Carrier 50CO W 40 Instructions D'installation, De Fonctionnement Et D'entretien page 56

11 - TECHNICAL SPECIFICATIONS
Free-cooling plenum (Height 550 mm):
This accessory should not be installed in corrosive environments (saline environments) or explosive environments (ATEX area).
Composition: This is a mixing box made up of two dampers. (one fresh air side and the other on the room's return air side).
Two combined temperature and humidity sensors are also provided at the back of the unit. (One outdoor sensor and one internal room
sensor).
Internal room sensor
The outdoor sensor should be installed in a well ventilated area that is not exposed to direct sunlight.
Connection: The plenum is mounted above the unit. A diagram provided with the plenum explains the mounting system. Do not forget
to stick the adhesive gasket provided to the edge of the plenum frame that will be in contact with the unit to ensure its tightness.
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Grommet for control cable routing or
for master/slave management, as well
as room sensor cables.
Access hatch for junction box and
damper servomotors
Grommet for control cable
routing or for master/slave
management, as well as room
sensor cables.
Junction box
2 dampers
Outdoor room sensor
Servomotor