Manual 01 - Section 01








Residential Solar Information Manual
Section 1 - Solahart Residential Products

STORAGE TANKS & HEAT EXCHANGERS

The numerals designate the volume in litres of each tank.

L SERIES - 150L, 180L, 220L, 300L, 440L
Mild steel vitreous enamel lined storage tanks with an aluminium outer casing connected to polypropylene casing ends, insulated with polyurethane foam, fitted with an electric element and thermostat. These tanks are designed for use in non frost area's.

J SERIES - 150J, 180J, 220J, 300J, 440J
Mild steel vitreous enamel lined storage tanks with an aluminium outer casing connected to polypropylene casing ends, insulated with polyurethane foam, fitted with an electric element and thermostat. A heat exchanger jacket is fitted around the storage cylinder for closed circuit collector connection to either I, J or K collector(s). These tanks are designed for use with all water qualities and in all climatic conditions.

HE SERIES - 150HE, 180HE, 220HE, 300HE, 440HE
Heat exchangers which are similar in design to the J - Series tanks described above but without an element or thermostat fitted.

HET SERIES - 150HET, 180HET, 220HET, 300HET, 440HET
The HET is similar to the HE - Series described above except that the main heat exchanger wall is produced from steel which is 2.7mm thick.




COLLECTORS

L COLLECTOR
Designed for the L Series tanks and open circuit collector systems. The absorber consists of an aluminium plate, roll formed to fit around the six copper waterway risers. The risers and the absorber plate are firmly bonded together using a backing strip stitched to the absorber plate. A thermal paste is used between the risers and the absorber to ensure maximum heat transfer. The absorber plate is finished with a black polyester powder coat on the absorber face.

The outer casing is formed from an aluminium sheet, lined with 55 mm of polyester insulation and covered with low-iron, tempered glass bonded to the casing with closed cell PVC foam tape and an aluminium glazing trim.

J COLLECTOR
Designed for the J, HE & HET Series tanks and heat exchangers. The multi-flow absorber (35 fluid channels) consists of two pressed steel sheets welded together, and finished with black polyester powder coat on both faces of the absorber plate.

K COLLECTOR
Similar to the J Collector, but with a selective surface absorber. The highly efficient K Collector is electroplated with a Black Chrome selective surface on a nickel plated base coat applied to the steel substrate.

The outer casing is formed from an aluminium sheet, lined with 55 mm of polyester insulation and covered with low-iron, tempered glass bonded to the casing with closed cell PVC foam tape and an aluminium glazing trim.

KE COLLECTOR
KE Collectors incorporate a more elaborate glass seal to prevent ice ingress.

I COLLECTOR
Designed for all closed circuit applications whose closed circuit fluid conditions cannot be controlled, the absorber incorporates a 25 mm diameter copper header tubes and seven individual rhombic shaped riser tubes each fused into an aluminium fin and anodised to create a selective surface. The high quality materials used for the absorber array makes it a highly corrosion resistant absorber assembly.

The outer casing is formed from an aluminium sheet, lined with 55 mm of polyester insulation and covered with low iron tempered glass bonded to the casing with closed cell PVC foam tape and a profiled aluminium glazing trim.

IE COLLECTOR
IE Collectors incorporate a more elaborate glass seal to prevent ice ingress.




PARTS BOXES

Contain pipe work, valves and mounting components suitable for installing the range of tank, heat exchanger and collector assemblies described later in this manual.



SOLAR I.C.S. UNIT

The Integrated Collector Storage "HotTop" has been developed as a low-cost means of providing hot water in areas not well serviced by conventional energy infrastructures. Its compact integrated design consists of a low profile solar storage tank within a sturdy insulated metal casing, covered with a sheet of low-iron, tempered glass. The flat tank functions both as a solar absorber and water storage tank.

If electricity is available an optional booster element and thermostat can be fitted if necessary.




ELEMENTS

The following electric elements are available for all tanks.

    240 V 1.8 kW       P/No  33-0340
          2.4 kW             33-0339   <-- Standard
          3.0 kW             33-0331
          3.6 kW             33-0336
          4.8 kW             33-0341

A bobbin element is manufactured for use in harsh water conditions particularly where calcium and other sediment build up on traditional elements are experienced. This optional bobbin element is made of spiral wound resistance wire fitted around a ceramic core and encapsulated within a vitreous enamelled steel tube. This element is only available in 240 V - 2.4 kW rating.(P/No. 33-0966).




ANODES

Each tank heat exchanger and ICS incorporate a magnesium alloy anode. These anodes are suitable for most water conditions where Total Dissolved Solids (TDS) are less than 1,000 p.p.m (parts per million). An optional aluminium anode is available for area's where the water TDS is greater than 1,000 p.p.m.




THIRD PANEL EXTENSION KITS

These kits are available to add a third collector to most two collector SYSTEMS. A third collector can not be fitted to systems mounted on Cyclone Brackets or "A" Frames, or a second to one collector systems.




HEAT CONTROL DEVICE

This device should be used on 302K systems installed in medium to high radiation areas. This device dissipates some of the excess energy collected during periods of high radiation and/or low water usage.




SOLAR OPTIMISER

A Solar Optimiser booster control unit is available for electric and gas boosted Solahart solar hot water systems. This unit enables the customer to choose from four different auxiliary booster modes and has a variable thermostat setting. A Liquid Crystal Display indicates the tank temperature, time of day and the boost mode selection. An interface unit is required when the optimiser is fitted to an electrically boosted unit.




STONE GUARD

A vandal protective steel mesh is available to protect the collector glass when installed in location's subject to vandalism. This guard clips onto the collector without the use of any additional hardware. The collector window area is reduced by 16% when the guard is fitted.




MOUNTING BRACKETS

17.5 and 30° steel "A" Frame brackets are available for Solahart solar hot water systems fitted with 1 or 2 collectors. These brackets can be used on flat roofs, or as side pitch or against pitch roof mounting on sloping roofs.

A "With Pitch" Cyclone Bracket is produced for solar hot water systems fitted with 1 or 2 collectors and located in high wind areas. These brackets have been approved to a wind velocity of 57 metres/sec, frequency of 10 Hz (cyclone terrain category 2 under AS1170 part 2).




GAS BOOSTER

A Gas Booster (FD15-12) is available to fit the full range of storage tanks and heat exchangers. The Gas Booster controls operate on a 12 V dc. plug-in power supply or a battery which can be recharged with either a battery charger or a photovoltaic cell system. The FD15-12 is available for Natural Gas, LPG and Town Gas supplies. The Gas Booster has a burner capacity of 13 MJ/hr and is designed for outdoor installation.




NON RESIDENTIAL SOLAR HOT WATER SYSTEM

Packaged Non Residential systems are pre-engineered to meet customers' specific requirements. The design is based around simplicity of operation and requires minimum site installation expertise.

A standard installation consists of an array of collectors connected by flow and return piping to a packaged heat store situated below the collectors (usually on a lower floor level).

The potable water is stored within vitreous enamelled storage cylinders similar to those used in the residential systems. These storage cylinders are in turn fitted inside a larger heat store cylinder filled with a heat transfer fluid. This fluid is contained within a closed circuit and is used to transfer energy from the collector array to the potable water storage cylinders.

A differential temperature controller controls the operation of the transfer fluid circulation pump. The fluid circulation pump operation is determined by the available solar radiation and the potable water storage temperature. When the collector temperature is higher than the potable water temperature the fluid circulation pump will run until the set temperature of the potable water has been reached. When the fluid circulation pump is running the heat transfer fluid circulates from the heat store through the collectors and returns carrying collected energy to the heat store.

When the fluid circulation pump is OFF the heat transfer fluid drains back from the collector array to be stored within the main heat store closed circuit cylinder and is replaced in the collectors with inert nitrogen gas.

A standard range of heat store systems is available in capacities of 2500, 3500 or 6500 litres. Auxiliary boosting is available with gas, electric or a combination of the two. The number of collectors installed depends upon the storage capacity, geographic location and hot water usage. Solahart customise systems to suit the specified applications.

Contact Solahart for any inquiries regarding Non-Residential hot water systems or refer to our separate Non Residential Hot Water Systems Manual for more detailed information.




SWIMMING POOL SOLAR HEATING SYSTEMS

Solahart offers two swimming pool solar heating systems: HYDROMAX and HELIOCOL. Differences between the two systems are:

The HELIOCOL system incorporates pre manufactured absorber panels with 40 mm header tubes and 6 mm riser tubes moulded into these header tubes. The absorber panels are connected together with elastomer seals and retaining clips to form an absorber array. The absorber panels are available in three different sizes to suit most installations' requirements.

The HYDROMAX system consists of small purpose-made header sections which are glued together to form the header assemblies. Typically both header assemblies (supply and return headers) run side by side . The absorber strips are run from the supply header connections across the roof and loop back to the return header connections. This system gives more flexibility in design and therefore is more suitable for difficult applications where numerous obstacles or odd roof shapes are encountered.

Contact Solahart for any inquiries regarding Swimming Pool Solar Heating Systems or refer to our separate Swimming Pool Solar Heating Systems Manual for more detailed information.




CARDIFFAIR NATURAL COOLING SYSTEM

The Cardiffair Natural Cooling System consists of a large radial fan with optional electronic Speed Controller, Motorised Louvre and Eaves Relief Panels.

The Cardiffair Natural Cooling System provides a cooling effect by creating an air flow through a building. Typically fresh air is drawn into a building through open windows & doors. The fan may be located to also purge warm air from attics or roof spaces. Exhaust air may be relieved through Eave Relief Panels.

Contact Solahart for any inquiries regarding Cardiffair Natural Cooling Systems or refer to our separate Cardiffair Natural Cooling System Manual for more detailed information.