Heatrae Sadia ELECTROMAX SOLAR Nota de publicación

ELECTROMAX SOLAR

INSTALLATION & SERVICING INSTRUCTIONS

CONTENTS

SECTION PAGE

1.0 INTRODUCTION 3

2.0 TECHNICAL SPECIFICATION 9

3.0 INSTALLATION 11

4.0 COMMISSIONING 34

5.0 USER DEMONSTRATION 49

6.0 MAINTENANCE 50

7.0 FAULT FINDING 54

8.0 PART REPLACEMENT 57

9.0 SPARES 71

10.0 ACCESSORIES 75

11.0 GUARANTEE 76

12.0 ENVIRONMENTAL INFORMATION 76

13.0 COMMISSIONING & SERVICING RECORDS 77

14.0 SPARES STOCKISTS 80

1.0 INTRODUCTION

Thank you for purchasing a Heatrae Sadia Electromax Solar. The Electromax Solar is

manufactured in the UK to the highest standards and has been designed to meet all the latest

relevant safety specications.

1.1 IMPORTANT POINTS

The Electromax Solar must be installed and commissioned by a competent person. Please read

and understand these instructions before installing the Electromax Solar. Following installation

and commissioning, the operation of the Electromax Solar should be explained to the user and

these instructions left with them for future reference.

The Electromax Solar is not intended for use by persons (including children) with reduced physical,

sensory or mental capabilities, or lack of experience and knowledge, unless they have been

given supervision or instruction concerning the use of the appliance by a person responsible

for their safety.

Children should be supervised to ensure they do not play with the Electromax Solar.

The Electromax Solar domestic hot water cylinder is of unvented type. Its installation is subject

to Building Regulation G3 (England and Wales), Technical Standard P3 (Scotland) or Building

Regulation P5 (Northern Ireland). Installation must be carried out by a competent person.

Electrical installation must be carried out in accordance with the current IEE Wiring

Regulations.

The Electromax Solar electric heating boiler must be installed into a sealed (pressurised) primary

system. Following installation the primary system should be ushed in accordance with BS 7593

and an inhibitor added.

The Electromax Solar does not contain any substances harmful to health; it does not contain

any asbestos.

1.2 PRODUCT DESCRIPTION

The Electromax Solar is available in a number of capacities and congurations:

95 022 212 - 185 Litre, Radiator

95 022 214 - 220 Litre, Radiator

95 022 215 - 250 Litre, Radiator

95 022 312 - 185 Litre, Underoor

95 022 314 - 220 Litre, Underoor

95 022 315 - 250 Litre, Underoor

95 022 216 - 185 Litre, Radiator, East / West Array

95 022 217 - 220 Litre, Radiator, East / West Array

95 022 218 - 250 Litre, Radiator, East / West Array

95 022 316 - 185 Litre, Underoor, East / West Array

95 022 317 - 220 Litre, Underoor, East / West Array

95 022 318 - 250 Litre, Underoor, East / West Array

The Electromax Solar, when combined with a suitable Electromax Solar Collector kit, comprises

all the principle components to provide:

An efcient solar thermal water heating system•

An electric back up water heating system•

An electric heated wet central heating system•

The Electromax Solar has an unvented domestic hot water storage cylinder manufactured

from Duplex stainless steel and insulated with polyurethane foam.

The primary heat source is solar energy. The sun’s energy is captured by a series of solar

collector panels ( supplied separately ) through which a special heat transfer uid is pumped.

As the uid passes through the collector panels its temperature is raised. The heated uid is

circulated through a heat exchanger coil in the base of the hot water storage cylinder transferring

the heat gained to the stored water, gradually raising its temperature. The cooled uid then

returns to the collector panel to be heated again.

The solar primary circuit includes a circulating pump, a ow meter, an expansion relief valve,

a manual air vent and two high temperature check valves, all factory tted. Solar collectors,

solar expansion vessel and heat transfer uid are supplied as separate accessory kits.

Temperature control of the solar circuit is provided by an electronic controller housed in the

main Electromax Solar control panel. Over-temperature protection is provided by a manually

re-settable double pole cut out.

In the UK a well designed solar system has the potential to deliver up to 60% of a dwellings hot

water requirement from solar energy, however this energy is not received uniformly throughout

the year (70% of the UK annual radiation is received over the period April to September and

25% is received in the months of June and July).

The Electromax Solar also has two 3kW immersion heaters: a lower immersion heater to

supplement the solar energy for periods of low solar gain, and an upper immersion heater to

provide a one-hour boost.

The domestic hot water system includes a factory tted temperature and pressure relief valve

and expansion vessel. A cold water combination valve which comprises a pressure reducing

valve, expansion relief valve, check valve and strainer, is supplied loose.

The Electromax Solar has a wet, sealed, central heating primary circuit suitable for connection

to radiators or underoor manifolds depending on the model purchased. The central heating

circuit is separate to both the solar and domestic hot water systems.

The central heating heat source is a 9kW electric ow type boiler. The system includes a

circulating pump, an expansion vessel, an expansion relief valve, an automatic air vent and

an automatic bypass valve, all factory tted.

Temperature control of the central heating system is provided by a room thermostat ( supplied

loose ). Over-temperature protection of the central heating system is provided by an electronic

control housing in the main Electromax Solar control panel.

Only Electromax Solar Collector kits should be used with the Electromax Solar.

The Solar Collector kits include Solar Collectors, Solar Collector Fixing Kit, Solar Collector

Sensor, Solar Fluid, 2 Metres Flexible Stainless Steel Tube, Solar Expansion Vessel, Solar

Rated Thermostaic Mixing Valve, Installation Instructions:

95 970 517 - 1 Panel, On Roof, Slate & Tile

95 970 518 - 2 Panel, On Roof, Slate & Tile

95 970 519 - 2 Panel, On Roof, Slate & Tile , East / West Array

95 970 520 - 3 Panel, On Roof, Slate & Tile , East / West Array

95 970 521 - 1 Panel, On Roof, A Frame

95 970 522 - 2 Panel, On Roof, A Frame

95 970 523 - 1 Panel In Roof, Slate

95 970 524 - 2 Panel In Roof, Slate

95 970 525 - 1 Panel In Roof, Tile

95 970 526 - 2 Panel In Roof, Tile

95 970 527 - 2 Panel In Roof, Slate, East / West Array

95 970 528 - 3 Panel In Roof, Slate, East / West Array

95 970 529 - 2 Panel In Roof, Tile, East / West Array

95 970 530 - 3 Panel In Roof, Tile, East / West Array

FIGURE 01: ELECTROMAX SOLAR BASIC FEATURES

REAR

LIFTING

POINTS

CONTROL

PANEL

CONTROL

PANEL

COVER

TUNDISH

VIEWING

WINDOW

CABLE ENTRY

POINTS

(RHS & LHS)

SIDE LIFTING

POINTS

(RHS & LHS)

BASE

LIFTING

POINTS

REMOVABLE

PANELS FOR

PIPE ENTRY

(RHS & LHS)

TOP VIEW

FRONT VIEW

SIDE VIEW

FIGURE 02: ELECTROMAX SOLAR BASIC FEATURES

SOLAR FLOW

SOLAR CIRCULATING

PUMP

CENTRAL HEATING

CIRCULATING PUMP

CENTRAL HEATING

AUTOMATIC AIR VENT

CENTRAL HEATING

EXPANSION VESSEL

SOLAR PRESSURE

RELIEF VALVE

CENTRAL HEATING

PRESSURE RELIEF

VALVE

SOLAR MANUAL

AIR VENT & CHECK

VALVE

TEMPERATURE AND

PRESSURE RELIEF

VALVE

SOLAR DRAIN

CENTRAL HEATING

BYPASS VALVE

CENTRAL HEATING

DRAIN

SOLAR RETURN

DOMESTIC HOT

WATER EXPANSION

VESSEL

SOLAR FLOW

METER

ELECTRIC BOILER

BOOST IMMERSION

HEATER

LOWER IMMERSION

HEATER

HOT WATER

OUTLET

SOLAR THERMAL

CUT-OUT

COLD WATER

INLET

FILLING LOOP

TUNDISH

CENTRAL HEATING

ISOLATION VALVES

SOLAR CHECK

VALVE

HOT WATER

CYLINDER

CABLE ENTRY

(SOLAR SENSOR &

DIVERTOR VALVE)

1.3 STORAGE, HANDLING AND UNPACKING

The Electromax Solar is delivered in protective expanded polystyrene packaging with reinforced

corner posts. The assembly is shrInk wrapped in heavy duty polythene. The Electromax Solar

accessory kit is supplied boxed inside the Electromax Solar underneath the top panel. The

packaging must be removed prior to installation. It is recyclable and should be disposed of in

accordance with environmental guidelines.

The Electromax Solar must be stored upright, under cover in dry conditions. It must not be

stacked.

Note the weight of the product and the handling instructions applied to the packaging. If using

a handling device, eg. a sack barrow, to manually move the Electromax Solar, trucking must

be done from the rear to avoid damage to the outer panels.

The Electromax Solar should be lifted and handled by two persons. Hand holds are provided

in the rear panel, in both side panels and in the base panel to aid lifting. Stooping should be

avoided and protective clothing worn when necessary.

Note: Internal packing pieces which protect the central heating expansion vessel in transit

must be removed prior to installation.

FIGURE 03: ELECTROMAX SOLAR CONTROL PANEL

FRONT COVER

SOLAR

CONTROLLER

DOMESTIC HOT

WATER SWITCH

1 HOUR

BOOST SWITCH

FUSES

CENTRAL HEATING

PRESSURE GAUGE

SOLAR PRESSURE

GAUGE

ELECTRIC BOILER

INDICATORS

ELECTRIC BOILER

TEMPERATURE

ADJUSTER

HOT WATER CENTRAL HEATING SOLAR CONTROLLER

RIGHT

DOWN

LEFT

OFF

ON BOOST

OFF

ALARM

HEAT

CALL

SUPPLY

TEMP

S’CON CH’PUMP R’STAT -+

1.4 COMPONENT CHECK LIST

Within the Electromax Solar packaging the following components are supplied. Please check

that all parts are available before commencing installation.

• Electromax Solar

• Cold water combination valve

• Programmable room thermostat

• Immersion heater key spanner

• Hose connection adaptor for primary system drain valve

• Set of cable entry glands and blanking plugs (5 x 20mm, 1 x 25.4mm)

• Installation manual

• User instructions

• Fitting template

Warranty card•

Divertor valve ( East/West models only )•

2.0 TECHNICAL SPECIFICATIONS

2.1 GENERAL

Capacity (Total) 185 litre 220 litre 250 litre

Capacity (Solar) 65 litre 75 litre 80 litre

Weight (Empty) 94kg 105.5kg 112kg

Weight (Full) 279kg 325.5kg 362kg

Height 1580mm 1800mm 1990mm

Width 550mm 550mm 550mm

Depth 600mm 600mm 600mm

2.2 DHW CYLINDER

Rated pressure 0.6 MPa (6 bar)

Operating pressure 0.35 MPa (3.5bar)

Supply pressure 0.15 MPa min (1.5bar) – 1.6 MPa max (16bar) max at

PRV

Temp’ & pressure relief valve 1.0 MPa (10bar) / 90ºC

Pressure reducing valve 0.35 MPa (3.5bar)

Expansion relief valve 0.6 MPa (6bar) Fitted in Cold Water Combination Valve

Expansion vessel capacity 18 litre

Expansion vessel pre charge 0.35 MPa (3.5bar)

Check Valve Fitted in Cold Water Combination Valve

Strainer Fitted in Cold Water Combination Valve

Coil heat exchanger Stainless Steel tube, Ø25mm, 1.1m² surface area

Lower immersion heater 3kW 825 alloy sheathed element (curved)

Upper immersion heater 3kW 825 alloy sheathed element (straight)

Thermostatic control 10 – 70°C rod type thermostats

Over temperature Control 85ºC manually re-settable double pole cut out

2.3 SOLAR CONTROLLER & SOLAR PRIMARY CIRCUIT

Rated pressure 1.0 MPa (10bar)

Operating pressure 0.2 – 0.4 MPa (2 - 4bar)

Pressure relief valve 0.6 MPa (6 bar)

Expansion vessel capacity 24 litres (supplied separately)

Expansion vessel pre charge 0.35 MPa ( 3.5bar) (supplied separately)

Flow meter 2 – 15 litre/min

Air vent Manual type, tted

Check valves x2 tted

Circulating pump Grundfos UPS 15-50

Heat transfer uid Glycol / Water 40/60 mix (supplied separately)

Thermostatic control Electronic controller

Over temperature control 85ºC manually re-settable double pole cut out

2.4 ELECTRIC BOILER & CENTRAL HEATING PRIMARY CIRCUIT

Rated pressure 0.3 MPa (3bar)

Operating pressure 0.1 MPa (1bar)

Pressure relief valve 0.3 MPa (3bar)

Expansion vessel capacity 12 litres

Expansion vessel pre charge 0.1 MPa (1bar)

Automatic bypass valve ` 0.05 MPa (0.5bar)

Automatic air vent Fitted

Circulating pump Grundfos UPS 15-50

Electric boiler 9kW Electric ow type

Thermostatic Control Electronic Controller: Radiator 65 ºC - 80 ºC

Underoor 30 ºC - 60 ºC

Over temperature Control 85ºC manually resettable double pole cut out

2.5 CYLINDER PERFORMANCE

TABEL 01:

MODEL AUXILIARY

VOLUME

HEAT UP TIME

- AUX (MINS)

HEAT UP TIME -

BOOST (MINS)

STANDING HEATLOSS

kWhr/24hr

185 120 126 60 1.76

220 145 152 60 1.73

250 170 178 60 1.70

Heat up time is based on raising the auxillary volume from 15ºC to 60ºC using the lower 3kW

immersion heater.

Boost Volume = 57 Litres

Heating times using solar primary circuit will be variable as they will depend on the amount of

solar radiation, sunshine hours, collector panel type, size and orientation.

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