Enameled water heaters SUNSYSTEM BB NL PRL

High efficiency water heater for domestic hot water. Easy to use and reliable. Wall-hung, for bathroom installation.

For direct electric heating and indirect heating with added two parallel heat exchanger coils. This water heater may employ both electricity and a renewable energy source (solar collectors and biomass boiler).

FEATURES

Energy Efficiency

Aesthetic steel case

On and off button

Temperature indicator

Two-stage thermal protection

ENERGY EFFICIENCY

Directive 2010/30 /EU, Regulation 812/2013:
Class C for capacity from 150 to 200 liters;

Diameter:

520 mm

VOLUMES:

150, 200 liters.

FEATURES:

High efficiency insulation (DIN 4753-8): rigid PU, thickness 20 mm. External metal casing in white RAL 9003.
Water tank of low-carbon steel S235JR. Complex corrosion protection realized by means of titanium enamel (DIN 4753-3) and
and two magnesium anodes (DIN 4753-6).
Thermometer.
Convenient inspection opening on the bottom of water tank.
Control panel: external thermostat control, light indicator.
Electric heating element: 2kW, 3kW.
Complex corrosion protection realized by means of titanium enamel and anode protection.
All threads are external. Available models with Left-side inlets/outlets or right-side inlets/outlets for convenient connection.
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.

TECHNICAL CHARACTERISTICS

		BB NL PRL 150	BB NL PRL 200
Capacity	L	150	200
Height	Н, mm	1085	1370
Diameter	D, mm	Ø 520	Ø 520
Insulation	mm	rigid PPU, thickness 32 mm.
Oper. pressure / max. temperature	bar/0C	8/95	8/95
Test pressure of tank	bar	13	13
Electric heating element (optional)	kW	2/3	2/3
Weight	kg	77	89
Cold water inlet	A, mm	Rp 1/2”	Rp 3/4” 170
Hot water outlet	B, mm	Rp 1/2”	Rp 3/4” 1120
Oper. pressure / max. Coil temp.S1	bar/0C	16/110	16/110
Test pressure S1	bar	25	25
Capacity of coil S1/S2	L	3.6/2.3	3.6/2.3
Heat exchange surface of coil S1/S2	m2	0.7/0.44	0.7/0.44
Coil inlet	S1i, mm, Rp3/4”	810	910
Coil outlet	S1o, mm, Rp3/4”	150	250
Coil inlet	S2i, mm, Rp3/4”	410	810
Coil outlet	S2o, mm, Rp3/4”	260	360
Recirculation	R, mm, Rp3/4”	–	660
Prolonged power acc. to DIN 4708; 80°C/60°C/45°C, S1/S2	kW (m3/h)	15(0.37)/82(0.2)	15(0.37)/82(0.2)
NL – power coefficient at 60°C, S1/S2	NL 60°C	1.5/1.1	1.5/1.1
Pressure drop Δp, S1/S2	Δp, mbar	65/50	65/50
Inspection opening/Flange	O, O1, Ø, mm	132/90	132/90
Anode	P1, P2	P/P	P/P
Thermostat	T	P	P
Wall prop/ Distance between both stands	X1, mm	630	900