Nibe AXC 50, Installer Manual

Page 1: ...Installer manual LEK AXC 50 Accessories IHB GB 1222 1 231158...

Page 2: ......

Page 3: ...al circuit diagram 19 6 Hot water comfort 20 General 20 Pipe connections 20 Outline diagram 21 Electrical connection 22 Program settings 23 Electrical circuit diagram 24 7 Groundwater pump 25 General...

Page 4: ...lation tape 1 x Kit for accessory card 1 x Aluminium tape 2 x Temperature sensor 2 x Component positions LEK AA5 X4 AA5 S2 AA5 X2 AA5 X9 X1 FA1 AA5 F1 AA5 Electrical components Miniature circuit break...

Page 5: ...If several accessories are to be connected or are already installed the following instructions must be followed The first accessory card must be connected directly to the terminal block X6 in F1345 Th...

Page 6: ...agram Shunt valve The shunt valve QN11 is located on the flow line to the climate system after the heat pump according to the outline diagram AB B A Connect the flow line from the heat pump to the ext...

Page 7: ...addition QN11 Miscel laneous Manometer brine side BP6 Temperature sensor hot water flow BT70 Accumulator tank with hot water coil CP10 CP11 Buffer vessel UKV CP20 Expansion vessel closed brine side C...

Page 8: ...the addition is blocked 24 20 21 22 23 15 16 17 18 19 13 14 7 WHUQDO 8QLW ER WHUQDO EORFNLQJ Caution The relay outputs on the accessory card can have a max load of 2 A 230 V in total Connection of the...

Page 9: ...e done in the menu system Menu 5 2 4 accessories Activating deactivating of accessories Select shunt controlled add heat Menu 5 3 2 shunt controlled add heat Here you can perform the following setting...

Page 10: ...Electrical circuit diagram AXC 50 Chapter 3 Shunt controlled additional heat 8...

Page 11: ...sensor External flow temperature sensor BT25 connected in F1345 must be installed on the flow line to the radiat ors after the additional heat K Install the temperature sensors with cable ties with t...

Page 12: ...n valve RM10 RM13 Miscel laneous Manometer brine side BP6 Accumulator tank with hot water coil CP10 CP11 Buffer vessel UKV CP20 Expansion vessel closed brine side CM3 Collector brine side EP12 Safety...

Page 13: ...22 23 15 16 17 18 19 13 14 WHUQDO 8QLW ER WHUQDO EORFNLQJ Caution The relay outputs on the accessory card can have a max load of 2 A 230 V in total Connection of the circulation pump GP10 Connect the...

Page 14: ...to start Set max permitted number of additional steps If binary stepping is to be used Caution start diff additional heat in the menus 5 3 6 connected to AXC 50 and 4 9 3 connected internally in F134...

Page 15: ...Electrical circuit diagram 13 Chapter 4 Step controlled additional heat AXC 50...

Page 16: ...low line after the heat pump indoor module before the first radiator in the climate system 1 The return line from the addition al climate system must be connected to the shunt valve and to the return...

Page 17: ...AXC 50 AA5 Flow temperature sensor extra climate system BT2 Return line sensor extra climate system BT3 Circulation pump extra climate system GP20 Shunt valve QN25 Climate system 3 EP22 Climate system...

Page 18: ...HQ15 HQ14 RM12 RM13 QM54 FL12 QM55 QM56 QM57 FL13 HQ13 RM11 HQ12 RM10 QM50 QM51 FL10 QM52 QM53 FL11 EB100 EP15 EP14 EB100 EB100 BT6 CP10 RN63 RN62 CP11 RN60 RN61 EB100 QN10 BT3 BT2 EP21 GP20 QN25 AA5...

Page 19: ...Connect the return line sensor to AA5 X2 21 22 Room temperature sensor extra climate system BT50 optional Connect the room temperature sensor to AA5 X2 19 20 External adjustment optional A potential...

Page 20: ...ystems are installed Menu 5 1 2 max flow line temperature Setting the maximum flow temperature for each climate system Menu 5 3 3 extra climate system Mixing valve settings for extra installed climate...

Page 21: ...Electrical circuit diagram 19 Chapter 5 Extra climate system AXC 50...

Page 22: ...ve FQ1 is located on the outgoing hot water line from the water heater according to the outline diagram AB A B Connect the incoming cold water via the T pipe to the port B on the mix ing valve closes...

Page 23: ...t water FQ1 Circulation pump domestic hot water circulation GP11 Auxiliary relay immersion heater KA1 Non return valve RM23 Trim valve RN20 Connection box XD1 Miscel laneous Manometer brine side BP6 E...

Page 24: ...QLW ER Caution The relay outputs on the accessory card can have a max load of 2 A 230 V in total Connection of the hot water circulation pump GP11 Connect the circulation pump GP11 to AA5 X9 8 230 V A...

Page 25: ...day How long the hot water circulation pump must run per operating instance How long the hot water circulation pump must be stationary between operating instances Menu 5 3 8 hot water comfort Here you...

Page 26: ...Electrical circuit diagram AXC 50 Chapter 6 Hot water comfort 24...

Page 27: ...side FL13 FL14 Particle filter HQ12 HQ15 Shut off valve brine side QM50 QM53 Shut off valve heating medium side QM54 QM57 Reversing valve heating hot water QN10 Non return valve RM10 RM13 Collector br...

Page 28: ...ON 1 2 3 4 5 6 7 8 X9 X2 24 20 21 22 23 15 16 17 18 19 10 11 12 13 14 5 6 7 8 9 1 1 N L PE PE 1 2 3 4 5 6 7 8 2 3 4 5 6 7 8 9 2 3 4 X8 X4 X10 X1 AA5 S2 ON 1 2 3 4 5 6 7 8 Program settings Program set...

Page 29: ...Electrical circuit diagram 27 Chapter 7 Groundwater pump AXC 50...

Page 30: ...pipe connections to passive cooling on brine out see the outline diagram Shunt valve The shunt valve QN18 is located in the brine system on the flow line from the heat pump via the T pipe connec tions...

Page 31: ...ng return line BT65 Fan convectors EP13 Circulation pump cooling GP13 Shut off valve QM40 QM41 Mixing valve cooling QN18 Non return valve RM40 Miscel laneous Manometer brine side BP6 Accumulator tank...

Page 32: ...UQDO EORFNLQJ 7 7 Caution The relay outputs on the accessory card can have a max load of 2 A 230 V in total Connection of the circulation pump GP13 Connect the circulation pump GP13 to AA5 X9 2 230 V...

Page 33: ...trol cooling How much the room temperature may decrease or in crease compared to the desired temperature before switching to heating respectively cooling requires room sensor Misc shunt settings Menu...

Page 34: ...Electrical circuit diagram AXC 50 Chapter 8 Passive cooling 4 pipe 32...

Page 35: ...heat pump 4 Heating medium to and from the climate system Shuttle valve The three way valve QN12 is located in the brine system on the flow line from the heat pump according to the outline diagram A B...

Page 36: ...ne to the radiat ors after the shunt valve QN18 K Install the temperature sensors with cable ties with the heat conducting paste and aluminium tape Then insulate with supplied insulation tape NOTE Sen...

Page 37: ...exchanger cooling EP6 Reversing valve cooling heating QN12 Mixing valve cooling QN18 Non return valve RM12 Miscel laneous Manometer brine side BP6 Accumulator tank with hot water coil CP10 CP11 Buffer...

Page 38: ...When the contact closes cooling operation is blocked 24 20 21 22 23 15 16 17 18 19 13 14 WHUQDO 8QLW ER WHUQDO EORFNLQJ Caution The relay outputs on the accessory card can have a max load of 2 A 230 V...

Page 39: ...1 9 5 cooling settings Here you can perform the following settings Lowest flow line temperature when cooling Desired flow temperature at an outdoor air temperature of 20 and 40 C Time between cooling...

Page 40: ...Electrical circuit diagram AXC 50 Chapter 9 Passive cooling 2 pipe 38...

Page 41: ...several compressors are available these will start with a difference of the set degree minutes NOTE This system solution means that the brine will also circulate through the heating system Check that...

Page 42: ...lator tank with hot water coil CP10 CP11 Buffer vessel UKV CP20 Expansion vessel closed heating medium side CM1 Expansion vessel closed brine side CM3 Collector brine side EP12 Safety valve heating me...

Page 43: ...e connected to AA5 X2 21 22 to block active cooling operation When the contact closes active cooling is blocked 24 20 21 22 23 15 16 17 18 19 13 14 WHUQDO 8QLW ER WHUQDO EORFNLQJ 3DVVLYH FRROLQJ FWLYH...

Page 44: ...1 2 1 2 3 4 5 N L PE 6 7 8 9 3 2 1 41 8QLW ER WHUQDO RQWURO Connection of any circulation pump GP13 Connect the circulation pump GP13 to AA5 X9 8 230 V AA5 X9 7 N and X1 3 PE 1 2 3 4 5 6 7 8 9 L N PE...

Page 45: ...e room temperature may decrease or in crease compared to the desired temperature before switching to heating respectively cooling requires room sensor Degree minute levels for cooling Misc shunt setti...

Page 46: ...Electrical circuit diagram AXC 50 Chapter 10 Passive active cooling 2 pipe 44...

Page 47: ......

Page 48: ...NIBE AB Sweden Hannabadsv gen 5 Box 14 SE 285 21 Markaryd info nibe se www nibe eu 231158...