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M8011 2204EN

25 January 2022

Installation and

operation manual

VSi 6-14, VMi 6-17

ÄssäControl

Summary of Contents for VSi 6-14

Page 1: ...M8011 2204EN 25 January 2022 Installation and operation manual VSi 6 14 VMi 6 17 ss Control...

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Page 3: ...18 2 6 6 Filling and bleeding the storage tank and the heating circuits 18 2 6 7 Domestic hot water connections 19 2 6 8 Speed control for heating circuit pumps 20 2 6 9 HVAC checklist 21 2 7 Electri...

Page 4: ...e functions 46 5 4 1 Manual control 46 5 4 2 Input and output states 47 5 4 3 Running information 49 5 4 4 Hot water temperature limiter 49 5 4 5 Position valve settings settings for control valves 50...

Page 5: ...rmation Keep these instructions as well as the electrical diagrams available near the device Installation commissioning or service of the appliance is to be carried out by authorized and trained perso...

Page 6: ...y to people Lifting and handling The weight of the unit presents a crush hazard Use safe work methods when lifting and handling the unit During lifting do not walk or work under the heat pump or any o...

Page 7: ...1 3 Product description VSi and VMi ground source heat pumps are especially suited for use as the primary source of heating for new and renovated residential buildings and holiday homes as well as fo...

Page 8: ...maining 25 percent is electrical power consumed by the process of extracting thermal energy A ground source heat pump system has three main components the brine circuit the compressor unit the actual...

Page 9: ...energy from the hot gas As the refrigerant releases its thermal energy the water heats up and the refrigerant cools down condensing into a liquid The liquid refrigerant is transferred through a filte...

Page 10: ...The high temperature layer in the tank is reserved for heating domestic hot water to its final temperature If required high temperature output from the upper tank can be used in the heating system Thi...

Page 11: ...The ss Cooling product family includes both wall mounted and ceiling mounted indoor units for cooling with the necessary installation accessories included Passive cooling is a very economical option s...

Page 12: ...By default the system supports control of one external supplementary heat source Control for up to 4 external heat sources is available as an optional accessory 10 70 M8011 2204EN...

Page 13: ...eating circuits have been appropriately installed After installation go through the installation checklist to avoid potential problems 2 2 Bivalent operation use with supplementary heating In certain...

Page 14: ...8 cm to the full height of the unit Leave at least 70 cm of clearance in front of the unit Leave at least 30 cm of clearance above the unit for the necessary connections V series space requirements ve...

Page 15: ...n screwed onto the bottom of the unit to provide support during transport 1 Screw the adjustable feet in the accessory package to the bottom of the heat pump 2 Unscrew the fastening screws from the wo...

Page 16: ...on Size 1 Heating circuit 1 flow 22 mm 2 Heating circuit 1 return 22 mm 3 Heating circuit 2 flow 22 mm 4 Heating circuit 2 return 22 mm 5 Domestic cold water 22 mm 6 Domestic hot water 22 mm 7 Expansi...

Page 17: ...Depending on the required orientation remove the cover plate from the opening on the left or right side Hose orientation VSi ver 1 Left Right 2 Connect the connecting pipe between the brine circuit ci...

Page 18: ...off valve in the return line If cooling units are added to the system to a height above the heat pump install a membrane expansion vessel in the system Install a bleed port to the highest point in the...

Page 19: ...brine circuit 8 Keep adding brine until the circuit has been filled 9 Leave the pump on until the fluid is clear and no gurgling can be heard from the pipes Bleed the evaporator through the bleed nip...

Page 20: ...include an expansion tank Heating circuits Heating circuit 1 HD1 is the primary heating circuit and should be reserved for spaces where a higher flow temperature is required such as for radiator heati...

Page 21: ...floor drain Install a non return valve upstream from the domestic cold water inlet Domestic hot water recirculation optional If the building features a domestic hot water recirculation system and the...

Page 22: ...g modes Proportional pressure control Constant pressure control and Constant curve control By default the pump operates in proportional pressure mode 3 If a radiator system is used and a high flow rat...

Page 23: ...tanks for the heating system and the filling unit expansion tank have been installed appropriately 3 The safety valve discharge pipe and the pressure gauge for the heating system have been installed...

Page 24: ...sor Install the outdoor sensor in a location where it measures the ambient conditions as accurately as possible To avoid the morning sun from influencing readings install the sensor to the North Weste...

Page 25: ...of these relays is to step down the output of the heat pump s electric immersion heater when the alternating current drawn through the property s main fuses is close to the fuses rating 1 Install prio...

Page 26: ...erminal cuts off power to the immersion heater s power stage that is connected to that phase e Each relay has an opening for a phase wire Draw the phase wires through the openings in the relays as fol...

Page 27: ...start checklist Before the first start check the following 1 The heating system has been appropriately connected filled and bled of air 2 The brine circuit has been appropriately connected filled and...

Page 28: ...installer or dealer The compressor only runs for a short while after which the evaporator pressure switch is tripped The fluid level in the brine circuit s fill bottle drops suddenly after the system...

Page 29: ...ess of changes in outdoor temperature Typically ss Control is used to regulate both domestic hot water heating and one or two heating circuits If the heat pump is not used for domestic hot water heati...

Page 30: ...button 3 Tap on the flag button 4 Use the flag buttons to select the desired language 4 4 Quick functions The most commonly used functions have been grouped to the main view as quick functions To acc...

Page 31: ...lue and specify a new target value in the Setting field 3 If necessary increase the speed at which room temperature is changed a Press the cogwheel button along the bottom of the screen The Room tempe...

Page 32: ...function in the first step is used 4 4 4 At home and Away The At home and Away function allows you to save energy when you are away from home for a longer period of time The function will change the t...

Page 33: ...4 5 Timers The heat pump s timer functions allow you to specify different temperature levels for different weekdays and different times of the day This is especially useful in holiday homes and locat...

Page 34: ...State column show whether a change has been scheduled for each day Green means that a temperature change has been scheduled for the relevant day and yellow that the temperature will remain at its usua...

Page 35: ...ding on the system layout the control system controls 1 3 heating circuits or a combination of 1 2 heating circuits and domestic hot water temperature Heating circuit 2 heating circuit 3 and domestic...

Page 36: ...door temperature 20 13 7 0 7 13 20 Heating water temperature 53 48 42 36 30 25 21 An example of typical value adjustments 1 If the room temperature is too cold when the outdoor temperature is 10 C sli...

Page 37: ...ting curves are higher than those specified for the storage tank the storage tank setpoints will be automatically increased Optimizing heat pump operation To achieve the best possible coefficient of p...

Page 38: ...ry The maximum temperature of domestic hot water can be specified in the Hot water temperature limiter view Access the view through Heating curve selection see section Heating curves Domestic hot wate...

Page 39: ...functions Menu functions provide access to views and settings that are useful during commissioning maintenance and troubleshooting To access the Menu view tap on the menu button in the main view Menu...

Page 40: ...mmer months Cooling Settings for optional cooling functions Language selection To change the language tap on the Language selection button There are three available languages Finnish English and Swedi...

Page 41: ...llow the heater to be used as a backup heat source check the In use checkbox To specify the delay for switching on the heater tap on the Backup device start time field The value is given in hours 4 6...

Page 42: ...mp speed slider to adjust the flow rate as a percentage of the maximum At 0 the pump will be stopped At 1 the flow rate will be at its lowest At 100 the flow rate will be at its highest Factory settin...

Page 43: ...intenance menu Room temperature control The Cooling Targets temperature view allows you to specify the indoor temperature range within which the cooling system will be operational Set the minimum and...

Page 44: ...e used for cooling one degree above the dew point The purpose of this function is to prevent condensate from accumulating in any cooling units connected To disable this function check the Manual check...

Page 45: ...ting Heat pumps with a 3 6 kg refrigerant charge are hermetically sealed and do not require annual inspection A periodic inspection service is available for our heat pumps During each inspection the h...

Page 46: ...current and the main switch are on Blown or tripped fuse Check the building s or apartment s main fuse and the heat pump s supply fuse No text on the screen Broken screen or a disconnected or broken s...

Page 47: ...in the sight glass even after some minutes of use Contact a refrigeration or appliance service This type of damage is not covered by the warranty 5 3 Alarms Active alarms When there are active alarms...

Page 48: ...y use the heat pump s maintenance functions The heat pump s maintenance menu is protected by a password Maintenance menu ver 1 To access the maintenance menu In the main view tap on the menu button Ta...

Page 49: ...Input and output states The digital inputs and outputs as well as their functions are described in the heat pump s electrical diagrams Use the Input and output states views to view the inputs and outp...

Page 50: ...itch ID19 Not in use Digital outputs Digital output states ver 1 ID Digital output NO1 Brine circuit 1 NO2 Not in use NO3 Alarm contactor NO4 Compressor 1 NO5 Condenser pump 1 NO6 Solenoid valve 1 NO7...

Page 51: ...it amount the number of heating circuits The Heating circuit amount view allows you to select the number of heating circuits connected to the heat pump There can be 1 3 heating circuits circuits 2 and...

Page 52: ...e settings ver 1 If the temperature in the lower section of the storage tank is lower than heating circuit temperature the storage tank s temperature will be automatically increased to heating circuit...

Page 53: ...e minimum and maximum values for the control valve s control voltage signal Factory settings 0 0 10 0 V AC The setting depends on the regulator being used Temperature differential 0 10 C The maximum a...

Page 54: ...ignal to either input 17 or 18 5 4 9 Soft starter alarms This view allows you to enable and disable alarms for the soft starter The available options are Soft starter and Phase guard 5 4 10 Super heat...

Page 55: ...opens a new view see below Cooling Manual Manual operation is intended only for testing the system s operation The Cooling Manual view allows you to change the system s operating mode and bypass measu...

Page 56: ...valve used in free cooling Cooling Threeway valve ver 1 5 4 13 Return factory settings resetting the heat pump This view allows you to reset the heat pump s settings to factory defaults as well as bro...

Page 57: ...stments made to the refrigerant circuit during installation VSi 6 14 Heat pump VSi 6 VSi 8 VSi 10 VSi 12 VSi 14 Weight kg 330 332 334 338 340 Compressor type Scroll Refrigerant R407C Refrigerant charg...

Page 58: ...O 3744 2010 test point B0 W55 6 2 Heat pump dimensions Legend Item Description Item Description BI Brine in BO Brine out DS WI Desuperheater water in DS WO Desuperheater water out WI Heating water in...

Page 59: ...Dimensional drawings VSi 10VS14_2 VSI 1 ver 1 10VS14_2 VSI 2 ver 1 M8011 2204EN 57 70...

Page 60: ...Dimensional drawings VMi 10VMI141_2 VMI 1 ver 1 10VMI141_2 VMI 2 ver 1 58 70 M8011 2204EN...

Page 61: ...cable size is 5 x 6 mm 2 Power connection VMi 6 17 Heat pump VMi 6 VMi 9 VMi 11 VMi 14 VMi 17 Mains connection 400 V 3 50 Hz Starting current A 17 23 32 35 43 Operating current at 35 55 C A 3 28 4 18...

Page 62: ...erature 55 C kW 1 72 2 34 3 10 3 44 4 31 Tested in accordance with ISO 3744 2010 test point B0 W55 Capacity data VMi 6 17 Heat pump VMi 6 VMi 9 VMi 11 VMi 14 VMi 17 Heating capacity heating system tem...

Page 63: ...irements System refers to the combination of a heat pump and a temperature regulator EU 811 2013 Energy efficiency data VMi 6 17 Heat pump VMi 6 VMi 9 VMi 11 VMi 14 VMi 17 COP heating system at 35 C 4...

Page 64: ...92 3 89 SPFspaces 0 35 4 69 4 84 4 97 4 88 4 84 SPFspaces 0 45 3 77 3 89 3 99 3 92 3 89 SPFspaces 0 55 3 18 3 28 3 37 3 31 3 28 Space heating SPFspaces 0 60 2 96 3 05 3 13 3 08 3 05 Seasonal performan...

Page 65: ...rehole PEH PN6 m 900 500 550 450 1 brine circuit Horizontal loop PEM PN10 m 800 350 450 350 Borehole PEH PN6 m 1350 950 1400 750 2 brine circuits Horizontal loop PEM PN10 m 1200 800 1200 650 Theoretic...

Page 66: ...rnal pressure loss kPa 51 42 29 15 19 Radiator heating T 10K Flow l s 0 18 0 23 0 27 0 34 0 40 Max allowed external pressure loss kPa 71 69 66 57 51 Calculated with a temperature difference of T 7K 6...

Page 67: ...2 System data Heat pump model VSi 6 VSi 8 VSi 10 VSi 12 VSi 14 Temperature control class III Temperature control s contribution to system efficiency 1 5 Seasonal space heating energy efficiency in ave...

Page 68: ...4 8 4 38 Tj bivalent temperature kW COPd 5 5 3 19 7 8 3 30 9 8 3 10 10 8 3 14 14 0 3 25 Warmer climate conditions Tj operating limit temperature kW COPd 5 5 3 19 7 8 3 30 9 8 3 10 10 8 3 14 14 0 3 25...

Page 69: ...mption Load profile XL Power consumption kWh 6 44 6 19 6 47 5 52 6 30 COPDHW 3 24 3 37 3 22 3 78 3 31 Energy efficiency class A Heat pump operating limits Minimum temperature heat source C 10 Maximum...

Page 70: ...n colder climate conditions 160 157 164 165 162 In warmer climate conditions 154 154 159 160 158 Annual DHW heating energy efficiency Annual space heating energy efficiency 147 140 151 152 144 In warm...

Page 71: ...3 14 5 3 33 16 7 3 25 Tj 2 C kW COPd 7 8 3 30 9 8 3 10 11 5 3 33 14 5 3 33 16 7 3 25 Tj 7 C kW COPd 8 0 3 74 10 0 3 68 11 8 3 80 14 8 3 79 17 0 3 74 Tj 12 C kW COPd 8 2 4 43 10 3 4 42 12 2 4 56 15 3 4...

Page 72: ...mp model VMi 6 VMi 9 VMi 11 VMi 14 VMi 17 Storage tank charge time h min 2 13 1 45 1 30 1 11 1 01 Electric power required for charging storage tank kWh 4 24 4 43 4 11 4 10 4 31 Power consumption in st...

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Page 74: ...OILON GROUP P O Box 5 FI 15801 LAHTI FINLAND Tel 358 3 85 761 Fax 358 3 857 6239 Email info oilon com www oilon com Contact information of Oilon dealer Date of installation...

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