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Installation, use and maintenance instructions
Light oil warm air heater
MODEL
CVO 55
CVO 70
CVO 100
Fuel
Country of destination
Serial number and year of construction
BENSON
HEATING
CVO Series
Machinery Directive
PRODUCT CODE
3NDGBCD015
3NDGBCD020
3NDGBCD030
See machine ID plate
EEC 89/392
EEC 91/368
EEC 93/44
EEC 93/68
Light oil
Great Britain
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Summary of Contents for BENSON HEATING LTD CVO 55
- Page 1 HEATING Light oil warm air heater CVO Series Machinery Directive EEC 89/392 EEC 91/368 EEC 93/44 EEC 93/68 MODEL PRODUCT CODE CVO 55 3NDGBCD015 CVO 70 3NDGBCD020 CVO 100 3NDGBCD030 Fuel Light oil Country of destination Great Britain Serial number and year of construction...
- Page 2 Dear Customer, Thank you for requesting a Benson Heating warm air heater from your installer. In doing so you have selected one of the best products on the market, one which will provide you with all the undisputed advantages of greater indoor comfort. This manual provides information and advice for its proper installation, use and maintenance.
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Page 3: Table Of Contents
INDEX Chapter Subject Page CONTENTS DESCRIPTION AND CHARACTERISTICS Description Technical characteristics Overall dimensions INSTALLATION INSTRUCTIONS Handling and transport Handling with vehicles/other mechanical devices 3.1.1 Handling manually 3.1.2 Removing the packaging Positioning the unit Connections 3.4.1 Chimney flue connections Fuel line connections 3.4.2 Electrical connections 3.4.3... -
Page 4: Description And Characteristics
DESCRIPTION AND CHARACTERISTICS Description The CVO Series air heater manufactured by BENSON HEATING has been designed to meet a wide range warm of heating needs. It is ideal for houses, apartments, offices, shops, restaurants, pubs, laboratories, workshops, hospital rooms etc. and can diffuse air either directly or distribute it via a system of ducts. -
Page 5: Technical Characteristics
Technical characteristics CVO 55 CVO 70 CVO 100 Heating capacity input 18.49 23.72 34.13 Btu/h 63.104 80.920 116.403 Efficiency 88.0 88.2 88.5 Heating capacity output 16.3 20.9 30.2 Btu/h 55.600 71.300 103.000 Air flow at +15°C 0.24 0.31 0.44 Thermal head °C... -
Page 6: Installation Instructions
INSTALLATION INSTRUCTIONS Handling and transport The CVO Series air heater manufactured by BENSON HEATING is shipped on a wooden base and is warm protected by plastic and cardboard packaging. Any accessories are shipped separately. Handling and transport must be carried out with the unit in a vertical position. To minimise risk of damage wait until the unit reaches the installation area before removing the packaging. -
Page 7: Positioning The Unit
Positioning the unit The unit must be positioned on a flat, dry, stable surface capable of bearing the load indicated in the “Technical Characteristics”. The position of the air heater must be defined by qualified personnel and should take into account the warm following: it should be adjacent to a chimney flue... -
Page 8: Fuel Line Connections
The CVO Series air heater manufactured by BENSON HEATING must be connected to chimney flues warm having the following specifications (see fig. 3.4.1.1): cross-section equal to or greater than flue connector duct smooth internal surface maximum horizontal length of 1 m no tight bends or changes in cross-section minimum vertical length of 3 m. - Page 9 Fig. 3.4.2.2 Light oil connection instructions internal tube diameter ∅ i max intake tube length vertical height L metres ∅ ∅ ∅ ∅ i ∅ ∅ ∅ ∅ i metres 8 mm 10 mm L metres ∅ ∅ ∅ ∅ i ∅...
- Page 10 * 4 Water drain valve 5 Light oil filter * 6 Shut-off valve * to be installed by customer Model Tank Capacity (litres) CVO 55 SR 10 SR 20 CVO 70 SR 30 1.030 CVO 100 - It is recommended that shut-off valves be fitted on the fuel couplings to prevent any fuel loss during burner maintenance.
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Page 11: Electrical Connections
3.4.3 Electrical connection Internal connections in the CVO Series air heater manufactured by BENSON HEATING are completed warm prior to delivery. The installer need only make the following connections: Have qualified personnel check that the electrical wiring has a cross-section suitable for the maximum absorbed power of the unit as indicated on the ID plate. -
Page 12: Air Delivery Connections
3.4.4 Air delivery connections The CVO Series air heater manufactured by BENSON HEATING has been designed to diffuse warm warm directly or distribute it through a system of ducts. Direct diffusion This type of installation is carried out where the heater is used to heat the room/zone in which it is installed. In this event diffusion gratings, which can be oriented as desired, are supplied. -
Page 13: Adjusting The Unit
FAN-LIMIT bi-thermostat LIMIT Fan start Fan stop burner shutdown 35°C 25°C 120°C RIELLO light oil burner type R40 G3B cod.3743730 Model CVO 55 CVO 70 CVO 100 Delavan nozze 60° W 0,40 0,50 0,65 Pump pressure Adjustment damper N° RIELLO light oil burner type R40 G3B cod.3772100... -
Page 14: First-Time Start Up
make sure that fuel feed system specifications are compatible with burner performance; make sure there is no wiring near any heat sources; make sure that fuel type is compatible with the installed unit; make sure that fuel line is sealed perfectly both internally and externally. First-time start up First-time start-up must only be carried out by qualified personnel who must check for correct installation of all system components and proper adjustment/performance of safety devices. -
Page 15: Maintenance
MAINTENANCE To ensure long lasting performance clean the heater periodically. Do not carry out any work on the heater until it has cooled and the fuel feed and electrical power supplies have been cut. Use gloves where necessary, Heat exchanger Establishing the frequency with which the exchanger should be cleaned is somewhat difficult as many factors influence the formation of soot. -
Page 16: Assistance
Burner Given the complexity of the unit it is recommended that you contact your burner dealer’s Assistance Service; remember to check and clean the filter on the light oil feed line periodically. Ventilator When checking the heat exchanger check the fan and clean if necessary. By removing the same cover It is also possible to gain access to the compartment underneath the exchanger to recover any objects which may have fallen there. -
Page 17: Troubleshooting
TROUBLESHOOTING If the air heater malfunctions check that: warm the power supply has not been interrupted. power fluctuations do not exceed +10%, - 15% the fuel has not run out. PROBLEM PROBABLE CAUSE RECOMMENDED SOLUTION WARM AIR HEATER WITH LIGHT OIL BURNER The burner fails to start No power - Check main switch position... - Page 20 Since the company is constantly engaged in making improvements to its production, the appearance, dimensions, technical data, equipment and accessories may be subject to alterations. Benson Heating LUDLOW ROAD KNIGHTON POWYS, LD7 1LP U.K. Benson Heating is a Division of Benson Climate Systems Ltd 512/D 12/01 Ind.
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