DIY Heat Bank

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This article is about DIY Heat Banks.

Here's one we made earlier ...

DIY heat bank.jpg

Components

Normal Y-plan (or S-plan, W-plan etc) vented CH+DHW system with

  • Direct HW cylinder
  • Pump (standard 15/50 CH circulator type)
  • Plate Heat Exchanger (PHE)
  • Thermostatic Mixing Valve (TMV) 22mm
  • Flow switch wired to switch on pump when flow is detected

PHE

From:

 GEA-Ecoflex
 Unit 8, Waterside Business Park
 Redwall Close
 Dinnington-Sheffield
 S25 3QA
 Tel.: +44-(0)1909 551 107
 Fax: +44-(0)1909 550 885
 e-mail: info.uk@gea-ecoflex.com

Copper brazed plate heat exchanger model:- BP12M-20-G1G1

Spec

Compact gasket-free Brazed Plate Heat Exchanger consisting of corrugated pressed stainles steel plates (1.4401), which are brazed together with copper in a special vacuum process. Designed, produced and tested in sites with quality systems in accordance with DIN ISO 9002 requirements. Pressure-Vessel Approval according TÜV and EC Pressure-Equipment-Directive (CE).

Specification for 1 x M12-20-GG
Operational data: Side A Side B
Media: Water Water
Condition: liquid liquid
Heat exchanged: 50 kW
Mass flow:
Volume flow: 0.64 0.24 l/s
Temperature inlet: 82 10 °C
Temperature outlet: 63 60 °C
Pressure drop: 29.65 3.91 kPa
Surface margin: 1.49 %
Content: 0.5 l
Heat transfer area: 0.22
Design pressure: 30 bar
Design temperature: 200 °C