OSO Solarcyl
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Illustration: OSO Solarcyl - technical drawing
Table 1: Technical specification
Cylinder material
F18 MT stainless steel
Coil material
316 stainless steel 22mm Ø
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
Elbow supplied – ¾”male to 22mm compression. Incorporates drain valve
Balanced cold water connection
Multibloc 22mm compression
Hot water draw off connection
22mm stainless steel to accept compression fitting (removable dip tube)
Primary flow and return
¾” 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
RWC 2.1 bar
Domestic water expansion, bubble top
Internal air bubble
Domestic water expansion, fully flooded
Separate vessel (not supplied)
Immersion heater
3kw incoloy 825
Solar temperature control
2 x Brass sensor pocket, ½” MI
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
20 litres/min with 1 bar dynamic pressure
Secondary pressure drop
Negligible
Auxiliary Heating system
Open vented or sealed system primaries
Compatible boilers
Thermostatically controlled boilers
Electrical installation
To comply with current IEEE regs
Approval
BBA Certificate 94/3022
Approval (water regulations)
WRAS Certificate 0509068
Table 2: Dimension, Performance and Environmental information
(SD = Solar Direct, TC = Twin Coil, BT = Bubble Top, FF = Fully Flooded)
Product code
RI210
SD BT
SD BT
RI210
SD FF
SD FF
RI250
SD BT
SD BT
RI250
SD FF
SD FF
RI170
TC FF
TC FF
RI210
TC BT
TC BT
RI210
TC FF
TC FF
RI250
TC BT
TC BT
RI250
TC FF
TC FF
RI330
TC BT
TC BT
RI330
TC FF
TC FF
Height (mm)
1400
1400
1600
1600
1150
1400
1400
1600
1600
2090
2090
Diameter (mm)
580
580
580
580
580
580
580
580
580
580
580
Height point 1 (mm)
725
950
950
950
950
1150
1150
Height point 1A (mm)
225
225
225
225
225
225
225
225
225
225
225
Height point 2 (mm)
490
490
490
490
490
490
490
Height point 2A (mm)
545
545
545
545
390
545
545
545
545
545
545
Height point 5 (mm)
1050
1050
1222
1222
895
1050
1050
1222
1222
1697
1697
Height point 12 (mm)
755
755
995
995
560
755
755
995
995
1470
1470
Height point 13 (mm)
110
110
110
110
110
110
110
110
110
110
110
Weight empty (kg)
66
66
70
70
56
99
68
72
72
91
91
Weight full (kg)
250
307
292
359
247
255
312
297
364
391
460
Solar coil Area (m2)
0.92
0.92
0.92
0.92
0.92
0.92
0.92
0.92
0.92
0.92
0.92
Aux coil Area (m2) /element
3kw
3kw
3kw
3kw
0.47
0.47
0.47
0.47
0.47
0.72
0.72
Capacity Vt (ltr)
210
250
250
300
200
210
250
250
300
330
380
Dedicated Solar Volume Vs (ltr)
97
97
97
97
67
97
97
97
97
128
128
Auxiliary Volume Va (ltr)
113
153
153
203
133
113
153
153
203
202
263
Auxiliary Recovery (minutes)
119
160
160
213
33
28
39
39
51
35
44
Standing heat losses (kWh/24h)
1.95
1.95
2.19
2.19
1.77
1.95
1.95
2.19
2.19
2.55
2.55
Ozone Depletion potential (ODP)
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