Emerson E2 Manual del operador descargar pdf (Pagina 54)

8. Unscrew the high and low pressure cutout switch-

es.

9. Lift the demand cooling coil off of the injection

valve (if present).

10. Unplug the oil pump sensor lead from the oil pump

sensor. *

11. Remove 2 screws “A” and housing cover nuts

holding front box (2). *

12. Remove the front control box. *

13. Lift off the side box.

14. Remove the injection valve bolt and gaskets from

the compressor.

15. Lift the T-box away from the terminal plate.

Remove the compressor from the rack using prop-

er tools and procedures to assure safety, and to

prevent damage to the rack or other compressors.

5.2.2 Installation of the compressor (2D / 3D)

Note: Service compressors built on or after the fol-

lowing S/N date codes are compatible with

Intelligent Store™ Discus® components:

2D and 3D S/N 04D

4D S/N 05D

1. Mount the new compressor in the rack, lifting and

maneuvering the compressor in a manner to pre-

vent personal injury and damage to other com-

pressors on the rack.

2. Transfer the injection valve adapter (if used) to the

new compressor. Torque 25-30 ft-lb. Use pipe

plug sealing compound.

3. Transfer the temperature sensor plug to the head

of the new compressor. Use pipe plug sealing

compound.

4. Install the T-box anchor screws. Connect motor

wiring, voltage sensing (eyelet connectors), crank

case heater and module power connections. Pass

one power lead through the current relay.

5. Mount injector valve to the adapter on the body.

Using 2 gaskets (under the bolt flange and

between the injector and the adapter) - torque the

bolt to 25 - 30 ft-lb.

6. Put the side box on, loosely fitting screw “B.”

7. Install high pressure cutout (360 PSI) on the head,

and low pressure cutout switch (WHITE DOT - 3

PSI) beside the injector valve. Double Check

Positions!! On most compressors, the high pres-

sure cutout has leads, the low pressure switch

does not.

8. Feed the main harness through the hole in the

front of the side box. Tighten the housing cover

nuts to hold the front box in position. Install com-

munication wire and plug. Use the harness anchor

to hold the harness.

9. Install and tighten screws “A”, and tighten screw

“B” at the T-box.

10. Push on all electrical connections, the oil pump

sensor lead, and connect the temperature probe

ground screw. Note: When the Deutsch plugs are

properly installed there will be a distinct “snap”.

Keys on the side of the plugs prevent improper

orientation. Rotate the plugs 180º if they won’t go

in. They fit snugly.

11. Install and tighten all cover screws (T-box, front

cover, side box cover).

12. Plug in the communication line to the communica-

tion board in the module.

13. Refer to section 3.4, Compressor Naming, to edit

the E2 for changes to the compressor serial num-

ber.

AE8-1337 R1

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 70 71

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Emerson E2 Manual del operador Pagina 54

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