Mini 3 18 to 39kW - CMS

Hoval Mini-3 and Mini-3H
Technical Data
Mini-3 & Mini-3H
Model (18) (25) (32) (36) (39)
• Nominal thermal output kW 18 25 32 36 39
• Thermal output range kW 16-18 20-25 26-32 33-36 33-39
• Maximum burner capacity kW 19.5 27.1 34.6 38.8 42
• Maximum operating temperature 1 °C 90 90 90 90 90
• Minimum operating temperature °C 482 /383 482 /383 482 /383 482 /383 482 /383
• Minimum return temperature °C 382 /303 382 /303 382 /303 382 /303 382 /303
• Minimum flue gas temperature at outlet °C 110/130 110/130 110/130 110/130 110/130
• Temperature limit (STB) °C 110 110 110 110 110
• Max operating pressure / test pressure bar 3 /4,5 3 /4,5 3 /4,5 3 /4,5 3 /4,5
• Regulators for 160°C flue gas temperature 1xR5/290 2xR5+ 3xR5+ 3xR5+ 3xR5+
1xR3/290 2xR2/290 2xR2/290 2xR2/290
• Boiler efficiency at 80//60°C % 92 92.2 92.5 93 92.7
• Standard efficiency 75//60°C (to EN 303) % 94,3 95 95,1 95,2 95,3
• Standing losses qB ((70°C) Watt 240 260 260 270 270
• Combustion chamber resistance
160 °C flue gas temperature,12,5 %CO2 ,500 m ü.M
(Tolerance +/-20 %) mbar 0,03 0,05 0,12 0,16 0,20
• Flue gas mass flow 12,5 %CO2 (oil) kg/h 30,6 42,5 54,4 61,2 66,3
• Primary resistance 5 z—Value 6,5 4,3 4,3 4,2 4,2
• Primary resistance ( t = 10K) mbar 15,58 19,74 32,57 40,26 47,25
• Primary resistance ( t = 20K) mbar 3,89 4,93 8,14 10,06 11,81
• Hydraulic mass flow ( t = 10K) m 3 /h 1,55 2,15 2,75 3,10 3,35
• Hydraulic mass flow ( t = 20K) m 3 /h 0,77 1,08 1,38 1,55 1,68
• Boiler water content Litres 76 71 71 85 85
• Gas volume m³ 0,050 0,058 0,058 0,068 0,068
• Insulation thickness around boiler shell m m 80 80 80 80 80
• Dry Weight (including casing) kg 145 170 170 180 180
• Noise level with acoustic shroud 4
– Heating noise dB(A) 62 63 64 64 68
– Chimney noise (at flue outlet) dB(A) 79 80 81 81 83
• Combustion chamber i/dia x Length m m ø312x520 ø312x520 ø312x520 ø312x630 ø312x630
• Combustion chamber volume m³ 0,039 0,039 0,039 0,048 0,048
•Mini-3 Width m m 600 600 600 600 600
Length (without burner and shroud) m m 1098 1098 1098 1208 1208
Height m m 1006 1006 1006 1006 1006
•Mini-3H Width m m 600 600 600 600 600
Length (without burner and shroud) m m 1072 1072 1072 1182 1182
Height m m 976 976 976 976 976
1 Limited to 90ºC by control stat
2 Values are valid at minimum flue gas temperature of 110ºC
3 Values are valid at a minimum flue gas temperature of 130ºC
4 Detail are based on a Hoval oil fired burner and may vary depending on make and model
resistance in mbar = Volume flow (m
2004.
Hoval Ltd, Northgate, Newark, Nottinghamshire. NG24 1JN. England. Tel (01636) 672711. Fax (01636) 673532. website: www.hoval.co.uk March 3 /h) 2
x Z