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General

All electrical equipment, except the outdoor sensors,
room sensors and the current sensors are ready connec-
ted at the factory.

• Electrical installation and wiring must be carried out

in accordance with the stipulations in force.

• Disconnect S1255 before insulation testing the house

wiring.

• If the building is equipped with an earth-fault breaker,

S1255 should be equipped with a separate one.

• S1255 must be installed via an isolator switch. The

cable area has to be dimensioned based on the fuse
rating used.

• If a miniature circuit breaker is used, this must have

motor characteristic "C" as a minimum. See section
"Technical specifications" for fuse size.

• To prevent interference, sensor cables to external

connections must not be laid close to high voltage
cables.

• The minimum area of communication and sensor

cables to external connections must be 0.5 mm² up
to 50 m, for example EKKX, LiYY or equivalent.

• Electrical wiring diagram for the heat pump, see sep-

arate Installer Manual.

• When cable routing in S1255, the cable grommets

(UB1 and UB2) must be used.

UB1

UB2

FC1

NOTE

Electrical installation and any servicing must
be carried out under the supervision of a quali-
fied electrician. Disconnect the current using
the circuit breaker before carrying out any ser-
vicing.

NOTE

If the supply cable is damaged, only NIBE, its
service representative or similar authorised
person may replace it to prevent any danger
and damage.

NOTE

Check the connections, main voltage and phase
voltage before the machine is started, to pre-
vent damage to the heat pump electronics.

NOTE

Do not start the system before filling up with
water. Components in the system could be
damaged.

MINIATURE CIRCUIT-BREAKER

The operating circuit in S1255 and some of its internal
components are fused internally by a miniature circuit
breaker (FC1).

S1255-6 3x400 V is not equipped with miniature circuit
breakers (FC1).

NIBE S1255

Chapter 5 | Electrical connections

18

5 Electrical connections

Содержание S1255-12

Страница 1: ...IHB EN 2001 2 531086 INSTALLER MANUAL Ground source heat pump NIBE S1255...

Страница 2: ...for your installation s climate system here Smartguide helps you both to view information about the current status and to make the most common settings easily The information that you see depends on...

Страница 3: ...ng 28 Preparations 28 Filling and venting 29 Start up and inspection 32 Setting the heating curve 34 7 myUplink 34 Specification 34 Connection 34 Range of services 34 Mobile apps for myUplink 35 8 Con...

Страница 4: ...icates tips on how to facilitate using the product Marking The CE mark is obligatory for most products sold in the EU regardless of where they are made CE Classification of enclosure of electro techni...

Страница 5: ...hed System vented Antifreeze Level Expansion vessel Filterball particle filter Safety valve Shut off valves Circulation pump setting Heating medium side System flushed System vented Expansion vessel F...

Страница 6: ...ll with its back to an outside wall ideally in a room where noise does not matter in order to eliminate noise problems If this is not possible avoid placing it against a wall behind a bedroom or other...

Страница 7: ...G25 1 Not Italy and the DACH countries LOCATION The kit of supplied items is placed in packaging on top of the heat pump Handling panels OPEN FRONT HATCH Press the hatch s top left corner to open it...

Страница 8: ...section against the frame and screw it into place REMOVE SIDE PANEL The side panels can be removed to facilitate the install ation 1 Remove the screws from the upper and lower edges UN 2 Twist the pa...

Страница 9: ...Assembly takes place in the reverse order Removing insulation The insulation can be removed to make installation easier UN 9 Chapter 2 Delivery and handling NIBE S1255...

Страница 10: ...QM33 Shut off valve brine in QM34 Shuttle valve climate system water heater QN10 SENSORS ETC Flow meter BF1 Temperature sensors heating medium flow BT2 Temperature sensor hot water charging BT6 Tempe...

Страница 11: ...TRICAL COMPONENTS Base card AA2 Electrical anode board1 AA8 Temperature limiter FQ10 FQ10 S2 Reset button for temperature limiter Choke2 RA3 1 Only heat pump with enamelled vessel 2 Only for S1255 12...

Страница 12: ...ine pump GP2 Drainage climate system QM1 Draining brine side QM2 SENSORS ETC High pressure pressostat BP1 Low pressure pressostat BP2 Temperature sensors heating medium return BT3 Temperature sensor b...

Страница 13: ...component parts NOTE Water may drip from the safety valve s over flow pipe The entire length of the overflow water pipe must be routed to a suitable drain and be inclined to prevent water pockets and...

Страница 14: ...circuit and if necessary to the water heater If there is a greater need for heating hot water than the compressor can provide there is an integrated immersion heater XL 1 6 3 7 2 4 Connection heating...

Страница 15: ...t the top connection 2 Angle the pipe in the desired direction 3 If necessary cut the pipe to the desired length CONNECTING THE BRINE SIDE Insulate all indoor brine pipes against condensation The leve...

Страница 16: ...be connected in several different ways some of which are shown below Further option information is available at nibe eu ODM and in the respective assembly instructions for the ac cessories used See p...

Страница 17: ...sation Where the cooling demand is high fan convectors with drip trays and drain connection are needed The brine system must be supplied with a pressure expansion vessel If there is a level vessel thi...

Страница 18: ...ample EKKX LiYY or equivalent Electrical wiring diagram for the heat pump see sep arate Installer Manual When cable routing in S1255 the cable grommets UB1 and UB2 must be used UB1 UB2 FC1 NOTE Electr...

Страница 19: ...AUX6 9 AUX7 10 AUX8 11 AUX9 12 BT25 1 1 2 3 2 3 4 5 6 7 8 9 10 11 12 GND 12V B A OT OT 0 5V PWM0 PWM1 CPU EXT COM INT COM ERROR POWER 5V GND BE1 BE2 BE3 K10 X27 NO O NC AUX RELAY 13 BT50 14 BT1 X30 FQ...

Страница 20: ...tion 3x400V AA2 X1 AA2 X6 1 PE N L1 L2 L3 1 2 3 4 If separate supply to the compressor and electric heater is required see section External blocking of functions Tariff control If the voltage to the i...

Страница 21: ...sition where a set temperature is required A suitable location might be for example on a free inner wall in a hall approx 1 5 m above the floor It is important that the room sensor is not obstructed f...

Страница 22: ...ctor in to the distribution box to measure the current The distribution box is an appropriate install ation point Connect the current sensors to a multi core cable in an enclosure directly adjacent to...

Страница 23: ...elect to which AUX connection each function con nects Selectable inputs for these functions are AA2 X28 3 11 Each function connects to any input and GND AA2 X29 6 7 8 5 4 3 AUX4 AUX5 AUX6 AUX3 AUX2 AU...

Страница 24: ...of the following Blocking A Closed B Open SG Ready is active The compressor in S1255 and additional heat are blocked in the same way as today s tariff blocking Normal mode A Open B Open SG Ready is n...

Страница 25: ...immersion heater for 3x400 V is switched to maximum 9 kW according to table Setting maximum output in the electric additional heat is done in menu 7 1 5 1 Power steps of the immersion heater The tabl...

Страница 26: ...tion kW 0 0 2 2 0 5 4 3 1 0 6 5 1 5 8 7 2 0 10 9 2 5 13 0 3 0 15 2 3 5 17 4 4 0 19 6 4 51 1 Factory setting 1x230 V S1255 12 Max phase current L1 A Max electric al addition kW 0 0 4 3 1 0 8 7 2 0 13 0...

Страница 27: ...lamp turns yellow To activate when S1255 is running press and hold the on off button SF1 for 2 seconds and select emergency mode from the shutdown menu To activate when S1255 is switched off press and...

Страница 28: ...r can be released This means that the system is not necessarily bled despite the flow of water when the vent valve QM22 is opened FILLING THE HOT WATER HEATER 1 Open a hot water tap in the house 2 Fil...

Страница 29: ...ion Control Introduction for a more detailed introduction to the installation s control system operation menus etc If the building is cooled when S1255 starts the com pressor may not be able to meet t...

Страница 30: ...omatically controlled in standard mode Certain functions and accessories may require it to run manually and the correct speed must then be set This automatic control occurs when the compressor is runn...

Страница 31: ...h difference indicates a low heating medium supply and a low difference indicates a high heating medium supply Read off what speed the heating medium pump should have during manual operation from the...

Страница 32: ...indoor temperature CURVE COEFFICIENT The slope of the heating curve indicates how many de grees the supply temperature is to be increased reduced when the outdoor temperature drops increases A steeper...

Страница 33: ...C Min supply temperature Max supply temperature Curve offset Curve coefficient Climate system Max Min 1 Select the climate system if more than one for which the curve is to be changed 2 Select curve...

Страница 34: ...users DISCONNECT USERS You can choose to disconnect the users who are con nected to your system You do this by going to menu 5 1 myUplink NOTE Once you have disconnected all users no one can monitor o...

Страница 35: ...o the network you can update the software without using the USB port See section myUplink THE ON OFF BUTTON The on off button SF1 has three functions start switch off activate emergency mode To start...

Страница 36: ...see all text Menu types HOME SCREENS Smartguide Smartguide helps you both to view information about the current status and to make the most common set tings easily The information that you see depend...

Страница 37: ...the service details in menu 4 11 1 PRODUCT OVERVIEW Update Product name Serial number Software Service 13 45 3 October Company AB Telephone number VVM S320 06919618030101 0 5 1 Drop down menu From the...

Страница 38: ...tings Yes please take me to Smartguide Hi Your system is working properly Do you want help making changes 13 45 3 October You can always press X to return to the home screens Indoor climate Hot water...

Страница 39: ...30 8 Point offset 1 Consult the accessory s Installer Manual MENU 1 1 TEMPERATURE You make temperature settings for S1255 here In installations with several climate systems temperat ure settings can...

Страница 40: ...em such as underfloor heating may be inappropriate for controlling with room sensors Factor system You can also set a factor that determines by how much the difference between the desired and current...

Страница 41: ...for each system MENU 1 30 4 LOWEST SUPPLY HEATING heating Setting range 5 80 C Set the minimum temperature on the supply temperat ure to the climate system This means that S1255 never calculates a tem...

Страница 42: ...even TIP If it feels cold in the house at e g 2 C out door temp point is set to 2 and change in curve is increased until the desired room temperature is maintained Caution Wait 24 hours before making...

Страница 43: ...less hot water at a lower tem perature than the other alternatives This mode can be used in smaller households with a small hot water re quirement Medium Normal mode gives a larger amount of hot wate...

Страница 44: ...lation accessories the exhaust temperature is also shown MENU 3 3 ENERGY LOG Number of months Setting range 1 24 months Number of years Setting range 1 5 years Here you can see a diagram showing how m...

Страница 45: ...ly is selected select able options are shown further down Tick the functions you want to permit Operating mode auto In this operating mode S1255 automatically selects which functions are permitted Ope...

Страница 46: ...ave an hourly tariff agreement and an active myUplink account Smart price adaption moves the heat pump s consump tion over 24 hours to periods with the cheapest electri city tariff which gives savings...

Страница 47: ...set up to four different periods on weekdays Monday to Friday or four different periods on weekends Saturdays and Sundays MENU 4 8 TIME AND DATE Set time and date display mode and time zone here TIP...

Страница 48: ...r or control your installation via myUplink without requesting a new connection string MENU 5 2 NETWORK SETTINGS Here you choose whether your system connects to the Internet via wifi menu 5 2 1 or via...

Страница 49: ...er have time to regain usual levels Caution Holiday settings finish on the selected date If you want to repeat the holiday setting once the end date has passed go into the menu and change the date MEN...

Страница 50: ...2 7 1 8 1 Alarm actions 7 1 8 Alarm 7 1 8 2 Emergency mode 7 1 9 Load monitor 7 1 10 1 Operating priority 7 1 10 System settings 7 1 10 2 Auto mode setting 7 1 10 3 Degree minutes setting 7 2 1 Add re...

Страница 51: ...current operating mode for example in heating or hot water operation Which operating modes can be changed depends on which accessories are connected Heating auto Alternative on off Minimum permitted s...

Страница 52: ...mperature in Set the temperature at which the heat pump is to activ ate the alarm for high temperature in incoming brine Select Alarm activated to activate the alarm MENU 7 1 3 COMPRESSOR This menu co...

Страница 53: ...40 0 20 0 C The type of heating distribution system the heating medium pump works towards is set here dT at DOT is the difference in degrees between supply and return temperatures at design outdoor te...

Страница 54: ...AUTO MODE SETTINGS Stop heating Setting range 20 40 C Stop additional heat Setting range 25 40 C Filtering time Setting range 0 48 h Stop heating Stop additional heat In this menu you set the tempera...

Страница 55: ...at pumps Here you can search for activate or deactivate connected heat pumps Caution In multi installations each heat pump must have a unique ID You enter this for each heat pump that is connected to...

Страница 56: ...he function counts degree minutes in the same way as during normal heating op eration but for the supply temperatures that are set for the respective period NOTE During active underfloor drying the he...

Страница 57: ...ion Too many quick starts in a short space of time may damage the compressor and its auxiliary equipment MENU 7 9 LOGS Under this menu there are logs that collect information about alarms and changes...

Страница 58: ...cy mode from the shutdown menu To activate when S1255 is switched off press and hold the on off button SF1 for 5 seconds Deactivate the emergency mode by pressing once When S1255 is put in emergency m...

Страница 59: ...be carried out Draining the entire climate system If the entire climate system requires draining do this as follows 1 Connect a hose to the bleed valve QM1 and open the valve Some liquid will run out...

Страница 60: ...SENSOR DATA Voltage VDC Resistance kOhm Temperature C 3 256 351 0 40 3 240 251 6 35 3 218 182 5 30 3 189 133 8 25 3 150 99 22 20 3 105 74 32 15 3 047 56 20 10 2 976 42 89 5 2 889 33 02 0 2 789 25 61 5...

Страница 61: ...ect the pipe connection under the shut off valve QM31 4 Remove the two screws 5 Disconnect the connectors XF2 XF11 and XF22 6 Carefully pull out the cooling module XF22 XF2 XF11 TIP The cooling module...

Страница 62: ...stored to the previ ous version Menu 8 2 Logging Setting range 1 s 60 min Here you can choose how current measurement values from S1255 should be saved onto a log file on the USB memory 1 Set the desi...

Страница 63: ...settings from the USB memory cannot be undone Manual restoring of software If you want to restore the software to the previous ver sion 1 Switch off S1255 via the shutdown menu The status lamp turns...

Страница 64: ...ditional heat produces heat and or hot water Caution To select Auxiliary operation an alarm action must be selected in menu 7 1 8 1 Alarm ac tions Caution Selecting Auxiliary operation is not the sam...

Страница 65: ...any external switches Air in the climate system Vent the climate system Closed valves to the climate system Open the valves HIGH ROOM TEMPERATURE Too high set value on the automatic heating control G...

Страница 66: ...ed to enable communication and control between inverters for solar cells from NIBE and S1255 Part no 057 188 DOCKING KIT PVT 40 PVT 40 enables S1255 to use PVT panels as brine source Part no 057 245 E...

Страница 67: ...nitoring of S1255 to be carried out in a different part of your home to where it is located Part no 067 650 SOLAR PACKAGE NIBE PV Solar panel package 3 24 kW 10 80 panels which is used to produce your...

Страница 68: ...20 50 25 60 135 210 390 465 540 650 This dimension applies at 90 angle on the brine pipes side connection The dimension can vary approx 100 mm vertically as the brine pipes consist in part of flexibl...

Страница 69: ...ng 0 kW immersion heater Recommended fuse rating 16 16 Arms Max operating current including 0 5 6 5 kW immersion heater Recommended fuse rating 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 kW Additional po...

Страница 70: ...declared tap profile3 Noise 36 47 36 47 36 43 dB A Sound power level LWA EN 12102 at 0 35 21 32 21 32 21 28 dB A Sound pressure level LPA calculated values according to EN ISO 11203 at 0 35 and 1 m r...

Страница 71: ...ng A to D 2 Scale for the system s efficiency class room heating A to G Reported efficiency for the system takes the product s temperature regulator into account 3 Scale for efficiency class hot water...

Страница 72: ...Dimensionering kompr hastighet f r F1155 1255 12 kW 230 V 0 10 5 0 5 10 15 20 25 30 10 5 15 20 25 K ldb rare in temperatur 100 50 1 Incoming brine temp C S1255 12 400V Specified heating output kW Avgi...

Страница 73: ...0 1 Incoming brine temp C S1255 16 Specified cooling output kW Framledningstemp V rmeb rare 35 C f r F1155 1255 16 kW Avgiven kyleffekt kW C 0 10 5 0 5 10 15 20 25 30 10 5 15 20 25 K ldb rare in tempe...

Страница 74: ...g output kW Framledningstemp V rmeb rare 50 C f r F1155 1255 16 kW Avgiven kyleffekt kW C 0 10 5 0 5 10 15 20 25 30 10 5 15 20 25 K ldb rare in temperatur 100 50 1 Incoming brine temp C NIBE S1255 Cha...

Страница 75: ...rm cli mate 98 102 Water heating energy efficiency warm climate dB Sound power level LWA outdoors NIBE AB Supplier S1255 12 3x230V S1255 6 3x230V Model 35 55 35 55 C Temperature application XL XL Decl...

Страница 76: ...ting energy efficiency average climate 98 98 102 Water heating energy efficiency average climate 42 44 42 dB Sound power level LWA indoors 16 12 6 kW Rated heat output Pdesignh cold climate 16 12 6 kW...

Страница 77: ...class of the package average climate 212 166 215 161 Seasonal space heating energy efficiency of the package cold climate 208 162 205 155 Seasonal space heating energy efficiency of the package warm c...

Страница 78: ...L Min outdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Add...

Страница 79: ...tdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional...

Страница 80: ...r air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional heat...

Страница 81: ...tdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional...

Страница 82: ...r air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional heat...

Страница 83: ...tdoor air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional...

Страница 84: ...r air temperature C 10 Tbiv Bivalent temperature COPcyc Cycling interval efficiency kW Pcych Cycling interval capacity C 65 WTOL Max supply temperature 0 99 Cdh Degradation coefficient Additional heat...

Страница 85: ...rm 64 Manage alarm 64 Troubleshooting 64 Docking alternatives Free cooling 17 Ground water system 16 Pool 17 Two or more climate systems 17 Ventilation recovery 17 Draining the climate system 59 Drain...

Страница 86: ...nd bleeding 30 Pump adjustment automatic operation 30 Pump adjustment manual operation 30 Pump capacity diagram brine side manual opera tion 30 Readjusting venting heat medium side 31 32 Power connect...

Страница 87: ...t list electrical cabinets 11 Component location cooling section 11 Component location electrical cabinets 11 Component locations 10 List of components 10 Transport 6 Troubleshooting 64 U USB service...

Страница 88: ......

Страница 89: ......

Страница 90: ......

Страница 91: ...nibe fi NORWAY NETHERLANDS GREAT BRITAIN ABK AS Brobekkveien 80 0582 Oslo Tel 47 23 17 05 20 post abkklima no nibe no NIBE Energietechniek B V Energieweg 31 4906 CG Oosterhout Tel 31 0 168 47 77 22 i...

Страница 92: ...y Systems All product illustrations facts and data are based on the available information at the time of the publication s approval NIBE Energy Systems makes reservations for any factual or printing e...

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