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reserve the right to make changes

 

 

Page 2 of 40 

 

Table of contents 

Table of contents ............................................................................................................................ 2

 

General information before starting installation ............................................................................... 3

 

Safety ............................................................................................................................................. 4

 

Compact P ...................................................................................................................................... 5

 

The function .................................................................................................................................... 5

 

Installing Compact P ....................................................................................................................... 6

 

Condensation drain/water trap ........................................................................................................ 9

 

Water connection .......................................................................................................................... 10

 

Power supply ................................................................................................................................ 12

 

Duct connection ............................................................................................................................ 13

 

Supplementary heating element DHW .......................................................................................... 14

 

Fault finding .................................................................................................................................. 15

 

Operation and maintenance ......................................................................................................... 16

 

Energy-saving tips for the optimal operation ................................................................................. 18

 

GEO 3 + GEO 6

 ........................................................................................................................... 19

 

System construction ..................................................................................................................... 19

 

Connection the heat pump ............................................................................................................ 20

 

Operation and maintenance ......................................................................................................... 21

 

Starting the heat pump .............................................................................................................. 21

 

Pressure in ground source loop (ground pipe)........................................................................... 22

 

Filling the ground source loop with brine ................................................................................... 22

 

Water pressure in the central heating loop ................................................................................ 22

 

Filling water in the central heating loop ..................................................................................... 23

 

Dirt filters in central heating and ground source loops ............................................................... 23

 

Maintenance and Warranty ....................................................................................................... 23

 

Function Description ..................................................................................................................... 24

 

Heat pump compressor ............................................................................................................. 24

 

Frequency-controlled compressor (variable capacity) ............................................................... 24

 

Ground pipe and brine .............................................................................................................. 24

 

Condenser and heating circulation pump .................................................................................. 24

 

Permitted area of action for the heat pump ............................................................................... 25

 

Auxiliary heating ........................................................................................................................ 25

 

Central heating.......................................................................................................................... 25

 

Frost protection ......................................................................................................................... 27

 

Event log Menu ............................................................................................................................ 28

 

High pressure alarm .................................................................................................................. 28

 

Low pressure malfunction ......................................................................................................... 28

 

Leakage .................................................................................................................................... 29

 

Installation .................................................................................................................................... 30

 

Electrical connection GEO 3 ..................................................................................................... 33

 

The heat pump must be connected to electrical installation by an authorised electrician. .......... 33

 

Electrical connection GEO 6 ..................................................................................................... 33

 

The heat pump must be connected to electrical installation by an authorised electrician. .......... 33

 

Floor heating loop ..................................................................................................................... 33

 

Ground source loop .................................................................................................................. 34

 

Testing for leaks: ....................................................................................................................... 36

 

Brine filling ................................................................................................................................ 36

 

Safety ground coil system ......................................................................................................... 36

 

Isolation of the tubes ................................................................................................................. 36

 

Drainage and collection tray ...................................................................................................... 36

 

Disposal of the heat pump ........................................................................................................ 36

 

Check list for brine/water pump system at start-up and commissioning ........................................ 37

 

Accessories / spare parts ............................................................................................................. 40

 

 

Summary of Contents for Compact P GEO 3

Page 1: ...We reserve the right to make changes Page 1 of 40 Compact P GEO 3 Compact Polar GEO 6 Version 1 02 01 06 2016 Installation and maintenance CTS 700 by Nilan ...

Page 2: ...ound source loops 23 Maintenance and Warranty 23 Function Description 24 Heat pump compressor 24 Frequency controlled compressor variable capacity 24 Ground pipe and brine 24 Condenser and heating circulation pump 24 Permitted area of action for the heat pump 25 Auxiliary heating 25 Central heating 25 Frost protection 27 Event log Menu 28 High pressure alarm 28 Low pressure malfunction 28 Leakage ...

Page 3: ...h a capacity of up to 330m3 h at 100Pa exter nal counter pressure The system prioritises first the heat pump second a 180 litre hot water tank and then intake air The geothermal heat pump GEO is intended for heating homes with low temperature heating sys tems with flow temperatures up to 45 C Before the establishment of a geothermal system it is important to obtain any potential permis sions and a...

Page 4: ...entral heating 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 environmental pressure switch Minimum frost thermostat cuts off the heat pump if the temperature becomes too low in the brine loop The heat pump must be subjected to appropriate servicing in ...

Page 5: ...w exchanger followed by a heat pump with a reversible cooling circuit The unit draws the warm and humid air from moisture strained spaces such as bathrooms kitch ens and utility rooms The heat in the exhaust air flows through the counter flow exchanger where it heats the fresh air and blows it into the rooms of the property after The energy that has not been utilized in the counter flow exchanger ...

Page 6: ...tant that the straps have an angle of maximum 45 C off perpendicular Individual connectors have been marked out at the factory to facilitate installation Please note the attached labels The connectors should be connected to the duct system using flexible adapters flex tube soundproofed flex tube or similar Figur 2 Duct Connections 1 Ø160 Udeluft Aussenluft Fresh air Air frais 2 Ø160 Tilluft Zuluft...

Page 7: ...ed to ad joining parts of the building The rear angular slide bar of the base frame of the Compact P can be removed in order to make it possible to push the unit towards the wall to hide water connections etc It is important that the condensation outlet of the Compact P be connected to a drain The unit is supplied complete with water trap The outlet should be led frost free with steady decline to ...

Page 8: ...ng surface T9 On residual heat surface T11 Top of container T12 Bottom of container TPanel CTS700 control panel T13 Brine flow T14 Brine return T16 Central heat before condenser T17 Central heat forward motion T18 Buffer tank forward motion T20 Outside temperature T21 Hot water tank top T22 Hot water tank bottom T23 Evaporation temperature TPanel CTS700 control panel Figur 4 Location of temperatur...

Page 9: ... water trap The condensation outlet must be led frost free with a steady decline of at least 1 cm m to the nearest drain The safety valve overflow must also be led to a drain In order to prevent ice formation it may be necessary to equip the condensation outlet with a heating cable where frost is possible Protecting the condensation outlet from frost is the responsibility of the fitter ...

Page 10: ...h a hot water circulation system Simply fit a return valve to the tank s circulation connector If hot water circulation is not required the connector and fitted blanking plug should be left un touched Hot water circulation may result in considerable heat loss within the piping system A large propor tion of heat pump output may therefore be lost To prevent heat loss circulation and hot water pipes ...

Page 11: ...lationrohr Circulation pipe connection Branchement à tuyeau de circulation 2 Varmtvandsudtag Warm Wasser Hot water connection Sortie eau chaude 3 Koldt vandsindtag Kalt wasser Cold water connection Alimentation eau froide 4 Retur suppleringsspiral Rücklauf Sol Return supplementary coil Retour échangeur supplémentaire 5 Fremløb suppleringsspiral Vorlauf Sol Inlet supplementary coil Alimenration éch...

Page 12: ...rol in the unit with cable type cat 5e twisted in pairs Maximum length 20m The CTS 700 panel must be placed dry and frost proof The panels integrated feeler prevents fur ther cooling of the building if the primary heat supply stops by stopping the ventilation if the panel feeler gets below a specific value Factory setting is 10 C the value can be set from 1 20 C Figure 7 CTS 700 control If a water...

Page 13: ...lating material be used If ducting is installed in an unheated room it is inadvisable to switch the system off for prolonged periods as air from heated rooms will rise into the ducting and condensate thus possibly causing moisture problems Figur 8 Insulation of ducting The discharge duct leads the exhaust air from which the system has recovered the energy it con tained to the outside through the r...

Page 14: ...ementary heating element of 1 5kW The heating element can be activated and de activated via the CTS 700 control see the Settings Compac DHW settings menu The temperature at which the heating element should be active T11 can be set in the Settings Compac DHW settings menu see Directions for use of the CTS 700 control ...

Page 15: ... lower than 6 C Compact P is operating but there is no hot water Check whether the tank has been emptied of hot water If the system is equipped with a circulation pump but the circulation circuit has not been insulated considerable heat loss may result significantly reducing Compact P capacity Has the required water temperature T12 Not directly T12 been set correctly in the CTS controls Usually wa...

Page 16: ...node must be checked to ensure that monitoring of the anode is intact o The wire yellow green is dismantled at the anode This produces the Anode fail o The wire yellow green is reassembled at the anode Delete the alarm in the event log reset Delete is only for installation contractors The hot water tank can corrode if the anode is left unchanged The intake should be inspected and any uncleanness s...

Page 17: ...We reserve the right to make changes Page 17 of 40 Figur 10 Safety Switch Tilbehør Zubehör Accessories Accessoires ...

Page 18: ...he auxiliary heating element should be cut off and only be used at very large hot water demands Please see CTS 700 directions The ventilation speed should not be set higher than necessary Avoid hot water circulation Spread out the bathing times as the Compact P needs 6 7 hours to heat the 180L water Insulate the ducting as prescribed Do not cool during winter time ...

Page 19: ...transfer energy from 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 The heat pump consists of an evaporator 4 compressor 5 condenser 6 and an expansion valve 7 These elements are connected and filled with a refrigerant in a closed cycle in a closed s...

Page 20: ...We reserve the right to make changes Page 20 of 40 Connection the heat pump Lable attached at the heat pump ...

Page 21: ...g 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 13 point 28 Check list for brine water pump system at start up and commissioning must be reviewed before starting The heat pump can then be switched on at the safety switch The heat pump is shut off at the safety switch Figure 12 GEO ins...

Page 22: ...lure to do so increases the risk of the heat pump freezing thus creating a potential risk of frost damage Brine may only be added topped up by an authorised technician Before loading check that the ground coils are tight How to fill brine into the ground source loop before start The heat pump and circulation pump is switched off at the main switch before filling brine anti freeze in the system The...

Page 23: ...e sufficient to check the filter twice a year Cleaning the dirt filters o Switch off the heat pump at the main switch o Close the shut off valves on each side of the filter o Pull out filter and rinse until clean o Replace the filter and open the shut off valves Then switch on the heat pump at the main switch Maintenance and Warranty The heat pump must undergo appropriate service in accordance wit...

Page 24: ...s to under 1 If the compressor continues to start stop at short intervals it may be necessary to set a wider neu tral zone in the Temperature Regulate deadband Menu The heat pump control has a restart time and a minimum time see under GEO which likewise limits the number of starts stops of the compressor Ground pipe and brine The brine pump always runs with the compressor and starts 1 minute befor...

Page 25: ...and to maintain normal comfort in situa tions where the heat pump is not operating due to installation work a fault etc Under these circumstances the compressor settings are overridden so that the auxiliary heating is not con trolled by minimum values Central heating During regular heat pump operation compressor capacity is adjusted thus maintaining a predeter mined central heating temperature in ...

Page 26: ...l heating system Auto Can be used if there is a fixed circulation Do not work for a pressure controlled circulation valve Proportional pressure Can be used if there is a fixed circulation Do not work for a pressure con trolled circulation valve Constant pressure Can be used if there is a fixed circulation Do not work for a pressure controlled circulation valve Circulation is set with a minimum flo...

Page 27: ...nd temperatures will if possible be raised to 5 C Pre heating sanitary hot water When there is a requirement of heating the sanitary water the three way valve position is changed and the supply water will be feed from the compressor condenser and supply system through the hot water tank In this situation the water is not circulated through the central heating system Prioritising between the sanita...

Page 28: ...ing system ventilate the system 3 There is insufficient water in the central heating system 4 The hot pump to the central heating system is not running The pump should buzz quietly when operating Check 1 4 and correct the fault Acknowledge the alarm by pressing the knob in the Alarm sub menu when the alarm is displayed Low pressure malfunction Refrigerant pressure in the evaporator is too low This...

Page 29: ...t 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 ...

Page 30: ...We reserve the right to make changes Page 30 of 40 Installation GEO ...

Page 31: ...We reserve the right to make changes Page 31 of 40 Compact P SHW GEO Sensor T2 is placed in sensor pocket at the top of SHW ...

Page 32: ... reserve the right to make changes Page 32 of 40 Compact P Solar GEO Sensor T2 is placed in sensor pocket in the Compact tank next to the T11 sensor Figure 13 Structural ground source pump system diagram ...

Page 33: ...rature which is measured by the sensor T20 in the outside air duct The outside air temperature compensation is adjustable in the PC Software Electrical connection GEO 6 The heat pump must be connected to electri cal installation by an authorised electrician 400 230 V 2L N PE 16 A 50 Hz Supply cable 4x1 5mm HO5W F The supplied electrical diagram shows how to connect the system to the grid Floor hea...

Page 34: ... up a ground source loop there are a number of clearance requirements which must be complied with to ensure efficient and trouble free operation Furthermore local authorities often stipulate their own requirements for installation and approval of the system before it is commis sioned ...

Page 35: ...We reserve the right to make changes Page 35 of 40 Figur 14 Eksempel på udlægning af jordslanger i samlebrønd Figure 15 Example of layout of ground pipes with collection inside footing ...

Page 36: ... before filling 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 entering the ground pipes during filling Safety ground coil system The ground source heating pipes are equipped with a low pressure switch which triggers an alarm in the event of a fall in ...

Page 37: ...t Brinetype N A Brine concentration N A The brine concentrationen freezing temperature regis tered 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 air The pressure of the brine circuit bar gauge N A bar Any leakage from the relief valve must be collected Brine must not run into any sewers The brine circuit is connected correctly to the h...

Page 38: ...d 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 spe cific installation The circulation pump is in constant operation or is con trolled by the heat pump Strainer is mounted Strainer has been cleaned after circulation of water The design flow of the heating circuit N A m 3 h Th...

Page 39: ...en weather compen sation is used variable temperature of central heating Central temperature compliance requirements for max 45 C In case a remote running signal from the heat system is used connection must be made and heat pump control ler configured for this Supplementing electrical heating element is activated if required after the system has been filled with water and put into operation The re...

Page 40: ... a minimum of 20 of the design flow N A 0 10 m3 h 0 03 l s GEO 6 with 6 kW HP out put acc to EN14511 0 35 C Evaporator brine circuit Condenser central heating circuit Flow approx 1 4 m 3 h 0 39 l s 1 0 m 3 h 0 29 l s Pressuredrop heat exchanger approx 15 kPa 15 kPa Temperature change approx 3 C 5 C A flow circuit at a minimum of 20 of the design flow N A 0 20 m3 h 0 06 l s Accessories spare parts ...

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