Ecosolar Solar Hot Water System Installationsanleitung

Solar Hot Water System Installation Guide

 EcoSolar Energy Conscious Design Limited 6 Figure 4 “One Shot” Backup heating controller, allows manual control of the backup heating. The heati

 EcoSolar Energy Conscious Design Limited 7system and automatically switches the wetback pump on only when there is heat available in the wetback

 EcoSolar Energy Conscious Design Limited 8 Figure 6. EcoSolar drainback solar preheat system c/w boiler heated booster cylinder

 EcoSolar Energy Conscious Design Limited 9 In summary the solar water heating system must be promoted with the correct level of savings else, it

 EcoSolar Energy Conscious Design Limited 10be confirmed and the valve replaced if there is any doubt over its operation and correct function. Th

 EcoSolar Energy Conscious Design Limited 11drain the contents of the tank to solve the problem. If the glycol is replaced, it should be drained

 EcoSolar Energy Conscious Design Limited 12close after the water has warmed up, this results in excess water usage. The valves are susceptible t

 EcoSolar Energy Conscious Design Limited 13Cylinders There are many options for hot water cylinders. Low pressure Low pressure copper cylinders

 EcoSolar Energy Conscious Design Limited 14operate as a direct (open loop) system, that is, the water contained within the cylinder that is draw

 EcoSolar Energy Conscious Design Limited 15Thermosyphon systems Thermosyphon systems do not have pumps and operate on the principle of warm wat

 EcoSolar Energy Conscious Design Limited E C O S O L A R Solar Hot Water Heating Installation Guide  Energy Conscious Design Li

 EcoSolar Energy Conscious Design Limited 16System Types There are two overall types of thermal hot water systems; • Direct System • Indirect S

 EcoSolar Energy Conscious Design Limited 17• open vented, a vent pipe will extend from the cylinder through the roof and terminate some distanc

 EcoSolar Energy Conscious Design Limited 18Symbols CIRCULATINGPUMPTEMPERING VALVEPRESSURE RELIEFVALVE TO TUNDISHSTRAINERISOLATINGVALVENON RETURN

 EcoSolar Energy Conscious Design Limited 19 Figure 8 above shows an open loop solar hot water installation retrofitted on to a cylinder with on

 EcoSolar Energy Conscious Design Limited 20 Figure 9 Mains pressure open loop solar hot water installation, using side entry connectio

 EcoSolar Energy Conscious Design Limited 21Indirect or closed loop systems Many indirect or closed loop systems have historically been systems u

 EcoSolar Energy Conscious Design Limited 22 Figure10 Closed loop glycol based system with single pump and heat exchanger in the DHW cylinder.

 EcoSolar Energy Conscious Design Limited 23Indirect drainback system Drainback systems are often seen to be the most flexible and reliable syste

 EcoSolar Energy Conscious Design Limited 24 Figure 11 Closed loop drainback system with single pump and heat exchanger in the DHW cylinder.

 EcoSolar Energy Conscious Design Limited 25 Figure 12 Retrofit indirect drainback system with twin pumps.

 EcoSolar Energy Conscious Design Limited Table of Contents Thank You 1 Selling the benefits of SWH 1 Selecting the m

 EcoSolar Energy Conscious Design Limited 26Thermosyphon systems Thermosyphon systems do not have pumps and operate on the principle of warm wate

 EcoSolar Energy Conscious Design Limited 27General Installation Pipework All pipework shall be copper and completed in a neat and economical lay

 EcoSolar Energy Conscious Design Limited 28• The pump shall be installed in the flow to the solar collector pipework, i.e. colder pipework. •

 EcoSolar Energy Conscious Design Limited 29Solar collector location NOTE The solar collector is to be installed with the vent holes at the botto

 EcoSolar Energy Conscious Design Limited 30Location Geographic north is (X) degrees west of magnetic north, as shown by a compass (X for locat

 EcoSolar Energy Conscious Design Limited 31Solar collector mounting The collector fixings shall be mad in accordance with the NZBC, G12, AS2 or

 EcoSolar Energy Conscious Design Limited 32 Figure 14 Fixing method to corrugated iron and long run, pan or deep trough roofing.

 EcoSolar Energy Conscious Design Limited 33Tiled roofing For tiled roofs, install the kitset collector fixings. This kitset consists

 EcoSolar Energy Conscious Design Limited 34 Figure 15 Fixing method to tiled roofing

 EcoSolar Energy Conscious Design Limited 35Flat roof or to increase or decrease collector inclination from roof pitch The concept for increas

 EcoSolar Energy Conscious Design Limited Collectors inclined across roof pitch 36 Maximising the benefit from solar hot Water 37 System Contr

 EcoSolar Energy Conscious Design Limited 36Collector inclined across roof pitch This type of installation requires specific design for t

 EcoSolar Energy Conscious Design Limited 37Maximising the benefit from solar hot water Following these recommendations will further enhance

 EcoSolar Energy Conscious Design Limited 38The monitoring of the water temperature in the top of the cylinder is a beneficial feature as it allo

 EcoSolar Energy Conscious Design Limited 39 Figure 19 EcoSolar UVR61R3 controller • Ecosolar “OneShot”, this backup heating controller is insta

 EcoSolar Energy Conscious Design Limited 40Pumped Systems In addition to the control requirements of the thermosyphon systems, pumped solar syst

 EcoSolar Energy Conscious Design Limited 41The pumps are installed and set to the high speed (3 on Grundfos) setting. The pump will then always

 EcoSolar Energy Conscious Design Limited 42the water pressure and the temperature, for the water to boil and lead to cavitation which can damage

 EcoSolar Energy Conscious Design Limited 43 Figure 21 Latest generation EcoSolar controller is able to automatically control a solar system to

 EcoSolar Energy Conscious Design Limited 44A heat dump may be an external heat exchanger, such as a fin and tube located under the South facing

 EcoSolar Energy Conscious Design Limited 45 Figure 23. Low pressure drainback system with header tank. Mains pressure drainback with receiver

S O L A R H O T W A T E R I N S T A L A L T I O N G U I D E  EcoSolar Energy Conscious Design Limited 1 Thank you Thank you for choosing

 EcoSolar Energy Conscious Design Limited 46 Figure 24. Mains pressure drainback system using a closed loop system Mains pressure hot water drai

 EcoSolar Energy Conscious Design Limited 47 Figure 25. Mains pressure hot water drainback system using a heatstore cylinder Reliability As a s

 EcoSolar Energy Conscious Design Limited 48The first and most popular method is for the occupants to monitor the temperature within the hot wate

 EcoSolar Energy Conscious Design Limited 49to achieve. Another option, although having a greater capital cost, is to install a prehe

 EcoSolar Energy Conscious Design Limited 50 Periodic Maintenance To ensure correct system operation and to retain the system and component Warra

 EcoSolar Energy Conscious Design Limited 51• Replace cylinder sacrificial anodes • Clean out strainers • Check pump and differential controller

 EcoSolar Energy Conscious Design Limited 52• Guarantees • Code of Compliance and • Other relevant certificates and information Structural St

 EcoSolar Energy Conscious Design Limited 53Initial wiring • The reverse of the front plate has a wiring diagram, however remember that when the

 EcoSolar Energy Conscious Design Limited 541. With the screen displaying the sensor T1 temperature, use the right hand arrow to scroll thro

 EcoSolar Energy Conscious Design Limited 55temperature as recommended by the cylinder manufacturer, in many cases for mains pressure

 EcoSolar Energy Conscious Design Limited 2supplied to the hot water cylinder. The efficiency of a system is often overstated or misinterpreted,

 EcoSolar Energy Conscious Design Limited 5613. Now press the right hand arrow, once CODE32 is displayed press the right hand arrow and

 EcoSolar Energy Conscious Design Limited 5720. Now press the right hand arrow 21. F Check is displayed, this needs to be turned on, press the

 EcoSolar Energy Conscious Design Limited 58controller turns on the pump to circulate water from the cylinder to the collector to raise the colle

 EcoSolar Energy Conscious Design Limited 59 Please note that the above will limit but not prevent Legionella from establishing its self in the h

 EcoSolar Energy Conscious Design Limited 60turns on the pump to circulate water from the cylinder to the collector to raise the collector temper

 EcoSolar Energy Conscious Design Limited 61button on the EcoSolar “One Shot” controller. This controller will heat the water and automatically t

 EcoSolar Energy Conscious Design Limited 3 Figure 1 Thermosyphon system Figure 2 Indirect pumped drainback system

 EcoSolar Energy Conscious Design Limited 4 Figure 3. EcoSolar 12Volt UVR61 controller Basics of system sizing As a rule of thumb solar hot wa

 EcoSolar Energy Conscious Design Limited 5adequately managed to maximise energy savings and to ensure that excess heat is not provided to the cy