Emerson E2 Manual del operador descargar pdf (Pagina 25)

Sample Rack with Intelligent Store™ Discus®

Compressors

Figure 3.31 Suction Group Setup Screen (Comp

Outs)

3.19 Welded Contactor

This protection feature is designed to prevent

damage to the motor in the event of a welded

contactor. Once a welded contactor is sensed by the

module, the rack controller will issue a command to

pull the contactor in and keep the compressor

running until it can be serviced. Refer to section 1.2.4

of this document for more detailed information on this

protection feature. To enable welded contactor

protection, follow these steps:

1. Press menu to open the Main Menu.

2. Press 1 (Suction Groups).

3. Highlight the appropriate suction group and press

F5 (Setup).

4. Press Cntrl + 0 to access the Additional Tabs

Menu.

5. Press J (Welded Contact).

6. Input the appropriate Controller / Application /

Property using F4 (Lookup).

Once the Welded Contactor associations have been

made, the suction group setup screen should look like

figure 3.32 below:

Figure 3.32 Welded Contactor Setup Screen

3.20 Proofing

Proofing verifies that the compressor is turning ON

and OFF as commanded by the E2 rack controller.

This is accomplished by comparing the run command

status from the E2 with the built in proof checking

output of the module. In the event that a compressor

fails proofing, the E2 can call on another compressor

to satisfy demand. To enable proofing, follow these

steps:

1. Press menu to open the Main Menu.

2. Press 1 (Suction Groups).

3. Highlight the appropriate suction group and press

F5 (Setup).

4. Press F2 (Next Tab) until the Comp Setup tab is

highlighted.

5. Select Yes under the Proof column (see figure

3.33).

6. Press F2 (Next Tab) until the More tab is

highlighted.

Note: The COMP RUN PROOF selection will not be

displayed on the Suction Group Setup screen unless

proofing has been enabled by selecting Yes under the

Proof column on the Comp Setup tab.

- 25° Suction - 15° Suction

4DL3A150L-TSK

04I35625R

3DRHA100E-TFD

04I00300R

4DS3A220E-TSK

04I35631R

3DRHA100E-TFD

04I00439R

2DC3-050E-TFD

04I00435R

Subnet: 15

Node: 2

Subnet: 15

Node: 5

Subnet: 15

Node: 4

Subnet: 15

Node: 3

Subnet: 15

Node: 1

RACK1COMP1 RACK1COMP2 RACK1COMP3 RACK2COMP1 RACK2COMP2

Comp1

Address

Compressor

Name

Stages

Comp2

Comp3

(unloader)

Comp4

Comp5

(unloader)

Comp1

Comp2

(unloader)

Comp3

AE8-1337 R1

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 70 71

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Emerson E2 Manual del operador Pagina 25

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