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Figure 3.4 Controller Setup Screen

3. Verify that the number of ISD devices listed on the

Controller Setup Screen matches the number of

devices connected to the E2.

At this point you must choose how you want the ISD

devices to be displayed in the E2. To avoid confusion,

it is recommended that the devices be displayed in

the same order that they are located on the rack. This

involves commissioning each device individually. To

follow this procedure, continue with step 4 below:

4. For this process to work properly the E2 must

communicate with one ISD device at a time. To

begin, turn ON only the first ISD device on the

rack. Be sure to allow enough time for the ISD to

perform its self diagnostics before proceeding

(approximately 30 seconds).

5. Use the arrow key to highlight the first ISD device

listed on the controller setup screen. Press F4:

Set Address to bring up the node recovery screen.

Enter 1 for the number of nodes to be recov-

ered.

After communications have been established with a

module, the E2 screen will update and list the device

as Node Found. Following the node recovery

process, the Controller Setup Screen should look like

figure 3.5. Note: You must refresh the screen by back-

ing out and returning for the compressor serial num-

ber to be displayed.

Figure 3.5 Controller Setup Screen (Following Node

Recovery)

6. Once the first ISD device has been successfully

commissioned, turn it OFF.

7. Continue the process by turning ON only the

second ISD device on the rack. Use the arrow key

to highlight the second ISD device listed on the

controller setup screen. Press F4: Set Address to

bring up the node recovery screen. Enter 1 for the

number of nodes to be recovered.

8. Continue this process by turning OFF the second

device and turning ON the third…repeat until all

ISD devices have been commissioned. It is impor-

tant that only one device be powered at a time and

that 1 is entered for the number of nodes to be

recovered.

3.2 Suction Group Setup

In order for the E2 to control compressor operation

the proper input and output values must be entered

into the system. This is accomplished by creating a

suction group application in the rack controller.

Programming of the suction group will depend upon

the system as well as the options desired by the end

user. The following section covers the steps neces-

sary to setup the sample rack shown in figure 3.9.

From the Main Menu:

1. Press 6 (Add / Delete Application).

2. Press 1 (Add Application).

3. Press F4 (Lookup) and select Suction Group from

the option list.

4. Enter the number of suction groups controlled by

this E2.

5. When prompted by the E2 to edit the application,

Press Y for yes.

AE8-1337 R1

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