Emerson E2 Instrukcja Operatora Pobierz pdf (Strona 57)

8. Installation of a new front box will be the reverse

of these steps.

9. If you are replacing a module that has only one

fuse in the side, or perhaps no fuse, you must not

re-use the field retrofit “snubber” connected to the

discharge pressure switch. Discard the snubber -

it is not needed with the twin-fuse module.

Refer to section 5.6.2, “Power-Up Instructions for the

New Module”. After mounting and electrically con-

necting the module, the power-up steps will allow the

E2 to populate the module with configurable settings

appropriate for this particular compressor.

5.4.3 Suggested Procedures for Conducting

a Head Inspection

1. Remove the terminal box cover (3 screws).

2. Remove the head cover (4 screws).

3. Unplug all harness connections, including the oil

pressure sensor harness.

4. Remove the front cover from the module and

unplug the communication wire from the commu-

nication board.

5. Disconnect the demand cooling conduit (if pres-

ent) from the mounting bracket, and remove the

high pressure cutout switch. Unplug the tempera-

ture probe connector from the harness and

remove the ground screw connection. Pull the

temperature probe lead out through bracket to

prevent straining the lead when the front box and

bracket are lifted off of the compressor. Lift the

unloader coil off of the unloader stem.

6. Remove the three nuts holding the mounting

bracket in place, and lift the bracket and front box

off of the head.

Discard “Snubber”

Disconnect

Demand Cooling

Conduit

Remove

Mounting

Bracket

Nuts

Remove

Head Cover

Screws

Remove

Terminal Box

Cover Screws

AE8-1337 R1

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 70 71

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Emerson E2 Instrukcja Operatora Strona 57

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