CTC Union GSi 16 Installation And Maintenance Manual Download Page 5

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CTC GSi 16

Table of Contents

Important! Information on air bleeding

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Your home’s heating settings

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1. Technical data

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1.1

Operating range CTC GSi 16

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2. Design

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3. Parameter list

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4. Important to remember!

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4.1 Transportation

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4.2 Positioning

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4.3 Recycling

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4.4

After commissioning

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5. Installation

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5.1 Unpacking

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5.2

Control functions (std.) and with

Expansion Card

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6. Pipe installation

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6.1

Schematic diagram

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7. Connecting the brine system

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7.1 Connections

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7.2

Brine system schematic diagram

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7.3

Coolant pump (G20)

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8. Electrical installation

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8.1

Sensor connection

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8.2

Checking connected sensors

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8.3

Pressure/level switch

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8.4

Installing a backup power supply

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8.5

Pump Diff thermostat function (G46) on/off

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8.6

Heating circuit 2 (alt. Free cooling)

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8.7

Pool (accessory)

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8.8

External heat source (EHS)

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8.9

CTC EcoVent (accessory)

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8.10 CTC SmartControl (accessory)

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8.11 Solar heat (accessory)

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8.12 Current sensor connection (accessory)

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8.13 Tank schematic diagram (A2)

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8.14 HP cooling module schematic diagram (A5)

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8.15 Expansion card (accessory)

schematic diagram (A3)

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8.16 Parts list

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8.17 Resistance for sensor 1(2)

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8.18 Resistance sensor 2(2)

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9. First start

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10. Operation and Maintenance

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11. Menu overview

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12. Detailed menu descriptions

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12.1 Start menu

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12.2 Room temperature

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12.3 DHW

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12.4 Operation

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12.5 Installer

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12.6 Heat pump

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12.7 Electric heater

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12.8 DHW tank

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12.9 Communication

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12.10 Cooling

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12.11 Solar panels (accessories)

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12.12 Diff thermostat function

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12.13 Pool (accessory)

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12.14 External heat source (EHS)

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12.15 EcoVent (accessory)

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12.16 Deine system

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12.17 Deine remote control

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100

12.18 Remote control procedure

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100

12.19 Smart Grid

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103

12.20 Service

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106

13. Troubleshooting/appropriate measures

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112

13.1 Information messages

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115

13.2 Alarm messages

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117

Summary of Contents for GSi 16

Page 1: ...tainable energy solutions worldwide Installation and Maintenance Manual CTC GSi 16 Modulating ground source heat pump 400 V 3N IMPORTANT READ CAREFULLY BEFORE USE KEEP FOR FUTURE REFERENCE 162 205 94...

Page 2: ...the front edge slightly with the carrying handles 5 Lift the cooling module using the carrying handles and shoulder straps 6 Lift the cooling module into the product using the carrying handles and sho...

Page 3: ...Installation and Maintenance Manual CTC GSi 16 Modulating ground source heat pump 400 V 3N 162 205 94 1 06 02 2019...

Page 4: ...in the picture Important Bleed any air remaining in the radiators elements and other parts of the system after it has been in operation for a short time Small microbubbles gradually collect in the sy...

Page 5: ...___________________________46 8 12 Current sensor connection accessory _______________47 8 13 Tank schematic diagram A2 _____________________________48 8 14 HP cooling module schematic diagram A5 ____...

Page 6: ...6 CTC GSi 16...

Page 7: ...tion and fault signals Facilitates the setting of values and troubleshooting in a simple and well structured way The built in heat exchanger provides copious amounts of hot water CTC GSi 16 also has a...

Page 8: ...gent or similarly 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...

Page 9: ...he heating curve and in some cases unfortunately this process may take several weeks The best way of doing this upon the initial start up is to select operation without any room sensor The system then...

Page 10: ...emperature 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...

Page 11: ...tomatically at 18 C 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 val...

Page 12: ...Rated power Max starting current Immersion heater steps of 0 3 kW 1 Max immersion heater output fuse size 10 16 20 25 A1 Max operating current Compressor Fuse max Maximum permitted impedance at connec...

Page 13: ...level LWA according to EN 12102 30 35 C 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 capac...

Page 14: ...wi two tw C tci C 1 1 Operating range CTC GSi 16 Operating range is based on normal operating conditions and may therefore be different in different installations tci temperature brine in Primary low...

Page 15: ...355 54 Expansionsanslutning Lyftmuff G 3 4 55 125 596 50 106 137 297 298 Expansionsanslutning L 1 Cold water 22 2 DHW 22 3 Return 22 4 Primary low 22 5 Expansion connection Lifting sleeve G 3 4 6 Blee...

Page 16: ...W heat exchanger The heat pump is equipped with a stainless heat exchanger Direct heating of hot water minimises the risk of legionella bacteria Flow heater There is an immersion heater for additional...

Page 17: ...n fuse A Input voltage Tariff EL Off Smart block immersion Off Heat pump Factory settings User value Tariff HP Off Smart block HP Off Start at degree minute Max RPS Max RPS silent mode DHW tank Factor...

Page 18: ...ced RPS 80 10 100 Normal RPS 50 10 100 Reduced RPS 20 10 100 Run on time minutes 30 600 Time until filter change d 90 Night cooling Start diff room Stop diff room Diff inside outside hard coded No 3 C...

Page 19: ...ory settings User value Charge start diff temp C Charge stop diff temp C Charge tank temp C Solar panels Factory settings User value Charge start diff temp C Charge stop diff temp C Charge pump min Se...

Page 20: ...oid placing the heat pump in rooms 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 le...

Page 21: ...t the delivery is complete according to the list below Delivery includes Heat pump CTC GSi 16 Filler manifold brine Room sensor Housing Cover Outdoor sensor 2 x brine hoses Installation and Maintenanc...

Page 22: ...tions with expansion card A3 accessory Solar control Hot water circulation Pool 5 2 Control functions std and with Expansion Card The product is supplied from the factory with control functions accord...

Page 23: ...lation settings based on the description in the section entitled First start 6 1 Schematic diagram This shows the main connection between the heat pump and the property s heating and water supply syst...

Page 24: ...valve The heat pump s safety valve 2 5 bar for the heating circuit must be fitted in accordance with applicable regulations Connect the waste pipe to the waste system directly to the floor drain or if...

Page 25: ...ted height difference of 10 m 6 1 6 Connection of expansion tank accessory The heat pump is best connected to a closed expansion vessel The heat pump is ready to be fitted to an 18 l closed expansion...

Page 26: ...0 20 40 60 80 100 120 140 160 5 15 25 35 45 55 Varma sidan Diff kPa 6 1 8 Pressure differential diagram CTC GSi 16 hot side 6 1 9 Heat medium pump G11 UPML XL GEO 25 125 130 PWM 1 x 230 V 50 60 Hz qw...

Page 27: ...g 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...

Page 28: ...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 Primary flow sensor 1 HP in sensor Comm error HP...

Page 29: ...EcoTank This is because the same circulation pump G46 is used 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 O...

Page 30: ...ystem 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 st...

Page 31: ...ows 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 the...

Page 32: ...nnected 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 Char...

Page 33: ...GSi 16 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 16 Schematic diagram full d...

Page 34: ...le 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 ho...

Page 35: ...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...

Page 36: ...t the brine pump 102 as follows Go to the menu Installer Service Function test Select the Brine pump option and activate it The brine pump runs until it is manually stopped Allow the brine to circulat...

Page 37: ...se 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 th...

Page 38: ...cked filter If this is the case the heat pump triggers the alarm The alarm factory setting is 7 C but 9 C is permitted for the first 72 hours while the compressor is running as microbubbles in the sys...

Page 39: ...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 7 3 1 Pressur...

Page 40: ...sks The product is classified as IPX1 The product must not be rinsed with water Never jeopardise safety by removing bolted covers hoods or similar Never jeopardise safety by deactivating safety equipm...

Page 41: ...ectric power sources Residual current device If there already is a ground fault breaker the product must also be fitted with its own ground fault breaker with on off delay Max thermostat If the produc...

Page 42: ...om sensor 2 to G20 G22 The room sensor is fitted at a central point in the house in the most open position possible ideally in a hall between several rooms This is the best position for the sensor to...

Page 43: ...pply The DIP switch is marked RESERV BACKUP When the switch is set to ON the step is actively operating in backup heating mode Factory set value 2 1 KW distributed across 3x400 V Adjust the value acco...

Page 44: ...herwise difficult to obtain Important Insulate the sensor using pipe insulation Connect the cables to the sensor terminal block at position G15 G16 Mixing valve 2 Y2 is connected to terminals blocks A...

Page 45: ...block X6 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 car...

Page 46: ...l 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 menu Installer Service Function test in t...

Page 47: ...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...

Page 48: ...48 CTC GSi 16 8 13 Tank schematic diagram A2...

Page 49: ...49 CTC GSi 16...

Page 50: ...50 CTC GSi 16 8 14 HP cooling module schematic diagram A5...

Page 51: ...51 CTC GSi 16...

Page 52: ...52 CTC GSi 16 8 15 Expansion card accessory schematic diagram A3 a CTC EcoZenith i350 CTC EcoVent i350F...

Page 53: ...53 CTC GSi 16...

Page 54: ...54 CTC GSi 16 M GF B25 B26 Y21 B5 G20 B24 B23 B27 B28 G11 G5 B102 B18...

Page 55: ...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 thermosta...

Page 56: ...2 5 55 3 0 50 3 6 45 4 4 40 5 3 35 6 5 30 8 1 25 10 20 12 5 15 15 8 10 20 5 26 0 33 5 43 10 56 15 74 20 99 25 134 30 183 130 5 37 125 6 18 120 7 13 115 8 26 110 9 59 105 11 17 100 13 06 95 15 33 90 1...

Page 57: ...770 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 k Resistance 70 32 65 37 60 43 55 51 50 60 45 72 40 85 35 102 30 1...

Page 58: ...sensors are connected to the electrical supply 5 Check that the connections behind the insulation caps are secure Re move both insulation caps by pulling carefully on the points marked 6 The backup he...

Page 59: ...ing below 5 Select the 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 tha...

Page 60: ...ect 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 anticlockw...

Page 61: ...61 CTC GSi 16...

Page 62: ...tion data system CTC GSi 16 Stored oper data Compressor Heating circuit Operation data heating Installer Time Language Settings Define system Service Software display PCB 20120205 Software HP PCB 2012...

Page 63: ...rrent sensors Re installation Total operation time h 14196 Max primary flow C 51 Electric Heating kWh 20 Compressor Total operation time 1540 Stored oper data Compressor Compressor On Charge pump On 4...

Page 64: ...your heating circuit 1 2 Room temperature heating circuit 1 If heating circuit 1 is defined the current room temperature is displayed here 2 Room temperature Heating circuit 2 If heating circuit 2 is...

Page 65: ...eating to the radiators using the set heating curve The radiator thermostats reduce the heating supplied to the section of the house where a fire is burning 12 2 1 Setting without a room sensor If a r...

Page 66: ...ou want to have night reduction the temperature is normal at other times Block This menu allows you to set a reduction for a number of days during the week for example if you work elsewhere on weekday...

Page 67: ...green frame around the icon for this menu disappears Extra DHW On Off You select this option if you want to activate the Temporary extra DHW function When this function is activated the heat pump sta...

Page 68: ...right of the heat pump 42 C This value will vary during the year according to the parameters set and the current outdoor temperature Return heating circuit At the bottom right 34 C the return tempera...

Page 69: ...n brackets is the setpoint stop temp The setpoint is measured in the upper part of the tank DHW C 54 50 72 Display of current temperature current set point and current energy amount If no hot water is...

Page 70: ...Shows the total energy consumed by the product s electric heaters This is an indirect energy measurement based on the operating periods of the electric heaters Total operation time Displays the total...

Page 71: ...ng Compressor On Off 65 RPS Shows whether the compressor is operating or not and shows compressor speed in rps revolutions per second Charge pump On Off 47 Shows the operating status and flow of the c...

Page 72: ...tus of the radiator pump Accessories Primary flow 2 C Shows the temperature supplied to heating circuit 2 if it is installed Radiator pump 2 Shows the operating status of the radiator pump G2 Mixing v...

Page 73: ...nel Solar panel In Out C Shows the solar panel s incoming and outgoing temperatures EHS tank B47 C Shows the setpoint and current temperature in the external heat source tank EcoTank B41 B42 C Shows E...

Page 74: ...classed as accumulated Status Heating Not heating Status Shows whether the solar collector is heating or not Charging EHS tank Charging EcoTank Charging X volume Charging bore hole Status Shows wheth...

Page 75: ...e installer and user Define system is used by the installer Service is used for troubleshooting and diagnosis You will find here the options Function test Alarm history Factory settings code Quick sta...

Page 76: ...ng this option Load factory settings The product is supplied with the factory values set They can be restored by activating this function The language product and product size are retained Heating cir...

Page 77: ...ing season with constant radiator flow From summer mode there is no warming Radiator flow ceases In the menu described below Heating off out C the outdoor temperature is set which then becomes the lim...

Page 78: ...of C 5 40 40 When the outdoor temperature is lower than the preset value the night reduction stops as too much energy is consumed and it takes a long time to increase the temperature This menu overrid...

Page 79: ...to 25 C The setpoint is then raised by 5 C each day until it is equal to the Drying period temp C The final step may be less than 5 C 3 Stepped decrease After the stepped increase and 10 days at an e...

Page 80: ...the compressor is allowed to operate Brine pump on Auto 10d On After installation you can choose to run the brine pump as follows 10d runs constantly for 10 days to remove air from the system after w...

Page 81: ...hen silent mode is active NOTE The maximum output of the heat pump will decrease and the need to add heat may increase Timer silent mode This menu shows scheduled weekday periods when silent mode nois...

Page 82: ...n heater will start Diff step degree minute 50 20 300 This states the difference in degree minutes between the increments of output for the immersion heater The output of the immersion heater is Max e...

Page 83: ...if this is needed for the heating circuit Charge pump 70 25 100 Setting for charge pump G11 speed during hot water charging Only applies if the heat pump is not the sole heater Smart low price C 10 1...

Page 84: ...s menu displays the scheduled weekday periods when the DHW circulation pump is to run This schedule is repeated every week Time Extra DHW Remote control 0 0 0 0 10 0 Time in full or half hour interval...

Page 85: ...or below No means that a low estimate of the amount of hot water energy does not affect the start of hot water charging Charge stop upper lower C 55 20 65 Hot water charging is complete once both sen...

Page 86: ...Yes If a condense pipe for the system has been secured significantly lower temperatures are permitted at various points in the system WARNING Build up of condensation in the house structure can lead...

Page 87: ...nergy saving being lower The menu names that are shown in grey are not active and do not show in white until they are activated Activation is carried out in the Define system Solar panels menu 12 11 1...

Page 88: ...he solar panel cannot charge Pause 30 The time between the sensor tests is indicated here A new sensor test will start after the pause Winter break No No Yes Nov Feb The months during which there will...

Page 89: ...cooling is active heat is dumped 1 in the borehole if there is borehole recharging and 2 then in the tanks up to their maximum permitted temperature When the temperature in the solar panel goes above...

Page 90: ...o systems 1 and 3 Charge temperature C 60 10 95 Setting for the maximum permitted temperature in the EHS tank Charging stops once the set temperature has been reached Maximum permitted tank temp C 70...

Page 91: ...tection function Over temp protection panel is activated 12 11 6 Recharging of bedrock settings Recharging active No No Yes The recharging of borehole function is activated here The function is design...

Page 92: ...tat function Charge start diff temp C 7 3 30 Here you can set the temperature difference determining when charging to the EHS tank should start The EcoTank in system 2 must be this many degrees warmer...

Page 93: ...e 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 should start The temperature mus...

Page 94: ...0 0 2 5 0 The permitted difference between the start and stop temperature in the pool is specified here Max time Pool 20 10 150 When there is a need for pool heating and heating hot water the maximum...

Page 95: ...ned 12 14 External heat source EHS Charge start C 70 This is the minimum temperature required in the external heat source tank B47 for the mixing valve to open and emit heat to the system Stop diff C...

Page 96: ...hether the room sensor should be connected to the system Select whether the room sensor for the heating circuit is connected or wireless Cable Wireless For the wireless room sensor refer to the releva...

Page 97: ...hone number is shown here Phone Number 2 The second activated phone number is shown here Hardware Version The hardware version of the SMS accessory is shown here Software version The software version...

Page 98: ...rging to bedrock bore hole or ground coil is installed only possible for ground source heat pumps Alternate charging No No Yes This function activates system 3 The function lets you choose to prioriti...

Page 99: ...option requires the Expansion Card A3 accessory in order for DHW circulation to be checked by the product DHW Alternative with external DHW pump which is not controlled by the product Does not require...

Page 100: ...lay card A2 there are 2 inputs of 230 V and 2 potential free inputs extra low voltage 12 V that can be programmed Open circuit no external effect Closed circuit active function externally Designation...

Page 101: ...arrow 1 Here the normal mode has been selected as Heating mode On When this is done you programme what is to happen at Remote Control Heating external mode HS1 closed input arrow 2 Arrow 2 indicates...

Page 102: ...electrical output are blocked when ripple control is active Extra domestic hot water You select this option if you want to activate the Temporary extra DHW function Flow level switch In some cases ex...

Page 103: ...ese ventilation functions can be activated For more information please refer to the CTC EcoVent manual 12 19 Smart Grid The Smart Grid function selects different heating options depending on the price...

Page 104: ...id Normal mode is activated for the heating systems Smart low price or smart overcapacity is not activated The reason for this is to avoid a conflict between heating and cooling For example if there i...

Page 105: ...pacity mode A Closed B Closed With room sensor Room temp setpoint is increased by 2 C Factory setting Smart overcap C Without room sensor Primary flow setpoint is increased by 2 C Factory setting Smar...

Page 106: ...ested separately or together All control functions are shut off The only protection against incorrect operation are pressure sensors and the electric heater s superheat protection When you exit the me...

Page 107: ...carried out on the heat pump HP Compr Compressor On Off This is where the function test is carried out on the compressor The brine pump and charge pump are also operating so that the compressor will n...

Page 108: ...mp to solar panel 1 Heat exchanger pump G32 0 100 Function test of circulation pump to intermediate exchanger Borehole charging Y31 G31 Tank Borehole Function test of 3 way valve and circulation pump...

Page 109: ...ent temperatures Pool B50 Displays current pool temperature Test DHW DHW pump G5 0 0 100 Function test of the tap water pump for hot water DHW circulation pump G40 On Off Test of hot water circulation...

Page 110: ...ings This menu is intended to set the manufacturer s operational and alarm limits A 4 digit code must be specified to be able to amend these limits However you can also take a look without any code to...

Page 111: ...ying 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 releva...

Page 112: ...terials or design fault then they will contact us to check and rectify the issue Always provide the product s serial number DHW Many people want to gain maximum benefit from the heat pump s low operat...

Page 113: ...ood savings That the heat pump is operating and no error messages are displayed That there is sufficient electrical power available Increase if necessary Also check that the electric power output is n...

Page 114: ...ll air in the brine circuit Bleed thoroughly which may in some cases take up to a day Also check the ground loop See also the section entitled Connecting the brine system Reset the Low evaporation ala...

Page 115: ...o be shut down e g before drilling or digging has been carried out for the collector circuits The product comes with the compressor shut off This option is selected under the Installer Settings Heat p...

Page 116: ...not allowed to start too quickly after it has stopped The delay is usually at least 10 minutes I014 Drying period active d Indicates that the floor function is active and displays the time days remain...

Page 117: ...le to 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 fau...

Page 118: ...s 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 f...

Page 119: ......

Page 120: ...Enertech AB P O Box 309 SE 341 26 Ljungby Sweden www ctc se www ctc heating com 012 162 205 94 1 06 02 2019...

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CTC Union GSi 16, Installation And Maintenance Manual

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