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Evac uated Glass Tubes Solar Water Heater
Solar Geyser 5
USERS GUIDE
Gh u lam Sab i r & Co .Jam il Plaza G-10 Markaz
Islamabad 44000 PAKISTAN
Tel: +(92) 51 222 77 33, Fax: +(92) 51 222 77 30
Email: office@solar-geyser.com www.solar-geyser.com 1
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Index
Index . 2
Specification . 3
Product Materials . 3
Plumbing Mechanism . 4
Safety First . 5
Safe Temperatures . 5
Intended Use of this System . 6
Low Pressure System . 6
Frost Protection . 7
Powder Coated Frame
Parts
. 7
Assembly Instructions . 7
Top Riser Vent . 12
What to do if you break a
tube
. 12
Warrantee 13
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Specification
Quantity of Evacuated Glass Tubes: 15 & 1 (as Spare)
Diameter of Evacuated Glass Tubes: 47mmLength of Evacuated Glass Tubes: 1.5M
Tank & Evacuated Glass Tubes Capacity: 135 LPolyurethane Insulation Layer Thickness: 60mmInner Tank Material: SUS 304-2B Food Grade Quality
Structure: Powder Coated Color Steel
Evacuate Tube Specification:
Material: Borosilicate Glass 3.3
Glass Thickness: 1.6 mmLength: 1.5 Meter
Single tube weight 1.5 KG
Outer Tube Diameter: 47 mmInner Tube Diameter: 37 mm
Thermal expansion 3.3x10-6oC
Freezing Tolerance -10oC
Stagnation Point >250oC
Emmitance
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(Seal ring: high quality silicon rubber, with good elasticity, endures high
temperature; endure age, nonpoisonous, tasteless, safe and reliable).
Support frame: its an important part supporting water tank and tubes,Zinc Coated Steel. With high intensity structure with high strength and
endure corrode.
Plumbing Mechanism:
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Safety first
A few careful preventative measures will ensure the safe operation of this solar hot water
heating system.
Always wear gloves and long sleeve overalls when working with the glass tubes Mount the system to ensure people/children cannot inadvertently run/walk into
the tubes
The system should be mounted in such a way as to deter accidents
The system must be bolted down at the 4 feet position so that strong wind cannotblow it over.
We appreciate you are keen to assemble your system and no doubt have assembled it on
your front lawn full of boiling water. Do not do this - give a thought to the potential
hazard. A child running into this system would be seriously cut and burnt with scoldinghot water. Do not let this happen.
Please ensure you erect this system in a safe place such that this will never occur.
Safety tips
Wear gloves and overalls.
Erect in a suitable place out of reach of adults/children.
Do not over pressurize the system.
Read the instructions prior to assembling.
If a tube breaks, give some thought to where the 200 liters of boiling water may
end up? Into a rainwater system - not onto your head off a roof without any
spouting. Ensure that if this system is using water that is not treated, then the water is
heated to 60 degrees Celsius to avoid the risk of Legionnaires disease.
Boiling water will cause serious burns. Make sure it is plumbed in correctly and
secured.
Ensure the system is full with water during sunlight hours.
Do not fill the system with cold water if you have accidentally left it in the sun
empty.
Cover the tubes and in the evening fill slowly with cold water to prevent possiblebreakage.
Safe temperatures
Water tank storage systems are currently required to reach 80 degrees Celsius to ensurethat the water is hot enough to kill unwanted organisms that might establish in your hot
water tank. It is recommended that this temperature is reached every day, but in practice,
this is not possible in solar hot water heating systems without electric backup, typically
the case with off grid homes. The requirement for how often the temperature should beraised to 80 degrees Celsius is not currently specified in Pakistani law. A minimum of
once every week would be prudent. Many users of such systems ensure that the tank
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temperature reaches 80 degrees Celsius once every as a compromise. You should buy atemperature probe so you can check this. Generally, this will not be a problem on hot
summer days but temperatures might not get above 70 degrees Celsius during poor
weather conditions.
In situations where the system is preheating swimming pools, hot tubs and as a pre heaterfor an existing house/farm hot water system then the water will be heated above 80degree Celsius and/or is being chemically/UV treated.
Intended use of this system
This system is a low cost system common in China. As such, it will generally capture
sufficient energy to pay for itself in 2-4 years (excluding all installation costs).
Spare parts are common and held in stock at local Solar Geyser distributors. Solar Geyser
has completed accelerated high temperature test for over 12 months without any leaks to
date. This is with the unit containing boiling water almost all the time.
The intended use is for:
Hot tubs
Swimming pool heating
Domestic hot water heating
Users should note that hot water heating systems normally require a buildingconsent. Such systems are normally required to be installed by a plumber. This
system does not meet all these requirements but can be legally used in certain
applications or as the user wishes to use them, accepting any liability themselves.
Solar Geysers view is that an affordable solar system is much better than no solar
system and these systems have many applications.
Please take good notice of the warnings we have given you, as Solar Geyser will not
be liable in the event of inappropriate use of this equipment.
Low-pressure systems
This is a low-pressure direct system. The water being heated by the sun is inside the glasstubes; hence the system is not able to withstand much pressure. The tanks are therefore
made from very thin stainless steel, resulting in a very cost effective product. Thewarmed water rises naturally into the tank by convection flow. These direct systems arealso very efficient as there are no heat exchangers required. As such, this low cost system
will outperform most other more expensive systems. This system is capable of boiling
water after two clear winter days.
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Frost protection
The solar systems can withstand frost conditions provided minimum night time
temperatures do not go below -10 degrees Celsius.
Powder coated frame parts:
Check to make sure all components are present as detailed below.
2 vertical legs
2 diagonal legs
2 leg & tank joiner
1 tube holder4 short diagonal bars
1 short diagonal bar flat end
2 long diagonal bars2 long horizontal bar with
one flat end
1 long front bar1 bag of bolts and nuts
1 bag of bolts, nuts and
reflector fixings
You should also have a tank, 16 (15 required, 1 spare included) glass tubes, a packet of
plastic seals and plastic tube trims.
Assembly instructions:
Assemble diagonal legs withLeg & Tank joiner.
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Arrange outer 2 diagonal legs so the flat side is outside, link the 2 vertical legs with the
tube holder and the long bar on the front as shown below.
Tube Holder & Diagonal Leg
Two Vertical Legs arranged with Tank Joiner and 2 horizontal bars assemble with both
vertical legs.
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Assemble 4 short dioganol bars
Join 4 feet
Place Tank on the tank joiners.
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Place the plastic caps in the tube
holder.
Lubricate tank seals with soap.
Lubricate tube by spreading soap
or detergent and put trim seal over
tube, flat side is pointing towards
tank.
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Caution:
It is strictly prohibited to
pour cold water suddenly
into the dry vacuum tubes
exposed in the sun to avoid
blowout of the evacuatedcollector tubes. Please use
sunshade or input water
into the tubes in case of
installation under the
burning sun.
Rotate tube carefully (wear gloves)
while pushing tube upwards into
the tank. Be careful not to knock
the other end of the tube on the
fame.
Prepare the reflectors beforehand
and fit by twisting clamps 90.
The installation of reflector
panels should go in step with
the installation of vacuum
tubes.
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Insert Stainless Steel pipe nipple as
hot water outlet in the upper hole.
Insert pipe nipple in the lower hole
as cold water inlet.
Top riser vent
A plastic vent is provided so that steam can vent from the system. This vent can be
extended up to 1.0m in height by gluing a suitable extension piece onto the fitting
supplied. You will need to support the extended vent with stay wires.
What to do if you break a tube.
If you should accidentally break a tube after the system has been in service for sometime, it can be difficult to remove the old broken tube, due to scale build up on the tube
surface. The best way is to spray silicon lubricant on the top of the tube with the trim
removed. Push the tube up, rotate slightly, then pull and twist the tube out. Replace with anew tube.
Spare tubes, frames and tanks are available from the local distributor or Solar
Geysers nearest office.
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Warrantee:
This system has a full 12-month warrantee and Solar Geyser will hold spare partsfor as many years as possible, ensuring a good supply of spare parts and product
support.
Any defective part or parts that fail inside the warrantee period must be returned
to Solar Geyser at the customers expense. The customer may collect or arrangefor transport (at their cost) any replacement parts.
Goods are sold on a collection from site basis only. Tubes are all inspected prior
to collection and one spare tube is supplied. The buyer is invited to check all the
tubes and other parts for any defects at time of collection.
In the event of more than one tube being cracked when the system is installed, thebuyer will have to collect a replacement tube from our premises or pay for the
freight on any tubes sent. Customers wishing to have the goods freighted to them must pay for and organize
the freight themselves; any damage in freight is for the customer to resolve withthe freight company not Solar Geyser. Goods are sold for collection only to the
customer or for collection by their nominated agent.
Leaving this solar system in the sun without it being filled with water will void
this warrantee.
Do not attempt to make any new openings into the tank; this will void your
warrantee.
Do not overpressure by extend the vent pipe this will void you warrantee.