Related Manuals for Saunier Duval THEMA F 23 E
Summary of Contents for Saunier Duval THEMA F 23 E
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Page 1: Installation And Servicing Instructions
Heating and hot water for the professionals Installation and Servicing Instructions THEMA F I N W A R R A N T Y THIS IS A CAT II2H3+ APPLIANCE T E C H N I C A L H E L P L I N E 01773 828400 01773 828100... -
Page 2: Table Of Contents
INSTALLATION AND SERVICING INSTRUCTIONS THEMA F 23 E - THEMA F SB 18 E - THEMA F SB 23 E Note! The boiler serial number is marked on the label attached to the inside of the boiler. Refer to the 'Introduction' section page 3 for a description of the basic functions of the boiler. -
Page 3: Introduction
INTRODUCTION The THEMA F 23 E boiler is a wall mounted modulat- The boiler is supplied for rear outlet flue connec- ing combination boiler with electronic ignition pro- tion. Alternatively, the boiler is designed to allow viding central heating and instantaneous domes- the flue system to be connected to the top of the tic hot water. -
Page 4: Technical Data
TECHNICAL DATA Heating output automatically variable from (kW) (BTU/H) 30,000 30,000 30,000 to (kW) 23,3 18,5 23,3 (BTU/H) 80,000 63,000 80,000 Efficiency 91,5 90,5 91,5 Heating adjustment 38 C to 90 C Expansion vessel effective capacity Expansion vessel charge pressure (bar) Maximum system capacity at 75 C Safety valve, maximum service pressure... - Page 5 TECHNICAL DATA Pressure table : Heat output (kW) 23,3 (Btu/h) 30387 34142 37557 40971 44385 47799 51214 54628 58042 61456 64871 68285 71699 75113 79552 Heat input (kW) 11,9 13,2 14,4 15,7 16,9 18,1 19,2 20,4 21,5 22,7 23,8 24,9 26,0 26,9 28,3...
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Page 6: Boiler Schematic
BOILER SCHEMATIC THEMA F 23 E - Ignition module - Heating temperature adjuster - Hot water temperature adjuster - Temperature/ressure gauge - Expansion vessel - Pump - Automatic air vent - Burner - Heat exchanger bleed pipe - Heatexchanger - Gas valve... -
Page 7: Fixing Jig
FIXING JIG THEMA F 23 E From left to right, the fixing jig comprises: - Heating return with isolating valve (m). - Cold water inlet with isolating valve (p). - Heating flow with isolating valve (q), drain screw (r) and safety valve (s). -
Page 8: Heating System Design
HEATING SYSTEM DESIGN • The THEMA F boiler is compatible with any type of An additional expansion vessel can be fitted to the installation. system if required, see diagram 6. • Heating surfaces may consist of radiators, convec- • Provision shall be made for a drain valve at the tors or fan assisted convectors. -
Page 9: Boiler Location
• Check that both the hook and connecting plate are level. Should any doubt exist as to the permissible posi- tion of the terminal, contact the Saunier Duval If the boiler is not installed immediately, protect the Technical Helpline 01773 828400. -
Page 10: Boiler Installation
BOILER INSTALLATION Statutory requirements Installing the boiler The installation of this boiler must be carried out by Prior to starting work, the system must be thoroughly a competent person in accordance with the rel- flushed so as to eliminate any foreign bodies and evant requirements of the current issue of: contaminants such as filings, solder particles, oil, grease etc. - Page 11 REAR OUTLET FLUE INSTALLATION B - Rear outlet side flue Mark the horizontal centre line on the rear wall. Extend the horizontal centre line to the side wall and mark the vertical centre line of the flue hole 255 mini as shown in diagram 12.
- Page 12 REAR OUTLET FLUE INSTALLATION Extended flue The horizontal flue is extended by using one or more Outer pipe of the 1000 mm extension pipes, Saunier Duval part number 85091. These are connected together by push fit type joints, clamps and seals. Cutting length Calculation of flue cutting lengths for extended flue •...
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Page 13: Top Outlet Flue Installation
The horizontal flue is extended by using one or more of the when fitting. 1000 mm extension pipes, Saunier Duval part number 85091. Important: If the flue has been cut, ensure that there are no These are connected together by push fit type joints, clamps burrs that could damage the 'O' ring. -
Page 14: Electrical Connection
Connection of the whole electrical system and any A mechanical or digital time clock is available as heating system controls to the electrical supply must an accessory, Saunier Duval part N 86148 (me- be through a common isolator. chanical) or 86149 (digital). -
Page 15: Commissioning
COMMISSIONING The commissioning and first firing of the boiler must only be done by a competent person. Gas installation It is recommended that any air is purged from the supply at the gas inlet test point on the left hand side of the gas valve, see diagram 20. -
Page 16: Safety Devices
The THEMA F 23 E boiler has a built in frost protec- In case of power supply failure The boiler no longer operates. tion device that protects the boiler from freezing. If... -
Page 17: Settings
6. Any bypass must be fitted before system controls. PCB Settings The PCB on the Thema F 23 E can be set to operate in different ways to suit individual installations. The dip switch SW1, see diagram 27, should be set as... -
Page 18: Routine Cleaning And Inspection
ROUTINE CLEANING AND INSPECTION To ensure the continued efficient and safe opera- tion of the boiler it is recommended that it is checked and serviced at regular intervals. The fre- quency of servicing will depend upon the particu- lar installation conditions and usage, but in gen- eral once a year should be enough. -
Page 19: Replacement Of Parts
• Replace all outer panels. REPLACEMENT OF PARTS To replace microswitch assembly exept SB models) microswitch on THEMA F 23 E • Disconnect microswitch by pulling off plug. • Unclip external controls connector from mount- ing bracket. -
Page 20: Ignition Printed Circuit Board
REPLACEMENT OF PARTS • Fit replacement PCB in reverse order to removal. Important: When fitting replacement PCB, ensure that control knob spindles correctly locate into PCB adjuster slots. • Refit connectors and covers in reverse order to removal. To replace ignition PCB •... -
Page 21: Reversing Valve Front Section
REPLACEMENT OF PARTS • Push water valve back to disengage it from re- versing valve. • Unclip and remove loss of water pressure switch from left of reversing valve assembly, see diagram • From below boiler, undo and remove three screws holding reversing valve to bottom plate of boiler. -
Page 22: Gas Valve
REPLACEMENT OF PARTS • Remove clip holding pipe to heat exchanger in rear of water valve. From front of boiler, grip clip with long nosed pliers and pull upwards. • Unscrew and remove large screw holding water valve to back plate of reversing valve assembly, see diagram 32. -
Page 23: Central Heating Safety Valve
REPLACEMENT OF PARTS To replace safety valve • Unscrew pipe connection nut from expansion vessel and disengage pipe from connection. Keep • Drain down entire heating system. • From below boiler, disconnect heating flow pipe sealing washer. from rear of fixing jig. •... -
Page 24: Overheat Thermostat
REPLACEMENT OF PARTS • Unclip thermistor from pipe. To replace burner • Pull off electrical cennections from thermistor. • Pull off ignition and flame sense leads from elec- • Fit replacement thermistor in reverse order to re- trodes. moval. • Remove burner from boiler as described in 'Rou- Note: No heat sink compound is required. -
Page 25: Schematic Wiring Diagram
SCHEMATIC WIRING DIAGRAM - ON/OFF switch - Pump THEMA F 23 E PCB - Microswitch - Hight limit thermostat - Loss of water switch 6.13 - Gas valve modulating coil - Room thermostat (if fitted) 6.14 - Boiler thermistor 6.15 - Gas valve 6.11... -
Page 26: Fault Finding
FAULT FINDING Prior to fault finding, check : For example: Inlet gas pressure = 20 mbar If the domestic hot water works but the heating Electrical supply = 240 V - 50 Hz doesn’t, refer to chart No. 1. Central heating system is pressurised at 1 - 1,5 bar. If heating works correctly but the hot water doesn’t, Overheat thermostat on RHS of heat exchanger has refer to chart No. -
Page 27: Spare Parts
57059 Control PCB (all models) 57277 Pump 51236 Water valve diaphragm kit 52519 Spark generator 51110 Microswitch assembly (THEMA F 23 E)51590 Air pressure switch 51692 Temperature/pressure gauge 57278 Main PCB (SB models) 57267 Boiler Thermistor 57060 Main PCB (THEMA F 23 E) - Page 28 108198 B 06/98...
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