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Summary of Contents for CTEK MULTI US 7000
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Page 1: Battery Charger
Switch Mode BATTERY CHARGER For lead-acid batteries 14-150 Ah MULTI US 7000 User’s Manual and a guide to professional battery charging For Starter/Deep Cycle batteries... -
Page 2: Important Safety Instructions
The MULTI US 7000 is a primary switch mode battery charger with pulse maintenance. The MULTI US 7000 is designed to offer maximum life for the battery. MULTI US 7000 is a member of a family of professional chargers from CTEK SWEDEN AB. It represents the state-of-the-art of today’s technology for battery charging. -
Page 3: Personal Precautions
11. WARNING - RISK OF EXPLOSIVE GASES a) BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY OPERATION. FOR THIS REASON, IT IS OF THE UTMOST IMPORTANCE THAT EACH TIME BEFORE USING YOUR CHARGER, YOU READ THIS MANUAL AND FOLLOW THE INSTRUCTIONS CAREFULLY. -
Page 4: Preparing To Charge
13. PREPARING TO CHARGE If necessary to remove battery from vehicle to charge, always remove grounded terminal from battery first. Make sure all accessories in the vehicle are off, so as not to cause an arc. Be sure area around battery is well ventilated while battery is being charged. Gas can be forcefully blown away by fanning the area with a piece of cardboard or other non-metallic material. - Page 5 Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons. Check polarity of battery terminals. POSITIVE (POS, P, +) battery post usually has larger diameter than NEGATIVE (NEG, N, -) post. Determine which post of battery is grounded (connected) to the chassis. If negative post is grounded to the chassis (as in most vehicles) see (e).
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Page 6: Important Safety Information
IMPORTANT SAFETY INFORMATION! The MULTI US 7000 cannot be used to restore a fully worn out battery. If the MULTI US 7000 does not switch to maintenance charge after three days (green light illuminated), there is a fault. Possible causes: •... - Page 7 The length of the pulse depends on how much charge the battery has lost. The MULTI US 7000 may be con- nected for months at a time. However it is recommended to monitor batteries on charge.
- Page 8 BATTERY TYPES AND SETTINGS MULTI US 7000 can easily be set for different types of batteries or conditions. The follow- ing recommendations should, however, only be seen as guidelines. Please consult the battery manufacturer for further instructions.
- Page 9 CHARGING The battery charger must be connected to the battery according to the instructions above. Start charging 1. Connect the power cord to the power outlet. The charger indicates STANDBY, or latest selected mode, yellow indication light (A). 2. Set the proper charging mode for the battery by pushing the Mode Selector Button (see Battery Types and Settings).
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Page 10: Charging Cycle
Time Setting: 14.4 V or 14.7 V MULTI US 7000 performs a 5-step fully automatic charge cycle, IIUoIUp. Lamp B for 14.4 V or Lamp C for 14.7 V. Start: Starting phase for charging. The current is restricted to 3 A. It ends when the volt- age is above 10.5 V. - Page 11 Setting : Supply 13.6 V MULTI US 7000 has a Supply mode setting which has a constant voltage at 13.6 V and current up to 7 A. It could be used for maintenance charge using the Float approach. This approach keeps the battery at 100 % State of Charge, but the constant small overcharge also increases water loss.
- Page 12 INDICATORS SUPPLY RECOND MODE NORMAL SUPPLY RECOND Indication Description Error mode, the charger interrupts the charging/voltage supply. See description below. Start mode, restricted charging current and battery voltage under 10.5 V. Bulk charging, Maximum charging current. Absorption charging, Voltage restrictions to selected voltage. Charging completed.
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Page 13: Bulk Charging Time
*) The back current drain is the current that the charger uses from the battery when the wall plug is not connected. The reverse current of the MULTI US 7000 is very low and corresponds to 1 Ah per month. -
Page 14: Overheating Protection
The MULTI US 7000 is equipped with overheating protection. In high ambient tempera- tures the output power is reduced. Do not cover the charger. BATTERY CABLES Multi US 7000 is equipped with a set of battery cables with battery terminal clips and one set of battery cables with eyelet terminals. MAINTENANCE The MULTI US 7000 is maintenance-free.
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