LCC Ceiling diffusers Calculator

Product
CRL
GS23
LCA
LCAN
LCC
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LKA
LKAN
LKP
NC19
NQ19
NS19
PC6
PC7
PCA
PCAN
PCY
PKA
PKAN
PKY
PS1
PS8
RC14
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RCG
RS14
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Plenum boxes
MBV Sound-attenuated supply plenum box with motorized cone damper for variable airflows
MBE Sound-attenuated extract plenum box with cone damper for constant airflows
MBC Sound-attenuated supply plenum box with rotating blade damper for constant airflows
MBB Sound-attenuated supply or extract plenum box with cone damper for constant airflows
CBE Sound-attenuated extract plenum box with rotating blade damper for constant airflows
CBC Sound-attenuated supply plenum box with rotating blade damper for constant airflows

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Plenum box

Plenum box type

Duct connection size

Diffuser connection size

Sensor

Function

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Working setup

Air volume

q_v

Room attenuation

D_r

Adjustment pressure

Δp

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LCC

LCC-200+MBV-125-200

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Ceiling diffuser

LCC is a flush-mounted circular diffuser with a circular unperforated face plate for installation in permanent ceilings.
For ceiling systems, see LCP.
LCC is suitable for the horizontal supply of cooled air and has a large dynamic range.
Installing an LCC diffuser in a plenum box type MB can help to achieve a stable airflow to the diffuser as well as realise the potential for individual adjustment.

MB box with damper type B is with a unique linear cone damper which allows to use the full operational working area and can balance with a high balancing pressure with low sound generation.
Furthermore the construction of the damper provides a linear balancing characteristic, as well as an accurate and reliable measurement.

MB and CB box with damper type C or E are with rotating blade dampers for respectively supply and extract. Typically used in applications that do not require a high balancing pressure in the plenum box.

LCC can be used with VAV plenum box type MBV for use in DCV room control systems and potentially combined with Lindab Pascal System Management.
LCC is available with an integrated presence sensor (-P) and/or with temperature sensor (-T). The sensors are built into the faceplate. When a sensor version is selected, LCC must be used with the MBV VAV plenum box.