Turn on the inverter’s on/off switch – Xantrex Technology PROwatt 1000 User Manual

Page 38

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Installation

3–16

4. Install a fuse and fuse holder in the cable that will be used for the

positive side of the DC circuit. The fuse must be as close to the
battery as possible, be rated for DC circuits, and have an Ampere
Interrupting Capacity (AIC) that exceeds the short-circuit current
available from the battery. (See

“Fuse/Circuit Breaker Sizing

Guidelines” on page 3–13

.)

5. Insert the stripped ends of the cables into the cabling terminals on the

DC end of the inverter and tighten the screws securely. The red
terminal is positive (+); the black terminal is negative (–). See

Figure 3-4

.

6. Attach the connector on the negative cable to the negative battery

terminal. Make a secure connection. Loose connectors cause
excessive voltage drop and may cause overheated wires and melted
insulation.

7. Before proceeding, make sure that the cable you have just installed

connects the negative terminal of the inverter to the negative terminal
of the battery.

8. Connect the cable from the positive (red) terminal of the PROwatt

1000 to the positive terminal of the battery.

This is the last cable connection. A spark is normal when you make it.

9. If you have installed a battery selector switch, use it to select one of

the batteries or battery banks.

10. Turn on the inverter’s On/Off switch.

CAUTION: Reverse Polarity

Power connections to the PROwatt 1000 must be positive to
positive and negative to negative.

A reverse polarity connection (positive to negative) will blow
a fuse in the inverter and may permanently damage the unit.
Damage caused by a reverse polarity connection is not
covered by your warranty.

WARNING: Explosion or Fire

Do not complete the next step if flammable fumes are
present. Explosion or fire may result. Thoroughly ventilate
the battery compartment before making this connection.

PROWatt100.book Page 16 Friday, January 5, 2001 3:03 PM

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