WS 320

Centralised ventilation unit with heat recovery in 14 variants, up to 320 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 320 B	WS 320 BR	WS 320 K	WS 320 KR	WS 320 KB	WS 320 KBR	WS 320 ET	WS 320 RET	WS 320 BET	WS 320 BRET	WS 320 KET	WS 320 KRET	WS 320 KBET	WS 320 KBRET
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Article

WS 320 B

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including bypass and cross-counterflow heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 BR

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including bypass and cross-counterflow heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 K

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including preheating register and cross-counterflow heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KR

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including preheating register and cross-counterflow heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KB

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including preheating register, bypass and cross-counterflow heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KBR

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation, including preheating register, bypass and cross-counterflow heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 ET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation and enthalpy heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 RET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation and enthalpy heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 BET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including bypass and enthalpy heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 BRET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including bypass and enthalpy heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including preheating register and enthalpy heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KRET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including preheating register and enthalpy heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KBET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including preheating register, bypass and enthalpy heat exchanger, supply and exhaust air on left, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

WS 320 KBRET

Centralised, highly-efficient ventilation units with EC fans, constant volumetric flow regulation including preheating register, bypass and enthalpy heat exchanger, supply and exhaust air on right, air volume 80 - 320 m³/h, connection diameter 4 x DN 160, 4 SVR 160 plug connectors needed to connect folded spiral-seams ducts, including RLS 1 WR control panel, including integrated web server and MAICO APP for mobile unit control, web tool, DIBT approval, passive house certificate, KNX, Modbus, Loxone and EnOcean connection possible

Article	WS 320 B	WS 320 BR	WS 320 K	WS 320 KR	WS 320 KB	WS 320 KBR	WS 320 ET	WS 320 RET	WS 320 BET	WS 320 BRET	WS 320 KET	WS 320 KRET	WS 320 KBET	WS 320 KBRET
	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 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	Centralised ventilation unit	Centralised ventilation unit
Article number:	0095.0221	0095.0262	0095.0222	0095.0263	0095.0223	0095.0264	0095.0224	0095.0265	0095.0225	0095.0266	0095.0226	0095.0267	0095.0227	0095.0268
Air flow volume	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h	80 m³/h - 320 m³/h
SEC average	-42,5 kWh/(m²*a)	-42,5 kWh/(m²*a)	-42,5 kWh/(m²*a)	-42,5 kWh/(m²*a)	-42,5 kWh/(m²*a)	-42,5 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)	-40 kWh/(m²*a)
Energy efficiency class	A+	A+	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	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	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	50 Hz/60 Hz	50 Hz/60 Hz
Power consumption in accordance with DIN EN 13141-7 (A7)	37 W	37 W	37 W	37 W	37 W	37 W	36 W	36 W	36 W	36 W	36 W	36 W	36 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	< 1 W	< 1 W
I_max	1,5 A	1,5 A	11 A	11 A	11 A	11 A	1,5 A	1,5 A	1,5 A	1,5 A	11 A	11 A	11 A	11 A
Degree of protection	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40	IP 40
DIBT approval	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
PHI certification	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
SPI value	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³	0,18 Wh/m³
Installation site	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall	floor / wall
System type	Centralised	Centralised	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	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	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	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)	Traffic white (RAL 9016)	Traffic white (RAL 9016)
Weight	67 kg	67 kg	67 kg	67 kg	67 kg	67 kg	69,61 kg	69,61 kg	69,61 kg	69,61 kg	69,61 kg	69,61 kg	69,61 kg	69,61 kg
Weight including packaging	79,19 kg	79,29 kg	79,19 kg	79,19 kg	79,19 kg	79,19 kg	81,8 kg	81,8 kg	81,8 kg	81,8 kg	81,8 kg	81,8 kg	81,8 kg	81,8 kg
Filter class	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)	ISO Coarse 85 % (G4) / ISO ePM1 80 % (F7)
Connection diameter	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm	160 mm
Connection diameter of condensation drain	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)	1 1/2" (screen valve)
Width	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm	841 mm
Height	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm	857 mm
Depth	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm	598 mm
Width with packaging	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm	900 mm
Height with packaging	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm	1.120 mm
Depth with packaging	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm	650 mm
Airstream temperature at I_Max	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C	-20 °C up to 40 °C
Max. degree of heat provision in accordance with DIN EN 13141-7 (A7)	96 %	96 %	96 %	96 %	96 %	96 %	93 %	93 %	93 %	93 %	93 %	93 %	93 %	93 %
Heat exchanger construction type	Cross-counterflow	Cross-counterflow	Cross-counterflow	Cross-counterflow	Cross-counterflow	Cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow	Enthalpy cross-counterflow
Position – exhaust air	left	right	left	right	left	right	left	right	left	right	left	right	left	right
Bypass	yes	yes	No	No	yes	yes	No	No	yes	yes	No	No	yes	yes
Frost protection	No	No	integrated	integrated	integrated	integrated	No	No	No	No	integrated	integrated	integrated	integrated
Enthalpy heat exchanger	No	No	No	No	No	No	yes	yes	yes	yes	yes	yes	yes	yes
Antifreeze circuit	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Summer circuit	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO supply air	ECO exhaust air / ECO 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	with time control	with time control
Humidity control	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated	integrated
CO₂ regulation (optional)	SKD	SKD	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	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	K-SM	K-SM
MODBUS interface	integrated	integrated	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	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	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	E-SM	E-SM
Mobile control	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes	yes
Housing emission sound pressure level	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 dB(A) / Spacing 1m, sound absorption 10 m²	36 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	1 piece	1 piece
Range	K	K	K	K	K	K	K	K	K	K	K	K	K	K
GTIN (EAN)	4012799952213	4012799952626	4012799952220	4012799952633	4012799952237	4012799952640	4012799952244	4012799952657	4012799952251	4012799952664	4012799952268	4012799952671	4012799952275	4012799952688
Power of preheating register	not specified	not specified	1,8 kW	1,8 kW	1,8 kW	1,8 kW	not specified	not specified	not specified	not specified	1,8 kW	1,8 kW	1,8 kW	1,8 kW
Humidity recovery with enthalpy heat exchanger in accordance with DIN EN 13141-7 (A2)	not specified	not specified	not specified	not specified	not specified	not specified	68 %	68 %	68 %	68 %	68 %	68 %	68 %	68 %

* Blue markings show the differences between the products.