Heatrae Sadia Megalife CLV190 Installation Manual Download Page 14

Megalife Product Guide

14

9.1 Important

i)  Servicing should only be carried out by competent installers in the installation and maintenance of water
       heating systems.
ii)  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.

v)  Water contained in the Megalife solar unit may be very hot, especially following a thermal control failure. 
 

Caution must be taken when drawing water from the unit.

9.2 Spare Parts

A full range of spare parts are available for the Megalife solar range. Refer to the technical data label on the unit to 
identify the model installed and ensure the correct part is ordered. 

9: Fault Finding and Servicing

2

9

6

4

5

8

3

1

Fig. 08: Spares

10

Item

Description

Part Number

1

Immersion heater (lower) 

95 606 984

2

Immersion heater gasket

95 611 822

3

Immersion heater backnut

95 607 869

4

Direct combined thermostat and thermal cut-out 
(spade terminals including wires and terminal block).

Direct combined thermostat and thermal cut-out 
(spade terminals NO wires or terminal block).

95 612 720

95 612 721

5

Indirect combined thermostat and thermal cut-out 
(spade terminals including wires and terminal block).

Indirect combined thermostat and thermal cut-out 
(spade terminals NO wires or terminal block).

95 612 719

95 612 722

6

6 way terminal block

95 607 933

7

Immersion heater key

95 607 861

8

Terminal cover 

95 614 095

9

Terminal Shroud

95 606 993

10

Solar temperature probe pocket 

95 607 064

Table 01: Spares

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07/09/2017   08:40:39

Summary of Contents for Megalife CLV190

Page 1: ...Megalife Solar Vented Cistern Fed Water Heater Installation manual SOLAR DIRECT 36005941_issue_07 indd 1 07 09 2017 08 40 29...

Page 2: ...tlet that is arranged to discharge over the cold water feed cistern The Megalife solar water heaters are supplied with a dedicated solar coil in the lower part of the cylinder which must be connected...

Page 3: ...hot water from the safety devices to an appropriate place open to atmosphere where it will cause no danger to persons in or about the building Vented hot water storage systems 3 12 Vented hot water s...

Page 4: ...ously Water Byelaw 30 A vent pipe MUST be connected to the outlet of the heater This must rise continuously and be arranged to discharge into the feed cistern The vent pipe must have a minimum bore di...

Page 5: ...lly the pipework from the heater to the outlet fittings should be in 22mm pipe with short runs of 15mm pipe to the terminal fittings Pipe sizes may vary due to system design 3 5 Vent Pipe A vent pipe...

Page 6: ...UTLET VENT HOT COLD HOT COLD HOT INLET WATER SUPPLY CISTERN TANK COLD MAINS SUPPLY MAX HEAD 40m VENT PIPE Stop Valve OVERFLOW PIPE Fig 03 Typical Vented Solar Installation Schematic 36005941_issue_07...

Page 7: ...ure controller will control the operation of the solar pumped primary circuit to transfer heat from the solar collector panels to the cylinder via the lower solar primary coil heat exchanger refer to...

Page 8: ...y doubt contact a competent electrician 5 3 Wiring All electrical wiring should be carried out by a competent electrician and be in accordance with the latest I E E Wiring Regulations The Megalife sol...

Page 9: ...ns 1 5mm2 3 Core HOFR sheathed cable Indirect control wiring SPINDLE POSITIONS MINIMUM TEMP 10 C MAXIMUM TEMP 72 C APPROX 60 C ROTATE SPINDLE CLOCKWISE FOR TEMPERATURE INCREASE AND COUNTER CLOCKWISE F...

Page 10: ...Supply 1 2 3 G 1 Br Bl 2 0 GY 3 G 1 Br Bl 2 0 1 3 2 2 L N Programmer Boiler Pump Zone valve HTG Cylinder terminal block Room stat Zone valve DHW Junction box 3 2 3 L 1 N 2 3 HTG ON DHW ON L N 2 3 1 L...

Page 11: ...controls housing and its cable securely clamped Heating by the solar primary circuit is controlled by the solar differential temperature controller refer to the manufacturers installation instructions...

Page 12: ...upply The temperature adjustment is made by inserting a flat bladed screwdriver in the slot in the spindle on top of the thermostat and rotating see Fig 05 page 9 If in any doubt consult a competent e...

Page 13: ...laries by carefully pulling outwards from the immersion heater Note which order they are fitted Remove the terminal shroud Unscrew immersion heater backnut s and remove immersion heater from the unit...

Page 14: ...model installed and ensure the correct part is ordered 9 Fault Finding and Servicing 2 9 6 4 5 8 3 1 Fig 08 Spares 10 Item Description Part Number 1 Immersion heater lower 95 606 984 2 Immersion heate...

Page 15: ...low gradu ally decreases 1 Outlet flow rate exceeds inlet flow to cold water feed cistern 2 Flow starvation caused by opening further outlets 1 Install higher flow float valve Consider larger cold wat...

Page 16: ...min at 80 C 2 C Temperature rise is from 15 C to 60 C Indirect units tested to BS EN 12897 2006 Type Model Reference Dimensions mm Solar Auxiliary Coil Solar Surface Area sq m Solar Coil Rating kW Rat...

Page 17: ...per day kWh 24h per year kWh 365d 190 1 52 555 210 1 70 621 250 1 98 723 300 2 31 843 Indirect Model s CLV190 CLV210 CLV250 CLV300 Energy efficiency class C C C C Storage volume V in litres 190 210 2...

Page 18: ...ckness 50mm Immersion heater Alloy sheathed element and thermostat pocket in Duplex stainless steel plate Pipe connections All connections accept 22mm outside diameter pipe compression nuts and olives...

Page 19: ...e Republic of Ireland For installations outside these territories please contact either the Heatrae Sadia Heating Export Department Tel 44 1603 420191 or Baxi International Tel 44 1926 478323 for furt...

Page 20: ...acles Harlow Essex CM19 5BT T 0845 055 3811 E sales ewh co uk SPD Units 9 10 Hexagon Business Centre Springfield Road Hayes Middlesex UB4 0TY T 020 8606 3567 Parts Center T 0845 270 9800 W www partsce...

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