Sime Format 34i Installation Instructions Manual
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Sime Format 34i Installation Instructions Manual

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SIME FORMAT WALL HUNG BOILERS
MODEL 34i AND MODEL 34e
cod. 6272262A

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Summary of Contents for Sime Format 34i

  • Page 1 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e cod. 6272262A...

  • Page 2: General Data

    SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e GENERAL DATA – Heating Data Heat Output Input (Adjustable) (Adjustable) Format 34i 11.2 – 34KW 45 – 145MJ/hr Format 34e 11.2 – 34KW 45 – 145MJ/hr – General Specifications FORMAT 34i – 34e...
  • Page 3 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Fig. 1 Connections Minimum clearances For ventilation For servicing R C.H. return ¾ Above the appliance casing 450mm 300mm M C.H. flow ¾ At the R.H.S. 15mm 15mm G Gas connection ¾...

  • Page 4: Installation Instructions

    INSTALLATION INSTRUCTIONS INTRODUCTION These instructions cover the installation of the SIME FORMAT 34i, an internally mounted boiler using a co-axial flue system, and the SIME FORMAT 34e, an externally mounted boiler. They are fully automatic in operation, being fitted with...
  • Page 5 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Fig. 2 1. Control panel 2. Ignition transformer 3. Combustion chamber 4. Fan 5. Combustion analysis intakes 6. Smoke pressure switch 7. Limit thermostat 8. C.H. sensor (SM) 9. Main exchanger 10.
  • Page 6 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Fig 3. 1. Fan 11. Circulation Pump 2. Water-gas exchanger 12. Expansion Vessel 3. Combustion chamber 13.Safety Valve 4. Gas Valve 14. Drain Plug 5. Limit thermostat 85o C 15. Automatic By-pass 6.
  • Page 7 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e INSTALLATION 2.1 Location 2.1.1 Model 34i a) The boiler must be installed within the building. b) The boiler must be installed on a flat vertical surface which is capable of supporting the weight of the filled boiler.
  • Page 8 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Model 34i & 34e Mounting Bracket The position of the boiler will depend on the flue method used and with respect to Gas Regulation Code AG 601. Fig 4 1. Wall Mounting Bracket 2.
  • Page 9 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Flueing 2.3.1 The flue system for the Model 34i is by 60/100 mm dia co-axial flue components. It can be applied horizontally to the rear of the boiler, to either side, and vertically by means of a custom-designed flue terminal.
  • Page 10 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Cut square at this dimension and remove all burrs and sharp edges. f) Refit the inner duct (see Fig. 6) and cut square this duct 20mm longer than the outer duct. Remove all burrs and sharp edges.
  • Page 11 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Vertical Installation (see Fig. 7.) Important! Each additional 90˚ elbow reduces the available length by 0.9 meters. Fig 7 2.4.1 Vertical installation a) requires a 200mm long adaptor (P/N 8086903A) be fitted to the outlet flange of the boiler.
  • Page 12 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Central Heating Connection Before any connection of the central heating system is made to the boiler, the system should be thoroughly flushed through to remove any dirt and foreign matter which could damage the pump and other devices in the boiler.
  • Page 13 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e 3.0 OPERATION a) The boiler is controlled by a PCB located in the control box. A potentiometer on the PCB, together with a thermistor located on the heat exchanger outlet, controls the temperature of the circulating water, by modulating the gas pressure.
  • Page 14 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Fig. 9 Fig 9a Terminal Strip Disconnect power from main supply before removing cover. Remove link between 2 & 4 and connect thermostat wires to terminals 2 & 4 Fig 10...
  • Page 15 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e PCB Features a) POT.ACC. Bridge.( see Fig 9) This modifies the ignition pressure programme of the gas valve. With the bridge disconnecting, the ignition pressure varies in a linear manner from low to the maximum set heating pressure. With the bridge connected, the pressure varies in a linear manner from 50% to the maximum set heating pressure.
  • Page 16 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Limit Switches The boiler is fitted with two limit switches. (a) Switch located on the heat exchanger, 85º, will turn the boiler OFF, without lockout. It will reset when the temperature drops by 2ºC.
  • Page 17 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e COMMISSIONING Preliminary Checks a) Ensure that the central heating system is full of water and that the pressure gauge indicates a cold static pressure of 1 – 1.5 bar. b) Ensure that all air has been bled from the system and all air vents are closed.
  • Page 18 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Fig12 steady orange indicates a faulty CH sensor, and flashing orange indicates low water pressure. The red indicates lockout. Other features available of the PCB are:- b) POT ACC trimmer, (Fig.12), used to set the ignition power from min.
  • Page 19 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e Pressure Adjustment SIT 845 Sigma (see Fig.13) Setting the Maximum Pressure Connect the pressure gauge as shown in Fig. 13. Remove the plastic cap. Turn the rotary switch to ON, and ensure that the room thermostat is calling for heat.
  • Page 20 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e TABLE 4 Gas Supply Min. Pressure Max. Pressure Natural Gas 0.09kPa 0.71kPa Propane Gas 0.50kPa 2.41kPa Nominal Gas Consumption 145 mj/h Adjusting the Heat Output The boiler is supplied with the C.H. output set to maximum.
  • Page 21 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e CENTRAL HEATING OUTPUT TABLE FOR NATURAL GAS AND PROPANE GAS Fig. 14a Natural Gas 11.2 0.09 0.15 0.18 0.25 0.30 0.71 Fig. 14b Propane Gas 11.2 0.50 0.80 1.00 1.20 1.40...
  • Page 22 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e HANDING OVER TO THE USER When handing over the operation of the boiler to the user, make sure that he or she is fully aware of the boiler operation, and other ancillary equipment such as room thermostats, timers, thermostatic radiator valves, etc..
  • Page 23 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e...
  • Page 24 SIME FORMAT WALL HUNG BOILERS MODEL 34i AND MODEL 34e USER’S INSTRUCTIONS USER’S INSTRUCTIONS USER’S INSTRUCTIONS USER’S INSTRUCTIONS WARNINGS Should a fault occur, turn the boiler OFF, shut any gas valve, and contact the Installer, or Hunt Heating. DO NOT store or place in the immediate vicinity of boiler any flammable liquid or materials.

This manual is also suitable for:

Format 34e

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