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Related Manuals for IDEAL Concord CXSi 110
Summary of Contents for IDEAL Concord CXSi 110
- Page 1 INSTALLATION & SERVICING M A N U A L Concord CXSi 110/H-180/H...
- Page 2 GENERAL Concord CXSi/H - Installation & Servicing...
- Page 3 Table 1 - Performance Data Boiler Boiler Input Gross Low Rate Btu/h x 1000 Nett Btu/h x 1000 Boiler Input Gross High Rate Btu/h x 1000 Nett Btu/h x 1000 Boiler Output High Rate Btu/h x 1000 Gas rate High Approx.
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Page 4: Table Of Contents
British Gas to prEN656 for use with natural gas only. Note. Concord CXSi 110/H - 180/H boilers are intended for use as COMMERCIAL BOILERS and are NOT certified for use in domestic applications. A domestic installation is defined as an... -
Page 5: Option Kits
FROST PROTECTION Frost protection is incorporated in the boiler as long as there is a permanent Live supply wired to Terminal L1 on the terminal plug-in connection at the control box and the boiler thermostat knob is not switched to Off. -
Page 6: Hydraulic Resistance
Table 3 above. Any combustible material adjacent to the boiler and its flue system must be so placed or shielded as to ensure that its temperature does not exceed 65... -
Page 7: Pump
MINIMUM FLOW OF WATER - Refer to Table 4 The system design must provide for an adequate flow rate through the boiler at all times when the boiler is firing. The minimum flow rate should correspond to a temperature difference across the boiler flow and return of 35°C (63°F), assessed at catalogue rating. -
Page 8: Installation Requirements
CFCs are included in any part of the boiler. INSTALLATION REQUIREMENTS The appliance must be installed by a CORGI registered installer, The installation of the boiler must be in accordance with the relevant requirements of the Gas Safety Regulations, current I.E.E. (BS.7671) Regulations, Model Water Bye-laws, local water... -
Page 9: Air Supply
IMPORTANT. The use of an extractor fan in the same room as the boiler (or in an adjacent communicating room) can, in certain conditions, adversely affect the safe operation of the boiler. Where such a fan is already fitted (or if it is intended to fit an extractor fan after installation of the appliance) the advice of the gas supplier should be obtained. -
Page 10: Boiler Assembly - Exploded View
CONCORD CXSi BOILER ASSEMBLY - Exploded view Insulation not shown Legend 1. Cleanout cover 2. Collector hood 3. Middle section 4. Flow header 5. Section alignment rings & 'O' rings. 6. Thermostat pocket. 7. End section. INSTALLATION 8. Distribution tube. - Page 11 The combustion chamber should be positioned as near as possible to the installation site. IMPORTANT. It must be remembered that the boiler distribution tube has to be fitted into the rear return tapping of the assembled boiler before final siting.
- Page 12 LH end - and fasten, using the M5 nuts and washers. 15. Fit the gas valve and spark generator assembly to the boiler by doing up the union in the gas line and by fastening the...
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Page 13: System Connections
FLUE CONNECTION 1. Complete the secondary flue connection. The boiler is designed to accept flues to BS.835. If a suitable adaptor is used then flues to BS715 may be fitted. 2. Seal with an approved boiler putty. 3. A split socket should be fitted immediately above the boiler to facilitate disconnection of the flue. -
Page 14: Casing Assembly
11 CASING ASSEMBLY 1. Fit the support angle to the collector hood and fasten, using the M5 screws and washers. 2. Fit the front fixing bracket(s) to the collector hood and fasten, using the M5 screws and washers through the slotted holes. 3. - Page 15 12 CONTROL BOX 1. Make the 3 electrical connections from the overheat thermostat (fixed to the upper front framework) to the terminals marked 'Limit Stat' on the electrical plug-in connector from the gas valve plug lead assembly, as follows: C Pink N/O Red N/C White Ensure that the lead is securely fastened under the...
- Page 16 13 CONTROL BOX - continued 7. Run the flame detector lead through the clips on the front of the combustion chamber base tray and plug it into the flame detector electrode on the LH end burner. Ensure that any slack is tucked neatly into the clips then fasten the clips.
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Page 17: Electrical Connections
The earth connections MUST NEVER be omitted. Wire the earths as shown in Frame 13. All wiring between entry at the rear of the boiler and the connection box must be secured neatly under the cable clips provided. -
Page 18: Internal Wiring
15 INTERNAL WIRING ELECTRODE DETECTION CONTACT REMOVED AND FITTED TO MATING HALF INSTALLATION LEGEND b blue br brown y yellow bk black w white BLUE YELLOW PINK ORANGE BLUE BROWN WHITE YELLOW WHITE VIOLET ORANGE ORANGE BLUE GREY YELLOW DETECTION LEAD 2 X YELLOW 2 X RED 2 X VIOLET... - Page 19 During a call for heat on other zones the appropriate relay directs power to L1 to energise the boiler, at the same time ensuring that Zone 1 pump is controlled by Zone 1 thermostat. Water circulation system - refer to page 5...
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Page 20: Commissioning
This provides power to energise the boiler. If, in addition, Zone 1 now calls for heat, its thermostat will open Zone 1 valve via the normally open contacts of the relay. -
Page 21: Initial Lighting
Concord CXSi/H - Installation & Servicing INSTALLATION 7. The boiler will light at Low rate and the Boiler-on light (5) will be illuminated. If it does not light the Lockout light (6) will be illuminated. Press in and release the Lockout button (7). - Page 22 6. Disconnect the 'high' solenoid plug from the top valve. 7. Disconnect the LH electrical plug from the bottom valve. 8. Turn the boiler on and set the low pressure to the value given in Table 1, using the low rate adjustment screw inside the spindle of the top valve.
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Page 23: Cxsi 180/H
2. Undo the screws holding the electrical plug on the bottom gas valve and pull it off. 3. Turn the boiler on and remove the plastic dust cover from the adjustment screw on the top gas valve and, using a suitable spanner, screw the adjuster gently fully in. -
Page 24: Servicing
Check the operation of the flame failure safety system by lighting the boiler and then turning the gas inlet cock off. The Burner On light will go out and the controls will try to relight the boiler. After a period of about 5 seconds, the Lockout light will be illuminated. - Page 25 Undo the four M6 nuts and washers securing the burner tray and carefully pull it from the boiler, ensuring that no wires are trapped. Undo the screws securing the cleanout cover(s) and remove.
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Page 26: Main Burner
9. Main burner - LH. Concord CXSi/H - 30 MAIN BURNER 1. Remove the burner tray from the boiler, as described in Frames 27-28. 2. Each burner can be removed by lifting it at the back and pushing it backward to clear the injector. -
Page 27: Overheat Thermostat
32 BURNER AND CONTROLS ASSEMBLY - Exploded view - CXSi 180/H LEGEND 1. Main gas inlet cock. 4. High/low gas control valve. 2. Gas inlet union. 5. Gas control valve. 3. 'O' ring seal. 6. Spark generator. 33 OVERHEAT THERMOSTAT 1. - Page 28 34 CONTROL BOX - Basic Boiler, Exploded View LEGEND Wiring clamp. Connection box plug. Connection box. PCB S456B1047 35 CONTROL SENSOR 1. Lift off the casing top panel and front panel. 2. Trace the sensor lead to the pocket in the flow header, remove the spring clip and remove the sensor phial.
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Page 29: Combustion Chamber
IMPORTANT. Turn OFF the gas and DISCONNECT the electricity supply. To replace the insulation boards the major boiler components (including the heat exchanger and burners) have to be removed to gain access to the combustion chamber. -
Page 30: Fault Finding
OFF. The gas valves operate on High/Low and Off principle. The boiler will start at low rate and after 1 minute the high rate gas valve will open. On reaching the set point, determined by the user, the boiler will go to low rate and when the temperature reaches the set point plus 3 close. - Page 31 Is there sufficient open circuit water volume or load available on boiler shutdown for the pump overrun? Is the pump (or shunt pump) wired to terminal L2 in the control box? Has the boiler thermostat knob been switched to OFF? Advise USER Concord CXSi/H - Installation & Servicing...
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Page 32: Short List Of Parts
SHORT LIST OF PARTS When ordering spare parts please quote: 1. Boiler model 2. Boiler serial no. (refer to the data plate on the combustion chamber) 3. Boiler P.I. No. (refer to the data plate on the combustion chamber) 4. Description 5. - Page 33 Casing top panel ... CXSi 160/H Casing top panel ... CXSi 180/H Overheat thermostat ... RAK77.4/3835 Boiler status neons ... Boiler ON Boiler status neons ... Overheat & Lockout Lockout reset button assembly Concord CXSi/H - Installation & Servicing SHORT LIST OF PARTS Description Qty.
- Page 34 NOTES Concord CXSi/H - Concord CXSi/H - Installation & Servicing Installation & Servicing...
- Page 35 Concord CXSi/H - Concord CXSi/H - Installation & Servicing Installation & Servicing NOTES...
- Page 36 Technical Training The Ideal Boilers Technical Training Centre offers a series of first class training courses for domestic, commercial and industrial heating installers, engineers and system specifiers. For details of courses please ring: ... Ideal Boilers, P.O. Box 103, National Ave, Kingston upon Hull, HU5 4JN.