12kw air to water high efficiency heat pump (72 pages)
Summary of Contents for Grant Aerona R290
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Grant Aerona R290 Air to Water Air Source Heat Pump Range Installation & Operating Instructions IRL | DOC 0032 | Rev 00.00 February 2025...
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This manual is accurate at the date of printing but will be superseded and should be disregarded if specifications and/or appearances are changed in the interests of continued product improvement. However, no responsibility of any kind for any injury, death, loss, damage or delay however caused resulting from the use of this manual can be accepted by Grant Engineering (Ireland) ULC, the author or others involved in its publication.
HEALTH & SAFETY INFORMATION 3.13 Completion 15.1 General 3.14 Installation Checklist 14.2 Refrigerant (R290) 3.15 Aerona R290 Packaging 3.14 R290 Heat Pump Installatin Schematic 27 DISPOSAL AND RECYCLING SEALED SYSTEMS GUARANTEE Introduction USER INSTRUCTIONS Filling the Sealed System 18.1 User Instructions Draining the Water Circuit 18.2...
High pressure switch - Monitors refrigerant system pressure. When refrigerant system pressure rises above the The Grant Aerona R290 Air to Water Air Source Heat Pump range upper limit, the high pressure switches will open and then consists of five models. These are all MCS approved, air-to-water, turn off heat pump.
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- to existing residential properties. It streamlines and standardises the application process for all DNOs across GB and NI. Connect Direct is also used by LCT manufactures, like Grant. They use it to register their inverters, EV charger, and Heat pumps, thereby making them available to installers to select when submitting an application.
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REMOTE CONTROLLER KITS 1.8.1 GRANT AERONA SMART CONTROLLER The Grant Aerona R290 is designed to work exclusively with the Grant Aerona Smart heat pump system controller. If you are using a Grant Smart Pre-plumbed cylinder with the Aerona R290, you will receive the installation instructions manual with the cylinder, which will contain all the information related to Smart Controller.
1.10 HEAT PUMP COMPONENTS 1.10.1 HPR290I40 Refrigerant leakage sensor DC fan Automatic air vent Four way valve Water flow switch Water pressure sensor Water side heat exchanger DC inverter compressor Electric expansion valve Air side heat exchanger Chassis heater Electric control box Variable frequency pump Figure 1-1: Main components - HPR290i40 1.10.2...
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Refrigerant leakage sensor 1.10.3 HPR290I120 Automatic air vent DC fan Refrigerant leakage sensor Automatic air vent Water flow switch Four way valve Water flow switch Four way valve Water side heat exchanger Water pressure sensor Water side heat exchanger Safety valve DC inverter compressor Water pressure sensor Safety valve...
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DC fan Refrigerant leakage sensor 1.10.4 HPR290I160 DC fan Refrigerant leakage sensor Automatic air vent Automatic air vent Four way valve Water flow switch Four way valve Water flow switch Water side heat exchanger Water side heat exchanger Water pressure sensor Safety valve Water pressure sensor DC inverter compressor...
9.2 Main components 9.2.1 Hydraulic module 9.2.1 Hydraulic module 1.11 HYDRAULIC MODULE Components of the hydraulic module of each unit model: 1.11.1 HPR290I40 1.11.3 HPR290I90 Main components 4 kW with backup heater(standard) 4 kW with backup heater(standard) 7~9 kW with backup heater(standard) Figure 1-5: Hydraulic module - 4kW Figure 1-7: Hydraulic module - 9kW Hydraulic module...
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Table 1-5: Key items for Figures 1-5 to 1-8 Code Assembly unit Explanation Automatic air purge valve Remaining air in the water circuit will be automatically removed from the water circuit Provides additional heating capacity due to very low outdoor temperatures and also Immersion protects external water pipes from freezing Refrigerant gas pipe...
HEAT PUMP DIMENSIONS 422 mm 1155 mm 170 mm 849 mm Figure 2-1: HPR290i40 heat pump dimensions 461 mm 1223 mm 193 mm 902 mm Figure 2-2: HPR290i65 & HPR290i90 heat pump dimensions 7/9 kW 7.2 Installation requirements Check the strength and level of the installation operation.
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422 mm 1155 mm 170 mm 849 mm Figure 2-3: HPR290i120 & HPR290i160 heat pump dimensions Page 14 Section 2: Technical Data...
3 INSTALLATION INFORMATION BEFORE INSTALLATION ! NOTE ! Installation and maintenance access 1. Remove highlighted screws Read and follow all instructions before installation of the 2. Pull down firmly on handle shown below unit 4kW, 6.5kW & 9kW ! NOTE ! Please reference unit weight on supplied data labels or boxes before moving ! CAUTION !
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Aerona R290 4 kW Aerona R290 6.5 & 9 kW ! NOTE ! Aerona R290 12 & 16 kW Check that the model, specifications and quantity of units have been delivered.
A typical condensing oil or gas fired boiler operates with a flow Figure 3-4: Centre of gravity for 12kW & 16 kW output of 70°C and a return of 50°C, i.e. with a DT of 20°C. The Grant Aerona R290 heat pump is designed to operate with a flow of INTRODUCTION between 24°C and 55°C (in space heating mode) or 55°C (in...
REGULATIONS Strong wind Strong wind Installation of a Grant Aerona R290 heat pump must be in accordance with the following recommendations: • National Building Regulations, e.g. Approved Documents L & G Documents and SR50-4. • Local Bylaws (Check with the Local Authority for the area).
3.5.1 R290 REFRIGERANT The Grant Aerona R290 heat pump contains R290 refrigerant gas. The density of this gas is greater than that of air, so in the event of leakage it tends to disperse and stratify, accumulating in niches, depressions in the ground or underground regions.
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3.6.3 GROUND INSTALLATION IN A BUILDING CORNER 3.6.4 WALL INSTALLATION IN A LOW POSITION Figure 3-8: Ground installation in a corner Figure 3-9: Wall installation in a low position Table 3-4: Ground installation in a corner protective zone Table 3-5: Wall installation in a low position protective zone Item Distance (mm) Dimension...
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Dimension Distance (mm) 2100 1000 >1000 3.6.6 RAISED WALL INSTALLATION IN A LEFT-HAND CORNER Figure 3-12: Raised Wall installation in a right-hand corner Table 3-8: Raised wall installation in a right corner protective zone Dimension Distance (mm) 2100 1000 >1000 Figure 3-11: Raised Wall installation in a left-hand corner Table 3-7: Raised wall installation in a left corner protective zone 3.6.8...
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! WARNING ! Failure to adhere to these clearances may result in non- commissioning of the heat pump and may invalidate the warranty Table 3-9: Ground installation clearances 150mm Item Minimum clearance required (mm) 1000 15MM 1000 150mm 15MM Figure 3-13: Recommended heat pump base 3.6.9 CLEARANCES The following minimum clearances must be used to enable the...
WALL MOUNTED INSTALLATIONS will allow the condensate flowing from the drain holes in the base All five sizes of Grant Aerona R290 heat pump can be wall of the heat pump to safely disperse and not form a pool around mounted at a safe height, with the top of the unit no more than the heat pump that will freeze in winter months.
The heat pump is only to be used in a sealed heating heat exchanger. Therefore, protect the heat exchanger using system. It must not be used as part of an open-vented a magnetic filter such as a Grant Mag-One Duo magnetic system. filter.
Refer to section 3.7.1. Grant offer an insulated 50 litre Internal volumiser to be installed The Grant Aerona R290 software includes special functions that on the return to the heat pump. This is designed to provide both use the heat pump to protect the entire system against freezing.
One or more drain taps (to BS 2879) must be used to allow the system to be completely drained. All Grant Aerona R290 heat pumps must be used with sealed systems complying with the requirements of BS EN 12828, BS EN FILLING THE SEALED SYSTEM 12831 and BS EN 14336.
The valve is supplied open from the factory and when installed, will automatically discharge the air from the heating system during commissioning and operation. Figure 4-1: Automatic Air Vent Figure 4-2: Water circuit connection ! NOTE ! ! NOTE ! The air charge pressure may be checked using a tyre Never use Zinc-plated parts in the water circuit.
Controller. Once DHW is being provided, the flow temperature will adjust to It is possible to use the Aerona R290 heat pump to raise the the target temperature specified on the Aerona Smart controller DHW cylinder to around 50 to 55°C during the standard operating for the DHW cylinder.
Figure 6-1: Heat pump, isolator and consumer unit ! NOTE ! A Type F Residual current device (RCD) can be used with all Aerona R290 heat pumps with DC residual current measuring under 10mA across all models. Table 6-1: Electrical supply details...
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6.1.1 CONNECTING MAINS SUPPLY Guide the cable into the hydraulic PCB housing through the holes in the bottom. Remove the side panel of the R290 heat pump (left side panel when viewing from the rear) and the Open the cable clamp and pass the power cable Hydraulic PCB module panel.
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Strip the ends of connecting cables in accordance with Figure 6-6. Crimp terminals with insulating sleeves can be used if required as illustrated in Figure 6-6 for connecting the wires to the terminal block. Stranded conductors shall not be soldered. •...
DOC 0034 - smart heat pump system controller INTERNAL ELECTRIC HEATERS The Grant Aerona R290 comes factory fitted with a number of electric heaters that aid various internal functions within the heat pump. Refer to table 6-4 for heaters and related electrical specifications.
WIRING CENTRE LAYOUT 230V AC / 50Hz 37 38 39 40 41 42 43 44 45 46 47 48 49 50 13 14 15 16 17 18 19 20 21 22 L N L N L N ecoNET H2-P H3-P H1-P H2-S H3-S HDW BT 23 24 25 26 27 28 29 30 31 32 33 34 35 36...
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Wireless Grant smart room thermostat ISM wireless receiver 0.34-0.5 Volt free from Grant wiring centre to Heatmiser UH8 0.34-0.5 *Indicative only - Final cable sizing to be determined by the installer ** If above 30m, use shielded cable, ran separate from 220V cables...
• DOC 0034 - smart heat pump system controller • DOC 0033 - for systems with Grant Smart standard and pre- Securely fasten the modbus cable with the cable clamp fitted plumbed cylinder. Refit the Hydraulic PCB housing panel & side panel to the INSTALLATION REQUIREMENTS heat pump.
8 OPERATION Plate heat exchanger Water out Flow temperature Balance tank Low pressure sensor 4-way valve T4 Ambient temp. sensor Water in Discharge temp. sensor Return temperature Suction temp. sensor Filter DC fan high pressure sensor T5 Heating liquid temp. sensor Electronic expansion valve High pressure switch Air side heat exchanger...
System settings • Heat pump parameters 9.3.1 USER SETTINGS For information relating to the User settings menu on of the Grant Aerona Smart controller, refer to your supplied manual: • DOC 0034 - smart heat pump system controller Section 9: Commissioning...
DOC 0033 - for systems with Grant Smart standard and pre- heat pump. plumbed cylinder In the case of a Grant Aerona R290 heat pump, this temperature difference should be approximately 5 to 8K (or 5 TEMPERATURE CONTROL to 8°C).
Checks to electrical devices Repair and maintenance to electrical components shall Prior to performing any annual service or repair work on a Grant include initial safety checks and component inspection Aerona R290 heat pump the following guidance must be followed: procedures.
Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine Grant Aerona R290 heat pumps require only the minimum of shall be avoided as the chlorine may react with the routine maintenance. This should be carried out on an annual refrigerant and corrode the copper pipework.
• DOC 0034 - smart heat pump system controller • Correct concentration of corrosion inhibitor/biocide protection • DOC 0033 - for systems with Grant Smart standard and pre- plumbed cylinder • Heating and hot water controls settings • Any leaks on system 10.8...
The hydraulic PCB has 4 dip switch blocks present which allow for the modification of some of the working parameters of the Grant Aerona R290. Some of these may need to be amended from new depending on the system that is being installed...
11 FAULT FINDING 11.1 ERROR CODE DISPLAY ! NOTE ! When there is a fault with the heat pump, an error code will be displayed on the touch screen display. A list of all error codes and corrective actions can be found in Error codes displayed may be due to incorrect dip switch Table 11-1.
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Fault number Fault name Failure analysis Diagnosis method Solution Refrigerant Leak in refrigerant circuit Check whether there is Repair leak in refrigerant circuit leakage fault leakage in refrigerant circuit Refrigerant leakage sensor Replace refrigerant leakage failure Check whether refrigerant sensor leakage sensor is normal Hydraulic PCB is faulty Replace Hydraulic PCB...
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Fault number Fault name Failure analysis Diagnosis method Solution DC bus voltage is too low DC bus voltage is too high AC current protection (input current) IPM module is abnormal PFC abnormal Compressor failed to start Compressor phase loss E22* Inverter Module reset Compressor...
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Fault number Fault name Failure analysis Diagnosis method Solution AC input voltage is abnormal E35* Drive EEPROM error Power off reset Check all connections from the Refrigerant PCB (or Ensure all connections are Cables incorrectly connected Refrigerant & Drive PCB for E37* Reserved made correctly.
12 SPARE PARTS 12.1 SPARE PARTS 4KW, 6.5KW, 9KW, 12KW, 16KW PRODUCT REF. DESCRIPTION 6.5KW 12KW 16KW CODES Fan Blade(s) AX002 FAN 4kW AX003 FAN 6.5kW AND 9kW AX001 FAN 12kW AND 16kW Grills AX006 GRILL 4kW AX008 GRILL 6.5kW AND 9kW AX007 GRILL 12kW AND 16kW Panels...
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PRODUCT REF. DESCRIPTION 6.5KW 12KW 16KW CODES AX049 PARTITION BOARD ASSEMBLY 4kW AX050 PARTITION BOARD ASSEMBLY 6.5kW AND 9kW AX051 CONDENSER CONNECTING PLATE 4kW AX052 CONDENSER CONNECTING PLATE 6.5kW AND 9kW AX053 COVER OF ELECTRIC BOX 12kW AX054 ELECTRIC CONTROL BOX COMPONENTS 16kW AX055 COVER OF ELECTRIC BOX 16kW AX056...
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PRODUCT REF. DESCRIPTION 6.5KW 12KW 16KW CODES Inverter PCB boards AX094 POWER PCB ASS’Y 4kW AX097 POWER PCB ASS’Y 6.5kW AX095 POWER PCB ASS’Y 9kW AX096 POWER PCB ASS’Y 12kW AX118 POWER PCB ASS’Y 16kW AX120 POWER PCB ASS’Y 16kW Control PCB's AX121 MAIN PCB ASS’Y 4kW, 6.5kW AND 9kW...
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PRODUCT REF. DESCRIPTION 6.5KW 12KW 16KW CODES Drain Hose AX137 DRAIN HOSE 4kW, 6.5kW AND 9kW AX004 DRAIN HOSE 12kW AND 16kW Sensor clamp AX005 SENSOR CLAMP 12kW AND 16kW AX009 SENSOR CLAMP 4kW, 6.5kW AND 9kW Inline water heater AX147 Electrical heating AX138...
13 DECLARATION OF CONFORMITY GRANT ENGINEERING IRELAND ULC CRINKLE, BIRR, R42 D788, CO. Offaly, IRELAND Telephone: (057) 9120089 Fax: (057) 9121060 13.1 SAFETY DECLARATION OF CONFORMITY Email: info@grantengineering.ie Website: www.grantengineering.ie Declaration of Conformity This declaration of conformity is issued under the sole responsibility of the manufacturer/...
Product Fiche Concerning the COMMISSION DELEGATED REGULATIONS (EU)No 811/2013 of 18 February 2013 (EU)No 813/2013 of 2 August 2013 Supplier name or trademark Grant Engineering (Ireland) ULC Model identifier Aerona HPR290i40 Seasonal space heating energy efficiency class (average climate conditions...
Product Fiche Concerning the COMMISSION DELEGATED REGULATIONS (EU)No 811/2013 of 18 February 2013 (EU)No 813/2013 of 2 August 2013 Supplier name or trademark Grant Engineering (Ireland) ULC Model identifier Aerona HPR290i65 Seasonal space heating energy efficiency class (average climate conditions...
Product Fiche Concerning the COMMISSION DELEGATED REGULATIONS (EU)No 811/2013 of 18 February 2013 (EU)No 813/2013 of 2 August 2013 Supplier name or trademark Grant Engineering (Ireland) ULC Model identifier Aerona HPR290i90 Seasonal space heating energy efficiency class (average climate conditions...
Product Fiche Concerning the COMMISSION DELEGATED REGULATIONS (EU)No 811/2013 of 18 February 2013 (EU)No 813/2013 of 2 August 2013 Supplier name or trademark Grant Engineering (Ireland) ULC Model identifier Aerona HPR290i120 Seasonal space heating energy efficiency class (average climate conditions...
Product Fiche Concerning the COMMISSION DELEGATED REGULATIONS (EU)No 811/2013 of 18 February 2013 (EU)No 813/2013 of 2 August 2013 Supplier name or trademark Grant Engineering (Ireland) ULC Model identifier Aerona HPR290i160 Seasonal space heating energy efficiency class (average climate conditions...
15.2 REFRIGERANT (R290) The Grant Aerona R290 series units contain R290 hydrocarbon refrigerant gas with a 99.5% purity. The density of this gas is greater than that of air, so in the event of leakage it tends to disperse and stratify, accumulating in niches, depressions in the ground or underground regions.
The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is Grant air source heat pumps incorporate components at hand and shall be suitable for the recovery of flammable manufactured from a variety of different materials. However, most refrigerants.
You are now the proud owner of an Air Source Heat Pump from plumbing or heating system, e.g. contamination of parts due to Grant Engineering which has been designed to give years of system contamination, sludge, scale, debris or trapped air. See reliable, trouble free, operation.
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Company. IMPORTANT Grant Engineering strongly recommends that a Grant Mag-One Duo in-line magnetic filter/s (or equivalent⁵) is fitted in the heating system pipework. This should be installed and regularly serviced in accordance with the filter manufacturer’s instructions.
ABOUT YOUR HEAT PUMP For further information on the powering on the Smart Your Grant Aerona R290 air source heat pump is a highly efficient controller, refer to your supplied manual: and fully automatic unit that extracts heat energy from the outside •...
18.6 HEATING SYSTEM CONTROLS Your Grant Aerona R290 heat pump is controlled by the Grant 20,5°C Aerona Smart Controller and is designed to provide: 18.6.1 SPACE HEATING 39ºC The Grant Aerona Smart controller is designed to manage up to 3 space heating zones, where a user can specify set schedules for Day (occupied) or night (unoccupied) time periods.
18.8 FROST PROTECTION What is the error code shown? Your Grant Aerona R290 heat pump is fitted with automatic frost Refer to Section 11 of the Installation and Operating protection functions for various heat pump components that will If YES:...
CIRCULATION PUMP GPA25-9HW PWM PUMP A.1.1 PWM PUMP The pump is controlled by the Grant Aerona 290 via a PWM signal Table A-1: GPA25-9HW specifications that controls the speed by an ON/OFF and feedback to maintain the required flow for the circuit.
How to video guides playlist for the Grant Aerona Smart Controller. The playlist offers a number of helpful guides on how to set individual elements of the Grant Aerona Smart controller and is monitored and updated to ensure the best possible assistance is available.
SERVICE LOG Date Date Engineer Engineer Company name Company name Telephone number Telephone number Comments Comments Signature Signature Date Date Engineer Engineer Company name Company name Telephone number OFTEC Technician number Comments Comments Signature Signature Date Date Engineer Engineer Company name Company name Telephone number Telephone number...
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Date Date Engineer Engineer Company name Company name Telephone number Telephone number Comments Comments Signature Signature Date Date Engineer Engineer Company name Company name Telephone number Telephone number Comments Comments Signature Signature Date Date Engineer Engineer Company name Company name Telephone number Telephone number Comments...
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