25
Pressing the
DOWN
key from the O/A DAMPER SETUP will
display the EVAP DAMPER SETUP shown in Figure 22. The
Evaporator Bypass Damper will modulate to hold a specific air
differential pressure drop across the Evaporator coil. The
Evaporator Differential Pressure Set Point is adjustable on this
screen. Right below the adjustable set point is the actual
differential pressure drop across the Evaporator Coil. The Manual
Mode Enable and the Manual Position are adjustable towards the
bottom of this screen. At the very bottom of the screen the
Evaporator Bypass Damper Current Position is displayed.
To return to the Commissioning Menu, press the
Esc
key.
Figure 22
2.3.4.1.4 Commissioning Tests (Figures 23 - 25)
Selecting the COMMISSIONING TESTS from the Commissioning
Menu displays the COMMISSIONING TEST screens. The Reheat
and Remote or Cooling will have a separate test screen (Figures
23 and 24 respectively). Select the condenser to test and override
it by setting the Override to ‘On’. Insure that the superheat is
stable before starting the test. Select ‘Start Test’ by pressing the
UP
key with the cursor over the ‘Start Test’ text. After 5 minutes,
the average refrigeration data can be shown by pressing the
Prg
key. The average superheat as well as the high and low readings
of superheat during this test are found by pressing the
UP
and
DOWN
key. Record this data on the startup form.
Desert Aire - CM3540 Manual
Summary of Contents for CM3540 Series
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