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7651255 - v.01 - 23052016

10

HFS 650 / HSF 700

4 Installation

4 Installation

4 .1  Installation instructions

All aspects of the installation must be carried out in accordance with the 

current regulations for work performed and technical systems in private, 

public or other buildings.

Attention

The installation must be carried out in accordance with the current 

regulations, best practices for technical work, and the instructions in 

this manual.

4 .1 .1 Domestic water quality

Self-cleaning effect

Boilers with corrugated stainless steel coil for heating of domestic water 

are insusceptible to deposits of pure lime (pure calcium). Pressure 

differences in the pipe during opening and closing of the taps cause 

pressure surges in the corrugated stainless steel coil. This causes the coil 

to stretch slightly and then contract again.
These movements in the coil are sufficient to cause ‘normal’ lime deposits 

(calcium) to flake off. The dissolved lime is flushed away when a tap is 

opened.

Attention

This self-cleaning effect of the corrugated stainless steel coil in HFS 

boilers is no longer sufficient when in addition to the lime (calcium) 

there are also other substances such as free carbonic acid and 

magnesium present in the water. When lime and free carbonic acid 

are present in the water, these substances react to form ‘scale’. 

The presence of magnesium in the water at a filling temperature 

> 60 °C promotes the formation of scale. 
Boiler scale, in contrast to lime, is not broken loose by the self-

cleaning effect of the corrugated stainless steel coil but rather forms 

larger deposits. When the pressure is relieved from the corrugated 

stainless steel coil in the boiler, during maintenance for example, 

boiler scale in solid form may break loose and clog the coil (heat 

exchanger).

For domestic water containing these substances, the corrugated stainless 

steel coil must be inspected regularly and decalcified with a softening 

agent as necessary or a decalcification system must be installed in the 

cold water supply line of the HFS domestic water boiler. 

Summary of Contents for HFS 600

Page 1: ...HFS 600 750 Installation and service manual Powerful domestic water boiler Great Britain en...

Page 2: ...using the product and keep it in a safe place for future use To ensure continued safe and proper operation we recommend having the product serviced regularly Our service and customer service organisat...

Page 3: ...nnections on the domestic water side 21 4 7 1 Special precautions 21 4 7 2 Combination inlet group 21 4 7 3 Shut off valves 21 4 7 4 Cold water domestic water connection 21 4 7 5 Tap water mixing valv...

Page 4: ...sonal injury Attention Chance of property damage Explanation Attention important information See Reference to other manuals or other pages in this manual HW hot water 1 2 General information Congratul...

Page 5: ...e must be performed by a competent technician and in accordance with the applicable legal requirements and supplied instructions Attention Heating water and domestic water may not come into contact wi...

Page 6: ...or white outer covering Incl thermometer met immersion sleeve 3 2 Technical data Type HFS 600 750 Buffer vessel Nominal volume Litre 620 750 Max operating overpressure bar 6 6 Max operating temperatur...

Page 7: ...r Q Q Situation 1 Heating boiler collector circuit S2 Solar boiler sensor Stb Boiler sensor Q Q Situation 2 Only heating boiler HW Boiler sensor Q Q Situation 3a Charging via the solar energy installa...

Page 8: ...a separate recirculation buffer with a flow rate loss of more than 250 l hr see ISSO publication 55 1 section 4 2 3 Thermal management concept Thermostat x C S2 Solar boiler sensor Stb Boiler sensor Q...

Page 9: ...HSF 700 Q Q Situation 3 Recirculation without collector circuit at a flow rate loss of more than 250 l hr see ISSO publication 55 1 section 4 2 3 Thermal management concept HW Boiler sensor WW KW L00...

Page 10: ...dissolved lime is flushed away when a tap is opened Attention This self cleaning effect of the corrugated stainless steel coil in HFS boilers is no longer sufficient when in addition to the lime calc...

Page 11: ...valves makes it possible to shut off the cold and hot water lines empty and inspect the corrugated stainless steel coil in the HFS boiler and flush it with a suitable flushing agent if necessary Afte...

Page 12: ...1631 750 HFS 750 W 1418 1547 1561 231 405 646 1061 1844 750 4 Installation a Domestic hot water outlet R 1 1 4 corrugated stainless steel coil b Heating boiler supply R 1 1 4 c Heating boiler return...

Page 13: ...st be inserted in the hot water outlet over a length of at least three meters and connected to the return line of the recirculation line and the cold water supply of the thermostatic tap water mixing...

Page 14: ...practices for technical work and the instructions in this manual Danger of electric shock Solar collectors must be protected against lightning strikes and be earthed Stb WW S2 M001070D M001071C S2 St...

Page 15: ...15 7651255 v 01 23052016 HFS 650 HSF 700 4 Installation Fit a manual bleed valve...

Page 16: ...eter R1 2 13 Manual air bleed Rp 1 2 not included 14 2nd supply solar connection R 3 4 15 Immersion sleeve 7 mm S2 Boiler sensor bottom HFS vessel in no 9 TB boiler sensor part no S43 946 CH boiler in...

Page 17: ...Supply to boiler 4 Return to boiler S1 Collector sensor S3 Primary sensor plate heat exchanger S9 Primary sensor return R1 Primary solar pump R3 Secondary solar pump Legend P vessel 1 Air bleed not in...

Page 18: ...1 4 8 Solar return CH boiler return line without collector circuit 1 1 4 9 10 11 immersion sleeve 16 mm 12 Thermometer R1 2 13 Manual air bleed Rp 1 2 not included 14 2nd supply solar connection R 3...

Page 19: ...ation collector DKC 1 Supply solar collector 2 Return solar collector 3 Supply to boiler 4 Return to boiler S1 Collector sensor S3 Primary sensor plate heat exchanger S9 Primary sensor return R1 Prima...

Page 20: ...n line without collector circuit 1 1 4 9 10 11 immersion sleeve 16 mm 12 Thermometer R1 2 13 Manual air bleed Rp 1 2 not included 14 2nd supply solar connection R 3 4 15 Immersion sleeve 7 mm S2 Boile...

Page 21: ...es it is possible to perform maintenance on the boiler and the components without having to empty the entire system Moreover these shut off valves make it possible to isolate the domestic water heatin...

Page 22: ...ler The installation must be carried out in accordance with the applicable technical guidelines 4 8 2 Collector circuit on the boiler side See Manual accompanying the solar energy station 4 9 Electric...

Page 23: ...e forces the liquid out of the collector and into the expansion vessel provided for this purpose This all happens very quickly without noise and without steam pressure The solar energy system is now e...

Page 24: ...nsulation mm Type Manufacturer Boiler Type Solar energy station Installation integrated in the collector Other Solar heat transfer fluid LS Other solar fluid Volume in litres Installation pressure bar...

Page 25: ...l heating Boiler circuit C Components on the roof All mounting screws tightened yes All plumbing connections checked no leaks yes Solar energy station Correctly connected to the supply and return line...

Page 26: ...7651255 v 01 23052016 26 HFS 650 HSF 700 6 Commissioning report 6 6 Remarks Place Date Customer s signature Technician s signature...

Page 27: ...eeze protection checked C No leaks Visual inspection Collector OK OK Pipe OK OK Solar energy station OK OK Domestic water heating OK OK Control station Verification of operation OK Collector temperatu...

Page 28: ...tallation checked Functional inspection OK must be replaced Swimming pool C Biomass C Min temp Sp C Min temp boiler C Max temp Schw C Max temp Sp C Tin C Tin C Tuit C Tuit C Place Date Customer s sign...

Page 29: ...29 7651255 v 01 23052016 HFS 650 HSF 700 7 Maintenance report...

Page 30: ...7651255 v 01 23052016 30 HFS 650 HSF 700 7 Maintenance report...

Page 31: ...formation contained in these technical instructions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Spe...

Page 32: ...7651255 v 01 23052016 REMEHA BV Kanaal Zuid 110 NL 7332 BD Apeldoorn THE NETHERLANDS Tel 31 55 5496969 Fax 31 55 5496496 Internet www remeha nl E mail remeha remeha com...

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