Related Manuals for Heatrae Sadia Megalife CLV190
Summary of Contents for Heatrae Sadia Megalife CLV190
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Page 1: Installation Manual
Megalife Solar Vented Cistern Fed Water Heater Installation manual SOLAR DIRECT 36005941_issue_07.indd 1 07/09/2017 08:40:29... -
Page 2: Table Of Contents
1: Introduction Thank you for purchasing a Heatrae Sadia Megalife cistern fed solar vented water heater. The Megalife solar is manufactured in the UK from top quality materials and meets all the latest relevant safety and constructional standards. The high grade Duplex stainless steel cylinder offers exceptional strength and corrosion resistance and is backed by a 25 year cylinder guarantee. - Page 3 Please read and understand these instructions before starting work. The information contained in these instructions details how to connect the Megalife Solar water heater to a solar primary circuit. Other controls will be necessary to provide control over the primary circuit, refer to the instructions supplied with the solar controls and ancillary equipment for details of how to integrate them with the Megalife Solar unit.
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Page 4: General Requirements
2: General Requirements IMPORTANT : PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS BEFORE INSTALLING THE MEGALIFE SOLAR WATER HEATER. INCORRECT INSTALLATION MAY INVALIDATE GUARANTEE. THIS APPLIANCE CAN BE USED BY CHILDREN AGED FROM 8 YEARS AND ABOVE AND PERSONS WITH REDUCED PHYSICAL SENSORY OR MENTAL CAPABILITIES OR LACK OF EXPERIENCE AND KNOWLEDGE IF THEY HAVE BEEN GIVEN SUPERVISORY OR INSTRUCTION CONCERNING USE OF THE APPLIANCE IN A SAFE WAY AND UNDERSTAND THE HAZARDS INVOLVED. -
Page 5: Installation - General
3: Installation - General 3.1 Pipe Fittings All pipe connections to the Megalife solar are made via 22mm compression fittings directly to the unit (nuts and olives supplied). The fittings are also threaded 3/4” BSP male parallel should threaded connections be required. 3.2 Cold Water Supply A 22mm cold water supply is recommended from the cold water feed cistern. - Page 6 Fig. 03: Typical Vented Solar Installation - Schematic COLD VENT PIPE MAINS SUPPLY OVERFLOW PIPE CISTERN TANK Stop Valve COLD OUTLET/VENT (HOT) COLD INLET WATER SUPPLY Megalife Product Guide 36005941_issue_07.indd 6 07/09/2017 08:40:32...
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Page 7: Installation - Solar
4: Installation - Solar Primary 4.1 Connection To Solar Primary Circuit The lower (solar) coil of the Megalife solar must be connected to a fully pumped solar primary circuit. The connections are suitable for 22mm copper pipe direct to the compression fittings provided. The connections are also threaded 3/4”... -
Page 8: Installation - Auxillary Coil
5: Installation - Auxillary Coil (Indirect Units) 5.1 Boiler Selection The Auxillary coil on the Megalife solar indirect models are suitable for use with most gas, oil or electric boilers. The boiler used can either be a sealed system or open vented type. The maximum primary circuit pressure is 3.5 bar. If an open vented type boiler is used it must be fed from a separate boiler feed and expansion cistern, it MUST NOT be fed from the Megalife solar cold water feed cistern. - Page 9 Fig. 05: Electrical connection (indirect schematic) and temperature adjustment Element Connections Indirect control 1.5mm2 3 Core wiring HOFR sheathed cable THERMAL CUT-OUT RESET BUTTON TEMPERATURE ADJUSTING SPINDLE SPINDLE POSITIONS = MINIMUM TEMP 10ºC = MAXIMUM TEMP 72ºC = APPROX 60 °C ROTATE SPINDLE CLOCKWISE FOR TEMPERATURE INCREASE AND COUNTER CLOCKWISE FOR TEMPERATURE DECREASE Megalife Product Guide...
- Page 10 Fig. 06: Schematic wiring diagram - Basic 2 x 2 port valve system Cylinder terminal block 1 2 3 Zone valve (HTG) Room stat Zone valve (DHW) Br Bl Br Bl 1 3 2 (Supply) 3 4 5 6 7 8 9 10 Junction box 1 2 3 4 5 6 7 8 9 10 Programmer...
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Page 11: Commissioning
6: Installation - Commissioning 6.1 Filling The Megalife Solar With Water • Ensure that all fittings and immersion heater(s) are correctly fitted and tightened. • Open the highest hot tap in the system. • Open the mains cold water supply to the cold water feed cistern. • Open the service valve or stop valve fitted in the cold feed pipe to the unit. Allow the unit to fill. When water flows from the hot tap allow to run for a few minutes to flush through any dirt or swarf, then close tap. •... -
Page 12: User Instructions
7: Installation - User Instructions 7.1 Temperature Control Solar Primary Circuit Temperature control when heating by the solar primary circuit will be controlled by the external solar differential temperature controller. The controller should be set to give a water storage temperature of approx. 60 C, however it can be set to other temperatures. -
Page 13: Maintenance
Maintenance should be carried out by a competent person and any replacement parts used should be authorised Heatrae Sadia Megalife solar spare parts. In hard water areas consideration should be given to periodically descaling the immersion heater elements. To do this the Megalife solar unit will need to be drained, 8.2 and 8.3 below detail how to drain the unit and remove the... -
Page 14: Fault Finding & Servicing
Servicing should only be carried out by competent installers in the installation and maintenance of water heating systems. Any spare parts used MUST be authorised Heatrae Sadia parts. iii) Disconnect the electrical supply before removing any electrical equipment covers. iv) NEVER bypass any thermal controls or operate system without the necessary safety controls. - Page 15 Megalife solar water heater and its associated controls MUST be carried out by a competent installer for water heating systems. In case of doubt contact the Heatrae Sadia Service Department (see back page). Table 02: Fault Finding...
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Page 16: Dimensions & Specifications
10: Dimensions and Specifications Fig. 09: Dimensions HOT OUTLET AUXILLARY SECONDARY RETURN FLOW AUXILLARY AUXILLARY CONTROL RETURN SOLAR CONTROL PRIMARY FLOW COLD INLET PRIMARY RETURN Table 03: Dimensions Type Model Dimensions (mm) Solar Auxiliary Coil Reference Solar Solar Rating Auxillary Hot Water Capacity Surface Coil... - Page 17 Table 04: Unit weights Nominal Weight of Weight Model Type Capacity unit full of unit Reference (litres) (Kg) (Kg) Solar 190 SV Ind Indirect 210 SV Ind 250 SV Ind 300 SV Ind Table 05: Standing heat loss Nominal Standing Heat Loss Capacity (Litres) per day...
- Page 18 Outline Specifications Maximum working head 40 metres 0.4MPa (4 bar) Immersion heater rating (a.c. supply only) 3kW @ 240V ~ 50Hz 2.8kW @ 230V ~ 50Hz Maximum primary circuit pressure 0.3MPa (3 bar) Rated pressure 0.2MPa (2.0 bar) Pressure drop across coils 0.02MPa (0.2bar) Outer casing: White textured plastic coated corrosion proofed steel...
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Page 19: Guarantee
11.1 Guarantee Terms Heatrae Sadia guarantee the Megalife solar immersion heater for a period of two years from the date of purchase, with the exception of damage due to scaling. Electrical parts and thermal controls are guaranteed for a period of two years, from the date of purchase. -
Page 20: Contacts
After Sales Service T: 0344 871 1535 F: 0344 871 1528 E: heatraesadia.service@heateam.co.uk www.heatraesadia.com Heatrae Sadia, Hurricane Way, Norwich, Norfolk, NR6 6EA, United Kingdom SPARES STOCKISTS: Advanced Water Company Ltd Unit D5 Enterprise Way Vale Park, Evesham Worcs, WR11 1GS...