Airedale Chilled Water Cassette 2kW - 11kW - Manual (Page 3)

4 Technical Manual: 6806236 0 /20
CHILLED WATER CASSETTE
INTAKE GRID AND DISTRIBUTION OF THE AIR
Intake grids, frame and adjustable air distribution louvers on each side, made from ABS.
RSNA version
: white ABS, RAL 9003
RSNB version : with intake grid, frame and louvers, choice of one colour only
RSNC version : with intake grid and louvers, choice of one colour, plus white ABS frame RAL 9003
RSND version : with louvers, choice of one colour, while the grid and frame are made from ABS,
RAL 9003
MD-600 version : metal diffuser painted in RAL 9003 white colour with 600x600 dimension to
perfectly fit into the false ceiling standard modules without overlapping parts
(800x800 model is not available).
CASING
Made of galvanized steel with inside thermal insulation (closed cell polyethelene 10 mm thick)
and outside anti-condensate lining.
CONTROL PANEL
Fitted externally with an easily accessible terminal board.
FAN ASSEMBLY
The fan assembly mounted on anti-vibrating supports is extremely quiet. The single air inlet
radial fan is connected to a 6 speed electric motor with single phase 230V/50Hz supply, class B
insulation and integrated Klixon thermal contact for motor protection.
The units are supplied with 3 standard speeds connected and it is possible to change them
on site if necessary.
HEAT EXCHANGER
Made of copper tubes and aluminium fins bonded onto the tubes for maximum transfer contact.
The batteries are with 1, 2 or 3 rows for 2 pipe models and 2+1 rows for 4 pipe models (the
heating row is on the inside part of the battery).
For 4 pipe systems two versions are available:
TL 0.4T, TL 1.4T, TL 2.4T, TL 3.4T, TL 4.4T, TL 5.4T, TL 6.4T supply an higher heating capacity.
The heat exchanger is not suitable for use in corrosive atmosphere or in environments where
aluminium may be subject to corrosion.
CONDENSATE COLLECTION TRAY
High density ABS polystyrene foam condensate tray, shaped in order to optimize the air diffusion,
fire retardant rating B2 to DIN 4102.
AIR FILTER
Synthetic washable filter, easily removable.
CONDENSATE PUMP
Float switch centrifugal pump with 650 mm of maximum head, integral with the unit and wired
to the control panel on the outside of the casing.
VALVE SET
Two or three way valves for ON/OFF operation, with pipe mounting kit and thermostatic actuator.
Main components