191VAN Evolution™ Extreme Variable Speed Air Conditioner: Installation Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
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Fig. 11 – Equipment Summary Screen
NOTE: A leak dissipation board must be present for the Evolution™
Connex™ System Control to allow unit operation.
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Fig. 12 – Entering Installation and Service Menu
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Fig. 13 – Installation and Service Menu
During initial installation, the system mode should be OFF. When
system mode is OFF, all menu selections are available. When
system mode is either in Cooling or Heating, only "check charge -
cooling / heating" is available for selection.
6. For new installations, select "new ODU (factory pre-charged)"
from the refrigerant charge screen to begin charging the system
(Fig. 14). For applications where there is no charge in the ODU,
select “full system charge/recharge”.
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Fig. 14 – Refrigerant Charge Mode Selection
7. If indoor and outdoor conditions are in range, subcooling status will
be green and available (Fig. 15). If conditions are outside the range,
subcooling status will be red and unavailable and will require a
partial weigh-in of charge (Fig. 16).
Both “new ODU (factory pre-charged)” and “full system
charge/recharge” modes will allow the user to move forward to start
the system regardless of whether subcooling charging is available.
Lineset configuration and climate zone / odu material type can be
changed by selecting appropriate line if needed. For “new ODU
(factory pre-charged)” record the ADDITIONAL charge amount
listed. For “full system charge/recharge”, record the FULL system
charge amount listed. Press continue..
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Fig. 15 – New ODU (factory pre-charged) - Subcooling Available
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Fig. 16 – Full System Charge/Recharge - Subcooling Unavailable
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