Dual-coil water heaters SUNSYSTEM SОN D

Floor standing. For indirect heating; Suitable for solar and space-heating systems

Features

Energy Efficiency

Aesthetic PVC jacket

Easy installation

Convenient inspection opening

Optional kit for electric heating

High efficiency insulation and outer casing of PVC with RAL 9006 color.
Multi-position mounting of temperature sensor.
Complex corrosion protection realized by means of titanium enamel and anode protection.
External thread for following inlets/outlets: cold water, hot water, coils, recirculation.
Easy installation.
Convenient inspection opening.
Two heat exchangers enables the tank to utilize an external sources of renewable energy, such as a solar system and a biomass boiler.
Optional kit for electric heating with nominal power 3kW, 4.5kW, 6kW or 7.5kW.

		SON – D 200	SON – D 300	SON – D 400	SON – D 500
Capacity	L	200	300	400	500
Height	mm	1232	1697	1660	1789
Diameter	D, mm	Ø 600	Ø 600	Ø 700	Ø 750
Insulation		50 mm rigid PU
Working pressure/ Maximum temperature water tank	bar/0C	8/95	8/95	8/95	8/95
Test pressure	bar	13	13	13	13
Electric heating element (optional)	кW	1 x (3)	1 x (4.5)	1 x (6)	1 x (6)
Weight	kg	85	114	166	215
Cold water inlet	A, mm, Rp1”	110	110	127	128
Hot water outlet	B, mm, Rp1”	1232	1697	1660	1783
Recirculation	R, mm, Rp3/4”	780	1045	1065	1125
Operating pressure/ Maximum temperature coil S1/S2	bar/0C	16/160	16/160	16/160	16/160
Test pressure coil S1/S2	bar	25	25	25	25
Coil capacity S1/S2	L	5,7 / 3,8	7,5/5,0	9,4/6,3	11,3/7,5
Heat exchange surface coil S1/S2	m2	0,9/0,6	1,2/0,8	1,5/1,0	1,8/1,2
Inlet/Outlet Lower coil S1	S1i/ S1o, mm,Rp3/4”	630/180	580/180	635/205	685/205
Inlet/Outlet Upper coil S2	S2i/ S2o, mm,Rp3/4”	950/780	1215/945	1261/965	1325/1020
Prolonged power acc. to DIN 4708; 10°C/80°C/45°C, S1/S2	kW (m3/h)	710/ 410	970/ 605	1180/ 720	1400/ 830
NL- power coefficient at 60°C, S1/S2	NL 60°C	3,6/1,23	8/1,8	11/2,1	14/2,5
Pressure drop Δp, S1/S2	Δp, mbar	70	90	120	250
Inspection opening / flange	O,Ø, mm	Ø110/272	Ø110/272	Ø110/278	Ø110/285
Sleeve for Electric element on water tank body	U,mm, Rp11/2”	705	770	770	920
Draining	Y, mm, Rp1”	20	20	20	20
Anode	P,mm,Rp11/4”	1232	1697	1660	1783
Additional sensor sleeve	Z1/Z2, mm, Rp11/2”	330 / 930	380 / 1145	420 / 1165	445 / 1225
Thermometer	T, mm, M8	919	1384	1325	1441