2 Technical Specifications
Technical
Specifications
4
2.1 Technical Data - DuoWave Direct & Indirect Solar Cylinders
DuoWave Direct & Indirect Cylinders
Cylinder model 170 200 250 300 400 500*
Storage capacity (litres) 170 200 250 300 400 500
Overall diameter (mm) 580 580 580 580 580 660
Overall height (mm) 1075 1230 1480 1745 2110 1835
Weight empty (kg) - direct models 37 41 47 53 65 N/A
Weight full (kg) - direct models 207 241 297 353 465 N/A
Weight empty (kg) - indirect models 49 53 63 72 92 108
Weight full (kg) - indirect models 219 253 313 372 492 608
Secondary return connection (mm) 22 22 22 22 22 22
Cold feed/hot draw-off connections (mm) 22 22 22 22 22 22
Top/bottom coil connections (mm) 22 22 22 22 22 22
Top coil length (m) - indirect models only 5.70 5.70 5.70 5.70 6.81 8.01
Top coil surface area (m
2
) - indirect models only 0.52 0.52 0.52 0.52 0.73 1.14
Bottom (solar) coil length (m) 5.70 6.81 8.01 / 6.95* 8.01 11.68 13.90
Bottom (solar) coil surface area (m
2
) 0.52 0.73 1.14 / 1.04* 1.14 1.56 2.00
Top/bottom coil pipe diameter (mm) 22 22 22 22 22 22
Dedicated solar volume Vs (litres) - direct models 85 100 125 150 200 250
Dedicated solar volume Vs (litres) - indirect models 85 100 125 150 200 250
Maximum water supply pressure (bar) 12 12 12 12 12 12
System operating pressure - pre-set (bar) 3 3 3 3 3 3
Expansion vessel charge pressure (bar) 3 3 3 3 3 3
Expansion relief valve pressure (bar) 6 6 6 6 6 6
Temp & pressure relief valve lift pressure (bar) 7 7 7 7 7 7
Temp & pressure relief valve lift temperature (°C) 90 90 90 90 90 90
Maximum primary circuit working pressure (bar) 3 3 3 3 3 3
Performance:
Top coil rating (kW) 8.50 8.50 8.50 8.50 10.00 16.00
Top coil recovery rate (mins)** 18 20 25 26 25 27
Bottom (solar) coil rating (kW) 8.5 10.0 16.0 / 13.9* 16.0 24.0 27.0
24hr standing loss (kW) - direct and indirect models*** 2.04 2.45 2.69 2.71 2.94 3.15
Check list:
Cylinder assembly 170 litre 1 -----
Cylinder assembly 200 litre - 1 ----
Cylinder assembly 250 litre - - 1 - - -
Cylinder assembly 300 litre - - - 1 - -
Cylinder assembly 400 litre ----1-
Cylinder assembly 500 litre -----1
Expansion vessel 19 litre 11----
Expansion vessel 24 lite - - 1 1 - -
Expansion vessel 35 Litre - - - - 1 -
Expansion vessel 50 Litre -----1
Expansion vessel hose (
3
/4" BSPF x
3
/4" BSPM) c/w washer 1 1 1 1 1 -
Expansion vessel wall bracket and band 11111-
Adaptor (1" BSPF x
3
/4" BSPM) - - - - 1 -
Temp & pressure relief valve (7 bar 90ºC) factory-fitted 1 1 1 1 1 1
Tundish 15/22mm 1 1 1 1 1 1
Drain cock (
1
/2" end feed) 1 1 1 1 1 -
Inlet manifold (3 bar pressure reducing valve & 6 bar exp. relief valve) 111111
2-port motorised valve 22mm 1 1 1 1 1 1
Dual thermostat (Control 25-65ºC High limit 90ºC) - direct 111111
Dual thermostat (Control 25-65ºC High limit 90ºC) - indirect 2 2 2 2 2 2
Immersion heater 3 kW (1
3
/4" boss) factory-fitted - direct 2 2 2 2 2 2
Immersion heater 3 kW (1
3
/4" boss) factory-fitted - indirect 1 1 1 1 1 1
* DuoWave Indirect only. ** Recovery rate is based on 82˚C flow @ 0.2l/s over a 50˚C temp rise for 75% of contents.
***
Test carried out at 60˚C.