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Grant Products HPAW110 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    Grant Aer ona Air Sour ce Heat Pump Air to W ater Heat Pump Range Installation & User Instructions Part No. DOC.87 Rev .00 January 2010 T ested to BS EN 14511[...]

  • Page 2

    i STOP STOP!  Has a heat loss calculation been carried out? kW  Is this system designed for Mono or Bivalent  If Mono, total heating capacity? kW  If Bivalent, what is the load capacity of Heat Pump? kW  If Bivalent, what is/are additional heat sour ce(s)? i) kW ii) kW iii) kW  T ype of system design? i) S-plan ii) Y -plan iii) Ot[...]

  • Page 3

    Legislation ii All work that is requir ed regar ding the refrigerant cir cuit must be carried out by an F-gas register ed (or equivalent) refrigeration Engineer . On no account should maintenance or repair be carried out on the r efrigerant circuit by unqualified personnel. LEGISLA TION The installation of the Grant Aerona Heat Pump r equires a pow[...]

  • Page 4

    iii Contents Contents Stop! i Legislation ii Contents iii 1 Introduction 1 1.1 General Information 1 1.2 W arranty 1 1.3 Important Advice 1 1.4 Immersion Heater 1 2 Specifications and Controls 2 2.1 Specifications 2 2.2 Dimensions 2 2.3 Main Components 3 2.4 Heat Pump Curves 4 2.5 Pump Curves 5 2.6 Operating Sequences 5 2.7 Controls 6 3 Siting the [...]

  • Page 5

    Introduction & General Information 1 1.1 General Information The Grant Aerona Heat Pump is a low water content – low temperature heat source, designed to be highly ef ficient when installed and used in line with these installation and user instructions. It is important that these installation instructions are understood and followed to ensure[...]

  • Page 6

    2 Specifications and Controls 2 Specifications and Contr ols 2.1 Specifications 2.2 Dimensions Model HP AW65 HP AW85 HP AW110 HP AW130 HP AW155 Heating Capacity kW 6.78 8.73 11.32 12.58 15.5 Input Power kW 1.62 2.20 2.61 2.59 2.77 Running Current A 7.36 10.0 11.7 11.8 12.6 Power supply V 230 230 230 230 230 Phase Single Single Single Single Single [...]

  • Page 7

    Specifications and Controls 3 2.2 Dimensions 1120 430 235 Electrical inlet glands Flow Return 900 Front View Fan Rear View 90 90 1470 250 130 50 50 555 788 400 145 2.3 Main Components Figure 2-3: HP AW155 model Figure 2-4: Main internal components Evaporator coil Control panel (cover removed) Position of Immersion heater with Auto air vent Condensa[...]

  • Page 8

    4 Specifications and Controls 2 Specifications and Contr ols 2.4 Heat Pump Curves Water Flow T emperature 35˚C 50˚C Air T emperature in ˚C Heat Pump Output in kW -10 0 10 20 30 40 16 14 12 10 8 6 4 2 0 COP 4.1 COP 4.8 COP 3.9 COP 4.3 COP 5.8 Water Flow T emperature 35˚C 50˚C Air T emperature in ˚C Heat Pump Output in kW -10 0 10 20 30 40 16 1[...]

  • Page 9

    Specifications and Controls 5 2.5 Pump Curves Pump Head (metres) Pump Head (metres) 6 5 4 3 2 1 0 Wilo-Classic Star 0 0.5 1 1.5 2 3) Flow (m 3 /h) Flow (m 3 /h) S t a r - R S 1 5 / 6 . 2 5 / 6 2.6 Heat Pump Operating Sequences Pump OFF ON ON ON ON OFF OFF OFF OFF 0 (on) 0 (off) 25 30 25 30 Fan Comp Demand Fan Pump OFF OFF OFF OFF ON ON ON ON ON OFF[...]

  • Page 10

    6 Specifications and Controls All Grant Aerona Heat Pumps ar e supplied with 2 controllers. 1 x heat pump controller (A TC) and 1 x temperature contr oller (BTC). The A TC is positioned inside the house/building and is normally used in an automatic condition. There ar e a few parameters that can be adjusted including time and maximum water temperat[...]

  • Page 11

    Siting the Heat Pump 7 3 Siting the Heat Pump 1. Base The heat pump should be installed on a flat trowelled finished concr ete base 150mm thick. This base should extend at least 100mm beyond the unit on three sides. The edge of the concrete base on the side closest to the building should be flush with that face of the heat pump. Refer to Figure 3-1[...]

  • Page 12

    8 Siting the Heat Pump 3 Siting the Heat Pump The North face of a building will usually have colder ambient air than any other side. T o ensure maximum efficiency from the Grant Aer ona heat pump, position the unit on a warmer side. In order of pr eference, site the unit on a South face followed by either South East or South West, then by East or W[...]

  • Page 13

    Hydraulic Diagrams 9 4 Hydraulic Diagrams 4.1 S-Plan T ype - Monovalent 4.2 Extended S-Plan T ype - Monovalent Heat Pump AT C Heat Pump AT C Flow Flexible pipe Auto Bypass Isolating valve Isolating valve Return CH Flow DHW Flow CH Return DHW Return CH Return DHW Return Cylinder Stat Room Stat Internal wiring centre Heating Load Heating Load Heating[...]

  • Page 14

    10 Hydraulic Diagrams 4 Hydraulic Diagrams 4.3 S-Plan T ype - Bivalent CH Flow DHW Flow Heating Load DHW Return CH Return Room Stat Internal wiring centre Programmer Boiler 200mm minimum R F Cylinder Stat The following are examples of suitable systems Figure 4-4: Bivalent system - with boiler manifold and S-Plan type contr ols Outside wall Auto Byp[...]

  • Page 15

    Hydraulic Diagrams 11 200mm minimum CH Flow DHW Flow Outside wall 4.4 Extended S-Plan T ype - Bivalent Heating Load Heating Load DHW Return CH Return Room Stat Room Stat Internal wiring centre Programmer Boiler R F Cylinder Stat Figure 4-6: Bivalent system - with boiler manifold and extended S-Plan type contr ols Auto Bypass Flow Flexible pipe Isol[...]

  • Page 16

    12 Hydraulic Diagrams 4 Hydraulic Diagrams 4.5 Buffers T anks 4.6 S-Plan with Buffer - Monovalent The use of a buffer with the curr ent Aerona heat pump is not necessary in the majority of installations. However , it is possible to utilise a buffer if the end-user wishes to store hot water when ther e is no other demand placed on the system. There [...]

  • Page 17

    Hydraulic Diagrams 13 4.7 Extended S-Plan with Buffer - Monovalent Cylinder Stat Room Stat Room Stat Internal wiring centre Heating Load Programmer The hydraulic diagrams do not show the isolation valves, any expansion vessels, pressur e relief valves or filling loops. More information on these components can be found in section 7. ! NOTE Figure 4-[...]

  • Page 18

    14 System Design Criteria Unlike a typical condensing oil or gas fired boiler that operates at a flow of 70˚C and a return of 50˚C, a heat pump operates with a flow of between 30˚C and 60˚C. The return temperature will depend on the load of the system at a given point in time. The design of any system in the UK is typically based on 2 parameter[...]

  • Page 19

    Calculating Radiator Sizes 15 Most existing wet heating systems will use radiators as emitters. When the original system was installed, the radiators would have been sized according to the manufactur er’ s specifications. T ypically , this would have been 82ºC flow and 71ºC return with the connections being flow at the top and return at the opp[...]

  • Page 20

    16 Sealed Systems The following components are r equired to use the Grant Aerona heat pump as part of a sealed heating system. Due to the lack of space these components are not located within the heat pump, but have to be fitted external to the unit. a) expansion vessel (of the correct size to suit the volume of the system) b) Pressure relief valve[...]

  • Page 21

    Electrical 17 8.1 General The Grant Aerona Heat Pump is very simple to install and to wir e. The units are designed to meet the need for simplicity – both in installation and in servicing. As a result, the wiring involved is both minimal and simple compared to other heat pumps available. For Monovalent systems, the following cables are r equired.[...]

  • Page 22

    18 Electrical 8 Electrical Earth connections have been excluded for clarity . Ensure all earth connections are made prior to energising. Within the heat pump control panel, connect the wires as follows: Wiring Centre Heat Pump 8 1 – Common 9 2 – Heating 10 3 – DHW For multiple heating zone valves, follow the above and join all oranges from th[...]

  • Page 23

    Electrical 19 8.4 Mains Supply Cable All Grant Aerona Heat Pumps contain a 3kW immersion element as a boost heat source. This element will energise under either one or two conditions : 1. When the external ambient air temperature dr ops between -5ºC and +5ºC. This figure is variable and adjustable at the A TC. 2. When the heat pump has not seen a[...]

  • Page 24

    20 Electrical 8.5 Heat Pump Wiring Diagram 8 Electrical The Main Connections you have to make 230 V ac Compressor Heater 4-way valve Expansion V alve Disconnect Electric Element for Bivalent Switched Output Ret Gas Sensor Ext T emp Sensor Coil T emp Sensor Dis Gas Sensor Ret T emp Sensor N Compressor Fan motor Pump Relay KM2 3kW Electric Element Or[...]

  • Page 25

    Electrical 21 230 V ac Compressor Heater 4-way valve Expansion V alve Ret Gas Sensor Ext T emp Sensor Coil T emp Sensor Dis Gas Sensor Ret T emp Sensor N Compressor Fan motor Pump Relay KM2 6kW Electric Element Orange Red Blue White Blk Power Supply T erminal 3 Connection points for installer A TC Controller Socket S-Plan Controls Connections 3 2 1[...]

  • Page 26

    22 Electrical 8 Electrical Hlg Zone V alve MCB E LN LN E 4 5 6 7 8 9 1 0 1 2 3 1 Limit Control 2 c 1 2 c Programmer Room Thermostat Cylinder Thermostat CH HW Gr Br O Bl Off Figure 8-11: Central Heating connection diagram HW CH C Heat pump S-Plan controls connections 3 2 1 230V 50Hz LN MCB DHW Zone V alve LN LN E 4 5 6 7 8 9 1 0 1 2 3 1 Limit Contro[...]

  • Page 27

    Electrical 23 8.7 Wiring Diagrams LN E 456 7 89 1 0 1 Limit 2 c 1 Control 2 c Programmer Fuse CH HW Fuse Fuse HIg Zone V alve MCB L L Off O Bl Br Gr Off O Bl Br Gr DHW Zone V alve Return sensor Outdoor sensor Supply sensor 230V/24 V ac T ransformer N 13 N Room Thermostat Cylinder Thermostat 12 24 23 22 21 20 19 18 17 16 15 14 13 Relay 2 in heat pum[...]

  • Page 28

    24 Electrical 8 Electrical LN E 456 7 89 1 0 1 Limit 2 c 1 Control 2 c Programmer Fuse CH HW Fuse Fuse HIg Zone V alve MCB L L Off O Bl Br Gr Off O Bl Br Gr DHW Zone V alve 230V/24 V ac T ransformer N 13 N Room Thermostat Cylinder Thermostat 3 kW Immersion element 12 24 23 22 21 20 19 18 17 16 15 14 13 11 10 9 8 7 6 5 4 3 2 1 BTC Heat Pump PCH Cont[...]

  • Page 29

    Electrical 25 8.9 Extending the Electrics It may be part of the system design to incorporate Solar Thermal into the design. This is easily done with the use of an additional two-pole relay . Following the diagram in Figure 8-13 below will give the solar thermal system a priority over the heat pump when there is a demand for DHW only . This can, of [...]

  • Page 30

    26 Domestic Hot W ater 9.1 T emperature Contr ol The desired hot water temperatur e stored in the cylinder can be adjusted on the BTC controller . As already mentioned, the heat pump works most efficiently at lower temperatur es but these temperatures ar e not suitable for domestic hot water which should always be stored at about 60ºC. 9.2 Heat Pu[...]

  • Page 31

    Domestic Hot W ater 27 NB. Setting this override switch to OFF does not stop the automatic operation of the immersion element. The requir ed relay , manual override switch and enclosure ar e available from Grant Engineering UK Ltd as a kit. For details of this Automatic Domestic Hot W ater Boost Kit (Grant Ref. HPDHWBK1) refer to Section 15 of thes[...]

  • Page 32

    28 Filling the System 10 Filling the System 10.1 Filling and V enting - Sealed Systems 1. T o vent the heat pump – All Grant Aerona heat pumps ar e fitted with a single automatic air vent on the top of the electric immersion element housing. Check that the small cap on the automatic air vent is screwed on fully , then unscrew it one complete turn[...]

  • Page 33

    Commissioning 29 11 Commissioning 11.1 Switching on First Time When switching on for the first time carry out the following procedur es in the order they appear . 1. Ensure the external mains power isolation switch is set to the ‘OFF’ position. 2. Energise the heating system inside the house. 3. Create a CH demand using the timer/programmer . 4[...]

  • Page 34

    30 Commissioning 11 Commissioning 11.2 Setting the A TC Controller The main purpose of the A TC controller is to give an overall maximum temperature contr ol over the heat pump. In contrast, the BTC controller will give accurate control over both CH and DHW temperatures, even if they each have differ ent target temperatures. There ar e 3 main condi[...]

  • Page 35

    Commissioning 31 A TC Parameters Parameter Description Range Default Comments 0 Return water temperature to start electrical heater 0˚C – 30˚C 2˚C Factory Set 1 Desired Return water temperature setting 10˚C – 60˚C 55˚C SET TO 60˚C 2 Defrost cycle 30 Min – 90Min 40Min Factory Set 3 Coil temperature point to start defr osting -30˚C – [...]

  • Page 36

    32 Commissioning 11 Commissioning 11.3 Setting the BTC Controller T o set the BTC controller . 1. Press all 3 buttons for 1 second to enter the mode setting. 2. If ‘Mode1’ is shown, press the button until ‘Mode 3’ is displayed then press ‘Item again. ‘OUTDR ST ART’ should now be displayed. 3. Scroll thr ough the menu using the button,[...]

  • Page 37

    Commissioning 33 Notes: a) Access = 1 is available at all times. T o access settings menu with access = 0, remove the front control panel cover then r emo ve the screw at the base of the BTC. Select the DIP switch 1 to ‘ON’. When the parameters have been set, switch the DIP switch back to OFF and replace the cover . b) OUTDR ST ART and BOIL ST [...]

  • Page 38

    34 Commissioning AT C Parameter Description Range Set V alue Comments 0 Return water temperature to start electrical heater 0˚C – 30˚C ˚C Do not Adjust 1 Desired Return water temperature setting 10˚C – 60˚C ˚C SET TO 60˚C 2 Defrost cycle 30 Min – 90Min Min Do not Adjust 3 Coil temperature point to start defr osting -30˚C – 0˚C ˚C [...]

  • Page 39

    Servicing & Maintenance 35 12 Servicing & Maintenance 12.1 General Grant Aerona Heat Pumps r equire only the minimum of routine servicing and maintenance. This basically consists of a visual check of the unit and should be regularly carried out (e.g. annually) to ensure that the heat pump continues to operate in a safe and efficient manner [...]

  • Page 40

    36 Fault Finding 13 Fault Finding Is there power to the heat pump? STOP! Call the helpline for assistance Is A TC in the automatic position? Is heat pump working? Press ‘M’ on the A TC until the sun symbol is illuminated Is the BTC showing any demand or WWSD? Check 24V ac to pins 12 & 24 on BTC is present? The heat pump appears to be workin[...]

  • Page 41

    Fault Finding 37 13.2 General Notes 1. If no continuity can be found between terminals 1 & 2 and/or 1 & 3 there will be a fault within the heating s-plan system. (see diagram for location of the terminals.) 2. Please go back to your design of the S-plan wiring and check it against the installation manual. In detail, trace the demand for CH [...]

  • Page 42

    T emperature Resistance T emperature Resistance T emperature Resistance T emperature Resistance ˚C k W ˚C k W ˚C k W ˚C k W -20 37.4111 2 13.0055 24 5.1978 46 2.3276 -19 35.5384 3 12.4391 25 5.0000 47 2.2493 -18 33.7705 4 11.9008 26 4.8109 48 2.1740 -17 31.1009 5 11.3890 27 4.6300 49 2.1017 -16 30.5237 6 10.9023 28 4.4569 50 2.0320 -15 29.0333 [...]

  • Page 43

    Fault Finding 39 Protection/failur e Display Inlet water temperature sensor failur e PP 1 Coil temperature sensor failur e PP 3 Ambient temperature sensor failur e PP 5 Winter anti-freeze protection PP 7 High pressur e EE 1 Low pressur e EE 2 Flow switch EE 3 Wr ong/ miss phase EE 4 Electrical shock protection EE 5 Defrosting Defrosting indicator c[...]

  • Page 44

    40 Spare Parts List 14 Spar e Parts List Part Number Description HP AW65 HP AW85 HP AW110 HP AW130 HP AW155 HP AS10 Power capacitor 50µF 1 1 0 0 0 HP AS11 Power Capacitor 60µF 0 0 1 1 0 HP AS12 Power Capacitor 70µF 0 0 0 0 1 HP AS13 Power capacitor 100µF 0 0 1 1 1 HP AS14 Fan Capacitor 4µF 1 0 0 0 0 HP AS15 Fan Capacitor 6µF 0 1 1 1 2 HP AS16[...]

  • Page 45

    Accessories 41 15 Accessories 15.1 Sealed System Kits These are r equired when the Grant Aerona Heat Pump is used as part of sealed heating system – refer to Section 7 for further details. Kit 1 (Grant Ref. HP AW55K12) 12 litre expansion vessel kit For use on heating systems with a volume of up to 110 litres* Kit contents: 12 litre expansion vess[...]

  • Page 46

    42 Glossary of T erms 16 Glossary of T erms Efficiency The word “ef ficiency” is defined as the ratio of useful heat output to energy input. For example, if we use 1 kW of energy to produce 500W of heat it is deemed to be 50% efficient. Entropy Loosely speaking, when a system’ s energy is divided into its “useful) energy (energy that can be[...]

  • Page 47

    W arranty 43 17 W arranty 17.1 The Grant Heat Pump W arranty Dear Customer Y ou are now the pr oud owner of a Grant Aerona Air Sour ce Heat Pump from Grant Engineering (UK) Limited, that has been designed to give years of reliable, tr ouble free operation. Grant Engineering (UK) Ltd. guarantees the manufacture of the heat pump including all electri[...]

  • Page 48

    GRANT ENGINEERING (UK) L TD Hopton House, Hopton Industrial Estate, Devizes, Wiltshire. SN10 2EU T elephone: 01380 736920 Fax: 01380 736991 Email: info@grantuk.com Website: www .grantuk.com[...]

  • Page 49

    T o be Completed by the Householder GRANT ENGINEERING (UK) L TD Hopton House, Hopton Industrial Estate, Devizes, Wiltshire. SN10 2EU T elephone: 01380 736920 Fax: 01380 736991 Email: info@grantuk.com Website: www .grantuk.com Title Initials Sur name Address T own County Post code T el: Home W ork Mobile Heat Pump Model Serial Number System T ype: M[...]

  • Page 50

    Guarantee Registration Car d Grant Air Source Heat Pump Guarantee Air to W ater Heat Pump Range Important - Don’t Delay! Please complete the attached reply-paid guarantee r egistration card and return it to: GRANT ENGINEERING (UK) LIMITED Hopton House, Hopton Industrial Estate, Devizes, Wiltshire SN10 2EU T el: 01380 736920 Fax: 01380 736991 Emai[...]