Emerson E2 Návod k obsluze stáhnout pdf (Strana 50)

5.1.3 Coil Inspection and Replacement (2D / 3D)

Refer to figure 5.1 for the location of the injection coil.

The coil may be removed by unplugging the harness

from the coil and lifting the coil. The retention snap on

the top of the coil is held in place by an internal spring

and will snap off with sufficient lifting force. Do not

lose the retention snap!

The resistance of a good coil should be 490 Ohms to

600 Ohms.

A coil that is “shorted” or “open” may have blown the

1/2 amp accessory fuse on the side of the module.

Inspect the fuse when replacing the coil or

troubleshooting a “failure to inject”. Refer to figure

5.5. Replace the retention snap when the coil is

installed.

Figure 5.5 Accessory Fuse Location

5.1.4 Coil Inspection and Replacement (4D)

The terminal box cover and side shroud must be

removed to inspect or replace the injection coil of a

4D compressor.

Remove (3) terminal box and (4) head cover screws.

To replace the coil, loosen the conduit clamp as

shown in the photo below. Remove the coil from the

mounting bracket and install a new coil.

Inspect the 1/2 amp accessory fuse on the side of the

module and replace if necessary. Use a fast-blow

replacement fuse such as Bussman AGC - 1/2 A.

Install the harness shroud before installing the

terminal box cover.

Loosen

Conduit Clamp

to Change Coils

Remove

Head Cover

Screws

/2 Amp

Accessory

Fuse Here

Remove

Terminal

Box Cover

AE8-1337 R1

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Emerson E2 Návod k obsluze Strana 50