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1.- GENERAL CHARACTERISTICS
INSTALLER COMPANY NAME: CONTACT PERSON NAME:
TEL.: Fax e-mail
ATTENTION TO : Lennox Refac S.A. CONTACT PERSON NAME:
TEL.: Fax e-mail
ORDER NUMBER:
B.-Select the air flow drive of the indoor unit required: Horizontal or vertical.
Packaged units: As standard vertical air flow drive.
Split and multi-split systems: As standard horizontal air flow drive.
D.- Select if you need return fan with the freecooling
E.-Select the dampers configuration for the freecooling, as following. (In order to be adapted to the ducts of the installation)
8.- SELECTION OF THE UNIT AND FREECOOLING SYSTEM
There are different types of freecooling system, different possibilities of dampers installations, and it could be supplied mounted
or loose.
In order to provide the customer the needed one, fill in the following table and send it to the order department:
E.1- Freecooling dampers position WITHOUT return fan:
The drawings are an upper view of the indoor unit and freecooling
A.-Select the unit needed, packaged, split or multi-split:
(If the unit needed is packaged, the freecooling will be supplied loose. If the unit selected is split or multi-split the freecooling
will be supplied mounted on the indoor unit, except for the freecooling with return fan on models 76D, which is supplied loose
also).
C.-Select the type of freecooling thermostatic or enthalpic and the sensor for freecooling management.
Thermostatic freecooling supplied with sensor incorporated inside the thermostat,
Enthalpic freecooling supplied with duct sensor
(If the humidity conditions where the unit is going to be installed have relevance, is convenient to install an enthalpic freecooling)
Vertical
Horizontal
Thermostatic
Enthalpic
With return fan
Without return fan
Packaged Split Multi-split
Remote ambient sensor
Remote duct sensor
Remote ambient sensor
Sensor incorporated at
the thermostat
1.6.- AVAILABLE OPTIONS
FREECOOLING
E.2- Freecooling dampers position WITH return fan:
The drawings are an upper view of the indoor unit and freecooling
POSITION 1 POSITION 2
POSITION 1
POSITION 2
POSITION 3 POSITION 4
Outdoor air intake
Freecooling
Indoor unit
Return air
Discharge
Outdoor air intake
Freecooling
Indoor unit
Return air
Discharge
Discharge
Discharge air
Return air
Indoor unit
Mixing section
Return air
section
Freecooling
Outdoor air intake
Discharge air
Discharge
Outdoor air intake
Return air
Indoor unit
Mixing section
Return air
section
Freecooling
Discharge
air
Outdoor air intake
Discharge
Return air
Indoor unit
Mixing section
Return air
section
Freecooling
Discharge air
Discharge
Return air
Indoor unit
Mixing section
Return air
section
Freecooling
Outdoor air intake
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