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nilan LMC 223, Инструкция по установке и эксплуатации

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Page 25 of 33 

 

Leakage 

The pressure is too low in the ground pipes/ground source loop. This may mean that the ground 
pipes are leaking. 
 
Check the following: 

1.  Are all cocks open that should be open? 
2.  Is there enough brine in the system? Top up if necessary. 

 
Check 1 

– 2 and correct the fault. Acknowledge the alarm by pressing the knob in the Alarm sub-

menu when the alarm is displayed. Call a service technician if you cannot locate the fault yourself. 
 

 

Содержание LMC 223

Страница 1: ...JVP 3 Version 6 00 14 09 2012 Software 1 11 This guidance applies to JVP 3 740023 SW 1 09 Installation and User Guide LMC 223 by Nilan...

Страница 2: ...us 15 Main Menus 15 Function Description 20 Heat pump compressor 20 Frequency controlled compressor variable capacity 20 Ground pipe and brine 20 Condenser and heating circulation pump 20 Permitted ar...

Страница 3: ...re 3 LMC 223 Control Unit 13 Figure 4 Curve Selection for external temperature compensation 22 Figure 5 Structural ground source pump system diagram 27 Figure 6 Example of layout of ground pipes in a...

Страница 4: ...dealer Find your local dealer here www nilan dk forhandlere Control of the system is via a NILAN LMC 223 control unit which offers a wide range of functions for example menu driven control summer wint...

Страница 5: ...eating and brine ground source loop Safety valves for central heating and brine ground source loop Low and high pressure cut off switches for compressor Pressure guard brine loop ground pipe mandatory...

Страница 6: ...a low temperature in the brine to a higher temperature in the central heating system Circula tion pumps 8 maintain flow in both the ground pipe loop 3 and the central heating floor heating loop 10 Th...

Страница 7: ...ntral heating loop and the ground source loop have been ventilated The central heating circuit has an excess flow valve or other circulation which ensures the flow see Figure 5 no 28 Check list for br...

Страница 8: ...ol The heat pump is equipped with a low pressure switch which ensures that the brine never be comes so cold that it freezes solid and thus the ground source heat pump s heat exchanger is protected aga...

Страница 9: ...ved Page 9 of 33 item 18 and 19 By means of a combined filling and venting tank the brine loop is filled through the filler tap until the loop is compeletely full Figure 5 Structural ground source pum...

Страница 10: ...All rights reserved Page 10 of 33 item 13 Duration minimum 1 hour The shutter tap at the cirkulation pump in the brine loop Figure 5 Structural ground source pump system diagram...

Страница 11: ...diately if you suspect leakage Water pressure in the central heating loop The water pressure in the central heating loop must initially be inspected as often as several times a day Top up the system w...

Страница 12: ...cient to check the filter twice a year Cleaning the dirt filters Switch off the heat pump at the main switch Close the shut off valves on each side of the filter Pull out filter and rinse until clean...

Страница 13: ...light in the display is illuminated when the unit is being operated The light switches off after 30 seconds if the unit is not activated by the user The control unit will revert to the start screen s...

Страница 14: ...e until the service menu is displayed Press the knob to activate the service menu Turn the knob until the LANGUAGE menu is shown in the display Press the knob The text in the display flashes Turn the...

Страница 15: ...user function HEATING has been choice in SELECT in the SERVICE summer winter mode is chosen by an external signal on digital input DI4 Main Menus Parameters in blue text below can be adjusted by auth...

Страница 16: ...ST DIFF 40 Compressor start difference shown only when RPM compressor level selected U MIN 25 Minimum voltage to frequency converter shown only when RPM compressor level selected U MAX 100 Maximum vo...

Страница 17: ...l heating temperature is 30 C to 45 C By TEMP CTR AMB COMP will restrict the central heating temperature downwards and must therefore be adjusted the curve T HEAT MAX 45 C The maximum permitted setpoi...

Страница 18: ...al heat pump system DEFROST CAP 80 Not a function of Geothermal heat pump system NUM HG 0 Not a function of Geothermal heat pump system NUM AIR 0 Not a function of Geothermal heat pump system LAST DE...

Страница 19: ...ser function in digital input DI4 NONE DEFROST COOL DELAY HEATING MANUAL Manual activation of relay outlets ACTIVATE NO Activation of manual operation NO YES COMPRESS OFF Start compressor OFF ON AUX O...

Страница 20: ...nder 10 If the compressor continues to start stop at short intervals it may be necessary to set a wider neu tral zone in the CENTRAL HEAT NEUTRAL ZONE Menu Ground pipe and brine The brine pump always...

Страница 21: ...zone The sys tem thus ensures that the heat pump supplies the greatest share of energy At the same time the user even during extraordinary demand is ensured a well defined comfort The heat pump is de...

Страница 22: ...is of these temperatures the central heating temperature is determined by interpolating between the points for a given outside temperature see Figure 4 For outside temperatures under 20 C and over 20...

Страница 23: ...nsors or system components can of course render this protection inef fective When the outside temperature falls below 2 C the central heating circulation pump will start With that any spaces under the...

Страница 24: ...ting too slowly Possible causes 1 Dirt filter in the central heating system is clogged 2 There is air in the central heating system ventilate the system 3 There is insufficient water in the central he...

Страница 25: ...und pipes are leaking Check the following 1 Are all cocks open that should be open 2 Is there enough brine in the system Top up if necessary Check 1 2 and correct the fault Acknowledge the alarm by pr...

Страница 26: ...essor auxiliary heating takes over heat ing Low pressure alarm The heat pump will start auto matically two minutes after the alarm has disappeared 33 HIGH PRS W Stop compressor auxiliary heating takes...

Страница 27: ...All rights reserved Page 27 of 33 Installation Figure 5 Structural ground source pump system diagram...

Страница 28: ...ith software version 1 10 of LMC223 this works as an external summer winter shift In the controller menu SERVICE SELECT USER FUNK can be select HEATING When HEATING is chosen you make and extreme chan...

Страница 29: ...All rights reserved Page 29 of 33 Figure 6 Example of layout of ground pipes in a collector Figure 7 Example of layout of ground pipes with collection inside footing...

Страница 30: ...lling them with brine Calculate pumping time for filling the system at an established pumping rate It will not take less than the calculated pumping time to fill the system with brine Prevent air from...

Страница 31: ...pe N A Brine concentration N A The brine concentrationen freezing temperature registered 20 C til 18 C N A C The brine is properly mixed prior to filling of the circuit The brine cicuit is purge of ai...

Страница 32: ...s mounted correctly and has correct opening pressure The is a bypass which ensures a sufficient flow through the condenser eliminates HP cut out The circulation pump must be dimensioned for the specif...

Страница 33: ...case a remote running signal from the heat sys tem is used connection must be made and heat pump controller configured for this Supplementing electrical heating element is acti vated if required after...

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