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OPTIONS
OPTIONAL ELECTRIC HEATER TECHNICAL DATA
MODELS 020
MODELS 030-040
• Side knockouts panel are provided. One to connect a fresh air inlet duct, and another to connect an air distribution
duct to deliver air to an adjacent room.
FRESH AIR MAKE UP
INSTALLATION
• Remove the 68 mm insulation material and cut out the
prepunched side knockouts.
• Secure the duct connection flange to the unit. Conduits can
be of flexible polyester type or corrugate aluminium, externally
covered with anti-condensate material.
• Install a supplementary fresh air fan for the introduction of
fresh air into the unit. The fan motor must be controlled by
an ON-OFF switch.
• Fresh air flow must be less than 10% of the total air flow, to
avoid operating problems. A speed controller should be
installed in the supplementary fan motor, for adjusting the
air flow.
AIR SUPPLY TO AN ADJACENT ROOM
INSTALLATION
• Remove the 150 mm insulation material and cut out the
prepunched side knockouts. The two prepunched side
knockouts must not be used at the same time to provide
conditioned air to an adjacent room.
• Cut away the polystyrene around the inside edge of the opened
panel, remove the polystyrene.
• Use a duct connection flange and a suitable duct.
• Air supply to an adjacent room requires that outlet corresponding
with the duct is closed.
• An air inlet grille must be fitted (if possible near the floor)
between the air conditioned room (where the unit is situated)
and the adjacent room.
• Conduits can be of flexible polyester type or corrugate aluminium,
externally covered with anti-condensate material. The duct
length can be calculated by taking into account the pressure
drop through the unit, using the following table.
Air flow supplied to an adjacent room in m /h, fresh air fan at high speed.
UNIT/MODELS
Air flow
Available pressure
POWER
1,5 kW
2 kW
3
CWC 020- CWC 030
3
m /h
175
100
Pa.
0
8
230 V 1Ph -50Hz
Duct connection Ø75 mm(*)
Duct Ø125mm
(*)Elements included in optional kit
Duct connection O 150mmflange and clip(*)
CWC 040
25
200
100
10
15
0
13
Air inlet grille and filter
Reduction
125-75mm(*)
Fan(*)
Insulated flexible
CWC 050
25
250
125
0
20
20
Air intake
duct Ø150
Air inlet
grille
25
30
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