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CTC Union GSi 600 Series, Installation And Maintenance Manual

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CTC Union GSi 600 Series Installation And Maintenance Manual Download Page 118

118

CTC GSi 600 

12.10.6  Def. Diff thermostat function

Specify here whether the diff thermostat function is to 

be used in the system. 

The expansion card accessory (A3) needs to be installed 

for this function.

Diff thermostat function  

No (No/Yes)

12.10.7  Def. Electric heater

Tariff EL ext. config. 

None (NO/NC/None)

The function can block the electric heater at times of 

high electricity tariffs by means of an external signal.

This menu defines the Normally Open (NO) or Normally 

Closed (NC) mode for the external control signal when 

remotely controlling the function. 

For examples of normal mode settings, refer to the 

"Def. Remote Control" section of the "Installer / Define" 

chapter.

12.10.8  Def. External heat source 

(EHS)

External heat source 

No (Yes/No)

Specify here whether an external heat source is 

connected to the heating circuit.

Menu: "Installer / Define /  Electric  Heater". 

Summary of Contents for GSi 600 Series

Page 1: ...tions worldwide 162 505 58 1 2020 09 16 Important Read carefully before use keep for future reference Translation of the original instructions Installation and Maintenance Manual CTC GSi 600 Model 608 612 616 400 V 3N 230 V 1N 230 V 3N ...

Page 2: ...h the carrying handles 6 Lift the cooling module using the carrying handles and shoulder straps 7 Lift the cooling module into the product using the carrying handles and shoulder straps Remove the carrying handles and reconnect the power cable hoses and screws 8 Before the cooling module is tightened into position ensure the EMC cable is affixed Removing the cooling module Any work done on the pro...

Page 3: ...162 505 58 1 2020 09 16 Installation and Maintenance Manual CTC GSi 600 Modulating ground source heat pump 400 V 3N 230 V 1N 230 V 3N ...

Page 4: ...2 ___________________________54 8 15 Terminal block X2 3x400V 3 __________________________55 8 16 Electrical diagram tank A2 1x230V 1 _____________56 8 17 Flow heater E15 1x230V 2 ___________________________58 8 18 Terminal block X2 1x230V 3 __________________________59 8 19 Electrical diagram tank A2 3x230V 1 _____________60 8 20 Flow heater E15 3x230V 2 ___________________________62 8 21 Termina...

Page 5: ...anger provides copious amounts of hot water CTC GSi also has a summertime basement heating function and an underfloor heating blocking function which maximises the temperature supplied to the floor circuits Using the integrated night reduction function you can set and change the temperature in the house throughout the day from one day to the next Easily accessible electrical components and cooling...

Page 6: ...er it has been in operation for a short time Small microbubbles gradually collect in the system s pockets and it can take quite a long time before all the air is removed from the system When the pressure is temporarily increased any remaining air pockets are compressed and carried along more easily with the flow of water and can be released into the ventilation devices Tip After the air is bled th...

Page 7: ...qualified persons in order to avoid a hazard Safety valve check Safety valve for boiler system to be checked regularly The product must not be started if it is not filled with water instructions are in the Pipe installation section WARNING Do not switch on the product if there is a possibility that the water in the heater is frozen This device can be used by children from the age of eight years an...

Page 8: ...s for the Heating Curve You define the heating curve yourself for your property by setting two values in the product control system This is achieved by selecting the options Inclination or Adjustment under the Installer Settings Radiator system menu Ask your installer to help you set these values It is extremely important to set the heating curve and in some cases unfortunately this process may ta...

Page 9: ...er adjustment is required i If the values set are too low this may mean that the desired room temperature is not being reached You then need to adjust the heating curve as necessary following the method shown above When the basic values have been set more or less correctly the curve can be finely adjusted directly using the Room temp shown on the home menu screen Appropriate Default Values During ...

Page 10: ...Temperature Primary Flow Temperature Primary Flow Temperature Outside Temperature Outside Temperature Heating off out Outside Temperature Adjustment The curve can be parallel displaced adjusted by the desired number of degrees to adapt to different systems houses An example Inclination 60 C Adjustment 0 C In this example the maximum outgoing primary flow temperature is set at 55 C The minimum perm...

Page 11: ...atically at 18ºC as Heating mode is set to Auto Heating mode Auto Auto On Off Auto means automatic On means that the heating is on For systems with a mixing valve and a radiator pump the mixing valve operates to the primary flow setpoint and the radiator pump is on Off means that the heating is switched off For systems with a radiator pump the radiator pump is switched off Heating ext mode Auto On...

Page 12: ...ate 2 Pdesign 7 kW SCOP 4 2 Pdesign 7 kW SCOP 4 3 Pdesign 16 kW SCOP 4 2 SCOP 0 35 Pdesign average climate 2 Pdesign 7 kW SCOP 5 4 Pdesign 10 kW SCOP 5 4 Pdesign 16 kW SCOP 5 2 SCOP 0 55 Pdesign average climate 2 Pdesign 7 kW SCOP 4 2 Pdesign 7 kW SCOP 4 1 Pdesign 16 kW SCOP 4 0 Electrical data Electrical data Rated power Rated current Immersion heater steps of 0 3 kW Max immersion heater output f...

Page 13: ...eight with without packaging Dimensions Depth x Width x Height Required ceiling height Noise level LWA acc to EN 12102 B0 W35 55 Brine system Water volume V Brine system min max temp TS Brine system min max pressure PS Brine system min flow Brine system nominal flow t 3 K 50rps Pump capacity See diagram in chapter Pipe installation DHW system Water volume V Max operating pressure PS Max operating ...

Page 14: ...erage climate 2 Pdesign 12 kW SCOP 3 9 Electrical data Electrical data Rated power Max starting current Immersion heater steps of 0 3 kW Max operating current Compressor IP class Maximum permitted impedance at connection Heating system Water volume V Max operating pressure boiler PS Max temperature boiler TS Heating system nominal flow 100 rps Charge pump Pressure drop See diagram in chapter Pipe ...

Page 15: ...equired ceiling height Noise level LWA acc to EN 12102 B0 W35 55 Brine system Water volume V Brine system min max temp TS Brine system min max pressure PS Brine system min flow Brine system nominal flow Brine pump Pump capacity See diagram in chapter Pipe installation DHW system Water volume V Max operating pressure PS Max operating temperature TS DHW capacity according to prEN16147 Economic Norma...

Page 16: ...0 20 30 40 50 60 70 tw C tci C two twi two twi 1 3 1 CTC GSi 608 GSi 612 1 3 2 CTC GSi 616 1 3 Operating range CTC GSi Operating range is based on normal operating conditions and may therefore be different in different installations tci temperature brine in Primary flow temperature two C Return temperature two C ...

Page 17: ...3 517 39 55 125 106 137 52 299 442 Erfoderlig reshöjd 1940mm 1881 559 355 1833 631 673 517 39 55 125 106 137 52 299 442 264 298 596 Erfoderlig reshöjd 1940mm 3 5 2 6 1 4 1 Cold water Ø22 2 DHW Ø22 3 Return Ø22 4 Primary flow Ø22 5 Expansion connection Lifting sleeve G 3 4 6 Bleed valve connection G 1 2 1 4 Measurements ...

Page 18: ...ensors room sensors and other sensors are connected easily here Display A1 Junction box A5 Module Max thermostat F10 Charge pump G11 Pump for the hot side concealed placed behind the electrical connection box Brine pump G20 Circuit breakers F2 Circuit breakers F1 Junction box A2 Brine connections The brine is connected to the collector here 2 Design The picture below shows the fundamental construc...

Page 19: ...i 608 612 616 65 100 80 Ext Noise reduction rps 50 Noise reduction schedule Passive cooling brine pump on Yes Factory setting Electric heater Max el heater kW 9 0 Max el heater DHW kW 0 Start at degree minute 500 Diff step degree minute 50 Main fuse A 20 Conv factor current sensor 1 Tariff EL No Tariff EL schedule SmartGrid block immersion No DHW DHW program Economy Normal Comfort Max time DHW 30 ...

Page 20: ...oms where the walls are of lightweight design as people in the adjoining room may be disturbed by the compressor and vibrations Remember to leave a service area of at least 1 metre in front of the product The product must not be placed below floor level either 4 3 Recycling The packaging must be deposited at a recycling station or with the installation engineer for correct waste management Obsolet...

Page 21: ...carrier Also check that the delivery is complete according to the list below The product must be transported and stored in an upright position As the cooling module is removable there must be a free space of at least one metre in front of the product and it must not be placed below floor level either Delivery includes Heat pump CTC GSi Filler manifold brine Room sensor Outdoor sensor 2 x brine hos...

Page 22: ... 2 etc Functions with expansion card A3 accessory Solar control DHW circulation Pool 5 2 Control functions std and with Expansion Card The product is supplied from the factory with control functions according to Basic functions below Supplementing with the expansion card accessory A3 adds solar control and its variants as well as bore hole recharging and various tanks In addition DHW circulation a...

Page 23: ...rt the front needs to be dismantled 1 Remove magnetic strip 2 Loosen the two screws on top 3 Fold out and set the front to the side 4 Bear in mind that the cable to the display on the front is sensitive to damage 6 1 Schematic diagram This shows the main connection between the heat pump and the property s heating and water supply system Different installations and systems may look different e g a ...

Page 24: ...rost free and left open to the atmosphere without pressure 6 1 5 Manometer system pressure Fit a manometer to the expansion pipe or the heating circuit s return line NB The waste pipe must be fitted to the waste system NB It is important to fit shut off valves to both the primary and return flows 6 1 6 Connection of expansion tank accessory The heat pump is best connected to a closed expansion ves...

Page 25: ... according to the height H between the highest positioned radiator and the expansion tank The pre pressure must be checked set before the system is filled with water The system pressure must be set 0 3 bar higher than the pre pressure in the expansion tank For example a pre pressure of 1 0 bar 5 mvp means a maximum permitted height difference of 10 m The table assumes installation with the expansi...

Page 26: ...26 CTC GSi 600 CTC GSi 616 CTC GSi 608 GSi 612 qw l min qw l min 6 1 8 Pressure differential diagram hot side ...

Page 27: ...ler ovanstående Denna ritning är Enertech AB s egendom Den får ej användas till skada för företagets intressen Diese Zeichnung ist das Eigentum der Enertech AB und darf nicht zum Scha den dieser Gesellschaft verwendet werden This drawing is the property of Enertech AB and is not to be used against the interest of this com pany 1 2 JoW 2015 05 05 Pump Yonos Para 5 Wilo nr 4526836 JA 586877301 GSi 6...

Page 28: ...mmer in heating circuit 1 you can use an electric shut off valve Y47 Terminal block A13 is powered during the heating season and not powered in the summer 6 1 11 DHW circulation accessory The settings for hot water circulation require the installation of an expansion card accessory DHW circulation is connected as shown in the schematic diagram Pump G40 is used to circulate the hot water ...

Page 29: ...icient energy in the external heat source Heat is diverted to both the heating circuit and to hot water This comes to an end when one of the following alarms occur Supply sensor 1 HPin sensor Communication fault HP or if the supply sensor 1 is warmer than 80 ºC Enter settings under Settings External heat source NB When an external heat source is connected to the heat pump a magnetic filter should ...

Page 30: ...k This is because the same circulation pump G46 is used Operation data Diff thermostat function displays the information Status On Off i Ensure a high flow on the pump G46 so that a low temperature difference of approx 5 10 C is achieved over the EHS tank during charging 6 1 14 Pool accessory A pool can be connected to the system using a 3 way valve Y50 A heat exchanger should be fitted to separat...

Page 31: ...31 CTC GSi 600 Y60 B2 G2 Y2 G2 B15 B11 6 1 15 Schematic diagram passive cooling alt 1 common cooling heating ...

Page 32: ...32 CTC GSi 600 B15 B11 G1 B2 Y60 Y2 G2 Y47 6 1 16 Schematic diagram passive cooling alt 2 common cooling heating ...

Page 33: ...33 CTC GSi 600 B15 B12 B11 B2 G2 G2 Y2 6 1 17 Schematic diagram passive cooling alt 3 ...

Page 34: ... system structure with solar heat going directly to an external heat source tank EHS tank Charging conditions main conditions factory settings Charging starts when B31 is 7 C warmer than B47 Charging stops when there is a difference of 3 C between B31 B30 or when the charge temperature is reached The external heat source tank 01 may also have a solar coil this means that the heat exchanger F2 pump...

Page 35: ...llows for a larger solar collector surface since it carries a greater volume of water Charging conditions Charging starts when B31 is 7 C warmer than B42 Buffer tank without coil Charging stops when there is a difference of 3 C between B31 B30 or when the charge temperature is reached Buffer tank with coil For a tank with a solar coil the charging stops instead when B31 is 3 C warmer than B42 Char...

Page 36: ...connected to an external heat source tank EHS tank and an extra buffer tank CTC EcoTank for example The system allows for a larger solar collector surface since it carries a greater volume of water Charging conditions Charging starts when B31 is 7 C warmer than B42 or B47 Charging stops when there is a difference of 3 C between B31 B30 or when the charge temperature is reached Schematic diagram on...

Page 37: ...Si 600 M M MP M MP M MP MP M B7 B7 B15 B11 B12 B30 G30 Y11 B31 Y31 Y11 Y11 G40 G51 B50 Y11 Y50 Y2 G2 B2 Y11 Y11 G31 B47 B46 Y41 Y11 G32 G46 Y11 G11 B27 B28 G20 B24 B23 6 1 19 Schematic diagram complete diagram ...

Page 38: ...been grooved to enable an opening to be cut for the brine hoses provided When the opening has been made through both the insulation and cover plate carry out the installation as follows 1 In order to protect the brine hoses fasten the protective edging provided around the edge of the opening in the insulation plate Adjust the length of the protective edging to suit the opening as required 2 Attach...

Page 39: ...e from the side 3 Pull out the hose from the front while pushing in the hose from the side 4 Fit the brine in hose 5 Push in the hose from the side 6 Pull out the hose from the front while pushing in the hose from the side 7 Fit the brine out hose If the hose is pulled out from the front without pushing it in from the side at the same time the hose will be wedged with the insulation stuck under th...

Page 40: ...art the brine pump 102 as follows Open the Installer Service Function Test menu Select the Brine Pump option and activate it The brine pump runs until it is manually stopped Allow the brine to circulate in the system for a long period of time until it is completely free of air There could still be air in the system even though no air accompanies the liquid out Bleed the level vessel 96 by loosenin...

Page 41: ...e the valve 98c when filling 7 2 2 Level expansion vessel 96 The level vessel should be fitted to the incoming line from the borehole or ground loop at the system s highest point Bear in mind that the tank can produce condensate on its exterior Fit the safety valve 104 as shown in the schematic diagram and fit a suitable plug to the top of the vessel If the vessel cannot be fitted at the highest p...

Page 42: ...he heat pump If this is not possible it must be possible to bleed the system at the high points The filling pump usually manages smaller local height discrepancies 7 2 6 Checking brine difference When the heat pump is running regularly check that the temperature difference between incoming and outgoing brine temperatures is not too large If there is a large difference one of the causes may be due ...

Page 43: ...43 CTC GSi 600 CTC GSi 608 GSi 612 p kPa qw l min CTC GSi 616 qw l min Pressure drop brine circuit side Pressure drop brine circuit side 7 2 7 Pressure differential diagram cold side ...

Page 44: ...This drawing is the property of Enertech AB and is not to be used against the interest of this com pany CTC GSi 608 UPM2K 25 70 180 PWM 1x230 V 50 60 Hz 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 Q m h 0 2 4 6 8 10 12 m H 0 20 40 60 80 100 120 kPa p 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 Q l s 0 0 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 Q m h 0 40 80 120 160 W P1 CTC GSi 612 GSi 616 UPMXL GE...

Page 45: ... connected at 1 Length 200 cm The group fuse is selected such that all relevant requirements for the electrical installation are met see technical data The size of the fuse is set in the installation flow on the touchscreen The product adjusts the electrical power according to this Once a current sensor has been installed the built in load switch is able to regulate the electric heater s electrica...

Page 46: ...a hall between several rooms This is the best position for the sensor to record an average temperature for the house Feed a three conductor cable minimum 0 5 mm between the heat pump and room sensor Then attach the room sensor securely in a position roughly two thirds of the way up the wall Connect the cable to the room sensor and heat pump When connecting a wireless room sensor accessory refer to...

Page 47: ...y 8 4 Pressure level switch The pressure level switch is connected to blocks G73 and G74 and then defined under the Installer Define system Def Heat pump menu 8 5 Setting electrical output in backup power supply The DIP switch on the relay card A2 is used to set the backup power supply The DIP switch is marked RESERV BACKUP When the switch is set to ON the step is actively operating in backup heat...

Page 48: ...r terminal block at position G15 G16 Mixing valve 2 Y2 is connected to terminals blocks A15 A16 and zero on the sensor terminal block Black Open Terminal block A15 Brown Close Terminal block A16 Blue Zero N Radiator pump 2 G2 is connected to terminals block A36 as well as zero and earth on the sensor terminal block Brown Terminal block X2 A36 Blue Zero X2 N Yellow green Earth X2 PE Passive cooling...

Page 49: ...l block X7 26 Check the function by test running the pump in menu Installer Service Function test 8 8 External heat source EHS The sensor B47 from the external heat source is connected to the relay card A2 at terminal block G67 68 Connection for controlling the mixing valve Y41 is done as follows Black cable Open Terminal block A27 Brown cable Close Terminal block A28 Blue cable Zero Terminal bloc...

Page 50: ...al blocks Expansion card A3 X5 Note the cable colours PWM blue Terminal block X5 3 GND brown Terminal block X5 4 Check the function by test running the pump in the Installer Service Function Test menu in the control system Pump bedrock G31 on off 230 V 1N Circulation pump G31 is connected at the following terminal blocks Expansion card A3 X6 Note the cable colours Phase brown Terminal block X6 8 Z...

Page 51: ... board supplying the product is channelled through a current sensor before termination at the relevant terminal This allows the phase current to be sensed all the time and compared with the value set for the heat pump s load switch If the current is higher the control unit drops to a lower heat output on the electric heater If this is insufficient the heat pump is also limited When the power drops...

Page 52: ...NYE 4 5 6 10 11 12 18 30 31 32 33 34 35 101 103 200 105 112 15 1 W5 GNYE W1 BN W6 BU W3 E D C B F A 4 3 2 1 TRANSDUCER 12 V 230 V 11 14 12 t 2 D7 2 C7 2 D7 2 C7 2 D7 2 C7 2 B1 2 B3 Θ 1 F4 1 F4 1 F4 1 A3 1 A3 1 A3 3 C2 3 C3 M 1 2 3 4 3 C3 3 C3 X10 N PE L1 L2 L3 L3 EL3B EL3A L2 EL2B EL2A L1 EL1B EL1A A30 A29 A28 A27 A26 A5 A4 PE A2 A1 NC NO C PE PE A34 A33 A36 A31 A2 A1 A2 F10 F2 1 2 F1 1 2 26 X11 6...

Page 53: ... 4 5 6 7 8 9 10 300 301 302 303 304 305 WH BN 11 12 13 14 15 16 W7 COM W4GN COM BK BK W11 COM Date Designed by Approved by Approved date Kretsschema JW 2020 03 03 haerik 2020 02 03 E D C B F A 8 7 6 5 VOLTAGE DETECTION M A B AB 3 C6 3 C6 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C4 3 C3 3 C3 3 C6 3 C6 3 C6 3 C6 3 C7 3 C7 3 A4 3 A4 3 A4 M 3 2 1 G76 G75 G74 G73 G72 G71 G68 G67 G66 G65 G64 G63 G62 G61 G41...

Page 54: ... E15 27 A2 EL3A 29 A2 EL2A 31 A2 EL1A 26 A2 EL3B 28 A2 EL2B 30 A2 EL1B 5 X1 N S1 1 6 1 3 6 3 5 6 5 6 6 6 4 6 4 2 6 X11 2 1 6 1 3 6 3 5 6 5 2 6 2 4 6 4 6 6 6 5 6 3 6 1 6 6 6 4 6 2 6 1 6 2 6 X14 3 6 4 6 5 6 6 6 X21 112 34 32 30 35 33 31 109 110 111 110 108 106 111 109 107 7 6 5 4 3 2 1200 W 600 W 300 W 2300 W 2300 W 2300 W 1 C3 1 D3 1 D3 1 C3 1 C3 1 D3 1 B1 1 B1 L3 L2 L1 L3 L2 L1 N N N N N N E15 27 ...

Page 55: ...4 A2 G37 115 A2 G38 116 A2 G39 117 A2 G40 112 A2 G47 113 A2 G48 146 A2 G42 147 A2 G43 148 A2 G44 B15 B2 1 2 4 B11 1 2 4 B12 X104 1 2 3 X105 1 2 3 G2 M40 PWM Current transducer 3 B103 Current transducer 2 Current transducer 1 C1 Y2 A15 A16 A36 N 913145402 N N PE 913145403 PE B 913145401 A G SC G11 G12 G15 G16 G17 G18 G19 G20 G21 G22 G37 G38 G39 G40 G47 G48 B A G SC COM HP B Brown A White G Green SC...

Page 56: ...10 12 14 101 104 103 13 16 102 104 105 110 204 BN BU GNYE W14 W15 18 13 16 200 203 15 100 7 8 CurrEd Ferrit 589499301 kabel W10 var 587683301 X3 Ändplatta 913190404 tillkommer 2020 05 06 E D C B F A 4 3 2 1 TRANSDUCER 12 V 230 V 11 14 12 t 2 D7 2 C7 2 D7 2 C7 Θ 3 C2 1 A1 3 C3 M 1 2 3 4 1 F5 1 F4 1 B2 1 F4 2 B1 2 B3 2 C3 X10 N PE L1 L2 L3 L3 EL3B EL3A L2 EL2B EL2A L1 EL1B EL1A A30 A29 A28 A27 A26 A...

Page 57: ...8 9 10 300 301 302 303 304 305 WH BN 11 12 13 14 15 16 W7 COM W4GN COM BK BK 15 W11 COM Designed by Approved by Approved date Kretsschema JW 2020 03 04 haerik E D C B F A 8 7 6 5 VOLTAGE DETECTION M A B AB 3 C6 3 C6 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C4 3 C3 3 C3 3 C6 3 C6 3 C6 3 C6 3 C7 3 C7 3 A4 3 A4 3 A4 M 3 2 1 1 C2 G76 G75 G74 G73 G72 G71 G68 G67 G66 G65 G64 G63 G62 G61 G41 G42 G43 G44 G45 ...

Page 58: ...29 A2 EL2A 31 A2 EL1A 28 A2 EL2B 30 A2 EL1B 1 6 1 3 6 3 4 6 4 2 6 X11 2 1 6 1 3 6 3 2 6 2 4 6 4 3 6 1 6 4 6 2 6 1 6 2 6 X14 3 6 4 6 244 X10 PE 306 A2 PE PE Tank 162 X2 PE X22 X23 L3 L2 L1 L3 L2 L1 N N N N N N E15 32 30 33 31 203 201 202 205 W8 PE 7 6 5 4 3 2 1200 W 600 W 300 W 2300 W 2300 W 2300 W 1 D3 1 D3 1 C3 1 D3 1 C2 1 A3 1 E4 3 C3 3 C3 29 A2 EL2A 31 A2 EL1A 28 A2 EL2B 30 A2 EL1B 5 X3 N 1 6 1...

Page 59: ...7 115 A2 G38 116 A2 G39 117 A2 G40 112 A2 G47 113 A2 G48 146 A2 G42 147 A2 G43 148 A2 G44 B15 B2 1 2 4 B11 1 2 4 B12 X104 1 2 3 X105 1 2 3 G2 M40 PWM Current transducer 3 B103 Current transducer 2 Current transducer 1 C1 L1 A15 A16 A36 N 913145402 N N PE 913145403 PE B 913145401 A G SC G11 G12 G15 G16 G17 G18 G19 G20 G21 G22 G37 G38 G39 G40 G47 G48 Y2 B A G SC COM HP B Brown A White G Green SC Scr...

Page 60: ... 5 14 101 13 16 15 102 3 1 2 8 9 10 11 12 13 16 18 19 20 100 200 201 204 203 2 PE 3 W1 1 W8 2 CurrEd Ferrit kabel W10 var 587683301 2020 05 06 E D C B F A 4 3 2 1 TRANSDUCER 12 V 230 V 11 14 12 t 2 D7 2 C7 2 D7 2 C7 Θ 3 C2 1 A1 3 C3 M 1 2 3 4 1 F5 1 F4 1 F4 2 B3 2 C7 2 D7 1 B2 2 A3 3 C3 X10 N PE L1 L2 L3 L3 EL3B EL3A L2 EL2B EL2A L1 EL1B EL1A A30 A29 A28 A27 A26 A5 A4 PE A2 A1 NC NO C PE PE A34 A3...

Page 61: ...6 7 8 9 10 300 301 302 303 304 305 WH BN 11 12 13 14 15 16 W7 COM W4GN COM COM BK BK 15 Designed by Approved by Approved date Kretsschema JW 2020 03 04 haerik E D C B F A 8 7 6 5 VOLTAGE DETECTION M A B AB 3 C6 3 C6 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C5 3 C4 3 C3 3 C3 3 C6 3 C6 3 C6 3 C6 3 C7 3 C7 3 A4 3 A4 3 A4 M 3 2 1 1 C2 G76 G75 G74 G73 G72 G71 G68 G67 G66 G65 G64 G63 G62 G61 G41 G42 G43 G44 G45 ...

Page 62: ... A2 EL2B 30 A2 EL1B 1 6 1 3 6 3 4 6 4 2 6 X11 2 1 6 1 3 6 3 2 6 2 4 6 4 3 6 1 6 4 6 2 6 1 6 2 6 X14 3 6 4 6 244 X10 PE 306 A2 PE PE Tank 162 X2 PE 326 K1 6 326 K1 6 5 6 5 6 6 6 5 6 6 6 5 3 1 6 4 2 3 4 1 5 6 2 E15 5 6 5 6 6 6 5 6 6 6 X22 X23 32 30 33 31 204 201 202 205 W8 PE 34 35 7 6 5 4 3 2 1 D3 1 D3 1 C3 1 D3 1 B1 1 E4 3 C3 1 C2 1 C2 780 W 780 W 780 W 1567 W 1567 W 1567 W 29 A2 EL2A 31 A2 EL1A 2...

Page 63: ... 115 A2 G38 116 A2 G39 117 A2 G40 112 A2 G47 113 A2 G48 146 A2 G42 147 A2 G43 148 A2 G44 B15 B2 1 2 4 B11 1 2 4 B12 X104 1 2 3 X105 1 2 3 G2 M40 PWM Current transducer 3 B103 Current transducer 2 Current transducer 1 C1 Y2 L1 A15 A16 A36 N 913145402 N N PE 913145403 PE B 913145401 A G SC G11 G12 G15 G16 G17 G18 G19 G20 G21 G22 G37 G38 G39 G40 G47 G48 B A G SC COM HP B Brown A White G Green SC Scre...

Page 64: ...8 22 HP cooling module schematic diagram 3x400V A5 ...

Page 65: ...8 23 HP cooling module schematic diagram 1x230V 3x230V A5 ...

Page 66: ...B M A B AB PE L1 N 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NC COM2 COM1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 A3 F1 10A 1 2 GND PWM G32 GND PWM G30 B46 B50 B47 B9 B42 B41 B30 B31 N PE L G40 N PE L G31 N CLOSE OPEN Y30 N CLOSE OPEN Y31 N Close Open Y41 Y42 PE N L G46 N L Relay Y50 N PE L G50 G51 N ...

Page 67: ...M GF B25 B26 Y21 B5 G20 B24 B23 B27 B28 G11 G5 B102 B18 ...

Page 68: ...TC 22 B47 External heat source tank NTC 22 B50 Sensor pool NTC 22 B100 High pressure sensor B101 Low pressure sensor B102 Flow switch F1 Automatic circuit breaker 10 A F2 Automatic circuit breaker 13 A F10 Max thermostat F20 High pressure switch G2 Circulation pump 2 G5 Circulation pump for DHW heat exchanger G11 Charge pump HP1 G20 Brine pump G30 Circulation pump solar panel G31 Pump bore hole re...

Page 69: ...125 6 18 120 7 13 115 8 26 110 9 59 105 11 17 100 13 06 95 15 33 90 18 1 85 21 4 80 25 4 75 30 3 70 36 3 65 43 6 60 52 8 55 64 1 50 78 3 45 96 1 40 119 35 147 30 184 25 232 20 293 15 373 10 479 5 619 Temperature C Sensor Type 3 NTC Resistance kΩ Temperature C Sensor Type 2 NTC Resistance kΩ Temperature C Sensor Type 1 NTC Resistance kΩ 110 0 76 105 0 86 100 0 97 95 1 11 90 1 27 80 1 67 75 1 92 70 ...

Page 70: ...ure C NTC 150 Resistance Ω 130 800 125 906 120 1027 115 1167 110 1330 105 1522 100 1746 95 2010 90 2320 85 2690 80 3130 75 3650 70 4280 65 5045 60 5960 55 7080 50 8450 45 10130 40 12200 35 14770 30 18000 25 22000 20 27100 15 33540 10 41800 5 52400 0 66200 5 84750 10 108000 15 139000 20 181000 25 238000 Temperature C NTC 22 kΩ Resistance Ω 8 27 Resistance values for sensor other ...

Page 71: ...r Internet CTC AXS CTC SmartControl wireless sensor Port 2 Network jack ethernet see connection information on following page Define the app MyUplink Yes enables connection to the app MyUplink app CTC Product Router Internet Define Web Yes permits network connection the CTC Remote screen mirror feature and BMS function with remote control via network cable to local network CTC Remote screen mirror...

Page 72: ...screwdriver in the notch along the top edge 2 Open the ferrite from the packaging clamp around the ethernet cable with the connector 3 Connect the ethernet cable 4 Route the ethernet cable through any hole in the top cover remove rubber grommet if necessary 5 Connect ethernet cable to network port or router To permit and define connectivity refer to the Communication section in the Installer Defin...

Page 73: ...n your phone tablet is connected to your local network the product can be used with your device s touchscreen in the same way as the product s screen Scan the QR code or enter the address http ctcXXXX main htm where XXXX the last 4 digits of the display serial number E g sn 888800000040 http ctc0040 main htm If you encounter a problem click the link to change the address and QR code The link may n...

Page 74: ...y 5 Check that the connections behind the insulation caps are secure Remove both insulation caps by pulling carefully on the points marked 6 The backup heating thermostat is OFF as its factory setting Recommended mode is Frost protection setting approx 7 C The backup heating thermostat is in the electrical switchboard behind the front panel It is in the OFF position when it is turned anticlockwise...

Page 75: ...e option permitting the compressor to operate if the collector system is ready When the compressor is started for the first time a check is automatically carried out to ensure that it is running in the correct direction 6 Brine pump on 10 days 7 Specify the max primary flow C for heating circuit 1 8 Specify the inclination for heating circuit 1 9 Specify the adjustment for heating circuit 1 If the...

Page 76: ...ed automatically from the control system ensuring that the radiators reach the correct temperature no matter what season it is However where a fault occurs you can operate the valve by pulling out the knob on the motor and turning it clockwise to reduce the temperature or anticlockwise to increase it Draining the tank The heat pump should be disconnected from the power source when it is being drai...

Page 77: ...nal data is provided here All other menus can be accessed from this menu Depending on which system is defined the following symbols may appear on the start menu for example Heating Cooling Settings for raising or lowering the temperature indoors and for scheduling temperature changes Submenus for Active Cooling are shown if defined DHW Settings for DHW production Ventilation Settings for ventilati...

Page 78: ...pplies to radiators or underfloor heating Switch between Radiator and Underfloor Heating using the and buttons Confirm with the right directional arrow 8 If Heating circuit 2 is defined the corresponding menu for this system is displayed Make a corresponding selection Radiator and Underfloor Heating for Heating circuit 2 and finish the wizard with OK 4 Select maximum electric heater power using th...

Page 79: ...iday Reduction or Night Reduction are activated HR or NR will be displayed NR after brackets e g 24 25 NR 12 3 1 Setting without a room sensor If a room sensor has not been installed this can be selected from the Installer Define Heating Circuit menu the room temperature is adjusted using this option which displays the setting range as a percentage If this range is not sufficient the default setti...

Page 80: ...menu only appears if a Weekly Program has been defined for the heating circuit For more information refer to chapter Weekly Program for schedule setting section Def Remote Control of the Installer Define chapter for defining the remote control function 12 3 4 Holiday You use this option to set the number of days that you want the set temperature to be consecutively reduced For example if you want ...

Page 81: ...nk 58 C i Tip Set to Economy mode from the start If the hot water is deemed insufficient raise to Normal mode and so on 12 4 1 Extra DHW schedule You can use this menu to schedule periods during weekdays when you want extra DHW This schedule is repeated every week The stop temperature for Extra DHW is 60 C factory setting The Weekly Program chapter describes how to set schedules Click the Extra DH...

Page 82: ... Set a weekly program 1 20 in the Program column in the HC1 Night Reduction row using the arrow keys or click where the cursor is in the example 12 6 2 Setting a weekly program A weekly program can be set for most remotely controlled functions in the menus under Installer Settings However schedules for Night reduction Extra DHW and Ventilation can only be accessed via the start menu The schedule i...

Page 83: ...ction Off On Off This normally indicates whether the row will switch the function On or Off However for the Night Reduction and SmartGrid Schedule functions the following applies In the weekly program for Night Reduction the temperature reduction that will apply during the period is specified in C here instead When a temperature is specified setting range 1 to 30 C the status of the row automatica...

Page 84: ... left in the menu Current return temperature 34 C is shown below The icon bar at the bottom of the menu page displays icons for additional functions or subsystems that have been defined Scroll using the arrows or swipe in the list if not all the functions fit on the page Ventilation Pool Solar Panel Diff thermostat DHW History External DHW tank EHS The gear icon is a shortcut to Settings for the r...

Page 85: ...play the Control Unit menu Status HC Current charging mode see table below DHW tank C 49 45 55 Displays the hot water temperatures in the upper and lower parts of the tank The value in brackets is the setpoint stop temp The setpoint is measured in the upper part of the tank Capacity 75 Displays the estimated amount of energy remaining for DHW Degree minute 1000 Shows current heat loss in degree mi...

Page 86: ...pter Off No heating cooling produced Click on a heating circuit to see more detailed operation data in a new menu window Status Heating Shows the operational status of the heating circuit See the table below Primary flow C 42 48 Shows the temperature supplied to the current heating circuit and the setpoint in brackets Return flow C 34 Shows the temperature of the water returning from the heating c...

Page 87: ...o a driver alarm Stop tariff Compressor blocked due to the Tariff remote control function being active Alarm Compressor off due to an alarm Blocked low brine in Compressor blocked due to too low brine temperature Status Flow on Shows the status of the heat pump See the table below Compressor 65 rps R Shows the compressor speed R stands for Reduced Mode Charge pump On 50 Shows operating status of t...

Page 88: ...t temperature that has been supplied to the heating circuit El heat kWh 250 Shows how much additional heat has been used Compressor Energy output kWh 10000 Estimated energy emitted from the heat pump The value is presented only for language choices Norwegian and German The value is not calculated for models CTC GSi 600 CTC EcoPart 600 CTC EcoAir 600 these are given the value 0 Operation time 24 h ...

Page 89: ...nella protection function is active L is displayed e g 59 60 40 L DHW C 45 50 Displays the DHW temperature and setpoint in brackets Capacity 50 Displays the estimated amount of energy remaining for DHW Extra DHW On On means the Extra DHW function is active DHW circulation Off On means the DHW circulation function is active SmartGrid Off The status of the SmartGrid functions for DHW Off SG Low Pric...

Page 90: ... Thermostat Function menu Status On Shows whether the charge pump is turned on On Off Temperature C 51 External tank temperature at which charging Off Temp destination C 43 Tank temperature at which charging On 12 7 6 Operation data Diff thermostat function Menu Operation Data Diff thermostat function ...

Page 91: ...tem SmartGrid block cap Off External heat source blocked by SmartGrid due to Overcapacity Mixing valve Closes Indicates whether the EHS tank mixing valve increases opens or reduces closes Demand DHW Yes 55 Yes means that there is a need for hot water and that hot water is taken from the EHS tank The DHW setpoint is shown in brackets Demand HC No 0 Yes means that there is a need for heat in the hea...

Page 92: ...s can be carried out from this menu The menu can also be accessed by clicking the date or time in the upper right corner of the start screen 12 8 1 Setting the time Time and Date Click on the time symbol Press OK to highlight the first value and use the arrows to set the time and date DST On Active The left value can be set On means the time is adjusted according to Summertime The right value is f...

Page 93: ...e alarm sounds Time zone GMT 1 12 14 Set your time zone relative to GMT Lock code 0000 Press OK and use the arrows to set a 4 digit lock code If a lock code is set it is shown as four stars You will be prompted to enter the code when the screen is restarted NB Make a note of the lock code for your own reference when you enter it in the menu for the first time The serial number of the display 12 di...

Page 94: ...will then operate for the whole summer This means that the temperature supplied to the radiators will not fall below a selected temperature for example 27 C Off means that the function is turned off Heating mode Auto Auto On Off Switching between heating season and summer mode can take place automatically Auto or a selection can be made here to set the heating to On or Off Auto switching the heati...

Page 95: ... heat to the house is permitted when the temperature falls below or equals the set value in the Heating off outdoor C menu for the number of minutes set in the Heating off time menu Inclination C 50 25 85 Inclination means the temperature your property needs at different outdoor temperatures More information about this can be found in the Your home s heating settings chapter The value set in this ...

Page 96: ...s menu bar is displayed if the room sensor is connected and defined SmartGrid Low price C 1 Off 1 5 Setting to increase inclination adjustment at energy price Low price via SmartGrid Both SmartGrid A and SmartGrid B must be defined in the remote control menu for this menu to be displayed Read more in the Installer Define Remote Control SmartGrid A B chapter SmartGrid Overcapacity C 2 Off 1 5 Setti...

Page 97: ...After the stepped increase and 10 days at an even temperature the temperature setpoint is reduced to 25 C in daily 5 C stages The final step may be less than 5 C Following the stepped decrease and 1 day at the setpoint of 25 C the value is calculated automatically according to Your home s heating settings Mode 3 In this mode the function starts in Mode 1 followed by Mode 2 and lastly by Your home ...

Page 98: ... chapter Tariff HP schedule This menu bar is displayed if a weekly program has been defined for the HP Tariff function For more information refer to chapter Weekly Program for schedule setting section Def Remote Control of the Installer Define chapter for defining the remote control function SmartGrid block HP No No Yes Read more in the Remote Control SmartGrid section of the Installer Define chap...

Page 99: ...tart Diff step degree minute 50 300 20 This menu is used to define the difference in degree minutes between the start and stop conditions for the electric heater If the electric heater is started at 500 degree minutes it will be stopped at 450 degree minutes for a setting of 50 Main fuse A 20 10 90 The property s main fuse size is set here This setting and the fitted current sensors ensure the fus...

Page 100: ... can be activated via remote control Read more in the Installer Define Remote Control Tariff EL chapter Tariff EL schedule This menu bar is displayed if a Schedule is defined for the Tariff EL function in the Installer Define Remote Control menu For more information refer to chapter Weekly Program for schedule setting section Def Remote Control of the Installer Define chapter for defining the remo...

Page 101: ... Charging of the hot water is complete when both sensors have reached the set value Applies to CTC GSi 608 CTC GSi 612 GSi 616 55 C Charge start lower C 40 15 60 Hot water charging starts when the temperature falls below the set temperature DHW C 50 38 65 The DHW out temp Restore program The current DHW program will be restored to factory settings Start stop diff upper C 5 3 7 This menu is used to...

Page 102: ...e between periods of DHW circulation Displayed if DHW circulation has been defined in the Installer Define DHW menu DHW circ schedule This menu displays the scheduled weekday periods when the DHW circulation pump is to run The menu bar is displayed if DHW circulation has been defined in the Installer Define DHW menu a Weekly Program is defined for the DHW Circulation function in the Installer Defi...

Page 103: ...combined with the same function in a solar heating system when e g an EcoTank is connected This is because the same outlets and sensors are used for both functions Charge start diff temp C 7 3 30 Here you can set the temperature difference determining when charging to the EHS tank is started The temperature must be this many degrees warmer than the EHS tank for charging to start Charge stop diff t...

Page 104: ...ocking of passive cooling The function can be used to turn off cooling with the help of a humidity sensor when there is a risk of condensation Block passive cooling sched This menu is used to schedule the weekday periods during which passive cooling should be blocked This schedule is repeated every week This menu bar is displayed if a Schedule has been defined for the Block Passive Cooling functio...

Page 105: ...actory set connection speed is 10 Mbps 12 9 8 2 BMS MB address 1 1 255 Adjustable 1 255 Baud rate 9600 9600 19200 Possible settings 9600 or 19200 Parity Even Even Odd None Possible settings Even Odd or None Stop bit 1 1 2 Possible settings 1 or 2 Modbus TCP Port 502 1 32767 This menu bar is displayed if Modbus TCP is defined in the Ethernet row in the Installer Define Remote Control menu 12 9 8 3 ...

Page 106: ... has been defined for the Round circulation function The Round circulation function can also be controlled remotely by activating the Input defined for the function in the Installer Define Remote Control menu For more information refer to chapter Weekly Program for schedule setting section Def Remote Control of the Installer Define chapter for defining the remote control function 12 9 11 Settings ...

Page 107: ...tings Press OK to confirm 12 9 13 Load settings Custom settings can be saved to Bank 1 3 and on a USB drive here The USB row is greyed out until the USB drive is installed The rows show the date and time of saved settings Press OK to confirm 12 9 14 Load factory settings The product is supplied with the factory values set Saved settings in Bank 1 3 are deleted when factory settings are restored Th...

Page 108: ...ey are used The Installer Define Remote Control menu defines how the remote control inputs should be activated by specifying one of the following three modes of activation in the Input column of this menu a terminal block K22 K23 on the relay card A2 has power or terminal block K24 K25 is closed There are two 230 V inputs and two low voltage ports See table below wireless accessories in the CTC Sm...

Page 109: ...nu for the heating circuit 3 Setting the heating mode In the example the remote control function Heating mode ext is set to the Off position in the Heating mode ext row This setting is made in the Installer Settings heating circuit menu In this example the normal heating mode is active On When input K24 is closed the multi button in the example generates a control signal the status of the Heating ...

Page 110: ...Cooling menu For more information refer to the Night Reduction Temperature section in the Heating Cooling chapter HC Heating mode Off K22 K25 Channel 1A 7B BMS DI0 7 Switching between heating season and summer season can take place at a specific outdoor temperature Auto or heating can be either always On or Off In the Installer Define Remote Control menu specify an Input for the remote control fun...

Page 111: ...mmediately can also be done in the DHW menu The weekly program for extra DHW can also be set in this menu For more information refer to the Extra DHW section in the DHW chapter Block Passive cooling Off K22 K25 Channel 1A 7B BMS DI0 7 In the Installer Define Remote Control menu specify an Input for the remote control function In the Installer Define Passive Cooling menu configure the normal mode f...

Page 112: ...nu set remote control mode On in the Tariff EL row Access function scheduling from the Tariff EL row For more information refer to the Additional Heat Tariff EL section in the Installer Settings chapter Round circulation Off K22 K25 Channel 1A 7B BMS DI0 7 Round circulation is equipment which an electricity supplier can fit in order to disconnect for a short period of time equipment which draws hi...

Page 113: ...function scheduling from the DHW circ schedule row For more information refer to the DHW section in the Installer Settings chapter Flow level switch Off K22 K25 Channel 1A 7B BMS DI0 7 The flow level switch produces an alarm on the heat pump In the Installer Define Remote Control menu specify an Input for the remote control function In the Installer Define Heat Pump menu configure the normal mode ...

Page 114: ...ool menu SmartGrid functions can be set for heating circuits heat pumps additional heat passive cooling pool and DHW The factory set temperature changes setpoints that apply when Low Price mode and Overcapacity mode are activated are shown in brackets below Heating systems 1 2 SmartGrid Low Price C room temp or primary flow temp 1 C SmartGrid Overcapacity C room temp or primary flow temp 2 C Heat ...

Page 115: ... Normally Open NO Normally Closed NC in the Tariff HP ext config row In the Installer Settings Heat Pump menu set Tariff HP On For more information refer to the Heating Pump section in the Installer Settings chapter Menu Installer Define Heat Pump A mode for the external control signal Normally Open NO or Normally Closed NC is defined for Tariff HP ext config HP Noise reduction Off K22 K25 Channel...

Page 116: ...nel must be selected in the row below SmartControl accessories are connected to the system via the Installer Define SmartControl menu Refer to the separate SmartControl Accessories manual HC1 Night reduction ext config None None NO NC This menu defines the Normally Open NO or Normally Closed NC mode for the external control signal when remotely controlling the function For examples of how to set t...

Page 117: ...s communication accessory and or WiFi 12 10 5 Def DHW Extra DHW ext config None None NC NO This menu defines the Normally Open NO or Normally Closed NC mode for the external control signal when remotely controlling the function For examples of normal mode settings refer to the Def Remote Control section of the Installer Define chapter DHW circulation No Yes No DHW Yes DHW circulation DHW circ with...

Page 118: ...ock the electric heater at times of high electricity tariffs by means of an external signal This menu defines the Normally Open NO or Normally Closed NC mode for the external control signal when remotely controlling the function For examples of normal mode settings refer to the Def Remote Control section of the Installer Define chapter 12 10 8 Def External heat source EHS External heat source No Y...

Page 119: ... and Yes means a setting range of 10 30 C In the event of doubt contact a professional for an assessment Room sensor No Yes No Specify whether room sensors are to be connected to the heating circuit Type Cable SmartControl Select whether the heating circuit room sensor is Cable Wired room sensor SmartControl SmartControl is a separate series of wireless accessories If SmartControl is selected the ...

Page 120: ...r more information about the SMS function refer to the Installation and Maintenance Manual for CTC SMS 12 10 11 Def SmartControl SmartControl is a separate series of wireless accessories SmartControl No Yes No If Yes is selected SmartControl accessories can be connected to the heating circuit Refer to the connection procedure in the separate SmartControl Accessories manual 12 10 12 Def Current sen...

Page 121: ... the Function Test menu When the menu is opened all automatic functions are stopped and testing can be performed i When you exit the menu the heat pump returns to normal operation NB This menu is intended for the installer only 12 11 2 Test Heating circuit Mixing valve 2 Close Close Open Opens and closes Mixing Valve 2 Rad pump 2 Off On Off Starts and stops Radiator Pump 2 LED room sensor Off On O...

Page 122: ...eater L2A Off Off On Electric heater L2B Off Off On Electric heater L3A Off Off On Electric heater L3B Off Off On Electric heater A13 Off Off On Menu Installer Service Function Test Electric Heater 12 11 5 Test Heat pump HP Compressor Off On Off When the compressor is being function tested the brine and charge pump are also operating so that the compressor does not trigger its pressure switches HP...

Page 123: ...rvice Function Test Diff Thermostat Menu Installer Service Function Test DHW 12 11 8 Alarm log In the alarm log up to 500 alarms can be displayed at the same time An alarm which reoccurs within an hour is ignored so as not to fill up the log Click an alarm row to see more information about an alarm If it is a sensor alarm a sensor value will be displayed at the bottom of the page from when the ala...

Page 124: ...nline The rows are greyed out until the USB drive is installed or the display is connected to the internet Click OK to confirm the upload The settings are retained during updating but the old values are overwritten by any new factory values 12 11 13 Write log to USB Intended for service engineers This function can be used to save logged values to a USB memory stick 12 11 14 Re installation This co...

Page 125: ...entifying which current sensor is connected to the relevant phase All three currents L1 L2 and L3 will appear in the current operation data when the heat pump has identified the current transformers relevant phases In this situation it is important that you have switched off any major consumers of electricity in the house Also make sure that the backup thermostat is turned off 12 11 19 Re installa...

Page 126: ...s that the temperature in the room is always suitable and stable For the sensor to provide the correct signals to the control unit radiator thermostats should always be fully open in the area where the room sensor is located A correctly operating heating circuit is important to the heat pump s operation and affects energy savings When adjusting the system always do so with all radiator thermostats...

Page 127: ...itled Connecting the brine system Reset the Low evaporation alarm on the display Where a malfunction repeatedly occurs call in a technician to investigate and rectify the fault If the text Low brine temp is displayed the ground loop may not be large enough or there may be a fault with the sensor Check the brine circuit temperature in the Current operation data menu If the incoming temperature fall...

Page 128: ...r reduced elec The property s main fuses risk being overloaded due to for example the simultaneous use of several power hungry appliances The product reduces the electric heater s electrical output during this period 2h max 6 kW Electric heating elements are limited to 6 kW for 2 hours after being switched on This message appears if more than 6 kW are required during the product s first 2 hours of...

Page 129: ...protection A4 This message is displayed when the display card A1 cannot communicate with CTC Solar control Expansion card A3 E035 High pressure switch The refrigerant s high pressure switch has been triggered Press reset and check whether the alarm recurs If the fault recurs contact your installer E040 Low brine flow Low brine flow is often caused by air in the collector system especially immediat...

Page 130: ...at is not connected or has short circuited and if the value is outside the sensor s range If this sensor is important to the system s operation the compressor stops This requires the alarm to be reset manually after the fault has been rectified The alarm is reset automatically after correction for the following sensors Sensor upper tank B5 Sensor EHS tank B47 Sensor primary flow 1 B18 Sensor prima...

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Page 136: ...Enertech AB P O Box 309 SE 341 26 Ljungby Sweden www ctc se www ctc heating com 162 505 58 1 2020 09 16 ...

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