Pressurized Thermosiphon Solar Water Heater(Closed-Loop)

FS-PTSJ Series is the pressurized thermosiphon closed-loop system with jacket exchanger located at the inner water tank’s surface. The solar heat is transferred to the anti-freezing fluid in the collector and the heat is exchanged form collector to the jacket exchanger, then it is passed to the water inside the tank. In this case, the potable water supply is isolated  from the flat collector to provent freezing and clogging. The supplementary energy is electric booster. If the solar energy is not enough, the electric booster can work to ensure you always have hot water on tap.


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System Features:
* With simple and compact structure for easy installation
* The water tank adopts indirect circulation with jacket tank, thoroughly solving the problem of freezing and corrosion
* With snowmelt and anti-freezing function, suitable to be used in the cold area in winter
* Thermosiphon indirect system wihtout pump station,simple but save more electricity and low maintenance.
* Controlled by microcomputer, with automatic water feeding and anti dry burning electric auxiliary heating
* Pressurized system with vitreous enamel inner tank, corrosion resistance ,impact resistance ensure long service life
* Operation under pressure ensure comfortable shower
* Polyurethane insulation layer with well-distributed and tight foaming
* Suitable for freezing and harsh water area

Features 
Stylish streamline design
Reliable electric booster with thermal cut-out
closed loop circulation
Suitable to be uesd in frost areas and harsh water areas
The inner tank coated with vitreous enamel for long life
High-efficient solar collector for optimum heat absorbtion

Benefits
Reliable, low maintenance operation
Always hot water on tap at any weather
Can qualify for valuable government environmental incentives
Saving at least 60% of your water heating energy consumption

How it works?

In this system,a jacket is located at the water tank and connected to the absorber.The sun' heat is transferred to a anti-freezing fluid in the collector and the heat is exchanged form collector to the jacket and heat the water in tank.In this case, the potable water supply is isolated  from the absorber plate to provent freezing and clogging.The supplementary energy is electric heater and if the water is not hot enough, the electric heater can work to ensure you always have hot water on tap.




Model No.

FS-PTSJ-150

FS-PTSJ-200

FS-PTSJ-300

Water Tank with Jacket         

Circulation Type

Pressurized closed loop

Pressurized closed loop

Pressurized closed loop

Tank capacity 

150L

200L

300L

External dimensions   

Φ555*1205mm

Φ555*1545mm

Φ555*2200mm

Heat exchanger volume

8.6L

12L

18.6L

Jacket heat exchange area        

1.2㎡

1.7㎡

2.5㎡

Electric booster

1.5kw

1.5kw

2.5kw

Anti-corrosion protection

¢20mm magnesium anode

Jacket heat exchanger materials

1.0mm thick mild steel

Inner tank materials

BTC245 mild steel with enamel coating

Outer tank materials

Color-coated galvanized steel

Insulation materials

High density polyurethane

Thermostat

Probe type (adjustable 20℃-85℃)

heat exchanger pressure relief valve

>1bar

P&T valve

Release at 7bar/ 95℃

Cold and hot water connection

3/4" BSP male

Weight empty(kg)

70

85

120

Weight (filled) kg

240

310

450

Solar Collector

Overall area

2㎡ x 1pcs

2.5㎡ x 1pcs

2㎡ x 2pcs

Dimension L x W x T   

2000 x 1000 x 95mm     

2000 x 1250 x 95mm 

2000 x 1000 x 95mm

Overall area

2㎡ x 1pcs

2.5㎡ x 1pcs

2㎡ x 2pcs

Absorber material

Full aluminium sheet

Absorber coating

Blue or Black chrome selective coating

Welding

Laser welding

Cover material

3.2mm  thick low iron tempered textured glass

Mounting Bracket

Material

Aluminium Alloy & Stainless Steel  or  Painted Galvanized Steel

Bracket type

A: For flat roof        B: For tilted roof

Fittings and piping

Compression fittings

Φ22mm*G3/4"

T/P Valve

7bar/95℃

Controller

Controller

Automatically control the electric booster and monitor the water temperateure

Filled liquid

volume needed but not provided by manufacture

≤8L

≤10L

≤15L

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