System Overview - Maico WS 170 L Notice D'utilisation Et D'entretien

UK │ 2. Product information
WS 170 KBR, WS 170 KBL: Bypass unit
with digital RLS D1 WR room air control.
As comfort unit. Also with bypass channel.

2.2 System overview

Figure A: WS 170 in right-hand version
Figure shows WS 170 KBR by way of
example
Not illustrated: WS 170 in left-hand version
with mirrored design
Outside air
I
II Supply air into living areas
III Exhaust air from living areas
IV Outgoing air
Item Designation
1 Front cover.
Bypass unit
also with
bypass
channel.
2 Quick-release
clip
3 Ø125 mm duct
connection
4 Cable
duct
5 Cable screw-
connection
6 Main switch
7 Door contact
switch
single for
standard unit,
double for
● comfort unit
● bypass unit
8 G4 air filter in
● standard unit
optional in
● comfort unit ●
bypass unit
22
Function
Is removed for filter
replacement or for
cleaning and
maintenance work.
For simple opening
and closing of the
front cover.
For connecting folded
spiral-seams ducts or
accessories, items
19+20.
For control cables and
optional components.
For power cable, fully
wired in the unit.
Mains switch
On/Off
Safety equipment:
Fans and/or frost
protection heating
registers switch off
when the front cover
[1] is removed.
Filters coarse
dirt out of the air.
Item Designation
9 Pollen filter,
filter class F7 in
● comfort unit
● bypass unit
10 Electronic slide-
in module
11 Frost protection
heating register
● comfort unit
● bypass unit
12 Outside air fan
13 Outside air
temperature
sensor in
● bypass unit
14 Outgoing air fan Conveys the used air
15 Bypass shutter
in
● bypass unit
16 Condensate
elbow
with reducer
17 Frost protection
temperature
sensor
18 Heat exchanger
ET-units with
enthalpy heat
exchanger
Function
Filters the smallest
dirt out of the outside
air, e.g. pollen.
Contains the control
circuit board and
optional extra circuit
boards for heating re-
gister or bypass shutter.
For preheating
the outside air.
Conveys fresh air
into the living area.
Measures the outside
air temperature in the
outside air channel
immediately down-
stream of the frost
protection heating
register.
to the outside.
If the outside air is
cooler than the room
air (warm time of the
year), the outside air
can be fed straight
into the supply air
spaces via the front
cover's bypass.
For connecting the
outlet hose. Conden-
sate collected in the
heat exchanger is dis-
charged via this hose.
Measures the
temperature of the
outgoing air directly
downstream of the
heat exchanger.
The heat transfer
between the exhaust
air and supply air
flows happens in the
heat exchanger.