Figure 2-2. Installation wiring diagram for single and dual operation.

TM 11-6130-377-14

Figure 2-2. Installation wiring diagram for single and dual operation.

(a) Connect the bond (ground) strap from

NOTE

the GROUND terminal, located on the lower edge at the

The inverter which receives the

rear of the inverter, to a suitable earth or ship's-hull

Master/Slave Cable plug placarded

ground.

MASTER will control the inverter to

(b) Pass the input and output cables

which the SLAVE plug of the cable is

through the packing glands located in the rear panel of

installed.

the inverter and route them to their respective terminal

(c) Install

the

master/slave

cable

boards.

assembly (fig. 1-1) between the inverters and connect the

(c) Connect the dc input cables to A1TB1

MASTER plug into receptacle A1A2J2 of one inverter

and the ac output cables to A1TB3 (fig. 2-1).

drive board and the SLAVE plug into the other inverter

drive board receptacle A1A2J2 (B, fig. 2-2).

(2) Parallel connections (fig. 2-1, and B, fig. 2-

2). In this arrangement the user must provide the input

(d) Complete the remaining cabling for

and output cables, the inter-unit cables, and a 120 volt,

DC IN and AC OUT as shown in B, figure 2-2.

100 ampere single pole circuit breaker. The circuit

(e) Clost front panels of both inverters and

breaker is placed between the ac output terminals of the

secure the captive screws.

slave inverter and the load. The wire size for the dc

c. A remotely located indicator device can be

cables is AWG#3/0 and for the ac cables is AWG#1.

connected to A1TB2 (fig. 2-1 and fig. 2-2). Terminal

(a) Open the front panel of each inverter

board A1TB2 is connected to relay A1K4 (fig. 5-2) whose

to gain access to the inverter drive circuit board.

contacts are capable of operating at 2 amperes

(b) Remove the Code Plug (P-2) from the

inverter drive circuit board of the two inverters being used

in parallel.

2-3