Centralised ventilation unit

WS 170 L

No longer available for delivery
Article number: 0095.0082
Manufacturer: MAICO
Centralised ventilation unit with very effective heat recovery through cross-counterflow exchanger, EC motors... more information
Application examples: Low-energy house, Single-family house, Passive energy house, Living room, Office
Product data sheet
WS 170 L IM0014394.PNG Centralised ventilation unit with very effective heat recovery through cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the left, 4 x DN 125, including RLS 1 WR control unit, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX connection possible, 4 x SVR 125 plug connector or 90° B90-125 elbow needed to connect folded spiral-seams ducts (order as accessories)
WS 170 L IM0016031.PNG Centralised ventilation unit with very effective heat recovery through cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the left, 4 x DN 125, including RLS 1 WR control unit, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX connection possible, 4 x SVR 125 plug connector or 90° B90-125 elbow needed to connect folded spiral-seams ducts (order as accessories)
WS 170 L IM0007254.PNG Centralised ventilation unit with very effective heat recovery through cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the left, 4 x DN 125, including RLS 1 WR control unit, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX connection possible, 4 x SVR 125 plug connector or 90° B90-125 elbow needed to connect folded spiral-seams ducts (order as accessories)

Characteristic curve

WS 170 L - Characteristic curve

I - Interval / vacation operation for humidity protection

  1. Reduced ventilation
  2. Nominal ventilation
  3. Intensive / Party operation
  4. Recommended setting range

Dimensioned drawing

WS 170 L - Dimensioned drawing [mm]

  1. DN 125 outgoing air
  2. DN 125 outside air
  3. DN 125 exhaust air
  4. DN 125 supply air
  5. Cable screw-connection
  6. Main switch
  7. Condensation connection

Technical data

WS 170 L - Technical data

Article WS 170 L
Model Standard version - left-hand
Number of ventilation levels 4
Air flow volume 40 m³/h - 160 m³/h
Volumetric flow constant yes
Speed controllable
SEC average -36,5 kWh/(m²*a)
Energy efficiency class A
Type of voltage Alternating current
Rated voltage 230 V
Frequency 50 Hz/60 Hz
SPI value in accordance with DIN EN 13141-7 (A7) 0,32 Wh/m³
Power consumption 21 W - 80 W / At 100 Pa counter pressure
Power consumption in accordance with DIN EN 13141-7 (A7) 35 W
Stand-by power consumption < 5 W
Imax 0,5 A
Degree of protection IP 00
DIBT approval yes
PHI certification No
Installation site Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall
System type Centralised
Housing material Sheet steel, powder coated
Heat exchanger material Synthetic material
Inner coating material Plastic EPP
Colour white aluminium, similar to RAL 9006
Weight 36,5 kg
Weight including packaging 41,38 kg
Filter class G4 / G4
Connection diameter 125 mm
Connection diameter of condensation drain 3/4" hose connection or drain pipe with a diameter of 28 mm
Width 595 mm
Height 820 mm
Depth 375 mm
Width with packaging 640 mm
Height with packaging 990 mm
Depth with packaging 400 mm
Airstream temperature at IMax -20 °C up to 60 °C
Ambient temperature 10 °C up to 40 °C
Max. degree of heat provision in accordance with DIN EN 13141-7 (A7) 95 %
Heat exchanger construction type Cross-counterflow
Bypass No
Frost protection External
Enthalpy heat exchanger No
Antifreeze circuit yes
Summer circuit Exhaust air with RLS D1 WR
Filter monitoring with time control
Humidity control -
CO2 regulation (optional) SKD
Air quality control (optional) EAQ 10/2
KNX connection (optional) to be supplied by the customer
MODBUS interface No
Control unit included in scope of delivery. RLS 1 WR
Control unit (optional) RLS D1 WR
Wireless switch on/off (optional) XE 1, XS 1
EnOcean wireless integration (optional) No
Mobile control No
Housing emission sound pressure level 42 dB(A) / 45 dB(A) / 47 dB(A) / Spacing 1m, sound absorption 10 m²
Approval number Z-51.3-292
Packing unit 1 piece
Range K
GTIN (EAN) 4012799950820
Article number 0095.0082

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA2, Step 1 (dB(A))

22

36

38

38

39

31

20

5

44

LWA5, Step 1 (dB(A))

25

36

34

34

38

30

18

5

43

LWA6, Step 1 (dB(A))

25

36

37

35

42

32

20

6

45

LWA2, Level 2 (dB(A))

20

38

41

40

41

34

23

9

47

LWA5, Level 2 (dB(A))

26

36

36

36

41

32

19

4

44

LWA6, Level 2 (dB(A))

26

37

39

37

44

35

23

8

46

LWA2, Level 3 (dB(A))

23

38

42

43

44

38

26

12

49

LWA5, Level 3 (dB(A))

18

35

37

37

44

37

22

8

46

LWA6, Level 3 (dB(A))

23

36

40

39

47

40

25

11

49

LWA2= housing sound power level in dB.

LWA5= free inlet sound power level in dB.

LWA6= free outlet sound power level in dB.

LWA5, LWA6 = sound power level emitted to the free surroundings. Measured at a subsequent operating point on the connections facing the room. LWA5 Exhaust air connections, LWA6 Supply air connections.

Operating point, level 1: Air volume 70 m³/h and external pressure 100 Pa

Operating point, level 2: Air volume 100 m³/h and external pressure 100 Pa

Operating point, level 3: Air volume 130 m³/h and external pressure 100 Pa

In accordance with DIN 45635, Part 38, April 1986.

Accessories / Spare parts

WS 170 L - Accessories / Spare parts

Specific accessories

General accessories

Product type Name Art. No. Price*(EUR) Action
MAICOTherm ventilation duct system, thermally insulated MAICOTherm MT thermally insulated ventilation duct system - - -
MAICO FFS ventilation duct system, flat MAICO FFS flexible flat ventilation duct system - - -
Shutter AP 120 0059.0950 on request
  • On the notes
Fly screen FG 120 0093.0924 on request
  • On the notes
External grille SG 120 0059.0951 on request
  • On the notes
Stainless steel cowl LH-V2A 12 0151.0378 on request
  • On the notes
Outside air wall connection KW-AL 12E 0152.0073 on request
  • On the notes
Outside air wall connection KW-AL 12W 0152.0074 on request
  • On the notes
Outside air wall connection KW-AL 16E 0152.0077 on request
  • On the notes
Outside air wall connection KW-AL 16W 0152.0078 on request
  • On the notes
Outgoing air wall connection KW-FL 12E 0152.0075 on request
  • On the notes
Outgoing air wall connection KW-FL 12W 0152.0076 on request
  • On the notes
Outgoing air wall connection KW-FL 16E 0152.0079 on request
  • On the notes
Outgoing air wall connection KW-FL 16W 0152.0080 on request
  • On the notes
Combi-wall connections KWH 12 L 0152.0059 on request
  • On the notes
Combi-wall connections KWH 12 R 0152.0058 on request
  • On the notes
Combi-wall connections KWH 16 L 0152.0061 on request
  • On the notes
Combi-wall connections KWH 16 R 0152.0060 on request
  • On the notes
Roof outlet DF 125 T 0092.0373 on request
  • On the notes
Roof outlet DF 125 S 0092.0374 on request
  • On the notes
Roofing tile DP 125 TB 0092.0378 on request
  • On the notes
Roofing tile DP 125 SB 0092.0379 on request
  • On the notes
Roofing tile DP 125 A 0092.0382 on request
  • On the notes
Mounting clamp BS 125 0092.0359 on request
  • On the notes
Rain protection grille RG 125 0151.0280 on request
  • On the notes
Exhaust and supply air valve AZV 100 0152.0087 on request
  • On the notes
Disk valve, metal TM 10 0151.0194 on request
  • On the notes
Disk valve, metal TM 12 0151.0196 on request
  • On the notes
Disk valve, stainless steel TM-V2A 10 0151.0374 on request
  • On the notes
Disk valve, stainless steel TM-V2A 12 0151.0375 on request
  • On the notes
Disk valve, metal TFA 10 0151.0369 on request
  • On the notes
Disk valve, metal TFA 12 0151.0370 on request
  • On the notes
Disk valve, metal TFZ 10 0151.0364 on request
  • On the notes
Disk valve, metal TFZ 12 0151.0365 on request
  • On the notes
Mounting frame for TFA/TFZ EBR-D 10 0092.0493 on request
  • On the notes
Mounting frame for TFA/TFZ EBR-D 12 0092.0494 on request
  • On the notes
Supply air valve ZWVQ 10 0152.0064 on request
  • On the notes
Supply air valve ZWVQ 12 0152.0065 on request
  • On the notes
Grease filter element for exhaust air FFE 10 0092.0506 on request
  • On the notes
Sound absorber box SB 12/16 0059.0995 on request
  • On the notes
Tubular sound absorber RSR 12 Remaining parts 0092.0312 on request
  • On the notes
Tubular sound absorber RSR 12-1 0092.0593 on request
  • On the notes
Tubular sound absorber RSR 12/50-1 0092.0601 on request
  • On the notes
Slide-in sound absorber SDE 8 0044.0213 on request
  • On the notes
Slide-in sound absorber SDE 10 0044.0214 on request
  • On the notes
Slide-in sound absorber SDE 12 0044.0215 on request
  • On the notes
Electrical air heater ERH 12-1 0082.0101 on request
  • On the notes
Water air heater WRH 12-1 0082.0117 on request
  • On the notes
Air filter TFE 12-4 0149.0075 on request
  • On the notes
Air filter TFE 12-7 0149.0050 on request
  • On the notes
Thermostat TH 10 0157.0764 on request
  • On the notes
Channel sensor FL 30 P 0157.0780 on request
  • On the notes
Room sensor FR 30 P 0157.0781 on request
  • On the notes
Air flow monitor LW 9 0157.0779 on request
  • On the notes
CO2 sensor SKD 0157.0345 on request
  • On the notes
Tubular sound absorber RSR 12/50 No longer available for delivery 0092.0322 on request
  • On the notes
Air filter TFE 12-5 No longer available for delivery 0149.0059 on request
  • On the notes
Radio switch XS 1 No longer available for delivery 0157.0344 on request
  • On the notes
Radio receiver XE 1 No longer available for delivery 0157.0343 on request
  • On the notes
Roofing tile DP 125 TF No longer available for delivery 0092.0376 on request
  • On the notes
Roofing tile DP 125 SF No longer available for delivery 0092.0377 on request
  • On the notes
Temperature control system ETL 16 P No longer available for delivery 0157.0824 on request
  • On the notes
Air quality controller EAQ 10/2 No longer available for delivery 0157.0834 on request
  • On the notes

Spare parts

Product description

Productdescription

WS 170 L

short description

Centralised ventilation unit with very effective heat recovery through cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the left, 4 x DN 125, including RLS 1 WR control unit, DIBT approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX connection possible, 4 x SVR 125 plug connector or 90° B90-125 elbow needed to connect folded spiral-seams ducts (order as accessories)

Product description

Standard model

  • Standard unit with RLS 1 WR room air control and G4 filter (outside air, exhaust air).
  • Device in left-hand version

Features

  • Compact, very quiet and energy-saving unit.
  • DC motors with integrated, automatic volumetric flow regulation for constant air volume (volumetric flow consistency).
  • Maximum heat recovery and time-saving adjustment.
  • Maximum air tightness. Good flexibility thanks to various connection options.
  • Sheet steel, powder coated housing.
  • Colour white aluminium
  • Inner cladding made from temperature-resistant and extremely noise- and heat-insulating plastic (EPP). The material is also characterised by its hygienic and non-hygroscopic properties. Tested by the Institut für Lufthygiene Berlin [Berlin Institute for Air Hygiene] according to VDI 6022 Part 1.
  • The narrow unit is particularly well-suited to installation in kitchens.
  • Simple filter change is possible without tools.
  • 4 DN 125 duct connections. Can be equipped with plug-in connectors or duct bend (accessories).
  • Connection to KNX possible.
  • Connection to EnOcean possible (WS 170 KBR../WS 170 KBL..).
  • Integrated MODBUS interface (WS 170 KBR../WS 170 KBL..).
  • DIBT approval (exception WS 170..ET).
  • PH certification (exception for WS 170 R../WS 170 L.. and all WS 170..ET).

RLS 1 WR control unit

  • Included in scope of supply for all WS 170 units.
  • Switching the 4 ventilation levels, maintenance display, fault messages.
  • Optional with/without on/off switch.
  • Other control units can be connected in parallel.

RLS D1 WR digital control unit

  • Optional for WS 170 R.., WS 170 L.., WS 170 KR.. and WS 170 KL...
  • Control and power supply through a 2-core bus cable.
  • Digital status display, switching the 4 ventilation levels, time and date (weekly program, "Plus function", maintenance display and fault messages).
  • Plus function (summer operation): In eco mode, only the exhaust fan runs, so around 50 % less power is used.

Touch screen control unit RLS T1 WS

  • Optional for WS 170 KBR../WS 170 KBL...
  • Up to 6 operating modes possible.
  • 2 automatic operating modes (Auto Sensor / Auto Time).
  • 4 manual operating modes (ECO exhaust air / ECO supply air / OFF).

air@home

  • The WS 170 KBR../WS 170 KBL.. units have an integrated web server and can be controlled with an app when at home or out and about, e.g. using a smartphone.
  • Live reports, user administration, control and setting using web tool, via tablet, laptop and PC.
  • Settings:
    • Needs-based automatic mode / Time-controlled automatic mode.
    • Manual operation / OFF.
    • ECO mode supply air or ECO mode exhaust air.
    • Filter queries, error messages.
  • Registration needed. For more info, see "www.air-home.de"

Controller

  • 3 temperature sensors in outside -, outgoing and supply air connections.
  • 1 combination sensor (temperature and humidity) in exhaust air connection.
  • Integrated excess humidity avoidance function.
  • Continuously variable needs-based adaptation of air volumes.
  • Can be extended with other PCBs (e.g. ZP 1, ZP 2).

ModBus

  • Units WS 170 KBR../WS 170 KBL...
  • Integrated MODBUS interface enables integration in the building control technology.

EnOcean

  • Units WS 170 KBR../WS 170 KBL...
  • Optional EnOcean plug-in module E-SM for integrating the ventilation unit into "EnOcean world" "www.enocean-alliance.org".
  • The data is transferred in the 868.3 MHz frequency band.
  • Only the following EnOcean Equipment Profiles (EEP) are supported by the E-SM plug-in module: EEP A5-04-01, EEP A5-09-08, EEP A5-09-04, EEP F6-02-01.

KNX

  • All WS 170 units can be connected to the KNX building control technology (www.knx.org).
  • WS 170 R../WS 170 L.. and WS 170 KR../WS 170 KL.. via an additional KNX fan coil actuator (provided by the customer).
  • WS 170 KBR../WS 170 KBL.. via optional KNX plug-in module K-SM accessory.

Heat exchanger/heat recovery

  • Highly efficient cross-counterflow heat exchanger made of plastic (PS).
  • Heat recovery up to 95 %.
  • Humidity recovery up to 66 % (for ET units).
  • Hygiene certificate (no bacteria, virus growth/virus transfer) according to VDI 6022, sheet 1.
  • Heat exchanger can be cleaned with water, antimicrobial.
  • Units with enthalpy heat exchangers do not require a condensation connection.

Frost protection

  • Prevention of the heat exchanger freezing at low temperatures.
  • Highly energy-efficient frost protection function for “K” unit models via demand-controlled, power-modulated, electric PTC preheating register.
  • For “non-K” unit models via supply air fan switch-off.
  • Recommendation: For “non-K” unit models, combine the heat recovery with a brine heat exchanger.

Fans

  • Forward curved centrifugal fans in the outside air or outgoing air.
  • Energy-efficient EC direct current motors with integrated volumetric flow consistency control.
  • Possibility of pressure consistency control via the optional additional circuit board ZP 2.
  • 4 ventilation levels from 40 m³/h to 160 m³/h, can be adjusted continuously.

Installation information

  • Easy, very time-saving installation with the wall bracket included in the scope of delivery.
  • Housing cover is easy to remove using practical magnetic locks.
  • Provide sound absorbers on the supply air and exhaust air sides.
  • Comments: All unit variants (e.g. "K") can be converted into other unit variants (e.g. "KRET") later on using optional components.

Condensation drain

  • Condensation drain (3/4" hose connection or drain pipe with a diameter of 28 mm) at the bottom of the unit.
  • Connection to a siphon.
  • Sturdy, easy to clean, integrated condensate tank.

Table of contents

Wiring diagram

WS 170 L - Wiring diagram

WS 170 R and WS 170 L wiring diagram

A - WS 170 ventilation unit

A1 - Electronic slide-in module

A2 - Control circuit board

B - RLS D1 WR room air control

B1 - RLS 1 WR room air control

W1 - 230 V AC connection cable

W2 - Shielded control cable provided by customer, e.g. LiYCY 2 x 0.75 mm² for RLS D1 WR room air control, instead of B1 (RLS 1 WR) room air control, B1 (RLS D1 WR) room air control can be connected.

W2´ - Control cable (provided by customer) for RLS 1 WR room air control outer diameter of control cable 3.2...6.5 mm, e.g. LIYY 6x0.34 mm²

S1 - Unit switch

M1 - Supply air fan

M2 - Exhaust fan

S - Door contact switch: activated by front plate

T-min - Frost protection temperature sensor

Supply air

Z1 (blue) - potentiometer adjuster, ventilation level 1

Z2 (blue) - potentiometer adjuster, ventilation level 2

Z3 (blue) - potentiometer adjuster, ventilation level 3

Exhaust air

A1 (red) - potentiometer adjuster, ventilation level 1

A2 (red) - potentiometer adjuster, ventilation level 2

A3 (red) - potentiometer adjuster, ventilation level 3

Jumper settings

J 1-3 - Unit type, 000 = WS 170

J 4-5 - Frost protection temperature

J 6 - No function

J 7 - Jumper 7 open: Ventilation level 3 is reset after an hour.

J 8 - RLS 1 WR or RLS D1 WR room air control active: Leave factory setting, J8 must be bridged.

J 9 - Jumper 9 open: The ventilation unit can be switched off at the room air control. Jumper 9 bridged: RLS 1 WR room air control: Switch-off function blocked. RLS D1 WR room air control: Ventilation unit runs in "Humidity protection ventilation" mode when in the OFF switch position.

J 10 - HY 5 or CO2/VOC sensor: Without a sensor, jumper 10 must be open. Jumper 10 open: Hygrostat released with potential-free contact. Jumper 10 bridged: CO2/VOC sensor (0 to 10 V output) released.

Further connection options

W3 Connection cable (provided by customer) for external operating display.

k1 - Potential-free relay contact (max. 3A / 250 VAC, 2A / 30 VDC). The contact is closed when the ventilation unit is running.

W4 - Connection cable (provided by customer) for external CO2 sensor or external hygrostat (hygrostat with potential-free contact).

W5 -Connection cable (provided by customer) for external differential pressure controller. Differential pressure controller with potential-free relay contact. Minimum switching capacity of relay contact: 230VAC/2A. Remove J1 bridge on A2 control circuit board.



WS 170 ventilation unit with RLS 1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: jumper 8 bridged (= factory setting)

B1 - 1. RLS 1 WR room air control

B2 - 2. RLS 1 WR room air control

W1 - 230 V AC connecting cable

W2' - Control cable for room air control

V - Distributor (supplied by the customer)

You can connect up to 5 RLS 1 WR room air controls to the ventilation unit. If several room air controls are used, no CO2 sensor may be connected.

RLS 1 WR room air control can also be connected to RLS D1 WR room air control.

No need for distributor "V" if only one RLS 1 WR room air control is connected.



WS 170 ventilation unit with RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged (= factory setting)

B - RLS D1 WR room air control

W1 - 230 V AC connection cable

W2 - Control cable for room air control, shielded control cable



WS 170 ventilation unit with external operating display and RLS 1 WR or RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged (= factory setting)

B - RLS D1 WR room air control

B1 - RLS 1 WR room air control

H1 - Display element, e.g. glow lamp (to be supplied by the customer)

W1 - 230 V AC connection cable

W2, W2´ - Control cable for room air control

W3 - Cable for an external operating display (to be supplied by the customer). The connection on A2 control circuit board is done at the “Operating display” terminals.

An operating display (lamp, contactor, etc.) can be connected to the control circuit board for external monitoring of the ventilation unit by a building supervisor, for example. For this purpose, there is potential-free relay contact on the control circuit board “k1”.

Relay contact “k1” is closed when the ventilation unit is running. Maximum load-bearing capacity for relay contact k1 = 3A / 250 V AC, 2A / 30 V DC.



WS 170 ventilation unit with CO2 sensor or VOC sensor and RLS 1 WR or RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged (= factory setting) Jumper 10 bridged = sensor is detected.

B - RLS D1 WR room air control

B1 - RLS 1 WR room air control

CO2 - SKD CO2 sensor

VOC - EAQ 10/2 air quality controller

W1 - 230 V AC connection cable

W2, W2´ - Control cable for room air control

W4 - Connection cable for external CO2 sensor and/or VOC sensor (provided by customer). Connection to A2 provided by customer at CO2 and OT terminals. Set jumper 10 (CO2) to release the feature

When connecting a CO2 or VOC sensor for the demand-driven fresh air supply. The ventilation unit only reacts to the sensor if ventilation level 2 (nominal ventilation) is selected on the room air control.

If a CO2/VOC sensor is connected, only one RLS 1 WR room air control may be connected.

Never operate an EAQ 10/2 air quality sensor together with a CO2 sensor.



WS 170 ventilation unit with hygrostat and RLS 1 WR or RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged and jumper 10 (CO2) = open (= factory setting)

B - RLS D1 WR room air control

B1 - RLS 1 WR rH room air control HY 5 or HY 5 I hygrostat

W1 - 230 V AC connection cable

W2, W2´ - Control cable for room air control

W4 - Connection cable for external hygrostats (to be supplied by the customer). Connection to A2 control circuit board at CO2 terminals

When connecting a hygrostat with potential-free contact for demand-driven removal of moisture, the hygrostat must have a potential-free switching output.

The hygrostat always switches the ventilation unit to ventilation level 3 if the set humidity value is exceeded (potential-free contact in hygrostat closes).

If the humidity in the room drops, the ventilation unit switches back to the previously selected ventilation level.

If you switch manually from ventilation level 3 to level 2 or 1, this deactivates the automatic function of the hygrostat temporarily. This is then switched back to active if the level drops below the hygrostat set point once.

Connect the hygrostat to terminal "CO2".

Jumper 10 on the A2 control circuit board must be open.

Set the switching point at the hygrostat manually.

Never connect a hygrostat and a CO2 sensor/VOC sensor at the same time.



WS 170 ventilation unit with differential pressure controller and RLS 1 WR or RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged (= factory setting)

B - RLS D1 WR room air control

B1 - RLS 1 WR room air control

P - Differential pressure controller with potential-free relay contact k (provided by customer)

k - Switching output, potential-free relay contact

W5 - Connection cable for differential pressure controller (provided by customer)

If there is negative pressure in the room, the differential pressure controller switches the fans in the ventilation unit off. This blocks the room air control RLS 1 WR. The LED display goes out. The unit is only released again when the differential pressure controller switches the fans back on. The ventilation unit runs again at the same ventilation level

as before it was blocked.



WS 170 ventilation unit with NTC 15 supply air temperature sensor and RLS 1 WR or RLS D1 WR room air control

A - WS 170 electronic slide-in module

A2 - Control circuit board: Jumper 8 bridged (= factory setting)

B - RLS D1 WR room air control

B1 - RLS 1 WR room air control

GW1 - Gateway frost protection heat register

GW2 - Gateway bypass shutter (only WS 170 bypass unit)

T1 - Supply air temperature sensor in

supply air channel (provided by customer)

W1 - 230 V AC connection cable

W2, W2´ - Control cable for room air control

W6 - Connection cable of supply air temperature sensor. Connection on GW1 circuit board to KL2 terminals.

For WS 170 in passive-energy houses, an NTC 15 must also be installed to protect against icing over (if the supply air is too cold). The ventilation unit then switches off at supply air temperatures of less than 6 °C.

Only in Comfort and Bypass units when deploying a supply air temperature sensor: Remove the resistor on GW1 circuit board at the KL2 terminals.



Predecessor - successor

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