4
SECTION ONE - PROTANK CYLINDER PAGE
1. Model Specifications and Dimensions
General Specification
Manufactured by
RM Cylinders
Country of origin
UK
Pressure Ratings
TPR Setting
700 kPa
Cold water expansion setting
600 kPa
Maximum supply setting
500 kPa
Factory supply set point
300 kPa
Electrical
Cable / Sheath size
3x1.5mm / 8mm
Terminals
Screw type, 4 mm
Thermostat supplier
Thermowatt
Thermostat model
RTS 3 20A 70/95
Thermostat approval number
EQ739-DAT9900155
Thermostat set point range
30 ºC-70 ºC
Thermostat factory set point
62 ºC
Thermal cutout set point
90 ºC
Thermal cutout reset
Manual
Heating element supplier
Thermowatt
Heating element mount
1&1/4” Female threaded
Heating element sheath material
Incoloy
Heating element resistance
19.2 ohm
Heating element power density
9.6 w/cm²
Shell Construction
Shell type
Single skin
Shell material
2304 Duplex SS
Thickness
1 mm
Circumferential joint
Tig butt weld
Longitudinal joint
Tig butt weld
Case Construction
End material
Polypropylene
End thickness
2 mm
Wall material
Painted Galvanized steel
Wall thickness
0.45 mm
End joint
Press fit
Wall joint
Lock form joint
Thermal Insulation
Insulation specification
EPC/IsoPMDI
Wall thickness
50 mm
Base thickness
10 mm
Top thickness
50 mm
Technical Specification
Capacity
120L 180L 250L 300L 350L 400L
Inlet / Outlet ports
20mm
20mm
20mm
20mm
25mm
25mm
TPR / CWE ports
15mm
15mm
20mm
20mm
20mm
20mm
Solar ports (qty x Ø)
none
none
2x20mm
2x20mm
2x20mm
2x20mm
Dry stat pockets (qty x Ø)
none
none
3x22mm
3x22mm
3x22mm
3x22mm
Heating
element
3kW
3kW 3+3kW 3+3kW 3+3kW 3+3kW
Overall (Height x Ø)
1180x475mm
1720x475mm 1710x550mm 1965x550mm 1350x710mm 1520x710mm
Internal shell (Height x Ø)
1105x375 mm
1635x375mm 1630x445mm 1880x445mm 1250x590mm 1445x590mm
Weight full
142kg
210kg
287kg
341kg
408kg
468kg
Weight empty
22kg
30kg
37kg
44kg
59kg
68kg
Thermal Performance 45 Δ tºC
Insulation quantity
84cm²
119cm²
139cm²
159cm²
145cm²
165cm²
Standing heat loss
1.09kW/day
1.53kW/day
1.76kW/day
2.03kW/day
1.71kW/day
1.86kW/day
Reheat time
126mins
189mins
131mins
158mins
184mins
210mins
MEPS Registration #
95424
95426
95437
95427
95435
95436