Maico WS 170 L, Operating And Maintenance Instructions Manual, Page: 23 / 62

Table of contents
│ uk
21
Table of contents
1. General advice ....................................... 21
1.1 Symbols used ................................. 21
2. Product information ................................ 21
2.1 WS 170 units ................................... 21
2.2 System overview ............................. 22
2.3 Controls, sensors ............................ 23
2.4 Intended use ................................... 23
2.5 Foreseeable cases of misuse .......... 23
3. Safety instructions .................................. 23
3.1 General ........................................... 23
3.2 Air filter ............................................ 24
3.5 Regulations for operation with
fireplaces .............................................. 25
4. Operation ............................................... 27
4.1 Room air controls ............................ 27
4.2 RLS 1 WR room air control ............. 27
4.3 RLS D1 WR room air control ........... 28
4.4 Parallel operation with RLS 1 WR
and RLS D1 WR ................................... 29
5. Optional system components ................. 29
5.1 CO
2
sensor (SKD) / VOC sensor
(EAQ 10/2 air quality controller) ............ 29
5.2 HY 5 hygrostat ................................ 29
6. Cleaning, maintenance .......................... 29
6.1 Safety instructions ........................... 29
6.2 Replacing the air filter ..................... 30
6.3 Cleaning the ventilation unit ............ 31
6.4 Cleaning the condensate drain
and siphon ............................................ 31
7. Faults, messages ................................... 32
7.1 Filter replacement display ............... 32
7.2 Fault displays .................................. 32
7.3 Faults and their rectification
RLS 1 WR room air control ................... 33
7.4 Frost protection temperatures ......... 35
8. Accessories ........................................... 35
9. Spare parts ............................................ 36
10. Technical data ...................................... 38
11. Disposal ............................................... 38
1. General advice

Read these operating and
maintenance instructions carefully
before using the WS 170 for the
first time. Follow the instructions.
Keep these instructions safe for
use later on.
1.1 Symbols used
NOTICE Possible situation which could
cause damage to the product or
its surroundings.
INFO symbol indicating
important information and tips.
●
Bullet point for information on
the corresponding subject.
1. Instructions. Follow the instruct-
tions given in the order stated.
2. Product information
WS 170 ventilation unit for controlled domes-
tic ventilation with heat recovery. Supply air
(fresh air) from the flow of exhaust air is
heated by means of heat recovery.
2.1 WS 170 units
R = right-hand version, L = left-hand version
WS 170 R, WS 170 L: Standard unit with
RLS 1 WR room air control and 2x G4 filter.
WS 170 KR, WS 170 KL: Comfort unit with
RLS 1 WR room air control. As the standard
unit but with 1x G4 and 1x F7 pollen filter,
additional electric heating register and sound-
optimised housing with extra insulation.
WS 170 KBR, WS 170 KBL: Bypass unit
with digital RLS D1 WR room air control.
As comfort unit. Also with bypass channel.
Acknowledgements: © Maico Elektroapparate-
Fabrik GmbH. English translation from the original
German Operating Instructions. We cannot be held
responsible for mistakes or printing errors and retain
the right to make technical modifications without giving
prior notice
.
The brands, brand names and protected
trade marks that are referred to in this document
refer to their owners or their products.