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Table of Contents
Troubleshooting
Summary of Contents for AEC 5
- Page 1 AEC Air Source Heat Pump Installation Manual...
- Page 2 AEC9e - BSI KM 620657/03 AEC 9 - BSI KM 620657/02 AEC 5 - BSI KM 620657/01 The information in this manual is provided to assist with the selection of equipment and installation of the heat pump. The responsibility for final selection and specification of the equipment must remain that of the Designers or Consultants concerned with design and installation.
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Page 3: Table Of Contents
Flow meter fitting instructions System Specification AEC 5 Specification AEC 9 Specification AEC 9e Specification Internal Wiring Schematic – AEC 5 & AEC 9 Internal Wiring Schematic – AEC 9e Internal Refrigeration Schematic Pipe work Schematic Single Zone Pipe work Schematic Two Zone... -
Page 4: Introduction & General Information
4. The reversing valve sends the hot gas into the heat exchanger. The heat from the hot gas is transferred to the water. 5. Once the refrigerant has given up its heat it condenses back to a liquid. The liquid returns to the expansion device and the cycle is repeated. -
Page 5: The Aec Heat Pump
Introduction and General Information The AEC Heat Pump This manual covers the three models of air source heat pump available. The standard version is available in 5kW or 9 kW output and can be used where space is at a premium, or when fitted to existing heating and hot water system. -
Page 6: System Design
The heat pump should be kept upright at all times, as oil from the compressor could flow into the refrigeration circuit and cause damage to the unit. Care must be taken when installing the AEC heat pump to ensure that the unit operates effectively. The following variables need to be taken into consideration when positioning the unit: •... - Page 7 System Design Positioning the Heat Pump • When installing the unit in a location where it is exposed to strong wind, do not face the air outlet of the unit directly into the prevailing winds. Strong wind entering the air outlet may impede the normal airflow and it may affect performance •...
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Page 8: Preparation
The AEC heat pump delivers lower temperature water than a conventional boiler, therefore the heat emitters need to have a larger surface area or be fitted with an integral fan. (For a heat emitter sizing guide visit the MCS website). -
Page 9: Flow Meter Fitting Instructions
It should be fitted to the main water circuit as shown in the diagram below. To ensure correct operation a straight section of pipe should be fitted before and after the flow meter. Inlet – 10 x Pipe diameter Outlet = 5 x Pipe diameter... - Page 10 System Design Ensure the ‘o’ rings are fitted as shown below. Ensure that a 1” female to 28mm compression fitting is used for connecting the flow meter to the pipework Flow Meter Wiring The brown wire from the flow meter should be fitted in the left hand communication terminal. The White and blue wires should be fitted to input 6 of the auxiliary PCB as shown below.
- Page 11 AEC 5 Technical Specification Dimensions (mm) Height 706mm Depth 395mm Width 980mm Weight (kg) 65kg Electrical Supply 220-240v, 50Hz Phase Single Running Current (A) [MAX] Fuse Rating (A) Refrigerant Type R410A Quantity 1.7kg Control Emerson EXM-BOE Compressor Type Hermetic twin rotary...
- Page 12 AEC 5 Unit Dimensions...
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Page 13: Aec 9 Specification
AEC 9 Technical Specification Dimensions (mm) Height 1012mm Depth 395mm Width 1032mm Weight (kg) 85kg Electrical Supply 220-240v, 50Hz Phase Single Running Current (A) [MAX] Fuse Rating (A) 25 (Recommended 32 A) Refrigerant Type R410A Quantity 2.4kg Control Emerson EXM-BOE... - Page 14 AEC 9 Unit Dimensions...
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Page 15: Aec 9E Specification
AEC 9e Technical Specification Dimensions (mm) Height 1012mm Depth 395mm Width 1300mm Weight (kg) 100kg Electrical Supply 220-240v, 50Hz Phase Single Running Current (A) [MAX] Fuse Rating (A) 25 (Recommended 32A) Refrigerant Type R410A Quantity 2.4kg Control Emerson EXM-BOE Compressor... - Page 16 AEC 9e Unit Dimensions...
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Page 17: System Specification
System Specification Internal Wiring Schematic AEC 5 & AEC 9 Standard... -
Page 18: Internal Wiring Schematic - Aec 9E
System Specification Internal Wiring Schematic AEC 9e Enhanced... -
Page 19: Internal Refrigeration Schematic
System Specification Refrigeration Schematic... -
Page 20: Pipe Work Schematic Single Zone
A buffer tank may be fitted to the system to cover any shortfall in the heating during the heat pump defrost cycle during extreme weather conditions. If a standard AEC is used then an expansion vessel would need to be fitted in the system (the enhanced unit has an expansion vessel and circulation pump fitted). -
Page 21: Pipe Work Schematic Two Zone
IMPORTANT: The above system is a concept drawing and not a detailed engineering drawing. It is not intended to describe a particular system Multiple heating zones can be connected to the AEC unit in the same way as a conventional system. The control equipment will automatically switch between hot water and heating zones as required. Ensure the Domestic hot water zone valve is connected to the correct port on the Auxiliary board. -
Page 22: Additional Pipework Schematics
Additional Pipework Schematics for Buffer Tanks / Low Loss Headers... -
Page 23: System Installation
The appliance requires a suitable mains supply rated for the units capacity, an isolator should be placed in close proximity (1.5 m) of the unit and easily accessible. The electrical circuit should be protected by a dedicated 32A, 30mA RCD. -
Page 24: Wiring Schematics For Multiple Zone System
System Installation Electrical Schematic – Two Zone & Hot Water... -
Page 25: Immersion Heater
System Installation Immersion heater The AEC air source heat pump will produce domestic hot water at 48°C but the temperature should be raised periodically to 65°C for pasteurisation purposes. The immersion heater will raise the water to 65°C once the heat pump has finished its first hot water cycle and will repeat the process every 7 days after that. -
Page 26: Dashboard Initial Set Up
System Installation The AEC Dashboard Configuration - Initial Setup The first time that the heat pump controller is powered on, the dashboard will be visible as a WPA/WPA2 encrypted wireless network. This means that you will be able to connect to it with any wireless enabled device (your PC, laptop, tablet, Smart phone etc). -
Page 27: Dashboard Password Change
System Installation Password Change Before continuing, we recommend that you change the default password by clicking on the small profile icon (top right of the dashboard) and entering a new password in to the form provided. -
Page 28: Dashboard Configuring To Home Network
System Installation Configuring the Dashboard to your Wireless Network If you wish, the dashboard can be configured to connect to your home wireless network.This is easily enabled from the 'Network Settings' page on the dashboard. You will need to know the following information: •... - Page 29 System Installation Accessing your Dashboard from the Internet If you wish to access the dashboard from the internet (outside your home network), there are a few steps that may need to be taken. • Assign a static IP address to the dashboard •...
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Page 30: Additional Resources
System Installation Additional Resources The following is a list of useful resources for setting up your local network. • PortForward.com (A web site dedicated to the subject of port forwarding. It has detailed instructions covering a huge range of router manufacturers and models) http://portforward.com/english/routers/port_forwarding/ Troubleshooting If you have connected the dashboard to your wireless network and the dashboard loses internet connectivity... -
Page 31: Setup & Monitoring
System Installation Setup & Monitoring Once connected to the Dashboard it is possible to set up and make adjustments to the AEC air source heat pump. Flow Curve The flow curve can be adjusted via this screen on the dashboard. The desired water temperature can be set depending on the outside temperature, with a lower temperature required during warmer periods. - Page 32 System Installation The performance of the heat pump can be monitored, and adjustments can be made to optimise performance. A record of any faults can be accessed to simplify diagnosis and repair, notifications can be sent via email. Any Firmware updates can be carried out, even with no access to the site.
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Page 33: Service, Troubleshooting And Maintenance
Service, Maintenance & Troubleshooting Service and maintenance The AEC Air Source heat pump must be maintained on an annual basis. The basic requirements are: • Remove obstruction from evaporator coil/fan • Visual inspection for leaks • Check integrity of pipe work insulation •... -
Page 34: Faults & Solutions
3. Check fan blade 3. Fan blade obstructed 4. Check fan is functional 4. Fan not operating 5. Test PCB connection 5. PCB fail Water Flow 1. Flow rate has dropped below the 1. On installation, have flow and... - Page 35 Service, Maintenance & Troubleshooting Faults and Solutions Cont... Fault Description Possible cause Solution Can Bus Error 1. Connection lost between heat pump 1. Check 4 core cable for damage and auxiliary 2. Check connections on both heat pump and temperature controller Pressure Difference 1.
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Page 36: Spare Parts
Spare Parts... - Page 37 Spare Parts Electrical Box (Indoor unit)
- Page 38 Spare Parts 5Kw and 9Kw Compact/Standard DESCRIPTION PART NO. 5 Kw COMPRESSOR SNB130FGBMT ASSEMBLY H1AA006 9 Kw COMPRESSOR TNB220FLHMT ASSEMBLY H1DA006 5 Kw INVERTER CIMR-VCBA0010BAA H1AC036 9 Kw INVERTER CIMR-VCBA0012BAA H1DC036 FAN MOTOR ASSEMBLY - 5kW H1AA016 FAN MOTOR ASSEMBLY - 9kW...
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Page 39: Installation Parts
Installation Parts Installation Parts List – S Plan ASHP System Items supplied by Solfex (prices available on request) • AEC air source heat pump • Flexible hoses** • Anti vibration mounts** • Magnetic filter** • Anti-freeze inhibitor fluid** • Flow setter valve •... -
Page 41: Commissioning Check Sheet
BEFORE RUNNING THE HEAT PUMP CHECK THE FOLLOWING POINTS Ensure antifreeze is added in accordance with manufacturer's instruction. Check air charge is in expansion vessel. Pressurise primary circuit to 1.5 bar. Open all isolating valves. Bleed ALL air from the system. - Page 42 Standard of Pipework Standard of Insulation Standard of Electrical Installation (Auxiliary PCB and Outdoor unit Flow meter fitted on main circuit Electrical Isolation 1.5 m from Heat Pump Type Connection to mains power source Size Connection of Control wiring (Outdoor unit)
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Page 43: Maintenance Check Sheet
AEC Heat Pump Maintenance Check Sheet ntenance should be carried out annually. Failure to maintain the system may result in the warranty becoming null and void. Customer Name Site Address Installation Contractor Heat pump ID Serial Number of Unit Model Number of Unit... - Page 44 SOLFEX LTD Units 3 – 5 Chamleyfold Industrial Estate Bamber Bridge Preston Lancashire PR5 6PS...
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