Installation Of Flexible Ducts; Installation Instructions - Electra DNC series Service Manual

INSTALLATION MANUAL
5.

Installation of flexible ducts

The air-conditioner indoor unit has eight 8" air supply openings - 4 supply openings in each
direction. Do not open more than a total of 6 openings. The amount of openings is intended for
maximum flexibility of installation when in one side of the unit there are four rooms.
The air-conditioner is delivered with 2 open openings (one for each side). Additional openings can
be easily opened by means of a cutting knife. Furthermore, the package includes a set of adapters
for flexible ducts that include:
- 8" adapter - 4 units (in DNC 955 model - 3 units)
- 12" adapter - one unit
- 12" to 10" adapter - one unit
5.1

Installation instructions

A. Select the necessary air openings and open them.
B. Install the adapters and secure them with the locking screw (see Fig. 14). For the
installing convenience, the adapter can be mounted on the unit after it is connected to
the flexible duct, before mounting the adapter to the unit.
C. Upon finishing the ducts installation and before closing the lower ceiling, check the air
distribution. Installing a manual damper can regulate air distribution between the air -
conditioned spaces. The damper can be regulated by turning the hexagon into the
required direction. The damper can be installed in every air supply opening of the unit
and the adapter is installed over it. After regulating - the locking screw must be tightened
(see Fig. 15).
Fig. 14. Installing adapters and flexible ducts
English 14
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