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Installation and service instructions

for contractors

VIESMANN

AC-Box

Pre-assembled unit for implementing the natural cooling and active cooling
functions in conjunction with brine/water heat pumps up to 17 kW

For applicability, see the last page

AC-Box

5675 895 GB

2/2015

Please keep safe.

Содержание AC-Box

Страница 1: ...ontractors VIESMANN AC Box Pre assembled unit for implementing the natural cooling and active cooling functions in conjunction with brine water heat pumps up to 17 kW For applicability see the last page AC Box 5675 895 GB 2 2015 Please keep safe ...

Страница 2: ...Isolate the system from the power supply e g by removing the separate fuse or by means of a mains isolator and check that it is no longer live Note In addition to the control circuit there may be several load circuits Danger Contact with live components can result in severe injuries Some components on PCBs remain live even after the power supply has been switched off Wait at least 4 minutes before...

Страница 3: ...t humidistat 24 V accessories 11 Electrical connection 11 Required connections 11 Additional connections 12 Overview of electrical connections 15 Switching to heat pump control unit NC AC signal 16 Shutdown signal for heat pump 230 V 16 Contact humidistat 24 V 18 Additional frost stat accessories 18 Contact humidistat signal 24 V 19 Power supply 19 Connections on plug fÖ 20 Closing the AC Box 20 4...

Страница 4: ...h a brine water heat pump Subject to the cool ing demand either the natural cooling or the active cooling function starts In natural cooling mode the temperature level of the primary circuit is directly transferred to the cooling cir cuit In active cooling mode the compressor starts As a result the available cooling capacity is significantly higher compared to natural cooling Hydraulic connections...

Страница 5: ...1 B06 to B17 Vitocal 350 G type BW BWC 351 A07 Information regarding operation In order to safeguard the transfer of the cooling capacity at all times we recommend connecting fan convectors to the AC Box If cooling by means of an underfloor heating system a contact humidistat is required See page 11 Information Product information cont 5675 895 GB Information ...

Страница 6: ...K High efficiency circulation pump M1 L Plate heat exchanger 1 M Plate heat exchanger 2 N Frost stat O AC Box P Contact humidistat 24 V accessories R Flow heating cooling circuit or separate cooling circuit S Return heating cooling circuit or separate cool ing circuit T Geothermal probe U Heat pump V DHW cylinder flow W DHW cylinder return Switching states of the integral 2 way valves and circulat...

Страница 7: ...nnection line AC Box brine outlet D Primary circuit flow AC Box brine outlet E Primary circuit return AC Box brine inlet F Flow heating cooling circuit or separate cooling circuit G Return heating cooling circuit or separate cooling circuit H Secondary circuit connection line AC Box heating water outlet K Secondary circuit connection line AC Box heating water inlet L Secondary circuit connection l...

Страница 8: ...d appliance damage The installation room must be dry and free from the risk of frost Ensure ambient temperatures between 0 and 35 C Danger Dust gases and vapours can be damaging to health and cause explosions Avoid dust gases and vapours in the installation room Please note Overloading the floor can result in damage to the building structure Observe the permissible floor load Take the total weight...

Страница 9: ... appliance with its adjustable feet Hydraulic connection To prevent corrosion damage provide all hydraulic pipes with thermal insulation as vapour diffusion proof installation on the brine and cold water sides in accordance with current engineering standards Installation sequence Siting the AC Box 5675 895 GB Installation ...

Страница 10: ...5 2x 3 2x 2x Fig 4 Note Thermally insulate the connections of the AC Box and the heat pump with vapour diffusion proof adhesive tape A to D Hydraulic connection lines See the following table Installation sequence Hydraulic connection cont 5675 895 GB Installation ...

Страница 11: ...ermally insulate the pipe joints and the area around the contact humidistat with vapour diffusion proof insulating tape Electrical connection Danger Damaged wiring insulation wiring can lead to serious injury from electrical current and result in appliance damage Route cables so that they cannot touch very hot vibrating or sharp edged components Danger Incorrect wiring can lead to serious injury f...

Страница 12: ...AC Box for the ac tive cooling function aMAE 16 SC Shutdown signal for heat pump if safety equipment has re sponded e g contact humidistat 24 V and or frost stat The shutdown signal is part of the heat pump safety chain aMG 16 Mains Power supply 1 N PE 230 V 50 Hz fÖ 19 Additional connections To connect the following components insert the con necting cables into the AC Box where they must be route...

Страница 13: ...13 Removing the front panel and side panel 3x 1 2 Fig 5 Installation sequence Electrical connection cont 5675 895 GB Installation ...

Страница 14: ... fittings on site 2 Secure the cables with cable ties to the holes at the top of the angled panel 3 Route cables into the terminal box apply strain relief fittings and connect Connect the cable of the additional frost stat to plug aBAB on the AC Box PCB See page 18 Remove the jumper from plug aBAB Connect the 24 V contact humidistat cable across terminals X4 1 and X4 2 on the AC Box PCB See page 1...

Страница 15: ...V has responded Floating changeover contact contact breaking capacity 10 to 30 V 5 A F Contact humidistat 24 V 10 mA See page 18 G aBAC If contact humidistat 24 V is connected to F remove the jumper H aBAB Additional frost stat accessories Remove jumper when connecting K Frost stat connected at the factory X1 X2 Terminal strip for valves and circulation pumps connected at the factory X4 Low voltag...

Страница 16: ...gnal connecting cable D Heat pump control unit Vitotronic 200 E Cross connect PCB X1 Earth conductor terminal strip X2 Neutral conductor terminal strip F Main PCB function components 230 V Shutdown signal for heat pump 230 V The frost stat and contact humidistat 24 V are con nected to the AC Box The shutdown signal must be connected at the heat pump control unit to ensure the compressor stops when...

Страница 17: ...ugged into the AC Box PCB at the fac tory A Cross connect PCB inside the heat pump control unit X1 Earth conductor terminal strip X3 Terminal strip for message and safety connec tion B AC Box PCB C SC connecting cable Installation sequence Electrical connection cont 5675 895 GB Installation ...

Страница 18: ...t accessories 24 V 10 mA X4 Low voltage terminal strip on the AC Box PCB 1 Connect the contact humidistat 2 Remove the jumper from plug aBAC See page 15 Additional frost stat accessories 151B 1 2 A Fig 11 A Frost stat Contact breaking capacity 230 V 8 A 1 Connect the frost stat 2 Remove the jumper from plug aBAB See page 15 Installation sequence Electrical connection cont 5675 895 GB Installation ...

Страница 19: ...e power supply for the AC Box at the power supply of the heat pump control unit Connection to the same fuse provides additional pro tection in the case of faults and when the power is switched off For this take the power consumption of the connected consumer into account fuse protec tion heat pump control unit max 16 A Heat pump installation and service instructions Danger Incorrect electrical ins...

Страница 20: ...ower supply 1 N PE 230 V 50 Hz Connections on plug fÖ 40 N L N L1 A BU GNYE BN Fig 14 A Power cable 1 N PE 230 V 50 Hz Length approx 2 5 m Connected to the AC Box at the factory via plug fÖ and routed to the outside marked Mains Closing the AC Box Fit in reverse order to Fig 5 on page 13 Installation sequence Power supply cont 5675 895 GB Installation ...

Страница 21: ...ve V2 D 2 way valve V5 E 2 way valve V7 F 2 way valve V3 G High efficiency circulation pump M1 H Plate heat exchanger 2 K 2 way valve V6 L High efficiency circulation pump M2 M 3 way diverter valve V4 N Frost stat Upkeep Internal components 5675 895 GB Maintenance ...

Страница 22: ...mbly from this parts list Position number of the individual part within the assembly from this parts list A B C D E Fig 16 A Type plate B Casing assembly C Electrical equipment assembly D Hydraulic assembly E Connection set assembly Parts lists Overview of assemblies 5675 895 GB Components ...

Страница 23: ...ial no see type plate A in Fig 16 Position number of the part from this parts list Pos Part 0005 AC Box installation and service instructions 0006 Touch up paint stick Vitosilver 0007 Touch up spray paint Vitosilver Parts lists Overview of assemblies cont 5675 895 GB Components ...

Страница 24: ...24 0006 0013 0011 0004 0011 0012 0009 0016 0007 0008 0008 0008 0010 0015 0015 0014 0014 0005 0005 0006 0008 0001 0003 0002 Fig 17 Parts lists Casing 5675 895 GB Components ...

Страница 25: ...retainer 0007 Elbow 0008 Adjustable foot 0009 Diaphragm grommets set 0010 Threaded pipe clip 7 28 mm M6 2 pce 0011 Threaded pipe clip 7 22 mm M6 2 pce 0012 Spacer sleeves 18 mm long 2 pce 0013 Spacer sleeves 6 mm long 2 pce 0014 Spring clip 0015 Cable fitting M20 with plastic nut 0016 Frost stat Parts lists Casing cont 5675 895 GB Components ...

Страница 26: ...26 0001 0013 0003 0004 0006 0007 0002 0008 0010 Fig 18 Parts lists Electrical equipment 5675 895 GB Components ...

Страница 27: ...06 Frost stat connecting cable 0007 Connecting cable for switching 0008 Connecting cable shutdown signal for heat pump 0010 Strain relief fittings 0013 Plug lJ Parts not shown Pos Part 0011 9 pole RM5 plug 0012 Plug aBA with jumper Parts lists Electrical equipment cont 5675 895 GB Components ...

Страница 28: ... 0021 0013 0021 0021 0025 0021 0021 0004 0002 0021 0021 0021 0015 0025 0012 0021 0025 0021 0025 0010 0021 0021 0004 0021 0021 0021 0017 0003 0021 0014 0021 0019 0021 0008 0025 0021 0021 0001 0021 0021 0004 0021 0021 0020 0021 0016 0006 0007 0021 0024 0022 0023 0021 0024 0022 0023 Fig 19 Parts lists Hydraulics 5675 895 GB Components ...

Страница 29: ...oling circuit pump 0012 Pipe connection piece for high efficiency primary circuit pump 0013 Pipe heating cooling circuit flow 0014 Pipe sections primary circuit flow brine 0015 Pipe sections primary circuit return brine 0016 Pipe sections primary circuit return brine 0017 Pipe connection piece for hydraulic connection line to the heat pump brine 0018 Pipe for hydraulic connection line to the heat ...

Страница 30: ...30 0003 0004 0001 0002 Fig 20 Parts lists Connection set 5675 895 GB Components ...

Страница 31: ... circuit to heat pump 0002 Connection line secondary circuit from the heat pump 0003 Connection line primary circuit from the heat pump 0004 Connection line primary circuit to the heat pump Parts lists Connection set cont 5675 895 GB Components ...

Страница 32: ...arth connection not shown A Power supply 1 N PE 230 V 50 Hz B Fuse F2 16 A C Fuse F1 6 3 A slow D Contact humidistat signal 24 V E Contact humidistat 24 V accessory F Shutdown signal for heat pump 230 V G NC signal 230 V H AC signal 230 V K Additional frost stat accessories Remove jumper when connecting L Frost stat connected at the factory Connection and wiring diagram Connection and wiring diagr...

Страница 33: ...on line primary circuit from to the heat pump brine G 1 Connection line secondary circuit from to the heat pump heating water DN 20 multi connect system Power supply 1 N PE 230 V 50 Hz 2 way valves Power supply AC operation 230 V 50 Hz Power consumption W 1 5 IP rating IP 54 3 way diverter valve Power supply AC operation 230 V 50 Hz Power consumption W 5 IP rating IP 20 Opening time s 10 Closing t...

Страница 34: ...0 Part 40 2006 11 EN 55 014 1 EN 55 014 2 EN 60 335 2 40 2003 A11 2004 A12 2005 A1 2006 Corrigendum 2006 EN 60 335 1 VDE 0700 Part 1 2007 02 In accordance with the following Directives this product is designated with _ 73 23 EEC 98 37 EC 89 336 EEC 2002 95 EC 97 23 EC 2002 96 EC Details according to the Pressure Equipment Directive 97 23 EC Category I module A Allendorf 05 May 2011 Viessmann Werke...

Страница 35: ...cuit 7 Front panel removal 13 Frost stat 6 12 14 15 16 18 21 25 32 Functions 4 Fuse 20 32 G Geothermal probe 6 H Heating water inlet AC Box 7 Heat pump 7 Heating water outlet AC Box 7 Heat pump 7 Heat pump brine inlet 7 Heat pump brine outlet 8 Heat pump control unit 16 19 20 Hydraulic Connections 9 Hydraulic connection 7 10 Hydraulic connection lines 11 31 Hydraulic connections 4 Hydraulic functi...

Страница 36: ...ety connections 17 Neutral conductor 16 Tightening torques 11 Transport 8 Type plate 22 V Validity 5 VDE regulations 19 W Wall clearance 8 Weight 33 Applicability Serial No 7554884 Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2...

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