General Information - Lennox CWC 020 Installation, Operation & Maintenance Manual

Chilled water cassette
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GENERAL INFORMATION

CABINET
The unit chassis is made of galvanised steel and is
fully insulated both inside and out.
DIFFUSER PANEL
Made in decorative plastic, with a smooth finish.
Internal insulation prevents condensation from
forming.
Four louvres ensure air distribution.
HEAT INTERCHANGE
Made of copper tubes and aluminium fins. Coils
have been designed and manufactured to ensure
maximum efficiency.
FAN
The units are supplied with a 3 speed centrifugal
fan. The impellor blades have been designed
specifically for this type of units ensuring
exceptionally low sound levels and the motor is
protected with internal thermal protection.
AIR DISTRIBUTION
The air discharge louvres change position in
automatic or manual mode, (according to versions).
In the case that this function has not been
incorporated the position of the louvres can be
adjusted manually.
The CEILING CASSETTES are designed to operate with chilled and hot water. They
provide both cooling and dehumidification in cooling mode and heating in the latter,
cleaning and filtering the air in the process. Electrical heating elements are available
as an option on all units excluding the CW050. The units are available with cooling
capacities of 2000 to 5200 W and heating capacities of 2800 W to 6000 W.
AIR FILTER
A polypropylene washable air filter is incorporated
in the unit it is easily accessible for maintenance.
INTERNAL COMPONENTS
The unit is designed, with serviceability in mind, and
all components are easily accessible. A drip tray
collects condensate which is removed by means of
a condensate pump.
ELECTRIC CIRCUIT
The electrical panel is provided with a terminal block
which provides connection of mains power or to a
control box. A fused isolator is not included and
where required shall be installed by others.
OPTIONS
-Electric heater. (Excluding CW-050)
-Fresh air kit.
Duct connection.
Fresh air fan.
Duct supports.
-Discharge of air to an adjacent room kit.
Duct connection.
Duct supports.
-Water control valve kit with 2 way or 3 way
proportional control valves.
-Auxiliary drip tray.
3

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This manual is also suitable for:

Cwc 030Cwc 040Cwc 050

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