DESCRIPTION OF STANDARD UNIT
HWD units are designed for flush mounting. In combination
with the numerous accessories available, they can be used to
create high specification installations for air distribution and
environmental temperature and humidity control.
STRUCTURE
Structure in hot-galvanised steel panelling, complete with
couplings for connection to ducting and gravity drain con-
densate pan. Internal self-extinguishing closed cell expand-
ed polyethylene thermal and acoustic insulation. Removable
regenerable filter in self-extinguishing acrylic, efficiency
class EU2. Ceiling mounting brackets and threaded bars,
complete with vibration dampers, fixing washers and bolts
and threaded tie-bars for ceiling fixing. Insulating gasket for
connection to ducting.
HEAT EXCHANGE COIL
With copper tubes and high exchange surface area alumini-
um fins.
FAN
Centrifugal fan, electronic speed regulation, statically and
dynamically balanced impellers. High working head.
ELECTRICAL SWITCHBOARD
Power and control electrical switchboard constructed in ac-
cordance with IEC 204-1/EN60204-1, complete with regula-
tor and terminal board for connection to power supply, aux-
iliary controls and the PTH2 room thermostat (HWD only).
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Air filter
2
Finned coil
3
Complete electrical switchboard
4
Fan assembly
4
English 07/13
ACCESSORIES
- Two-way intake plenum with damper
- Activated carbon filter
- hot water heat exchange module
- intake plenum
- delivery plenum
- electric heater module:
(3 kW for sizes 602-703-803-904)
(4.5 kW for sizes 1003-1104)
- Discharge plenum for round ducting
(4 x 160mm diam. for sizes 602-703-803-904)
(4 x 200mm diam. for sizes 1003-1104)
- Condensate drain pump
- PTH2 room thermostat, OFF, summer-winter, 3 speed
and auxiliary controls.
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4
I
A
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3
HWD