Warmhaus - Viwa S

Viwa S Steel Heat Exchanger Boiler

Size
800 x 612 x 495 / 530 / 605 / 680 mm.

Heat Exchanger
Stainless Steel DUO Heat Exchanger

Capacity
Steel heat exchangers with different capacity options up to 90 kW, 100 kW, 125 kW, and 150 kW.

Cascade Installation
Cascade installation feature for up to 14 devices without the need for an intermediary card.

Control Panel
User-Friendly LCD Display Control Panel

Sound Level
53-55 dB

Design
100% Domestic Design

Efficiency
The efficiency that can reach up to 107%*

Our Viwa S devices offer a long-lasting product experience with a steel heat exchanger, along with the ability to cascade without the need for internal valves and an intermediary card, providing you with a cost-effective installation option.

Powerful, Efficient, and Long-Lasting Stainless Steel DUO Heat Exchanger
Master Control System on All Devices
Blue Jet Burner Heat Exchanger Technology Ensuring Perfect Combustion
Hermetic and Integrated with Standard Chimneys for Easy Use (Compatible with Type B and C Chimneys)
High Efficiency and Long-Lasting with Aging System
Suitable for Use in High-Rise Buildings (Up to 6 bar)
Easy, Fast, and Cost-Effective Cascade Installation for Up to 14 Boilers with Smart Socket-Plug System
2 Year Warranty
Internal Flap System Eliminating the Need for Dampers in Cascade System Chimney Installation
Cost-effective chimney connection in attic boiler rooms with Ø100/150 mm chimney kit and accessories
Integrated with both hermetic and standard chimneys, easy to use (compatible with Type B and C chimneys)
Low Fuel Consumption with Cold Burner Door Technology for High Efficiency
* According to the new efficiency system, it corresponds to 98% efficiency.

Product Compare

Product Information Form

TECHNICAL DATA		VİWA S 90		VİWA S 100		VİWA S 115		VİWA S 125		VİWA S 150
Gas Line	UNIT	NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG
Gaz Type		G20	G30	G20	G30	G20	G30	G20	G30	G20	G30
Gas Supply Pressure	mbar	20	37	20	37	20	37	20	37	20	37
Maximum Gas Consumption (NG/LPG)	mᶟ/h	8,86	3,32	10,36	4,07	11,5	4,25	12,54	4,82	14,5	5,55
Minimum Gas Consumption (NG/LPG)	mᶟ/h	1,39	0,49	1,73	0,69	1,9	0,53	2,19	0,87	2,56	0,85
Premix System		Pneumatic
Modulation Range		1:6
Heat Exchanger Material		Stainless Steel Exchanger
Efficiency		G20	G30	G20	G30	G20	G30	G20	G30	G20	G30
(80/60 °C) Efficiency at Maximum Heat Output	%	97,8	97,6	98,1	97,6	97,88	97,92	97,2	97,7	96,1	95,3
(50/30 °C) Efficiency at Maximum Heat Output	%	107,1	107,0	106,0	105,2	104,75	105,20	107,1	106,2	105,1	104,6
Seasonal Heating Energy Efficiency	%	Class A
Radiator Circuit		G20	G30	G20	G30	G20	G30	G20	G30	G20	G30
Rated Heat Load (Qn) (Max./Min.)	kW	84 / 14		96 / 16		115 / 20		120 / 20		145 / 26
Maximum Heat Power (Pn) (80/60 °C)	kW	82,1	82,0	94,2	93,7	112,5	112,61	116,7	117,2	136,5	135,8
Minimum Heat Power (Pn) (80/60 °C)	kW	13,5	13,7	15,6	15,6	18,62	19,6	19,4	19,5	24,8	24,6
Maximum Heat Power (Pn) (50/30 °C)	kW	90,0	89,8	101,8	101,0	120,46	120,98	128,6	127,5	148,3	146,7
Minimum Heat Power (Pn) (50/30 °C)	kW	15,0	15,5	17,0	17,7	20	21,04	21,5	22,1	26,8	26,2
Temperature Setting Range for High Temperature Circuit (Minimum / Maximum)	°C	25 - 80
Temperature Setting Range for Low Temperature Circuit (Minimum / Maximum)	°C	25 - 47
Operating Pressure (Maximum)	bar	6
Operating Pressure (Minimum)	bar	0,8
Domestic Hot Water Circuit
Temperature Setting Range (min/max)	°C	20 - 65
Electric Circuit
Power Feed	V AC-50 Hz	230 V + %10; -%15
Electricity Consumption (Max./Min.)	Watt	96 / 22		122 / 25		145 / 20		159 / 22		310 / 33
Protection Index	IP	IPX5D
		NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG	NATURAL GAS	LPG
Exhaust Gas Circuit		G20	G30	G20	G30	G20	G30	G20	G30	G20	G30
Exhaust Gas Temperature (Max. / Min.) (80/60 °C)	°C	80.3 / 65.5	81.8 / 67.2	76.5 / 66.5	82.6 / 67.9	74.5/62,4	80.9/68.7	75.7 / 62.8	82.8 / 68.0	76.7 / 65.5	76.2 / 64.5
Exhaust Gas Temperature (Max. / Min.)	°C	63 / 33.6	65.2 / 36.1	62.3 / 35.4	67.2 / 38.4	60.8/35	65.3/40.2	59.3 / 33.0	67.4 / 38.7	58.5 / 34.5	57 / 33.8
CO (Max. / Min.) (80/60 °C)	ppm	146.1 / 10.3	217 / 12.2	134.2 / 9.9	256.0 / 9.11	48.4/12.6	85.6/53.2	217.0 / 10.6	258.6 / 11.46	281.0 / 11.51	265.0 /14.2
CO2 (Max. / Min.) (80/60 °C)	%	9.1 / 8.6	10.4 / 9.8	9.5 / 9.1	10.6 / 10.2	9.3/8.6	10.3/10.1	9.5 / 9.1	10.5 / 10.3	9.75 / 9.33	10.45 / 10.23
NOx	Sınıf	6
NOx Weight (GCV)	mg/kWh	24.75 / 13.1		23.8 / 11.6		20.8/10.2		24.4 / 11.7		35.26 / 12.26
Exhaust Gas Mass Flow (60/80°C-Qn) Nominal/Min	g/s	38.9 / 6.5	40.2 / 6.8	45.3 / 7.2	48.3 / 7.5	50.3/7.5	54.7/8.2	53.2 / 8.2	56.8 / 8.6	53.5 / 11.5	538 / 10.7
General
Dimensions (Height x Weight X Depth)	mm	800 X 612 X 495		800 X 612 X 530		800 X 612 X 605				800 X 612 X 680
Sound Level	dB(A)	53		53		53				55
Net Weight	kg	50		60		72				85
Packaged Weight	kg	65		75		90				103
Flue Connection Types		B23 , B23P , C13 , C33 , C43 , C53 , C63 , C83 , C93
Category		I2H/I2E/I3P/I2B3P (G20=20 mbar, G30=37 mbar)
All information given in the brochure has been obtained as a result of the conducted tests. Data are subject to change without prior notice.