BENSON OUH² OIL UNIT HEATER

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Remote Connections 33-65-228 ON/OFF to SmartCom SC3-SZ Remote Connections 33-65-229 HI/LOW to SmartCom SC3-MZ 34
8.0 Technical Data MODEL OUH100 OUH140 OUH200 OUH250 OUH300 OUH350 Heat Output Heat Input (NETT) Fuel Consumption Gas Oil 35sec kW/hr Btu/hr kW/hr Btu/hr Imp gall/hr litre/hr 31.26 106,660 34.24 116,830 0.76 3.5 35 39.78 135.725 44.60 152,175 1.0 4.5 58.61 200,000 64.25 219,220 1.43 6.5 71.88 245,240 82.73 282,250 1.76 8.0 87.92 300,000 96.04 327,690 2.13 9.7 102.50 350,000 114.8 391,640 2.55 11.57 Burner Type RIELLO G5 G5 G10 G10 G20 G20 35sec Oil Nozzle Oil Pump Pressure 35sec US galls/hr Type Psi Bar 0.65 80°S 190 13.1 0.85 60°S 190 13.1 1.35 45°S 160 11.0 1.75 60°S 160 11.0 2.0 60°S 160 11.0 Head Setting Number 3 6 4 5 2 1.5 Air Setting Number 3 5.5 3 4.5 2 2.8 28sec Oil Nozzle Oil Pump Pressure 28sec Fuel Consumption Gas Oil 28sec US galls/hr Type Psi Bar Imp gall/hr litre/hr 0.75 80°S 150 10.5 0.74 3.5 1.0 60°S 150 10.5 0.98 4.45 1.5 60°S 140 9.5 1.6 7.2 2.0 60°S 130 8.8 2.0 9.0 2.25 60°S 140 9.5 2.3 10.4 Oil Connection BSP 3/8 3/8 3/8 3/8 3/8 3/8 Air Throw (APPROX) Air Flow (STD) Outlet Pressure Centrifugal Temp Rise Through Heater 2.25 45°S 180 12.4 2.75 60°S 135 9.2 2.5 11.34 mtrs 21 23 31 37 36 39 m 3 /sec ft 3 /min Pascals Ins WG °C °F 0.9 1900 150 0.6 29 52 1.02 2120 150 0.6 32 57 1.6 3400 180 0.72 30 54 1.9 4050 150 0.6 31 56 2.44 5180 180 0.72 30 54 2.63 5573 180 0.72 Nett Efficiency % 91.30 89.23 91.22 89.10 91.55 89.30 Sound Level @ 3m dba 61 65 68 69 71 72 Combustion Chamber pressure m/bar 0.14 0.14 0.14 0.14 0.14 0.14 Flue Diameter mm 125 125 125 150 Flue Resistance Min m/bar Max m/bar -0.1 +0.2 -0.1 +0.2 Electrical Supply Standard 230/1/50 230/1/50 230/1/50 230/1/50 230/1/50 230/1/50 Rated Input OUHA kW 0.55 0.55 0.9 0.9 1.1 1.1 Rated Input OUHC kW 1.1 1.1 1.1 1.1 2.2 2.2 Internal Fuse OU- HA Fused Isolator OUHC -0.1 +0.2 -0.1 +0.2 -0.1 +0.2 Amps 6 6 6 6 6 6 Amps 10 10 16 16 20 20 Run Current OUHA Amps 1.6 1.6 2.8 2.8 3.4 3.4 Run Current OUHC Amps 8 8 11 11 15 15 Electrical Protection IP 20 20 20 20 20 20 WEIGHT kg 116 116 177 177 240 240 AIR NOZZLE SIZE Ins 138 138 212 212 280 280 32 57 -0.1 +0.2
Page 1 and 2: Technical Support: Tel: 01384 48920
Page 3 and 4: ~ C O N T E N T S ~ 11 User Instruc
Page 5 and 6: household and similar purposes, ele
Page 7 and 8: 2.0 Location/positioning Warning Al
Page 9 and 10: 2.4 Single pipe system (gravity fee
Page 11 and 12: Black iron pipes can be hammered to
Page 13 and 14: • It is a requirement that the me
Page 15 and 16: 2.11 Flue system. Warning It is ess
Page 17 and 18: 3.5 Oil Installation/connection The
Page 19 and 20: Warning Do not proceed with commiss
Page 21 and 22: 5.0 Servicing Warning Servicing mus
Page 23 and 24: The oil filter should be replaced w
Page 27 and 28: 7.0 Wiring Diagrams Internal Wiring
Page 29 and 30: Internal Wiring Diagram 33-65-107 O
Page 31 and 32: Internal Wiring Diagram 33-65-191 O
Page 33: Remote Connections 33-65-102 ON/OFF
Page 37 and 38: 9.0 Parts Lists DESCRIPTION 100 140
Page 39 and 40: Dimensional drawings - OUHC MODEL A

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