Rima ONGAS 300/W Series Installation, Operation & Maintenance Manual Download | Manualshive

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ONGAS 300/W Series Example Hydraulic Schemes

Scheme -1

Meaning of the symbols on Scheme-1

DHS: Outside Temperature Sensor
KP: Circulation Pump
DKS: Low Loss Header sensor
AP: Main Pump

Note:
1. Only general installation princple,and electrical sensors are shown in the scheme. Filters, valves and expansion vessels are
not shown in the scheme., these components must be choosen and placed accordingly.
2. Pumps and Low loss headers must be choosen according to table in the end of the manual.

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Summary of Contents for ONGAS 300/W Series

Page 1: ...ONGAS 300 W SERIES CONDENSING BOILER Cast Aluminum Wall Hung Condensing Boilers REV 01 2011 OONGAS 300 W For Natural Gas 0051 11 ...

Page 2: ...ons for ONGAS Series 20 Boiler De montage 25 Plumbing Instructions 25 Heating Radiator Water 26 Condensate Discharge 26 Gas Connections 27 Electrical Connections 28 ONGAS 303 W Series Electrical Wiring Diagram 30 ONGAS 304 W 305 W 306 W 307 W Series Electrical Wiring Diagram 31 Cascade Configurations 32 Gas rate adjustment instructions 32 Adjustment of the Gas Rate ONGAS 306 W 307 W 33 Adjustment ...

Page 3: ...e threatening situations Keep unauthorized personnel away from the boiler Do not place objects on or against the boiler Do not touch hot water connections or the flue outlet when the boiler is operating burn hazard Installation repair commissioning maintenance and repair work must only be carried out by suitably qualified personnel Engineer in accordance with all relevant national local standards ...

Page 4: ...ECT AGAINST WATER All gas appliances must be installed by authorized technicians Failure to install appliances correctly could lead to prosecution RIMA ONGAS300 W condensing boiler must not be installed or modified in any situations except written in this manual Always transport the boiler in the safety packaging before installation Additional protection may be required if site conditions warrant ...

Page 5: ...ve 92 42 EEC Efficiency Directive The boiler may only be installed in a room which complies with the appropriate ventilation requirements and which is separated from living rooms If not there is suffocate and poisoning risk Read the technical instructions before installing and lighting the boiler ONGAS 300 W Series Wall Hung Condensing Boilers for Natural Gas Operating Principle of ONGAS 300 W Ser...

Page 6: ...Operating Instructions ...

Page 7: ......

Page 8: ......

Page 9: ......

Page 10: ......

Page 11: ......

Page 12: ...C type and has been designed for central heating also optionally domestic hot water The operating pressure of system is between the 0 8 bar min to 6 bar max The circulation pump must be installed to system Every boiler has been tested during the assembling properly The pre mix burner with its air gas system ensures clean mixing reaches up to 109 efficiencies without any problem in condensing mode ...

Page 13: ... working to avoid from frost The boiler must not be installed place that contains humid vapor dust Otherwise boiler is not working correctly and efficiently The ground where the boiler installed must be stabilized strong flat and high from floor level for avoid of flooding Fresh air supply must be refined from halogen hydrocarbons sprays paint and some chemical materials otherwise this materials c...

Page 14: ...s may explode in the over pressurized boiler evaporation harmless RIMA ONGAS 300 W Series Condensing Boilers are only compatible and works with systems which has circulation pump RIMA ONGAS 300 W Series Condensing Boilers delivered without circulation pump RIMA ONGAS 300 W Series Condensing Boilers are compatible with max 6 bar systems Heating Radiator Water Sanitary water can be used for plumbing...

Page 15: ...ncy and will not reduce the anticipated life expectancy of the boiler Take advice on the suitability of inhibitors for use with aluminum boilers MAX pH of 8 5 when using additives max pH of 9 without additives Water Quality Regarding to quality of water used in central heating and boiler systems some institutions published instructions as well as VDI Directive 2035 DIN EN 14868 Standard According ...

Page 16: ...ll valve in gas device must be closed OFF position Please be careful of gas type that using in the boiler and please consider on the conversion instructions Electrical Connections Electrical connections must be done by authorized technicians Terminal box fuse switches and sensors delivered completely assembled and functionally tested Main supply and other accessories circulation pump etc must be c...

Page 17: ...ongly affect product life please consider on the installation instructions When first starting the boiler control has a self check time of about 10 seconds Electrical rating of connected controls should be appropriate for the load that is switched by the boiler control Disconnect the boiler control from mains before performing a dielectric strength test The flame connection pin of all types is not...

Page 18: ...ordance with local regulations The appliance manufacturer s instructions should always be followed when provided If such instructions are not provided see the connection diagrams for typical systems Before installing or replacing any control check that type number is correct for the application Ensure combustion chamber is free of gas before start up Conduct a thorough check out when installation ...

Page 19: ...ONGAS 300 Series Electrical Wiring Diagram All electrical connections must be done according the diagrams are given above ...

Page 20: ...hidden gas leaks which could cause flashback in the appliance vestibule Light the main burner With the main burner in operation paint all pipe joints including adapters and gas control inlet and outlet with a rich soap and water solution approved leak detection fluid If another gas leak is detected tighten adapter screws joints and pipe connections Replace the part if gas leak cannot be stopped Ch...

Page 21: ... and its probe should be inserted to chimney by means of flue gas measurement hole Remove the plastic cover of gas valve by pulling Use a proper thin screwdriver if necessary as it shown in the picture Increasing or decreasing gas rate by checking emission O2 CO2 CO values from the flue gas analyzer according to above table Use the proper Allen tool and rotate the Allen to right for decrease and l...

Page 22: ...eries Gas Valve Repeat the mentioned steps above by using proper tool as it is shown picture use screw driver for maximum gas rate adjustment Repeat the mentioned steps above by using proper tool as it is shown picture use Allen tool for maximum gas rate adjustment ...

Page 23: ...s valid for open chimney boilers The chimney must comply to the current regulations Type C63 Room sealed appliance supplied without the terminal or the air supply and flue gas discharge ducts Installation Samples Values in the table are calculated according The flue system must be installed in accordance with the local and national Standards refer to EN 13384 1 2 The flue outlet must be made only ...

Page 24: ...on table are given Deviations in the flue systems and pipes must be calculate according to EN 13384 1 1 2 3 4 5 6 7 8 Connect the boiler to the flue using a pipe made of stainless steel or plastic material with an internal diameter diameters can be changed according to boiler models capable of resisting normal mechanical stresses over time as well as high temperatures 120 C and the chemical effect...

Page 25: ...p DKS Low Loss Header sensor AP Main Pump Note 1 Only general installation princple and electrical sensors are shown in the scheme Filters valves and expansion vessels are not shown in the scheme these components must be choosen and placed accordingly 2 Pumps and Low loss headers must be choosen according to table in the end of the manual ...

Page 26: ...ensor IP Heating pump BP Boiler Pump Note 1 Only general installation princple and electrical sensors are shown in the scheme Filters valves and expansion vessels are not shown in the scheme these components must be choosen and placed accordingly 2 Pumps and Low loss headers must be choosen according to table in the end of the manual ...

Page 27: ...Sensor UYV 3 way valve AP Main pump Note 1 Only general installation princple and electrical sensors are shown in the scheme Filters valves and expansion vessels are not shown in the scheme these components must be choosen and placed accordingly 2 Pumps and Low loss headers must be choosen according to table in the end of the manual ...

Page 28: ...Fault Finding ...

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Page 31: ...rviced cleaned The annual inspection of the boiler includes combustion system check of the boiler Clean the fan venturi and burner checking the ignition electrode leakage check water flue gas and gas water pressure check Disconnect the mains supply close the main gas cock and allow the boiler to cool down before working on the boiler ...

Page 32: ...fan venturi and burner 1 Cut off the electrical supply 2 Close the main gas valve 3 Remove the electrical connections from the fan gas valve and electrodes 4 Remove the bolts from the venturi air inlet connection 5 Remove the pressure sensor and temperature sensor cables 6 Remove the bolts from venturi gas inlet connection 7 Remove the burner connection bolts from heat exchanger 8 Clean the pre mi...

Page 33: ...heck the gas supply pressure O 8 Check gas meter capacity O 9 Check the gas leakage of the connections and the gas pipes O 10 Vent gas supply pipe O 11 Check electrical connections O 12 Air supply and flue gas discharge connections checked O 13 Check function and operational status of the boiler O 14 Check whether the gas air ratio control is correct O 15 Measuring equipment removed and cap refitt...

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