Installation With Dual System Kit - Argoclima AER522QC Technical Data & Service Manual

6-3. Installation with Dual System Kit

The Dual System Kit splits the refrigerant circuit into two circuits, enabling two-room air conditioning with a
single outdoor unit.
When using the Dual System Kit, two indoor units (four units in total) can be connected to a single outdoor unit.
(1) First, remove the capi box to install the Dual System Kit.
(2) Connect the supplied connecting pipe to the Dual System Kit.
(3) Affix the Dual System Kit on the rear surface of the outdoor unit with the supplied tapping screws (4 pcs.) and
connect the Dual System Kit to the service valves of the outdoor unit as shown below. (Figs. 6-8a )
NOTE
The tubing work for Indoor Units A and B have to be carried out after completion of Dual System Kit
installation, air purging and a leak test.
AER522QC
Connecting pipes
Outdoor Unit
Dual System Kit
Dual System Kit
Capi box
Fig.6-8a
Indoor Unit C1
Indoor Unit C2
Fig.6-7
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