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OSO 50-series - models
The buffer vessel reduces heat pump cycling, thus improving both
the efficiency and the lifespan. Models with electric reheater ele-
ments can also be used as a separate heat source, for instance in
combination with the OSO FIX MX control centre. All 50-series are
designed for up to 10 bar water pressure.
50R - buffer vessel without electric reheater
Suited for heat accumulation from heat pump.
100 l.: 4x1" flow/return connections (top/bottom).
300 l.: 4x5/4" flow/return connections (top/bottom).
A ø22 mm breathing end piece on top in addition to a ø15mm
drain near the bottom. A 1/2" sensor pocket is fitted near the
top. Safety valve 3 bar factory fitted.
Supplied as 100 and 300 litres units. Technical data, see table
below.
50RE - buffer vessel with electric reheater
Suited for heat accumulation from heat pump with electric re-
heating. Connections are the same as 50R (above).
Safety valve 3 bar factory fitted.
Supplied as 50, 100 and 300 litres units. Technical data, see table
below.
50RC and RCE - buffer vessel with built-in coil and electric reheater
Suited for heat accumulation from heat pump. Built-in stainless
steel coil, electric reheater elements (RCE only) factory fitted.
Connections are the same as 50R (above). Safety valve 3 bar fac-
tory fitted. Supplied as 100 and 300 litres units (RC only 300).
Technical data, see table below.
Insulation
All units are insulated by 40 mm mineral wool covered by a
white, epoxy coated steel outer jacket.
Electric element banks
50RE and 50RCE are equipped with an electric reheater element
bank near the top of the vessel. the 50 and 100 litres units is
fitted with a 9 kW (3x3) element bank, while the 300 litres unit
is fitted with a 15 kW (3x5) element bank. More info regarding
element banks on page 6.
10 year warranty
The stainless steel pressure vessel has a 10 year warranty, remai-
ning parts 2 years. The product is 100% recyclable.
Spare parts
Prod. name
RGK 1" - 3 kW
RG 1" - 5 kW
TSL 30-60°C
SV 3 bar
Technical data
Prod. name - vol. - kW
50R 100
50R 300
50RE 50 - 9 kW (3x3)
50RE 100 - 9 kW (3x3)
50RE 300 - 15 kW (3x5)
50RC 300 - coil 2,6m²
50RCE 100 - 9kW+coil 0,7m²
50RCE 300 - 15kW+coil 2,6m²
Type
Electric element, short
Electric element, standard
Thermostat, preset 45°C
Safety valve
Suited for
Diam. x H mm flow/ret.
Storage for hp
ø430 x 1210H
Storage for hp
ø580 x 1650H
Heat storage w/el.
ø430 x 680H
Heat storage w/el.
ø430 x 1210H
Heat storage w/el.
ø580 x 1650H
Heat storage w/coil
ø580 x 1650H
Heat storage w/coil+el ø430 x 1210H
Heat storage w/coil+el ø580 x 1650H
Forandringer forbeholdes / Subject to changes without notice
50RE 50
50RC 300
Description
For RE 50 and 100, RCE 100
For RE 300 and RCE 300
For all units
For all units
Conn.
Conn.
Conn. Sensor
drain
coil
pocket
4x1"
ø15 mm
4x5/4"
ø15 mm
4x1"
ø15 mm
4x1"
ø15 mm
4x5/4"
ø15 mm
4x5/4"
ø15 mm
3/4"
4x1"
ø15 mm
3/4"
4x5/4"
ø15 mm
3/4"
50R 100/300
50RCE 100/300
Top
conn. Volume Weight M³
1/2"
ø22 mm
100 l.
20 kg
1/2"
ø22 mm
287 l.
53 kg
1/2"
ø22 mm
50 l.
17 kg
1/2"
ø22 mm
100 l.
22 kg
1/2"
ø22 mm
287 l.
63 kg
1/2"
ø22 mm
287 l.
70 kg
1/2"
ø22 mm
100 l.
27 kg
1/2"
ø22 mm
287 l.
72 kg
50RE 100/300
Part no.
801 5042
801 5012
801 5892
840 5007
Prod. no.
0,24
801.1205
0,58
801.1203
0,16
801.1199
0,24
801.1201
0,58
801.1281
0,58
801.1182
0,24
801.1311
0,58
801.1312
5
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