold. The display will then scroll downward until the desired code is shown.
.
Pr o
INDICATES ENTRY INTO BASIC
PROGRAMMING MODE
P03
INDICATES PROGRAM FOR
SEALED GEL BATTERIES (GEL)
P06
INDICATES STANDARD
FLOODED PROGRAM (FSB)
P01
INDICATES UNIVERSAL FACTORY
PROGRAM (FACTORY DEFAULT)
P04
INDICATES ABSORBED GLASS
MAT BATTERIES (AGL)
P07
INDICATES PROGRAM FOR
HALOGEN (HAL)
P02
INDICATES DEEP CYCLE FLOODED BATTERY PROGRAM (FDC)
P 05
INDICATES PROGRAM FOR
OPTIMA BATTERIES (OPS)
SAV
INDICATES PROGRAM
CHANGE IS SAVED
NOTE - A CHART DESCRIBING VOLTAGE, TIME AND ALARM SETTINGS FOR EACH SELECTABLE BATTERY
PROGAM IS AVAILABLE ON PAGE 11 IN THIS MANUAL.
-9-
Advanced Programming
Accessing The Advanced Programming Mode
The MC-624 provides a broad range of advanced user adjustments in its Advanced Programming mode. The Advanced
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
Advanced Programming Modes
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:
.
dL c
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.
.
b1 c
Av
.
.
A1 c
Bulk Time. Controls time setting for bulk 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 b1c code.
Re-activate switch with magnet and release when desired value is indicated.
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.
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.
- 10 -
Fv
.
.
F1 c
AP
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.
Float Time. Controls time setting for float mode. Standard value set is 18 minutes. Settings are from 6
minutes to 12 hours. To reverse direction of scroll, release magnet and wait for LED to display F1c code.
Re-activate switch with magnet and release when desired value is indicated.
Amp Manager. The Amp Manager function allows for precise reductions in the maximum allowable
field percentage, making it possible to reduce alternator horsepower load on belts, or to provide governance to protect the alternator from abnormally large battery or system electrical loads. When activated,
the display will indicate OFF, meaning that no field reduction is occurring. To adjust, remove the magnet
until the AP code is indicated. Re-activate and hold the magnet to the RED dot. The display will scroll
downward until the desired value is indicated
BATTERY EQUALIZATION FUNCTION - (Use Extreme Caution While Equalizing!)
Depending on battery technology and battery manufacturer recommendations, it may be necessary to periodically apply
equalization/conditioning voltage to your batteries to reduce sulfation and equalize the specific gravity of the electrolyte
solution. While it is FAR preferable to equalize your batteries with your shorepower charger at the safety of your slip, the
MC-624 does provide the ability to equalize with the alternator and regulator. NOTE: Equalization voltage and duration should be in accordance with battery manufacturer guidelines. Equalization programming must be done
with the engine running, as the equalization mode will occur as soon as the program adjustments are made.
Ev
Equalization Voltage. Sets the target voltage applied to the batteries during the equalization period. Contact your battery manufacturer for voltage guidelines.
E1c
Equalization Duration. Controls the length of time the batteries will be held at equalization voltage.
Maximum time adjustment is three hours. If manufacturer guidelines require longer equalization times,
allow for maximum time, and reset for additional periods as required.
.
Field Threshold - Bulk To Absorption . Controls the criteria used to determine field output required to maintain calculated bulk charging mode. Factory set at 65% field output. Raising “fba” shortens
calculated bulk charge time. Lowering “fba” increases calculated bulk charge time. Span of adjustment
is 16% to 96%. To reverse direction of scroll, release magnet and wait for LED to display “fba” code. Reactivate switch and release when desired value is indicated.
.
Field Threshold - Float To Absorption . Controls the criteria used to determine the field current
threshold required to cycle between absorption and float charging modes. Factory set at 65%. Raising
“ffl” increases calculated float charge time. Adjusted in 1% increments. Span of adjustment is 16% to
96%. To reverse direction of scroll, release “ffl” code. Reactivate switch with magnet and release when
desired value is indicated.
.
Alternator Temperature Threshold. Controls the setpoint at which point field current is reduced
when the the alternator temperature sensor indicates an over-temp condition at the alternator. Requires
temperature sensor installation. Preset at 108˚.
Fb A
FF L
AL 1
Default Program Settings By Battery Type
UFP
FDC
GEL
AGM
OPS
FSB
START DELAY (SECS.)
1
1
1
1
1
1
1
SOFT RAMP (SECS.)
60
60
60
60
60
60
60
BULK VOLTAGE
BULK TIME (MINIMUM)
ABSORPTION VOLTS
ABSORPTION TIME (MINIMUM)
FLOAT VOLTS
HAL
28.2
29.2
28.2
28.46
29.2
28.8
28.0
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
27.8
28.8
27.8
28.3
28.8
28.4
27.6
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
26.8
26.8
27.4
26.8
26.8
26.8
27.0
FLOAT TIME (MINIMUM)
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
18 MIN
FLOAT TIME (MAXIMUM)
12 HRS.
12 HRS.
12 HRS.
12 HRS.
12 HRS.
12 HRS.
12 HRS.
HIGH VOLTAGE ALARM (VOLTS)
30.4
31.2
30.2
30.7
31.2
30.8
30.0
LOW VOLTAGE ALARM (VOLTS)
25.4
25.4
25.4
25.4
25.4
25.4
25.4
MAX BAT. TEMP.
125˚F/52˚C
125˚F/52˚C
125˚F/52˚C
125˚F/52˚C
125˚F/52˚C
125˚F/52˚C
125˚F/52˚C
MAX ALT. TEMP.
225˚F/107˚C
225˚F/107˚C
225˚F/107˚C
225˚F/107˚C
225˚F/107˚C
225˚F/107˚C
225˚F/107˚C
- 11 -
Additional Regulator Features
Small Engine Mode
In situations where additional power is needed for propulsion, the MC-624 provides the option to manually reduce regulator field output by approximately one half. This option, called Small Engine Mode, can be accessed by creating a direct
pathway between the positive and negative Alternator Temperature Sensor terminals. This
can be done by splicing into the positive and negative wires of the Alternator Temperature
Sensor cable (MC-TS-A) with a switched wire. With the switch in the OFF position, the
Alternator Temperature Sensor will work normally. With the switch in the ON position, the
regulator will reduce field output by approximately 50%.
To enable the Small Engine Mode:
1. If the Alternator Temperature Sensor cable is being used, replace the female terminal connectors on the cable with Multi-Stack Connectors (Ancor Part # 230612).
2. Install a standard ON/OFF switch in a location that’s easily reached from the helm.
3. Run wires from the switch back to the positive and negative terminals of the Alternator #1 Temperature Sensor terminals (terminals #5 and #6).
4. Add appropriate connectors to the switched wires and connect to the positive and
negative terminal connections.
Dash Lamp
The MC-624 provides a Dash Lamp circuit that’s capable of providing a signal to a user supplied and installed audible or
visual alert if the following issues were to occur while the regulator is in operation;
•
Low Battery Voltage <25.6V
•
High Battery Voltage >31.0V
•
High Alternator Temperature >225˚F (Requires installation of MC-TS-A sensor cable.) Temperature adjustable.
•
High Battery Temperature >125˚F (Requires installation of MC-TS-B sensor cable.)
System Troubleshooting
Regulator Troubleshooting
The majority of charging difficulties can be attributed to damage, corrosion or wear at wiring, fusing or wiring connections. Please note: the regulator will not produce field output if the system voltage is below 22V. Please ensure
that voltage is above 22V when testing the system for proper operation. Before attempting to troubleshoot alternator or regulator issues, be sure to address the following:
1. Remove and clean all charging system electrical connections (positive and negative). Check the voltage regulator’s harness for continuity. Wires and terminals can and will become corroded, and need to be cleaned or replaced.
Ensure that the regulator’s ground wires are provided with a clean connection to system ground.
2. Inspect and replace 10A fuse in the regulator wiring harness if fuses appear to be damaged or corroded. Ensure that
the fuse holder is also free of corrosion.
3. Charge all batteries to their proper fully charged state, and determine if they are serviceable. If your batteries are
flooded-type, use your hydrometer to determine their condition.
4. Check and tighten alternator belt. If the belt show signs of wear or damage, replace it. Always replace existing belts
with the finest quality replacements available.
If batteries and wiring are in suitable condition, use the tests on the following page to determine if charging problems are
a result of a faulty alternator or regulator. These tests provide an opportunity to isolate the alternator, regulator and wiring harness in order to determine the problem source. In order to perform these tests, you will need an independent DC
meter (preferably a digital type). In an emergency, a 12V or 24V light bulb or test light can be used to help determine if
power or working grounds exist. An amp meter and a battery hydrometer with a thermometer are also helpful diagnostic
tools.
- 12 -
Voltage Regulator Testing
Set your voltmeter to 24VDC and connect the negative lead to SYSTEM GROUND.
1. With the ignition turned OFF, check voltage on the red (power), blue (field) and brown (ignition) wires BY IN-
SERTING YOUR POSITIVE PROBE INTO THE TOP OF THE FOUR-WIRE PLUG AT THE REGULATOR. The probe
will slip in alongside the wire in the top of the plug. DO NOT disconnect the plug from the regulator while testing.
Voltages should be as follow:
•
RED wire equal to battery voltage
•
BLUE wire zero volts
•
BROWN wire zero volts
2. With the ignition in the ON position (engine not running), check voltage on the red (power), blue (field) and brown
(ignition) wires in the regulator plug:
•
RED wire equal to battery voltage
•
BLUE wire between 4V and 22V
•
BROWN wire equal to battery voltage
PLEASE NOTE: In systems where the ignition (BROWN) wire is supplied power via an oil pressure switch, jump directly
from test #1 to test #3.
3. With the ignition in the ON position (with engine running at 1,400 rpm fast idle), check voltage on the red (power),
blue (field) and brown (ignition) wires in the regulator plug. Voltages should be as follow:
•
RED wire equal to battery voltage
•
BLUE wire between 4V and 22V
•
BROWN wire equal to battery voltage
PLEASE NOTE: SYSTEM VOLTAGE MUST BE ABOVE 22V FOR FIELD OUTPUT TO OCCUR. ENSURE THAT VOLTAGE IS ABOVE 22V WHEN TESTING SYSTEM.
If voltage is not present on the RED or BROWN wires, the regulator will not work. If voltage is as expected at the RED and
BROWN wires, and there is zero, or an unexpected voltage reading at the BLUE wire, contact our technical support staff
at (360) 435-6100, or e-mail us at balmar@balmar.net.
If all voltages at the regulator meet expectations, yet the alternator is not producing charging current, test the alternator.
The following tests are recommended for determining alternator functionality.
Alternator Testing
TEST #1- The following test is used to isolate the alternator and determine if the failure is a result of the alternator. Once
again, testing at either the alternator or regulator is only effective if the wiring, fusing and batteries have been determined
to be in correct working order. The alternator and regulator can be tested for function by determining if a magnetic field
exists at the alternator’s pulley shaft or rear bearing. To test:
1. With the ignition in the OFF position, place the tip of a non-magnetic steel screwdriver near the nut on the pulley shaft
or near the rear bearing of the alternator. There should be no evidence of a magnetic field pulling the screwdriver toward the alternator. (A slight amount of magnetism may be present, due to residual voltage in the alternator.)
2. Engage the ignition, without starting the engine, to activate the voltage regulator. If an oil pressure switch is used, a
jumper between the RED and BROWN wires in the Ford-style plug will activate the regulator.
3. After allowing time for the regulator’s start-up delay, place the head of a steel screwdriver near the nut on the pulleyshaft or near the rear bearing of the alternator. There should be substantial magnetic pull. If a magnetic field is
present, the voltage regulator, alternator brushes and rotor are likely to be working properly.
- 13 -
If there is little or no magnetic pull at the pulley shaft or at the rear bearing, initiate the following test:
With the key off and the engine off, remove the large harness plug from the regulator.
1. Insert the end of a short length of electrical wire to the RED connector slot of
the regulator harness and the other end of the wire to the BLUE connector slot.
This bypasses the regulator and tests the alternator and the harness.
2. Using your steel screwdriver, inspect for a magnetic field as described above.
3. With your voltmeter, check for voltage on the blue wire at the alternator. If volt-
age does not exist, the harness may be at fault. If voltage does exist at the harness, but no magnetism is present, the alternator is likely to be malfunctioning.
If a magnetic field is present. Both harness and alternator brushes and rotor
4. appear to be working properly. If no magnetic field is present, proceed with the
next test.
Testing the actual output of the alternator is known as “Full Field Testing”. This can
be accomplished by jumping a positive 24VDC current to the field terminal at the
rear of the alternator. This test eliminates both the regulator and the harness, making it easier to isolate your investigation to the alternator.
CAUTION: Ensure that all voltage sensitive equipment is turned off prior to starting the engine. Voltage is unregulated during this test and could damage sensitive electronics. DO NOT let the engine run any longer than necessary to detect charging. If the system is not charging, remove the alternator and have it inspected by a qualified
alternator shop, or call Balmar for warranty evaluation.
To test the alternator:
Clip a jumper wire to the positive post of the alternator, or on the battery side of the isolator (if an isolator is in use).
1. Use a SHIELDED alligator clip for post attachment. Unintentional contact between the alligator clip and the alternator
case could result in damage to your electrical system.
Disconnect the field wire from the rear of the alternator and attach the other end of the jumper wire to the alternator’s
2. Field terminal (F). CAUTION: Do not allow the wire to contact the case while it is attached to the positive post. The
case is grounded and severe damage could occur.
The regulator is now bypassed. When the ignition is engaged and the motor is started, the voltage should rise and
3. charging current should be present.
The motor should be run long enough to determine that charging voltage is present. Unregulated voltage can rise
4. quickly. Do not allow extended unregulated charging to occur without carefully monitoring voltage levels. If the alternator fails to generate voltage during field testing, a malfunction of the alternator is likely. Contact your local alternator
repair shop or Balmar’s technical service staff for recommendations.
Conclusion
If your readings differ substantially from the “Expected Readings” listed in the troubleshooting charts, the regulator may
be malfunctioning, or there may be a continuity problem. Contact our technical support staff at (360) 435-6100. If you
determine that repair service is necessary for either your alternator or regulator, please gather the following information
before contacting our service technicians: Make and model of alternator. Model of voltage regulator and date of mfg. (date
punched on rear side label of regulator). Voltage readings on red, brown and blue wire at regulator with engine off, key on.
Voltage readings on red, brown and blue wire at regulator with engine running at a fast ideal 1400 rpm.
NOTES:
- 14 -
LIMITED PRODUCT WARRANTY
BALMAR warrants to the original consumer/purchaser the product is free from any defects in material or workmanship for a period of one year from the date of purchase. If any such defect is discovered within the warranty period,
BALMAR will replace the regulator free of charge, subject to verification of the defect or malfunction upon delivery or
shipping prepaid to BALMAR.
This warranty DOES NOT apply to defects or physical damage resulting from abuse, neglect, accident, improper repair, alteration, modification, or unreasonable use of the products resulting in breakdown, cracked or broken cases nor
are parts damaged by fire, water, freezing, collision, theft, explosion, rust, corrosion or items damaged in shipment in
route to BALMAR for repair. BALMAR assumes no responsibility for consequential damage or loss or expense arising
from these products or any labor required for service or repair.
BALMAR WILL NOT repair or be held responsible for any product sent without proper identification and return address
or RA number clearly marked on the package. You must include proof of date and place of purchase (photocopy of
purchase invoice) or we cannot be responsible for repairs or replacement. In order to expedite warranty claims more
efficiently, BALMAR asks that prior to returning a defective product for repair, you call their customer service department for a warranty return authorization number. If factory service is required, you can contact our BALMAR Customer
Service Department Monday through Thursday, 7:30 AM to 5:30 PM, (PST)1-360 435-6100 ext “3”. Material required
for the repair or replacement for the defective part or product is to be supplied free of charge upon delivery of the
defective regulator to BALMAR, 18930 59 Ave. NE, Arlington, WA 98223. Customer is responsible for all return transportation charges and any air or rush delivery expense. BALMAR reserves the right to determine whether to repair
or replace defective components.
THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW
LONG AN IMPLIED WARRANTY LASTS. NO PERSON, AGENT, DEALER IS AUTHORIZED TO GIVE ANY WARRANTY.
BALMAR 19009 61st Ave. NE, Arlington, WA 98223 Phone: (360) 435-6100, Fax: (360) 435-3210 E-mail: balmar@balmar.net, Web: www.balmar.net
For more information, contact Balmar Customer Service or Technical Support at 360-435-6100 or visit the Balmar website at www.balmar.net. Ballard
Commercial Industries, Inc. (Balmar) believes all information herein to be factual and accurate, yet maintains no liability for factual or typographic error.
In addition, Balmar retains the right to revise or update products without notification. Visit the Balmar website for product updates or bulletins that may
apply to your alternator or voltage regulator. No part of this document may be reproduced without express written permission of Ballard Commercial
Industries, Inc. © 2010 Ballard Commercial Industries, Inc. (BALMAR).
- 15 -
NOTES:
- 16 -
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