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1690 Corporate Circle, Petaluma, CA 94954   • 707-283-5900   •   www.panamax.com

IMPORTANT SAFTEY WARNINGS

This manual contains important safety instructions. Please read and follow 

all instructions carefully during installation and operation of the unit. Read 

this manual thoroughly before attempting to unpack, install, or operate your 

UPS.

CAUTION!

 To prevent the risk of fire or electric shock, install in a tempera-

ture and humidity controlled indoor area free of conductive contaminants. 

(Please see specifications for acceptable temperature and humidity range).

CAUTION!

 To reduce the risk of electric shock, do not remove the cover 

except to service the battery. No user serviceable parts are inside except the 

battery.

CAUTION!

 Some components can be energized by the battery when unit is 

unplugged.

CAUTION!

 UPS must be connected to an AC power outlet with fuse or circuit 

breaker protection. Do not plug into an outlet that is not grounded. If you 

need to de-energize this equipment, turn off and unplug the unit.

CAUTION!

 To avoid electrical shock, turn off the unit and unplug it from the 

AC power source before servicing the battery or installing a computer 

component.

DO NOT USE FOR MEDICAL OR LIFE SUPPORT EQUIPMENT! 

Panamax does 

not sell products for life support or medical applications. DO NOT use in any 

circumstance that would affect operation or safety of any life support 

equipment or with any medical applications or patient care.

DO NOT USE WITH OR NEAR AQUARIUMS!

 To reduce the risk of fire or 

electric shock, do not use with or near an aquarium. Condensation from the 

aquarium can cause the unit to short out.

DO NOT USE WITH AMPLIFIERS OR POWERED SUBWOOFERS!

 The power 

demands of these devices will overload and possibly damage the unit.

MB850 INSTRUCTIONS

INSTALLING YOUR UPS SYSTEM

UNPACKING

Inspect the UPS upon receipt. The box should contain the following:

(1) UPS unit; (1) User’s manual; (1) Software CD; (1) USB device cable; 

(1) Telephone cable; (1) Coaxial Cable

OVERVIEW

The MB850 provides automatic voltage regulation for inconsistent utility 

power. The MB850 features 890 Joules of surge protection, and provides 

battery backup during power outages. The MB850 ensures consistent 

power to your computer system and its included software will automati-

cally save your open files and shutdown your computer system during a 

utility power loss.

HARDWARE INSTALLATION GUIDE

1.

 Your new UPS may be used immediately upon receipt. However, 

recharging the batteries for at least 16 hours is recommended to ensure 

that the battery’s maximum charge capacity is achieved. A loss of charge 

may occur during shipping and storage. To recharge the batteries, simply 

leave the unit plugged into an AC outlet. The unit will charge in both the 

ON as well as the OFF position.

2.

 With the UPS unit off and unplugged, connect equipment that would 

benefit from battery back-up such as DVR, cable box, satellite receiver, 

DLP TV or gaming console into the battery power supplied outlets. Plug 

other equipment into the full-time surge protection outlets.

3.

 To surge protect a network connection, connect 

a network cable from the wall jack outlet to the 

IN jack of the UPS. Then connect a network cable

from the OUT jack on the UPS to the network device.

4.

 Plug the UPS into a 2 pole, 3 wire grounding receptacle (wall outlet). 

Make sure the wall branch outlet is protected by a fuse or circuit breaker 

and does not service equipment with large electrical demands (e.g. 

refrigerator, copier, etc…). 

5.

 Press the power switch to turn on the unit. The unit will beep twice 

and the power on indicator will illuminate.

6.

 If an overload is detected, an audible alarm will sound and the unit will 

emit one long beep. To correct this, turn the UPS off and unplug at least 

one piece of equipment from the battery power supplied outlets. Wait 10 

seconds. Make sure the circuit breaker is depressed and then turn the 

UPS on.

7.

 To maintain optimal battery charge, leave the UPS plugged into an AC 

outlet at all times.

8.

 To store your UPS for an extended period, cover it and store with the 

battery fully charged. While in storage recharge the battery every three 

months to ensure battery life.

AUTOMATIC VOLTAGE REGULATOR

The MB850 stabilizes inconsistent utility power. The incoming utility 

power may be damaging to important data files, but with Automatic 

Voltage Regulation, the computer will not experience damaging voltage 

levels. An Automatic Voltage Regulator automatically increases low or 

decreases high voltage to a consistent, computer safe 110v/120v. The 

unit’s powerful sealed lead-acid batteries will provide power only if the 

incoming voltage drops below 90v or increases above 140v

1.

INS00853 REV. A   10-08

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