WS 170 air@home

Centralised ventilation unit with heat recovery in 12 variants, up to 160 m³/h

Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.

Article	WS 170 R	WS 170 RET	WS 170 L	WS 170 LET	WS 170 KR	WS 170 KRET	WS 170 KL	WS 170 KLET	WS 170 KBR	WS 170 KBRET	WS 170 KBL	WS 170 KBLET
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Article

WS 170 R

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 right, 4 x DN 125, including RLS 1 WR control unit and mobile control by app, 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 RET

Centralised ventilation unit with very effective heat recovery through enthalpy cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the right, 4 x DN 125, including RLS 1 WR control unit and mobile control via app, 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

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 and mobile control by app, 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 LET

Centralised ventilation unit with very effective heat recovery through enthalpy 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 and mobile control via app, 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 KR

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 right, 4 x DN 125, including frost protection heating and RLS 1 WR control unit and mobile control by app, DIBT and passive house 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 KRET

Centralised ventilation unit with very effective heat recovery through enthalpy cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the right, 4 x DN 125, including frost protection heating and RLS 1 WR control unit and mobile control by app, 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 KL

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 frost protection heating and RLS 1 WR control unit and mobile control by app, DIBT and passive house 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 KLET

Centralised ventilation unit with very effective heat recovery through enthalpy cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the right, 4 x DN 125, including frost protection heating and RLS 1 WR control unit and mobile control by app, 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 KBR

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 right, 4 x DN 125, including frost protection heating, bypass, RLS 1 WR control unit and mobile control by app, DIBT and passive house approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX and EnOcean 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 KBRET

Centralised ventilation unit with very effective heat recovery through enthalpy cross-counterflow exchanger, EC motors with constant volumetric flow regulation, supply and exhaust air on the right, 4 x DN 125, including frost protection heating, bypass, RLS 1 WR control unit and mobile control by app, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX and EnOcean 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 KBL

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 frost protection heating, bypass, RLS 1 WR control unit and mobile control by app, DIBT and passive house approval, 40 - 160 m³/h, 23 - 46 m³/h in interval mode, KNX and EnOcean 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 KBLET

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

Article	WS 170 R	WS 170 RET	WS 170 L	WS 170 LET	WS 170 KR	WS 170 KRET	WS 170 KL	WS 170 KLET	WS 170 KBR	WS 170 KBRET	WS 170 KBL	WS 170 KBLET
	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details	Product details

Product type	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit	Centralised ventilation unit
Article number:	0095.0276	0095.0277	0095.0278	0095.0279	0095.0280	0095.0281	0095.0282	0095.0283	0095.0087	0095.0114	0095.0088	0095.0115
Model	Standard version - right-hand	Standard version - right-hand	Standard version - left-hand	Standard version - left-hand	Comfort model, right	Comfort model, right	Comfort model, left	Comfort model, right	Bypass model, right	Bypass model, right	Bypass model, left	Bypass model, left
Number of ventilation levels	4	4	4	4	4	4	4	4	4	4	4	4
Air flow volume	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h	40 m³/h - 160 m³/h
Volumetric flow constant	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
SEC average	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)	-38,6 kWh/(m²*a)	-36,53 kWh/(m²*a)
Energy efficiency class	A	A	A	A	A	A	A	A	A	A	A	A
Type of voltage	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current	Alternating current
Rated voltage	230 V	230 V	230 V	230 V	230 V	230 V	230 V	230 V	230 V	230 V	230 V	230 V
Frequency	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz	50 Hz/60 Hz
SPI value in accordance with DIN EN 13141-7 (A7)	0,32 Wh/m³	0,28 Wh/m³	0,32 Wh/m³	0,28 Wh/m³	0,32 Wh/m³	0,28 Wh/m³	0,32 Wh/m³	0,28 Wh/m³	0,32 Wh/m³	0,28 Wh/m³	0,32 Wh/m³	0,28 Wh/m³
Power consumption	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure	21 W - 80 W / At 100 Pa counter pressure
Power consumption in accordance with DIN EN 13141-7 (A7)	35 W	36 W	35 W	36 W	35 W	36 W	35 W	36 W	35 W	36 W	35 W	36 W
Stand-by power consumption	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W	< 1 W
I_max	0,5 A	0,5 A	0,5 A	0,5 A	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating	0,5 A / With active 4 A frost protection heating
Degree of protection	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00	IP 00
DIBT approval	yes	yes	yes	yes	yes	yes	yes	yes	yes	No	yes	No
PHI certification	No	No	No	No	yes	No	yes	No	yes	No	yes	No
Installation site	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall	Bathroom / Kitchen / Cellar / Storage tank / Jamb wall / Utility room / Heating room / Hall
System type	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised	Centralised
Housing material	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated	Galvanised sheet steel, powder coated
Heat exchanger material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material	Synthetic material
Inner coating material	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP	Plastic EPP
Colour	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)	Traffic white (RAL 9016)
Weight	37,14 kg	44,9 kg	37,14 kg	44,9 kg	37,14 kg	46 kg	37,14 kg	46 kg	44,9 kg	44,9 kg	44,9 kg	44,9 kg
Weight including packaging	41,83 kg	49,73 kg	41,83 kg	49,73 kg	41,83 kg	51 kg	41,83 kg	51 kg	49,73 kg	49,73 kg	49,73 kg	49,73 kg
Filter class	ISO Coarse 80 % (G4)	ISO Coarse 80 % (G4)	ISO Coarse 80 % (G4)	ISO Coarse 80 % (G4)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)	ISO Coarse 80 % (G4) / ISO ePM1 55 % (F7)
Connection diameter	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm	125 mm
Connection diameter of condensation drain	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm	3/4" hose connection or drain pipe with a diameter of 28 mm
Width	595 mm	595 mm	595 mm	595 mm	595 mm	595 mm	375 mm	595 mm	435 mm	435 mm	435 mm	435 mm
Height	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm	820 mm
Depth	375 mm	375 mm	375 mm	375 mm	375 mm	375 mm	595 mm	375 mm	595 mm	595 mm	595 mm	595 mm
Width with packaging	640 mm	640 mm	640 mm	640 mm	640 mm	640 mm	400 mm	640 mm	455 mm	455 mm	455 mm	455 mm
Height with packaging	990 mm	990 mm	990 mm	990 mm	990 mm	990 mm	990 mm	990 mm	970 mm	990 mm	990 mm	990 mm
Depth with packaging	400 mm	400 mm	400 mm	400 mm	400 mm	400 mm	640 mm	400 mm	640 mm	640 mm	640 mm	640 mm
Airstream temperature at I_Max	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C	-20 °C up to 60 °C
Ambient temperature	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C	10 °C up to 40 °C
Max. degree of heat provision in accordance with DIN EN 13141-7 (A7)	95 %	90 %	95 %	90 %	95 %	90 %	95 %	90 %	95 %	90 %	95 %	90 %
Heat exchanger construction type	Cross-counterflow	Enthalpy cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow
Position – exhaust air	right	right	left	left	right	right	left	left	right	right	left	left
Bypass	No	No	No	No	No	No	No	No	yes	yes	yes	yes
Frost protection	External	External	External	External	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated
Enthalpy heat exchanger	No	yes	No	yes	No	yes	No	yes	No	yes	No	yes
Antifreeze circuit	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Summer circuit	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air	Exhaust air / supply air
Filter monitoring	with time control	with time control	with time control	with time control	with time control	with time control	with time control	with time control	with time control	with time control	with time control	with time control
Humidity control	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated
CO₂ regulation	SKD	SKD	SKD	SKD	SKD	SKD	SKD	SKD	SKD	SKD	SKD	SKD
Air quality control (optional)	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3	EAQ 10/3
KNX connection (optional)	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM	K-SM
MODBUS interface	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated
Control unit included in scope of delivery.	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App	RLS 1 WR, App
Control unit (optional)	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS	RLS T2 WS, RLS G1 WS
EnOcean wireless integration (optional)	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM	E-SM
Mobile control	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Housing emission sound pressure level	42 dB(A) / 45 dB(A) / 47 dB(A) / Spacing 1m, sound absorption 10 m²	42 dB(A) / 45 dB(A) / 47 dB(A) / Spacing 1m, sound absorption 10 m²	42 dB(A) / 45 dB(A) / 47 dB(A) / Spacing 1m, sound absorption 10 m²	42 dB(A) / 45 dB(A) / 47 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²	32 dB(A) / 34 dB(A) / 35 dB(A) / Spacing 1m, sound absorption 10 m²
Packing unit	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece	1 piece
Range	K	K	K	K	K	K	K	K	K	K	K	K
GTIN (EAN)	4012799952763	4012799952770	4012799952787	4012799952794	4012799952800	4012799952817	4012799952824	4012799952831	4012799950875	4012799951148	4012799950882	4012799951155
Humidity recovery with enthalpy heat exchanger in accordance with DIN EN 13141-7 (A2)	not specified	66 %	not specified	66 %	not specified	66 %	not specified	66 %	not specified	66 %	not specified	66 %
Power of preheating register	not specified	not specified	not specified	not specified	0,74 kW	0,74 kW	0,74 kW	0,74 kW	0,74 kW	0,74 kW	0,74 kW	0,74 kW

* Blue markings show the differences between the products.