OSO DUALSTREAM SERIES
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Illustration: OSO Dualstream - technical drawing
Illustration: OSO Dualstream diagram
 Illustration: OSO Dualstream - accumulator diagram |
 Illustration: OSO Dualstream cylinder |
Cylinder material
F18 MT stainless steel
Coil material
316 stainless steel 22mm Ψ
Construction
Convex ends fusion welded seams
Pressure testing
Factory tested to 16 bar
Insulation
Oso eco foam 40 50mm
Outer casing
Epoxy powder painted steel White
Packing
Sturdy cardboard box
Cold feed connection 120 200 litres
Elbow supplied Ύmale to 22mm compression. Incorporates drain valve.
Cold feed connection 250 380 litres
Elbow supplied 1male to 22mm compression. Incorporates drain valve.
Balanced cold water connection
Multibloc compression
Hot water draw off connection 120 200 litres
Ύ female thread connection
Hot water draw off connection 250 380 litres
1 female thread connection
Primary flow and return
Ύ BSP female
Secondary return
½ BSP female use T-piece (not supplied)
Expansion relief hose
Stainless steel flexible hose
Tundish
Inlet 15mm, Outlet 22mm
Expansion relief valve
RWC 8 bar
Temperature & Pressure relief valve
RWC 90°C 10bar
Cold water inlet valve 120 200 litres
RWC 2.1 bar
Cold water inlet valve 250 380 litres
RWC 3.5 bar
Domestic water expansion
Using supplied accumulator
Immersion heater
3kw incoloy 825
Hi-limit thermostat
Surface mounted 85°C ±3°C
Cylinder thermostat
Surface mounted adjustable 40 70°C
Motorised valve (indirect only)
Honeywell V4043
Cylinder thermostat setting
60°C
Maximum primary pressure
8 bar
Maximum cylinder working pressure
8 bar
Maximum cylinder supply pressure
12 bar
Minimum water supply
0.5 bar static pressure
Secondary pressure drop
Negligible
Heating system
Open vented or sealed system primaries
Compatible boilers
Thermostatically controlled boilers
Electrical installation
To comply with current IEEE regs
Approval (building regulations)
BBA Certificate 94/3022
Approval (water regulations)
WRAS Certificate 0509068
Table 2: Dimension, Performance and Environmental information
Product code
ODD120
ODD150
ODD200
ODD250
ODD300
ODD380
ODI120
ODI150
ODI200
0DI250
ODI300
ODI380
Height (mm)
720
900
1150
1400
1600
2090
720
900
1150
1400
1600
2090
Diameter (mm)
580
580
580
580
580
580
580
580
580
580
580
580
Height point 1 (mm)
480
480
780
780
780
780
Height point 2 (mm)
225
225
225
225
225
225
Height point 5 (mm)
465
610
787
982
1222
1697
465
610
787
982
1222
1697
Height point 12 (mm)
345
435
560
755
995
1470
345
435
560
755
995
1470
Height point 13 (mm)
110
110
110
110
110
110
110
110
110
110
110
110
Weight empty (kg)
34
40
48
60
64
82
36
42
52
64
68
86
Weight full (kg)
150
193
258
315
364
462
152
195
262
319
368
466
Actual capacity (litres)
116
153
210
255
300
380
113
150
205
250
295
375
Coil output (kw)
12
12
26
26
26
26
Heat up (2 elements) (minutes)
105
147
191
Upper element heat up (minutes)
36
64
68
72
77
Lower element heat up (minutes)
101
140
192
241
98
130
186
235
Recovery (lower element) (minutes)
71
98
134
169
69
91
130
165
Heat up (coil) (minutes)
28
40
30
36
43
Recovery (coil) (minutes)
22
28
23
27
33
Usable hot water draw off at 42°C (ltr)
162
221
312
397
475
Standing heat losses (kWh/24h)
1.32
1.55
1.77
1.95
2.19
2.55
1.32
1.55
1.77
1.95
2.19
2.55
Ozone Depletion potential (ODP)
0
0
0
0
0
0
0
0
0
0
0
0
Global Warming Potential (GWP)
1
1
1
1
1
1
1
1
1
1
1
1
Table 3: Accumulator Information
Nominal Accumulator Capacity/litres
Diameter/mm
Height/mm
Weight full/kg
Connection size
80
400
890
86
1"
200
535
995
150
1"
240
540
1220
205
1"
300
540
1560
255
1"
500
665
1550
385
1"