Installation Manual and Specifications

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Wiring

900-0123-01-01 Rev A

Wiring the AC Bypass Assembly

All models other than the “empty” GSLC are equipped with a maintenance bypass assembly.

As needed, the GSLC can be equipped with a bypass assembly using the GS-IOB-120/240VAC

or GS-IOB-230VAC accessory kit as appropriate. The accessory kit should be installed

according to its own instructions. Once installed, it can be wired by following the steps shown in

Figure 37 or Figure 38 .

The operation of the bypass assembly is discussed on page 47. A series of GSLC diagrams

with the bypass wiring (as well as the rest of both the AC and DC systems) are shown beginning

on page 49.

These drawings show the utility grid circuit connected to the bypass assembly. This is the

method used during factory installation. However, either the grid or the generator circuit may be

used. A prewired assembly may be changed. Remove the first source from the bypass

assembly and then wire the second according to the instructions. Connect the first source

directly to the terminals as shown in the drawings beginning on page 49.

NOTE

: Only one AC source may be bypassed with this assembly, even if two sources are present.

WARNING: Shock

Hazard or Equipment Damage

 Bypassing multiple sources will usually connect the sources to each other,

which may damage one or both sources. It can otherwise result in power being

routed to inappropriate places.

 The internal GSLC bypass assembly cannot be used if multiple inverters are in

use. See page 47.

Figure 37 Maintenance Bypass Wiring (split-phase)

To wire the GS-IOB-120/240VAC

after installation:

1. On the disconnect for the AC

source that will be used during

bypass, install a wire from the

upper pole as shown by 1.

Connect it to the upper pole

of the inverter bypass switch

as shown by 2.

2. From the same disconnect,

install a wire on the lower

pole as shown by 3. Connect

it to the lower pole of the

inverter bypass switch as

shown by 4.

3. On the right side of the inverter

bypass switch, install a wire on

the lower pole as shown by 5.

Connect it to the right side of

the lower pole on the output

switch 6. Install a second wire

between the upper poles of

each switch as shown by

and 8.

Output

Inverter

Bypass

Source