Haier PGT2.0-2 Installation Manual Download Page 6

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2. Pressurization test

（

Pressurizing with water

）

接室内用水

平板集热器

储水箱

自来水

压力安全阀

膨胀罐

阀1 阀2

阀3

自动排气阀

过滤器

单向阀

过滤器

单向阀

循环泵

阀4

(Principle schematic drawing of the heat collecting system)

阀1

阀3

储液罐

注液泵

压力表

阀2

过滤器

膨胀罐

压力安全阀

单向阀

循环泵

(Schematic drawing for the liquid filling components)

Plate heat collector

automatic exhaust

valve

valve 4

Valve3

Valve1

Valve2

Valve3

Valve1

Circulation pump

Check valve

expansion tank

water reservoir

Pressure relief valve

filter

Check valve

filter

Tap water

connecting to the water used indoor

Liquid tank

circulation pump

Check valve

Pressure relief valve

expansion tank

filter

Manometer

Liquid filling pump

Summary of Contents for PGT2.0-2

Page 1: ...1 Haier flat panel solar collector Installation manual Model PGT2 0 2 Prepared by Qingdao economic and technology development zone Haier water heater company Prepared date 2009 02 18 ...

Page 2: ... 4 4 solar panel dimension 4 Ⅱ heat conducting medium for solar heating system 5 Ⅲ lightning conductor 8 Ⅳ solar panel installation manual 9 A installation method for pitched roof 10 1 tile roof 10 2 color steel roof 16 B installation method for flat roof 18 C installation method for vertical wall 22 Ⅴ pipeline for solar panels 28 ...

Page 3: ...hrough the collector When the diameter and the coarseness of the draining pipe and collecting pipe for the collector is fixed the pressure drop increases along with the quantity increase of the liquid flowing through the collector The diameter of the draining pipe and collecting pipe for the collector When the coarseness of the inner wall of the pipe and the liquid quantity is fixed the pressure d...

Page 4: ...icable in four seasons α β When the solar system is used mainly in summer α β 10o When the solar system is used mainly in winter α β 10o Note α Title angle for mounting the collector β Geographical latitude of the area for mounting the collector 4 For the detailed sizes for mounting the plate collector see the figure below in mm ...

Page 5: ...he primary circulation system is not recommended to be used by the plate collector in any case if it is inevitable to use the primary circulation system the problem with the scaling in of the copper pipe must be solved The table below contains the valves of the freeze points of the propylene glycol antifreezes which concentrations are different The concentration of the propylene glycol antifreeze ...

Page 6: ...hematic drawing for the liquid filling components Plate heat collector automatic exhaust valve valve 4 Valve3 Valve1 Valve2 Valve2 Valve2 Valve3 Valve1 Circulation pump Check valve expansion tank water reservoir Pressure relief valve filter Check valve filter Tap water connecting to the water used indoor Liquid tank circulation pump Check valve Pressure relief valve expansion tank filter Manometer...

Page 7: ...is same as the above The different work is that the valve connecting to the expansion tank must be opened before filling the antifreeze it should also be noticed that the pressure for filling the liquid must be consistent to pre filling pressure of the expansion tank 0 15MPa to 0 2MPa in general 5 Close valve 4 below the automatic exhaust valve when antifreeze is fully filled to prevent the medium...

Page 8: ...owing is a simple drawing for mounting the lightning rod on a flat or sloped roof The drawing for mounting the lightning rod on a flat roof The lightning rod can be welded onto a frame or an independent lightning rod can be manufactured and it can be fixed with a wire rope The drawing for mounting the lightning rod on sloped roof Making an independent lightning rod is recommended it can be fixed w...

Page 9: ...3 If the collector cannot be protected making a lightning rod is required it shall be the relevant professionals that decide how to select the materials decides its height and how to fix it the lightning rod and its frame mounted on site shall be connected to the existing lightning belt with equipotential bonding For the connection material connection and anti corrosion method the local specificat...

Page 10: ...ctor on a sloped roof depending on the roof style How to mount it on a tile roof How to mount it on a color steel roof 1 How to mount it on a tile roof 1 How to assemble the fittings of the plate collector How to connect and fix it with batten ...

Page 11: ...11 平板集热器角钢件 L40 70 120 4 集数器连接件固定螺栓M8 16 焊接挂瓦条 Plate heat collector Set bolt Batten Plate heat collector connector Welding Angle iron piece ...

Page 12: ...late collector shall be mounted and fixed Step 2 Prepare angle iron pieces 5 L40 70 120 4 fix them onto the roof beam with wood screw 4 after drilling its side wall Step 3 Weld the bent collector connector 3 onto the angle iron piece 5 they can be weld prior to mounting them Step 4 Connect the drilled channel steel 1with collector connector 3 with bolt 6 How to connect and fix the prepared bolt ...

Page 13: ...ng 4 Prepared bolt 5 Bolt 6 Nut Step 1 Build M12 bolt 4 onto roof with concrete If bolt 4 is not built in on the roof in advance the collector can be fixed with an expansion bolt during mounting but waterproofing measures shall be taken Plate heat collector Set bolt M8 16 Batten Heat collector connector Sealing grease Prepared expansion bolt ...

Page 14: ...lace when the collector connector is assembled 3 Fix the channel steel with collector connector with bolt 5 mount the collector fixing hook 2 onto the lower channel steel cushion them with rubber pad 4 mount plate collector 1 onto it hook the lower edge of the plate collector 1 fix the upper edge with the fixing hole on the outer frame and connect plate collector and the fixed channel steel with b...

Page 15: ...15 1 Plate collector 2 Collector fixing hook 3 Channel steel 4 Rubber pad ...

Page 16: ...16 2 How to mount it onto color steel roof 9 8 现场钻孔 Drilling hole on site ...

Page 17: ...17 ...

Page 18: ...ut2 gasket 3 and rubber gasket 4 in sequence with the collector fixing bolt 5 as it is just for sealing don t make them too tight Step 3 Fix the channel steel connector to the collector fixing bolt 5 1 Channel steel 2 Collector fastener 3 Bolt 4 Nut Step 4 Prepare the hole drilled channel steel fix the collector fastener 2 with channel steel 1 with bolt 3 and nut 4 screw them up Step 5 Fix the pla...

Page 19: ...r Select a proper foundation for the collector according to the actual roof condition which may be a field casting concrete frusta or concrete brick No matter which way is taken the top of the foundation for the collector shall be leveled 2 How to mount the support for the collector 1 Mounting steps ...

Page 20: ...t 5 Step 3 Fix the channel steel 6 not the triangle frame assembled in step 2 with bolt 7 and nut 8 Step 4 Anti corrosion treatment When the support is finished treat it with hot galvanizing or paint it to prevent corrosion First remove rust oil or dirt off the angle iron and channel steel apply the antirust paint on it twice and apply finish paint twice Step 5 Mount the collector fixing hook 9 on...

Page 21: ...21 3 How to mount the plate collector 1 Plate collector 2 Collector fixing hook 3 Channel steel 4 Rubber pad ...

Page 22: ...ge of the collector with the collector fixing hook the upper edge of the collector shall be fixed through the fixing hole on its outer frame Connect the plate collector to the fixed channel steel with a bolt Step 2 Tighten all bolts 4 Sample drawing for the mounted collector ...

Page 23: ...23 ...

Page 24: ...isadvantages to the wall body such as deforming or cracks etc The light weight filled wall shall not be used as a structure to support the solar collector The support of the collector mounted on the external wall shall be fixed onto the built in connector in the wall firmly A concrete structural column could be added at the place o the built in connector if necessary and it shall meet the requirem...

Page 25: ...25 ...

Page 26: ...les Step 2 After drilling holes on the channel steel 2 fix the channel steel 2 and collector fixing hook 7 onto the external wall with expansion bolt 1 and nut 4 Step 3 Put the plate collector onto the collector fixing hook 7 and stabilize Fix the plate collector 5 onto the channel steel 2 with bolt 3 and nut 6 through the fixing holes on the outer frame of the plate collector ...

Page 27: ...M8螺栓 M8膨胀螺栓 5号槽钢 I 2 When the plate collector is mounted to the external wall not vertically M8 expansion bolt 5 Channel steel M8 bolt Plate heat collector Plate heat collector M8 expansion bolt M8 expansion bolt M8 bolt 5 Channel steel ...

Page 28: ...28 1 Support frame 2 Front support 3 Support connecting rod 4 Expansion bolt 5 Bolt 6 Plate collector 7 Bolt ...

Page 29: ...al wall and insert expansion bolt 4 into the holes Step 3 Fix the support which has been assembled in step 1 onto the external wall Step 4 Put the plate collector 6 onto the support and connect the plate collector 6 with the fixed support with bolt 7 through the outer frame of the plate collector 平板集热器 M8螺栓 M8膨胀螺栓角钢支架 I I Angle iron support M8 bolt plate heat collector M8 expansion bolt ...

Page 30: ...e two ways to connect two plate collectors next to each other Such mounting ways can ensure that the pipe distance in the system is equal and can shorten the hot water circulation pile which can reduce the thermal loss from the pipe and increase the heat collecting efficiency of the solar system The 1st Method ...

Page 31: ...and another end interface is G1 2 male thread 4 Bellows 2 200mm long and two end interfaces are G1 2 female thread nut 5 Tee joint 2 G1 2 female thread to three directions 6 Automatic exhausting valve Caleffi 1 G3 8 male thread for the lower end 7 Taper joint 1 G3 8 female thread for the upper end and G1 2 male thread for the lower end 8 测温盲管 Thermometer 1 G1 2 male thread for one end 9 Double nip...

Page 32: ...d left and right according to the actual site conditions The pipes and fittings shall be mounted in the same way for mounting two collectors above 3 How to connect 4 plate collectors The 1st Method Get 4 plate collectors in one row and mount them this mounting way needs a mounting area big enough ...

Page 33: ...ector array may be mounted in the following way For this kind of array of collectors 4 plate collectors shall be connected in parallel too and they are not put in one row The pipes and fittings shall be mounted in the same way as mounting two collectors above ...

Page 34: ...lector needs less mounting area but first two collectors shall be connected in parallel and then assemble two sets of the connected collectors in parallel too The pipes and fittings shall be mounted in the same way for mounting two collectors above ...

Page 35: ...collectors in a serial or parallel way the above array way can be taken as an example When more than 4 plate collectors are going to be mounted on a row the serial mounting is not recommended i e the 3rd mounting method shouldn t be used since this kind of connection has larger resistance drop The 1st 2nd or 4th method is recommended It is recommended that at most 8 plate collectors are going to b...

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