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Solar Water Heater with Copper Coil
  • Solar Water Heater with Copper Coil
  • Solar Water Heater Copper Coil
  • Glass Solar tube
  • Glass Solar tube
  • Copper Coil Solar Water Heater
Pressurized Tubular Solar Water Heater with Copper Coil
  • SFD series
Copper coil in water tank can stand 6 bars. Matched with vacuum tubes, especially suitable for strong isolation condition.
SFD model has a special copper coil heat exchanger in the inner tank. The coil copper pipe can bear 6 bars pressure, water tank is non-pressuried. 

The water in the tank is used as the heat transfer medium, rather than using it directly. The obvious advantage is with water supplier, which can supply cold water into the tank automatically; It can be connected to pressurized system.

 

Solar water heater Feature: 


1) Designed to accept mains pressure cold water
2) Copper coil heat exchanger can be used as part of a closed or open loop system, providing heating to a main hot water tank
3) Freezing is of minimal concern for SFD series
4) Reliable, efficient, twin-glass solar tubes
5) Superior heat preservation with 50 - 65mm polyurethane tank insulation
6) Outer tank material: stainless steel plate or powder coated color steel sheet
7) Inner tank material:
a) 0.5mm thick SUS304 food grade stainless steel plate 
b) High purity copper for the heat exchanger coil 
8) Frame material: 1.2mm thick all stainless steel 
9) Collectors may be connected in series to increase water heating capacity 
10) Easy plug-in installation 11)Water supplier: supply the slowly vaporizing water in the tank in time 
12) Ideal for commercial solar water heating applications 

 

The water inlet and water outlet pipe channel connection of solar water heater:
1. Use the water directly after heating exchange through the water tank. 
 
Solar Water Heater  tank
 
2. The connection of solar water heater and Wall-mounted gas water heater (tankless).
 
The connection of solar water heater and Wall-mounted gas water heater
 
3. The connection of solar water heater with gas heating water tank or electrical heating water tank.
 
The connection of solar water heater with gas heating water tank or electrical heating water tank.
 
4. The connection of solar water heater with the water tank (which has heat exchange connectors).
 
The connection of solar water heater with the water tank (which has heat exchange connectors).
 
Scope of Application:
It is suitable for the areas where are very hot and it can reach the best efficiency when it is used near to the equator.
 
Solar water heater Notice:
1. The angle of the frame can be changed in the production process according to the virtual geographical condition of the customers. We can design the suitable angle for the customers.
2. We offer the spare accessories and tubes for your order for free.
3. We can offer the water tanks, frames, and tubes in different materials according to your request.

SFD series Solar water heaters Specifications:

Item No. Specification Tank's Capacity Tank and
solar
tubes'
Capacity
Diameter of
outside tank
Qty. of
solar tubes
Diameter of
solar tube
Length of
solar tube
SFD47155818 Ø 470mm 15pcs Ø 58mm 1.8M 130L 175L
SFD47185818 Ø 470mm 18pcs Ø 58mm 1.8M 155L 210L
SFD47205818 Ø 470mm 20pcs Ø 58mm 1.8M 170L 230L
SFD47245818 Ø 470mm 24pcs Ø 58mm 1.8M 210L 280L
SFD47305818 Ø 470mm 30pcs Ø 58mm 1.8M 260L 350L

Explanation:
1. Model explanation: Take SFD47155818 for example, “SFD” is Sunflower’s solar water heater SF-D series products, “47” means the external diameter of water tank is 470mm, “15” means the tube quantity is 15 pcs, “5818” means the vacuum tube is 1.8 meter  ф58mm.
2. Above solar water tank net capacity is ±2%.

SFDseries Solar water heaters Package and Size:

Model Size(mm)
A B C D
SFD47155818 1348 1228 1594 1655
SFD47185818 1591 1471 1594 1655
SFD47205818 1753 1633 1594 1655
SFD47245818 2077 1957 1594 1655
SFD47305818 2563 2443 1594 1655


Package: Solar Water tank, Solar Standing Frames, Solar tubes are separately packed in one carton. Cartons can be loaded into container directly.

Optional Accessories for SFD series Solar Water Heaters:

 

Item   Name Describe
1 Water Supplier
SFO180D Dai. 180mm Length 250mm 3.9 Liters 
Function: 
Used to fill the water into big water tank automatically, more convenience.
2 Solar Controller 
Display panel with Connection box
Temperature sensor and water level sensor for water tank
Electromagnetic valve for filling water
220V 50HZ/110V 60HZ
If you choose this, you do not need water supplier
 
3 Magnesium Rod
For the solar water heater with SFVA5818 glass vacuum tubes, length: 200mm
Function: Improve the water quality and prolong the life time of watet tank
4 Electric Heater
Voltage/Frequency: 220V 50HZ / 1KW-2.5KW
Screw Plug----3/4 inch
Function: Backup heating in rainy or cloudy days
5 Ball Valve Function: As a switch in system
6 Constant Temperature Mixing Valve Function: It is used to mix cold water and hot water of system, to avoid the potential danger when the outlet hot water temperature is too high. You could set the temperature by yourself, bring you more comfortable bath in warm water, and energy saving.
Note: Voltage range 110 V ~ 240 V, frequency 50 Hz or 60 Hz, plug can be selected for the specifications of your country.