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UNVENTED MAINS PRESSURE SOLAR WATER HEATER
170, 190, 210, 250, 260 AND 300 LITRE
DIRECT AND INDIRECT MODELS
INSTALLATION AND SERVICING INSTRUCTIONS
PACK CONTENTS
Premier Plus unvented solar water heater incorporating immersion heater(s) and thermal controls
Factory fitted Temperature/Pressure Relief Valve Cold Water Combination Valve Expansion
Vessel Expansion Vessel Mounting Bracket Tundish Motorised Valve (Indirect models only)
Compression nuts and olives Immersion heater spanner Installation Instructions
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36 00 5945 Issue 04
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Summary of Contents for Santon PES170D
- Page 1 UNVENTED MAINS PRESSURE SOLAR WATER HEATER 170, 190, 210, 250, 260 AND 300 LITRE DIRECT AND INDIRECT MODELS INSTALLATION AND SERVICING INSTRUCTIONS PACK CONTENTS Premier Plus unvented solar water heater incorporating immersion heater(s) and thermal controls Factory fitted Temperature/Pressure Relief Valve Cold Water Combination Valve Expansion Vessel Expansion Vessel Mounting Bracket ...
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Page 2: Table Of Contents
SANTON PREMIER PLUS SOLAR INSTALLATION AND SERVICING INSTRUCTIONS. PLEASE LEAVE THIS MANUAL WITH THE UNIT FOR FUTURE REFERENCE. CONTENTS SECTION CONTENT PAGE INTRODUCTION ................. 4 GENERAL REQUIREMENTS ............5 INSTALLATION - GENERAL ..............6 INSTALLATION - SOLAR PRIMARY ..........11 INSTALLATION - DIRECT UNITS ............ - Page 3 IMPORTANT: PLEASE READ ALL THESE INSTRUCTIONS BEFORE COMMENCING INSTALLATION THE INFORMATION CONTAINED IN THESE INSTRUCTIONS DETAILS HOW TO CONNECT THE PREMIER PLUS SOLAR CYLINDER TO A SO- LAR PRIMARY CIRCUIT. OTHER CONTROLS WILL BE NECESSARY TO PROVIDE CONTROL OVER THE SOLAR PRIMARY CIRCUIT, REFER TO THE INSTRUCTIONS SUPPLIED WITH THE SOLAR CONTROLS AND ANCILLARY EQUIPMENT FOR DETAILS OF HOW TO INTEGRATE THEM WITH THE PREMIER PLUS SOLAR CYLINDER.
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Page 4: Introduction
1.0 INTRODUCTION The Santon Premier Plus Solar is a purpose designed unvented solar water heater. The unit has a stainless This appliance complies with the requirements of steel inner vessel which ensures an excellent stan- the CE marking directive and is KIWA approved to dard of corrosion resistance. -
Page 5: General Requirements
(see Table 2.3 OUTLET/TERMINAL FITTINGS (TAPS, ETC.) The Santon Premier Plus Solar can be used with most types of terminal fittings. It is advantageous in many mixer showers to have balanced hot and cold water supplies. -
Page 6: Installation - General
A stopcock or servicing valve should be incorporated Secondary circulation is NOT recommended for di- into the cold water supply to enable the Santon Premier rect electric units being used on Off Peak electricity Plus Solar and its associated controls to be isolated tariffs. - Page 7 EXPANSION VALVE EXPANSION VALVE OUTLET (15mm) OUTLET COLD MAINS CONNECTION (22mm) OUTLET CONNECTION SECONDARY (22mm) TO CIRCULATION PUMP PREMIER PLUS SECONDARY RETURN PRESSURE REDUCING VALVE / CHECK VALVE CHECK VALVE HOUSING SECONDARY RETURN CONNECTION FIG. 1 Cold Water Combination Valve FIG.
- Page 8 Build- that would collect such discharges (tundish visible). ing Control Officer or Santon. iv. where a single pipe serves a number of discharges, such as in blocks of flats, the number served should G3 REQUIREMENT “...there shall be precautions...to ensure that the...
- Page 9 The discharge pipe should not be blocked or used Temperature/Pressure Relief Valve be removed other for any other purpose. than by authorised Santon personnel. To do so will • The tundish should not be located adjacent to any invalidate any guarantee or claim.
- Page 10 FIG. 5 Typical installation - schematic DIRECT MODELS AUXILLARY HEATING CONTROL EARTH INDIRECT THERMAL CUT-OUT INDIRECT THERMOSTAT CONNECTION THERMOSTAT DIRECT THERMOSTAT FUSED (13A) DOUBLE POLE ISOLATING SWITCH GREEN/ YELLOW BLUE 1.5mm 3 CORE TO INDIRECT SYSTEM BROWN HOFR SHEATHED CONTROLS JUNCTION CABLE BOX - SEE FIGS.
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Page 11: Installation - Solar Primary
(non-return) valves installed in the solar primary flow Never attempt to replace the immersion heater(s) and return to prevent the possibility of any thermo- other than with the recommended Santon immersion syphoning if the solar circulation is stopped. heater(s). DO NOT BYPASS THE THERMAL CUT-OUT(S) FIG. -
Page 12: Installation - Auxillary Heating Coil
6.0 INSTALLATION - AUXILLARY HEATING COIL 6.1 PLUMBING CONNECTIONS Indirect units require the following pipework con- nections. • Cold water supply to and from inlet controls. • Outlet to hot water draw off points. • Discharge pipework from valve outlets to tundish •... - Page 13 Control terminal numbering may differ from those shown. Refer to instructions with controls selected A DOUBLE POLE ISOLATING SWITCH MUST BE INSTALLED IN THE MAINS SUPPLY. ALL EARTH CONNECTIONS BE CONNECTED BACK TO THE MAINS EARTH SUPPLY NOTE: CONTROL CIRCUIT FOR AUXILLARY HEATING BOILER ONLY.
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Page 14: Commissioning
• Ensure the drain cock is CLOSED. 7.5 Secondary Heating Coil • Open a hot tap furthest from the Santon Premier Fill the indirect secondary circuit following the boiler Plus Solar. manufacturer’s commissioning instructions. To ensure • the Premier Plus Solar auxillary heat exchanger is Open the mains stop cock to fill the unit. - Page 15 INDIRECT THERMAL CUT-OUT RESET INDIRECT BUTTON THERMAL THERMOSTAT CUT-OUT ADJUSTMENT INDIRECT THERMOSTAT TERMINAL BLOCK CABLE CLAMPS NOTE: THE HOUSING COVER AND ELEMENT ASSEMBLY HAVE BEEN REMOVED FROM THIS VIEW FOR CLAR- FIG. 10 Indirect thermostat and thermal cut-out...
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Page 16: Maintenance
8.0 MAINTENANCE Indirect models: Open the cover(s) to the immersion heater housing(s) and disconnect wiring from immersion heater(s). Re- 8.1 MAINTENANCE REQUIREMENTS move thermostat capillary sensors from the pockets Unvented hot water systems have a continuing main- on the immersion heater. Unscrew immersion heater tenance requirement in order to ensure safe working backnut(s) and remove immersion heater from the and optimum performance. -
Page 17: Fault Finding And Servicing
95 612 698 9.1 IMPORTANT • Servicing should only be carried by authorised Santon Service Engineers or Agents or by competent installers in the installation and maintenance of un- vented water heating systems. • Any spare parts used MUST be authorised Santon parts. - Page 18 MUST be carried out by a competent installer ANTEE for unvented water heating systems. In case of doubt contact the Santon Service Department (see contact details at foot of page 20). TABLE 5 Fault Finding Chart F AU L T...
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Page 19: User Instructions
10.4 TEMPERATURE CONTROLS – INDIRECT UNITS (Fig. 9) The Santon Premier Plus Solar Indirect units are fit- ted with an Indirect Thermostat and Thermal Cut-out. These controls must be wired in series with the 2 port motorised zone valve supplied to interupt the flow of primary water around the heat exchanger coil when the control temperature has been reached. -
Page 20: Guarantee
Unit 3A, 780 South Street, Whiteinch, Glasgow, G14 0SY Tel: 0141 434 1530 The policy of Santon is one of continuous product development and, as such, we reserve the right to change specifications without notice. SANTON Hurricane Way, Norwich, Norfolk, NR6 6EA...
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