2 Technical Data
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2
.1 Boiler Technical Data – Vortex Eco Wall-hung Boilers
Kitchen/Utility Kitchen/Utility System
Model 12/16 16/21 12/16 16/21
Water content Litres 11 11 11 11
Gal 2.4 2.4 2.4 2.4
Weight - complete boiler (dry) kg 85.7 92.2 85.7 92.2
lbs 189 203 189 203
Weight - boiler shell only (dry)* kg 56.0 56.0 56.0 56.0
lbs 123 123 123 123
Max heat input (kerosene) kW 17.0 21.0 17.0 21.0
Btu/h 58,000 71,650 58,000 71,650
Flow connection 22mm - push-fit Tectite connector (supplied fitted)
Return connection 22mm - push-fit Tectite connector (supplied fitted)
Min. flow rate ∆T=10°C l/h 1420 1740 1420 1740
Min. flow rate ∆T=20°C l/h 710 870 710 870
Condense connection Accepts 21.5mm Ø polypropylene overflow pipe
Flue diameter (conventional flue) mm 100mm
Waterside resistance ∆T=10°C mbar 28.5
Waterside resistance ∆T=20°C mbar 10
Maximum static head m 28
Minimum circulating head m1
Boiler thermostat range °C 65 to 75
Limit (safety) stat cut-off temperature °C 111 ± 3
Max casing temperature °C less than 50
Electricity supply 230V ~ 50Hz Fused at 5 Amp
Motor power Watts 75
Starting current Amps 2.25
Running current Amps 0.85
Oil connections
1
/4" Male BSP
Conventional flue draught
N/m² Min - 8.7
in.wg Max - 37
Max operating press - sealed system bar 2.5
Max operating pressure - open system bar 2.5
* Weight of shell - without baffles & clean-out door 45.7kg
12/16 & 16/21
Heating system pressure (cold) 0.5 bar Min - 1.0 bar Max
Pressure relief valve operating pressure 2.5 bar
Expansion vessel size 8 litres
Max heating system volume (including boiler)* 85 litres
Cold mains connection (for filling loop) 15mm compression (provided)
Pressure relief valve discharge connection 15mm compression (provided)
* Based on vessel charge and system pressure cold fill pressure of 0.5 bar
2.2 Sealed System Data – Kitchen/Utility System Models
Technical Data
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