Warmhaus EWA 20 Kw Premix Yoğuşmalı Kombi

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Category

Premix Condensing Combi Boiler

Brand

warmhouse

Stock Code

8699104812713

536,99 USD

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Ewa Condensing Combi Boiler

Dimension
725 x 420 x 288mm.

Capacity
20kW and 24kW

User Panel
Button Control Panel

Sound Level
52dB

Savings Rate
High Savings with 1/7 Modulation

Productivity
High efficiency up to 97.5%

In addition to their compact and beautiful appearance, Ewa combi boilers provide both economical and safe combustion thanks to their "Smart Gas" technology.

Premix Stainless steel heat exchanger with high efficiency and long life
Continuous hot water with pre-heat
3 year warranty
Specially designed Metal Front Surface
Compliant with EU ErP Regulation
Hot Water Comfort in Double Tap
Lowest NOx value in exhaust gas (in Class 6)
Quiet Operation and Low Heat Loss with Insulated Body
DG and LPG Compatible combi boiler (no need to change parts for LPG)
Erp Compatible Frequency Controlled Pump

TECHNICAL DATA	UNIT	Ewa 20				Ewa 24
Gas Circuit		DG	DG	LPG	LPG	DG	DG	LPG	LPG
Gas Type		G20	G25	G30	G31	G20	G25	G30	G31
Gas Supply Pressure		20	25	30	37	20	25	30	37
Maximum Gas Consumption	m³/h	2.12	2.58	0.708	0.81	2.38	2.85	0.73	0.92
Minimum Gas Consumption	m³/h	0.36	0.42	0.13	0.14	0.37	0.43	0.11	0.11
Seasonal Space Heating Energy Class		A
Seasonal Space Heating Energy Efficiency (ηs)	%	91.2	91.2	90.5	90.5	92	92	92	92
Useful Efficiency at Nominal Heat Power and High Temperature Regime(2) (η4)	%	87.6	87.6	88.3	88.3	87.6	87.6	87.6	87.6
Useful Efficiency (1) (η1) at 30% of Nominal Heat Power and Low Temperature Regime (Partial Load)	%	96.4	96.4	95.5	95.5	97.5	97.5	97.5	97.5
Heating Circuit		G20	G25	G30	G31	G20	G25	G30	G31
Maximum Heat Load Qn	kW	20	20	20	20	24.25	24.25	24.25	24.25
Minimum Heat Load Qn	kW	3.5	3.5	3.5	3.5	3.5	3.5	3.5	2.8
Maximum Heat Power Pn (50/30 °C)	kW	21.1	21.1	20.7	20.7	25	25	24.7	25
Minimum Heat Power Pn (50/30 °C)	kW	3.7	3.7	3.6	3.6	3.6	3.6	3.55	2.9
Maximum Heat Power (P4) (80/60 °C)	kW	19.4	19.4	19.4	19.4	23.7	23.7	23.6	23.7
Minimum Heat Power (P4) (80/60 °C)	kW	3.4	3.4	3.3	3.3	3.0	3.0	3.2	2.5
Temperature Setting Range (Minimum/Maximum) High/Low	°C	25 ÷ 80/25 ÷ 47
Working Pressure (Maximum/Minimum)	bar	3/0.5
Expansion Tank Volume	bar	7/8
Pump Pressure (at constant flow)	mSS	6.2 (700 l/h)
Maximum Pump Pressure (Q = 0 m³/h)	mH2O	6.2
Maximum Pump Flow	m³/h	2.3
Pump Energy Efficiency Index	EEI	£0.20
Hot Water Energy Efficiency Class/Declared Load Profile		A/XL				A/L		A/XL
Water Heating Energy Efficiency	%	85				81		84
Maximum Gas Consumption	m³/h	2.47	2.83	0.73	0.94
Hot Water Modulation Rate	%	15/100				14/100
Hot Water Circuit (Maximum) Heat Load	kW	23.7	23.7	23.7	23.2	25.8
Hot Water Circuit (Minimum) Heat Load	kW	3.5	3.5	3.5	3.5	3.5
Hot Water Flow Rate Minimum/Maximum (Δt: 30 °C/Δt: 35 °C)	l/min	1.5/(11/10)				1.5/(12/11)
Domestic Water Pressure (Minimum/Maximum)	bar	0.5/10
Temperature Setting Range (Min - Max)	°C	35 - 60
Electrical Circuit Protection Index	ROPE	IPX5D
Electricity Consumption (Min./Max.) [Supply: 230 V +%10; -%15]	Watt	57/86				55/95
Waste Gas Circuit		G20	G25	G30	G31	G20	G25	G30	G31
(80/60 °C) Exhaust Gas Temperature (Minimum/Maximum)	°C	55/78	55/78	54/77.8	54/78	69/71	65/70	57/70	60/70
(50/30 °C) Exhaust Gas Temperature (Minimum/Maximum)	°C	37/57	37/57	41/55	41/55	49/51	48/49	43/57	47/51
Maximum Flue Gas Temperature [Maximum Hot Water Mode]	°C	78				70
NOx Weight (NOx Class: 6)	mg/kWh	33	33	38	38	20	19	42	31
General/Dimensions (H x W x D) mm		725x420x288
Sound Level	dB(A)	52
Maximum Chimney Distance (Horizontal)/(Vertical)	m	10/11
Net/Packaged Device Weight	kg	30/31.8				32.6/33.8
Chimney Connection Types		B23, B23P, B33, B33P, B53, B53P, C13, C33, C43, C53, C63, C83, C93, C(10)3
(1) For condensing combination heaters; Low temperature means 30 °C, for low temperature boilers 37 °C and for other heaters 50 °C return temperature (at the heater inlet). (2) High temperature regime means a return water temperature of 60 °C at the heater inlet and an outlet water temperature of 80 °C. * In the maximum chimney distance, the chimney length must be reduced by 1 metre for every 90° bend and 0.5 metre for every 45° bend.