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Instruction Manual MODEL CXC-7100/7200/7300/7500 Instruction Manual
MODEL CXC-7100/7200/7300/7500
P/N 168-570B 4/01
© 2001 Midtronics, Inc.
Toll free in North America: (800) 776-1995
Visit us on the web at www.midtronics.com
Midtronics, Inc.
7000 Monroe Street
Willowbrook, IL 60521
U.S.A.
Tel: (630) 323-2800
Fax: (630) 323-2844
ISO 9001 Certified
Midtronics b.v.
Noord IJsseldijk 24
3402 PH IJsselstein
The Netherlands
Tel: +31 306 868 150
Fax: +31 306 889 015
ISO 9002 Certified Quick Reference Guide
MODELS CXC-7100/7200/7300/7500
Read and follow all manufacturer warnings and
safety instructions before using this product.
To charge the battery:
1. Determine the state of charge of the battery using
a voltmeter, hydrometer, or Midtronics Battery
Analyzer, (www.midtronics.com).
2. Look up the batterys Reserve Capacity (RC)
rating, then determine the proper charger setting
and estimated charging time using the time chart
below.
3. Make sure the TIMER is set to the OFF position.
4. With the charger unplugged, connect to the bat-
tery:
a. Attach the Red charger clamp to the
positive (+) battery terminal;
b. Attach at least a 24-inch, 6 gauge insulated
battery cable to the negative (-) battery
terminal. Then connect the Black charger
clamp to the free end of the battery cable.
CHARGING TIME CHART
12V Battery
RC
Battery
%
10
15
30
40
50
60
Type
Minutes
Voltage
SOC
Amp
Amp
Amp
Amp
Amp
Amp
60
< 11.7
0
6 hrs
4 hrs. 115 min.
85 min. 70 min. 60 min.
60
11.7 - 12.0
25
4 hrs.
3 hrs.
85 min.
65 min. 50 min. 45 min.
60
12.0 - 12.2
50
3 hrs. 115 min.
60 min.
45 min. 35 min. 60 min.
Small
Automotive
60
12.2 - 12.4
75
85 min. 60 min.
30 min.
20 min. 20 min. 15 min.
120
< 11.7
0
9 hrs.
6 hrs.
3 hrs. 120 min. 115 min. 95 min.
120
11.7 - 12.0
25
7 hrs.
5 hrs. 120 min. 105 min. 85 min. 70 min.
120
12.0 - 12.2
50
5 hrs.
3 hrs.
95 min.
70 min. 60 min. 50 min.
Regular
Automotive
120
12.2 - 12.4
75
120 min. 95 min.
50 min.
35 min. 30 min. 25 min.
180
< 11.7
0
13 hrs.
9 hrs.
4 hrs.
3 hrs.
3 hrs. 120 min.
180
11.7 - 12.0
25
10 hrs.
7 hrs.
3 hrs. 120 min. 120 min. 100 min.
180
12.0 - 12.2
50
7 hrs.
4 hrs. 120 min. 100 min. 80 min. 65 min.
Deep Cycle
180
12.2 - 12.4
75
3 hrs. 120 min.
65 min.
50 min. 40 min. 35 min.
240
< 11.7
0
17 hrs.
11 hrs.
6 hrs.
4 hrs.
3 hrs.
3 hrs.
240
11.7 - 12.0
25
13 hrs.
8 hrs.
4 hrs.
3 hrs.
3 hrs. 120 min.
240
12.0 - 12.2
50
8 hrs.
6 hrs.
3 hrs. 120 min. 100 min. 85 min.
Heavy Duty
240
12.2 - 12.4
75
4 hrs.
3 hrs.
85 min.
65 min. 50 min. 40 min.
RC = Reserve Capacity
hrs. = hours
SOC = State Of Charge
min. = minutes
5. Set the RATE/VOLTAGE CONTROL to the proper
setting.
6. Plug in the charger.
7. Set the TIMER to the proper setting.
CAUTION: Monitor the battery for leaking
fluid or excessive heat that could damage the
battery. If the battery gets too hot or spews
fluid, reduce the charging rate or replace the
battery.
10.3 If uncertain about type of battery you will be charging, or the
correct procedure for checking the batterys state of charge,
contact the seller or manufacturer of the battery.
10.4 The temperature of the battery and the equipment the battery is
used with has a dramatic effect on battery efficiency and
system power requirements. For example, at 0
°
F, a battery is
operating at 40% of its rated efficiency, while the engine it is
attempting to start requires over twice as much power as
would be necessary at 80
°
F.
11.
BATTERY CHARGING
11.1 Determine batterys state of charge by following the instruc-
tions and chart in Section 10, connect charger as per instruc-
tions in Section 7 and/or 8.
11.2 From the Charging Time Chart (located in the Quick Reference
Guide Section), pick the ROW which has the Reserve Capacity
rating and measured battery voltage that is closest to the
battery being charged. Follow across the row until you are
under the desired charging rate. This value indicates the
approximate time required to recharge the battery.
11.3 An alternative method for calculating the time required to
recharge a battery in good condition is to follow this formula:
[Reserve Capacity (minutes)] + 15.5 = [Amp hour capacity]
2
[Amp hour capacity] x [Percent of charge needed] = [Time
(hours)]
[Charger Amp Rate Setting]
[Time (hours)] x [1.25 (recharge factor)] = [Recharge Time]
Example: Suppose a battery has an RC of 120 minutes and is
discharged down to 25%. We need to put in 75% more charge
and we want to use our chargers 40 AMP charge setting:
[120 minutes] + 15.5 = [75.5 Amp hours]
2
[75.5 Amp hours] x [0 .75] = [Time] = 1.4 hours
40 Amp charge rate
Then:
1.4 hours x [1.25 (recharge factor)] = 1.76 hours OR 106
minutes recharge time.
12.
MULTIPLE BATTERY CHARGING
12.1 PARALLEL CHARGING
Batteries of the same type and voltage rating may be con-
nected in parallel for maintenance charging. Charge time
increases in proportion to the number of batteries. Rate of
charge decreases in the same proportion. Example: Charg-
ing 2 batteries in parallel will take 2 times longer; each battery
receives ½ the amount of charge showing on the ammeter.
Thus, if the ammeter shows a 40 amp charge, each battery
will be getting a 20 amp charge (when batteries have the
same rating, same state-of-charge, etc.).
12.2 SERIES CHARGING
Batteries of the same type and voltage rating may be con-
nected in series for charging. The chargers VOLTAGE setting
equals the sum of the individual battery voltages and the
current through each equals the amount of charge showing on
the ammeter. Example: Charging two 12-volt batteries in
series requires a 24-volt charger (VOLTAGE) setting. If the
ammeter shows 30 amps, each battery will be getting a 30
amp charge.
13.
HANDLE AND WHEEL KIT INSTRUCTIONS
CAUTION! UNIT MUST BE FULLY ASSEMBLED BEFORE
OPERATING. Wheels, Handle and Leg Stand must be in
stalled for proper operation.
Refer to drawing.
13.1 Attach handle to unit by removing
the screws and reattaching, as
per diagram.
13.2 Install wheel axle through the
holes in base and attach
washers and wheels by tapping
axle caps on the end of the axle.
13.3 Attach foot with screws supplied.
14.
MAINTENANCE INSTRUCTIONS
The charger is designed and built with high quality materials
requiring only a minimum amount of care:
14.1 Clamps should be cleaned each time the charger is used to
prevent corrosion from battery fluid.
14.2 Cords should be coiled when the charger is not being used to
prevent damage.
14.3 Other servicing should be performed by qualified service
personnel.
15.
TROUBLESHOOTING
15.1 No meter reading while charging:
a. Check AC outlet to be sure it is live.
b. Check connections to battery.
c. A circuit breaker may have opened. Refer to Section 9.5.
d. Ensure that all operating instructions were followed.
15.2 High meter readings while charging:
a. Ensure that battery connections are not reversed.
b. High meter readings can also be caused by a battery with
one or more dead cells.
15.3 Certain battery conditions can cause meter to indicate incor-
rectly including cold, sulphated, or damaged batteries.
+
+
+
-
-
-
BATTERY
CHARGER
12-VOLT
BATTERY
12-VOLT
BATTERY
(+) Charger
Cable
(-) Charger
Cable
Jumper
Jumper
PARALLEL
CONNECTION
+
+
+
-
-
-
BATTERY
CHARGER
12-VOLT
BATTERY
12-VOLT
BATTERY
(+) Charger
Cable
(-) Charger
Cable
Jumpe
r
SERIES
CONNECTION To start the vehicle to drive to a service location:
BOOST CHARGE:
1. Follow the safety precautions and instructions on the
top of the charger or in the manual concerning in-
vehicle charging.
2. Set the TIMER to the OFF position.
3. With the charger unplugged, connect to the battery:
a. Attach the Red charger clamp to the positive (+)
battery terminal;
b. Attach the Black charger clamp to the vehicle
chassis or engine block, away from the battery.
4. Set the RATE/VOLTAGE CONTROL to the boost set
rating.
5. Plug in the charger.
6. Turn the TIMER to the 5 minute mark or lower.
NOTE: Most chargers can only supply boost current
for a short time and will shut down if time is exceeded.
(See the front label of your charger for ON/OFF times)
CAUTION: Monitor the battery for leaking fluid or
excessive heat that could damage the battery. If
the battery gets too hot or spews fluid, reduce the
charging rate or replace the battery.
7. With the TIMER in the OFF position, unplug the
charger.
8. Disconnect the charger clamps and try to start the
vehicle. If the vehicle will not start, repeat the process
once more. If the vehicle still wont start, use the
ENGINE START feature detailed below or replace the
battery.
NOTE: The battery may be OK and only discharged.
Before replacing the battery, use a Midtronics Battery
Analyzer to test it. If the battery is only discharged
and still good (see Section 11), use a
Midtronics Micro500, Micro700 or inTELLECT to deter
mine if the starting and charging systems are OK.
(www.midtronics.com)
ENGINE START:
1. Set the TIMER to the OFF position.