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D.S.E. group of COMPANIES |
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Questionnaire 1 - Economical Energy Saving system
DA N M A R - Abir Control Ltd.
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On this page
Questionnaire A - Domestic Hot water solar systems
Questionnaire B - Hotels Questionnaire
Questionnaire C - UFSWH Under Floor Solar Water Heating system
Questionnaire D - Swimming pools questionnaire
Please fill in this questionnaire and fax to : +972 4 8255664
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A - Questionnaire for analising the use of
Solar Domestic Hot water solar systems
The following questions have to be answers in order to analyze and define the characteristics of the appropriate Solar systems :
Country prepared by .date .
Tel: Fax .e-mail .. .
1.0 General data
1.1 Average daily Radiation ( a representing day of the month )
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1.2 - Average daily ambient temperature (a representing day of the month )
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1.3 - Average wind speed and maximum wind speed
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2.0 Water
2.1 Quality of water ( in ppm of Chlorides & Sulphate )
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2.2 Daily usage of hot water .
2.3 - Daily water usage temperature
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2.4 - Nr. of persons in family for which the Solar system should be installed
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2.5 - Specify the month/s when hot water is required
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3 0 City main water line
3.1 - City water temperature ( by a representing day of the month )
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3.2 - City water pressure
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3.3 - Are there regular disturbances in City water supply
3.4 - Is a specific storage tank needed in order to water supply due to above disturbances
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4.0 Availability of Sun radiation
4.1 Specify hours of cloudy availability
5.0 - Specifications of roofs for Systems installation
5.1 What is the max. permissible concentrated load on a Flat and Inclined
( Roof tille )
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5.2 - Percentage of Flat and Inclined roofs .
5.3 - Range of Inclination angles of Inclined roofs .
5.4 - Availability of inclined roof towards equator .
6.0 Special installations
6.1 Description of prestigeous private houses
( Nr. of rooms , Nr. of persons , swimming pool etc. )
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..
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7.0 - Remarks
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INPUT TABL |
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Month |
Ground Reflect ivity |
Solar Intensity Mj/m²day |
Day time RelativeHumidity |
Night timeAmbient air Temp ΊC |
Day time Ambient airTemp ΊC |
Cold Water Temp ΊC |
Collector Outlet Temp ΊC |
Consumption |
Consumption |
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ρ |
H |
% |
Ta1 |
Ta2 |
Tin |
Tout |
% |
l/day |
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January |
0.2 |
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48.5 |
120% |
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February |
0.2 |
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50 |
115% |
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March |
0.2 |
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50 |
110% |
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April |
0.2 |
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50 |
100% |
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May |
0.2 |
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50 |
97% |
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June |
0.2 |
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50 |
95% |
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July |
0.2 |
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50 |
95% |
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August |
0.2 |
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50 |
97% |
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September |
0.2 |
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50 |
100% |
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October |
0.2 |
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50 |
110% |
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November |
0.2 |
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50 |
115% |
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December |
0.2 |
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48.5 |
120% |
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1. Project name: |
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2. Number of beds: |
0 |
Price |
Elec |
N.Gas |
Light oil |
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3. Daily hot water used criteria: |
68 |
$/kWh |
0.0 |
0.0 |
0.0 |
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3. ψ (Psi) Latitude angle: |
0 |
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4. N No Of Collectors in the field: |
0 |
13. Storage tank volume ( l ): |
0 |
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5. β (Beta) Collector inclination angle: |
0 |
No Of Collectors In A Row: |
0 |
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6. γ (Gamma) collector divination angle from south |
0 |
No Of Rows In The Solar Field: |
0 |
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7. Ac ( m²) collector area |
2.5 |
Maximum Pump-flow rate(m³/h): |
0 |
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8. Fr* τ * α = |
0.8 |
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9. Fr*Ul= |
5.5 |
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10. k Collector modifying angle factor : |
1 |
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11. Cp = |
1 |
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12. Tmin (historical minimum temperature) = |
0 |
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B-Hotels Questionnaire
CSDHW
( Central Solar Domestic Hot Water system )
Dear Sir ,
The intention of this questionnaire is to be filled in by the potential customers
Maintenance engineer .
We will base our preliminary design for the preparation of the contractors price quotation which will have to be reviewed by our Engineer prior to the preparation of our final design which should suite the actual realistic conditions at site .
This important remark should emphasize the importance of the data filled in by the customers Engineer .
1. Hotel name: Location: ..
2. Latitude angle: .
3. Number of beds: ..
4. Hotel class: ..stars: ...
5. Climatic data:
5.1 H(Mj/m²day) Direct radiation on horizontal plane (based on average day of the month).
5.2 Ta(°C) Daily ambient temperature (based on average day of the month).
5.3 Tin(°C) City water temperature (based on average day of the month).
6. Cold water consumption (based on average day of the month).
7. Hot water consumers and there daily consumption profile used:
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Consumption (m³/h) |
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7.1 |
Kitchen |
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7.2 |
Laundry |
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7.3 |
Restaurant |
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7.4 |
Bar |
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Hour |
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4 |
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6 |
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11 |
12 |
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Consumption (m³/h) |
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7.1 |
Kitchen |
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7.2 |
Laundry |
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7.3 |
Restaurant |
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7.4 |
Bar |
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Hour |
13 |
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16 |
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8. Energy prices & Energy uses (xxx / year).
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Energy source: |
Price ($) |
Energy (xxx / year) |
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8.1 |
Electricity (kWh) |
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8.2 |
Light oil (kg or l) |
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8.3 |
N. Gas (kg or l) |
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8.4 |
Other |
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9. Drawing scam:
9.1 Hotel roofs:
9.1.1 Roofs dimension.
9.1.2 Roof wall height.
9.1.3 Roof orientation from south.
9.1.4 Obstacles on the roof as wall, elevators case, air condition tunnels,
air vent chimneys, Piping systems, storage tanks, satellite antenna, etc.
9.2 Machine room:
9.2.1 Machine room dimension L.W.H.
9.2.2 Machine room equipment location.
9.2.3 Equipment size.
9.2.4 Piping system scams and size.
9.2.5 Hydraulic scam.
9.2.6 Heat exchangers, pumps and boilers specification.
General drawing:
9.2.7 Upper view on the hotel area.
9.2.8 Hotels building heights.
9.2.9 Machine room location.
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Climatic data |
Hot water consumption(m³/day) |
Energy/month |
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Month |
Ta (°C) |
Tin (°C) |
H (Mj/m²day) |
Kitchen |
Laundry |
Restaurant |
Bar |
Electric (KWh) consumption |
Fuel(kg or l) (N. Gas) consumption |
Fuel(kg or l) (Light. Oil) consumption |
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10 |
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11 |
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12 |
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Remark: energy information can take from electric and fuel bills at the accounting department.
Name ..Signature Date ..
Dear Sir ,
10. project name: Location: ..
11. Latitude angle: .
12. Climatic data:
12.1 H(Mj/m²day) Direct radiation on horizontal plane (based on average day of the month).
12.2Ta(°C) Daily ambient temperature (based on average day of the month).
13. Daily Cold water consumption (based on average day of the month).
13.1Tin(°C) City water temperature (based on average day of the month).
14. Energy prices & Energy uses (xxx/year).
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Energy source: |
Price ($) |
Energy (xxx/year) |
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8.1 |
Electricity (kWh) |
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8.2 |
Light oil (kg or l) |
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8.3 |
N. Gas (kg or l) |
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8.4 |
Other Energy sources in use |
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15. Drawing scam:
6.1 General drawing:
6.1.1 General drawing of the building.
6.1.2 The orintation of the north pole on the drawing.
7. Climatic data
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Climatic data |
Energy/month |
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Month |
Ta(°C) |
Tin(°C) |
H (Mj/m²day) |
Electric (kWh) consumption |
Fuel(kg or l) (N. Gas) consumption |
Fuel(kg or l) (Light. Oil) consumption |
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11 |
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12 |
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Remark: energy information can take from electric and fuel bills.
16. The building area that is heated by the system:
17. The mounth were heating is used:
Name : ..Signature ..Date ..
D - Swimming pools questionnaire.
Dear Sir ,
18. Pool name: Location: ..
19. Latitude angle: .
20. Pool class: .
1. Latitude angle:
2. H (Mj/m²day) Direct solar radiation on the pool surface (based on average day of the month).
3. Ta (°C) Daily ambient temperature (based on average day of the month).
4. Tin (°C) City water temperature (based on average day of the month).
5. Average humidity level of the air (based on average day of the month).
6. Needed pool temperature.
7. The month when the pool is open.
8. Use of a pool cover (blanket), and number of hours the pool is open (uncover).
9. Shading of the pool and % of shading.
10. Wind speed across the pool surface (based on average day of the month).
11. The collector installation location:
11.1 Distance from the pool location.
11.2 Roof inclination (collector inclination angle).
11.3 Roof divination from south.
12. Pool dimension:
12.1 Length.
12.2 With.
12.3 Average depth.
13. Filtration system:
13.1 Filtration pump flow rate.
13.2 Filtration head characteristic.
14. Drawings or scheme.
14.1 The pool.
14.2 The roof where the collectors will be install.
14.3 The filtration room.
15. Energy prices & Energy uses (xxx/year).
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Energy source: |
Price ($) |
Energy (xxx/year) |
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8.1 |
Electricity (kWh) |
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8.2 |
Light oil (kg or l) |
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8.3 |
N. Gas (kg or l) |
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8.4 |
Other |
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16. Climatic data.
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Climatic data |
Energy/month |
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Month |
Ta (°C) |
Tin (°C) |
H (Mj/m²day) |
Electric (KWh) consumption |
Fuel(kg or l) (N. Gas) consumption |
Fuel(kg or l) (Light. Oil) consumption |
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Remark: energy information can take from electric and fuel bills at the accounting department.
Name .(.Signature) ..Date