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PLEASE LEAVE THIS INSTRUCTION WITH THE USER FORMAT DGT HE Installation and servicing instructions...
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All descriptions and illustrations provided in this manual have been carefully prepared but we reserve the right to make changes and improvements in our products that may affect the accuracy of the information contained in this manual.
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The Benchmark Scheme Sime Ltd is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimi- se safety, efficiency and performance.
Note: All Gas Safe registered installers carry a ID Card. You can check your installer is Gas Safe Registered by calling 0800 408 5577 SIME COMBINATION BOILERS Installer checklist Please remember to carry out the following checks after installation. This will achieve complete customer satis- faction, and avoid unnecessary service calls.
The products manufactured and sold by SYSTEM are premixed gas condensation 2006/95/CE and 92/42/CE. Sime do not contain any banned materials thermal modules that employ a micropro- For optimum installation and operation, or subs t ances (ie t hey compl y wit h...
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FUNCTIONAL DIAGRAM FORMAT DGT HE 25-30-35 1 Fan 3 Primary exchanger 4 C.H. sensor (SM) 5 Gas valve 6 D.H.W. exchanger 7 Heating water filter 8 Diverter valve 9 Safety thermostat 10 Pump with air release vent 11 D.H.W. flow meter 12 Water inlet filter 13 ----- FORMAT DGT HE 20 SYSTEM...
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MAIN COMPONENTS FORMAT DGT HE 25-30-35 NOTE: Analogue pressure 1 Control panel gauge see fig. 22/a. 2 Fan 3 Mixer 4 Ignition electrode 5 C.H. sensor (SM) FORMAT DGT HE 20 SYSTEM 6 Primary exchanger 7 Smoke chamber 8 Fumes sensor 9 Safety thermostat 10 Condensate collection tray 11 Diverter valve...
INSTALLATION The boiler must be installed in a fixed loca- tion and only by specialized and qualified per- son in compliance with all instructions con- tained in this manual. The installation of this boiler must be in accordance with the rele- vant requirements of the current Gas Safety (installation and use), the local build-...
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Internal trap Branch >75mm Height above pipe sink >100mm SINK >110mm (for 100mm stack) Pipe slope > 450mm >2 (for up to 3 floors) External termination of condensate drainage pipe via internal discharge 100mm Internal stack branch (e.g. sink waste) and condensate syphon Internal termination of condensate drainage pipe to internal stack >...
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CHARACTERISTICS etary cleanser, such as Sentinel X300 INSTALLATION OF COAXIAL OF FEEDWATER or X400. Full instructions are supplied DUCT (ø 60/100 - ø 80/125) with the products. – All recirculatory systems will be subject – For long term protection against corro- The coaxial suction and discharge pipes are to corrosion unless an appropriate sion and scale, after flushing it is rec-...
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provided upon request. The maximum overall length, resulting from the sum of all the suction and discharge pipes, is determined by the load losses of the single connected acces- sories and should not exceed 13 mm H2O (version 20 System) - 15 mm H2O (ver- sion 25-30-35) (ATTENTION: the total length of each pipe should not exceed 50 m, even if the...
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ELECTRICAL CONNECTION injury or damage to persons, animals or Sime part number 7102604 (BCG part property, resulting from the failure to pro- 38493). The heating demand on Format The boiler is supplied with an electric cable.
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Hydraulic separator the instruction in the package. P 1-2 Zone pump 2.8.2 Connection of RF Clock D.H.W. sensor kit Sime part number 7102604 D.H.W. pump (BCG part 138493) 2.8.4 Use with different Floor system electronic systems Expansion card (code 8092240)
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BASIC SYSTEM MULTI-ZONE SYSTEM WITH VALVE, ROOM THERMOSTAT AND EXTERNAL SENSOR (Code 8094101) BASIC SYSTEM MULTI-ZONE SYSTEM WITH PUMP, ROOM THERMOSTATS AND EXTERNAL SENSOR (Code 8094101) BASIC SYSTEM MULTI-ZONE SYSTEM WITH VALVE, ROOM THERMOSTATS, REMOTE CONTROL (Code 8092219), KIT EXPANSION REMOTE CONTROL (Code 8092240) AND EXTERNAL SENSOR (Code 8094101) PARAMETERS SETTINGS Set the opening time of the VZ zone valve:...
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BASIC SYSTEM MULTI-ZONE SYSTEM WITH PUMPS, ROOM THERMOSTATS, REMOTE CONTROL (Code 8092219), KIT EXPANSION REMOTE CONTROL (Code 8092240) AND EXTERNAL SENSOR (Code 8094101) NOTE: The heating is set from the remote control for the first zone and from the boiler panel for the other zones. If there is a request for heat at the same time, the boiler is acti- vated at the highest temperature setting.
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BOILER ELECTRICAL “FORMAT DGT HE 20 SYSTEM” (24 VDC) (24 VDC) TA (24 VDC) SE (3,3 VDC) SF (3,3 VDC) TS (3,3 VDC) SL (24 VDC) SM (3,3 VDC) NOTE (See section 2.8. 1 ): Fuse (1.6 AT) - If “TA” is used in low voltage (24 VDC) connect to clamps 5-6 Ignition transformer of the terminal board in the panel, after having removed the Pump...
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2. 1 0 BOILER ELECTRICAL “FORMAT DGT HE 25-30-35” (24 VDC) (24 VDC) TA (24 VDC) SE (3,3 VDC) S.AUX FLM (12 VDC) (3,3 VDC) SF (3,3 VDC) TS (3,3 VDC) SM (3,3 VDC) SL (24 VDC) NOTE (See section 2.8. 1 ): Fuse (1.6 AT) - If “TA”...
CHARACTERISTICS 3. 1 CONTROL PANEL 1 - DESCRIPTION OF DISPLAY ICONS 2 - DESCRIPTION OF CONTROLS SUMMER MODE ICON OPERATING MODE/RESET By pressing the key in succession, pass to the sum- mer and winter function (stand-by function if perma- WINTER MODE ICON ne on the key more than two second).
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ACCESS TO INSTALLER'S PARAMETERS INSTALLER PARAMETERS FAST CONFIGURATION PAR DESCRIPTION RANGE UNIT OF INC/DEC DEFAULT For access to the installer's parameters, MEASUREMENT UNIT SETTING press simultaneously the ( ) keys 01 Combustion configuration -- = ND “--” for 5 seconds. 1 ...
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EXTERNAL SENSOR If there is an external sensor, the heating settings SET can be taken from the climatic curves according to the external tempera- ture and, in any case, limited to with the range values described in point 3.2 (para- meters PAR 13 and PAR 14).
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con by-pass By-pass on senza by-pass By-pass off 25 - 30 1000 1200 PORTATA (l/h) FLOW RATE (l/h) con by-pass By-pass on senza by-pass By-pass off 20 T - 25/15 12 T 1000 1200 PORTATA (l/h) FLOW RATE (l/h) Fig. 14 LEGENDA By-pass on By-pass off...
GAS CONVERSION (fig. 17) when the supply gas is changed: minimum power (Lo). This operation must be performed by authorised personnel using original Sime 5) Determine the CO values at min power MODELS PAR 1 stated below, if required adjust using the components.
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DISASSEMBLING THE SHELL To simplify maintenance operations on the boiler, it is also possible to completely remove the shell, as shown in figure 19. Turn the con- trol panel to move it forward and be able to access the internal components of the boiler. Codice/Code 8108110 Modello/Model FORMAT DGT HE 25 MAINTENANCE...
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same time the installer's key ( ) for a few seconds. The chimney sweep function will switch on and will continue for 15 minu- tes. During the 15 minutes functioning of chimney sweep function, pressing the keys ) take the boiler respective at maximum (Hi) and at minimum (Lo) power.
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up the boiler again. rotated. in 4.2.2 and 4.3 (fig. 22/e). Open the gas cock, press the “ mode key” (fig. 12). Check the operational (working) gas inlet pressure. Set up the boiler to operate at maximum r at e as descr ibed in 4.5.1 (Chimney sweep]).
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GAS BOILER SYSTEM COMMI S SIONING CH ECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect statutory rights.
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SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.
FAULT FINDING If an electrical fault occurs on the appliance SHORT CIRCUIT approx.: 240 V ac. the preliminary electrical system checks CHECK – Test leads from L to E “ ” meter reads must be carried out first. approx. 240 V ac. Switches turned FULL ON - meter set on Ω...
REPLACEMENT OF PARTS 6. 1 REMOVAL OF – Disconnect lead – Remove gas valve BURNER ASSEMBLY – Remove clip – Refit in reverse order ensuring seals are – Lift out thermistor replaced as required fit in reverse order – Isolate from mains –...
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– Draw out main burner 6. 1 4 DIVERTER VALVE – Disconnect lead from sensor – Drain boiler using fitted drain vent MOTOR HEAD – Lift switch upwards – Remove condense sensor lead – Refit in reverse order – Remove flue stat lead –...
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6.23 MANUAL BY-PASS – Isolate boiler – Remove cover – Isolate flow and return valves – Drain boiler using drain vent – Remove clip – Pull bypass valve forward – Refit in reverse order – Checking seals...
EXPLODED VIEWS COD. TYPE DATE PAGE 3830054 FORMAT DGT HE UK 13.01.2010...
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COD. TYPE DATE PAGE 3830054 FORMAT DGT HE UK 13.01.2010...
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COD. TYPE DATE PAGE 3830055 FORMAT DGT HE UK SYSTEM 13.01.2010...
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COD. TYPE DATE PAGE 3830055 FORMAT DGT HE UK SYSTEM 13.01.2010...
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Dealing with Condensate Five suitable drainage points 1. Internal drain stack pipe 2. Waste water pipe * 3. External drain or gully * 4. Rainwater hoppers that carry both rain water and foul water * 5. Purpose-made soakaways * Care should be taken not to contaminate any “Grey Water Systems” Pipework Condensate pipework should be plastic, same as used for standard wastewater plumbing.
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