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Step 2: Change “Enable manual valve position” from 0 to 1 and “Manual valve position from
0stp to a desired step value. There are 480 steps total for the EEV. If you would like the valve
to open 62.5%, enter “300stp” such as below:
Step 3: Once all the changes are done, press ESC on the main screen and verify the valve
opening position.
Step 4: Do not forget to revert the control back to automatic by changing the “Enable manual
valve position” back to 0 from 1.
Multiple EEV Configuration
For single circuit units, there will be one EEV and it will be shown as valve A. The letter “A”
will be displayed on the top right corner of the EVD display screen, near the “ON” status. For a
dual circuit unit, there will be two EEVs and the second valve will be displayed as valve B. Set
up for valve A does not affect settings for valve B, therefore, when the unit has two EEVs, set
up for valve B is required.
To setup valve B for circuit #2, press the two furthest keys simultaneously (ALARM + ENTER).
The letter “B” will appear on the top right corner of the display. The display will now show the
refrigerant status of circuit #2. Valve B must to be configured the same as Valve A in
Configuration Menu and Regulation Menu.
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