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Air Source
Heat Pump
Installation and Maintenance Manual
Outdoor units
PUHZ-W50VHA2 5kW Mono
PUHZ-85VAA 8.5kW Mono
PUHZ-W112VAA 11.2kW Mono
PUHZ-HW140VHA2 14kW Mono
Pre-plumbed Cylinders
EHPT15-17-21-25-30X-UKHCW
150,170,210,250 and 300 Litres
Installation Manual.indd 1
Packaged / Combi
EHPT20X-MHCW (200 Litres only)
27/10/2019 15:13:51
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Table of Contents
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Summary of Contents for Mitsubishi Electric PUHZ-W50VHA2 5kW Mono
- Page 1 Air Source Heat Pump Installation and Maintenance Manual Outdoor units Packaged / Combi PUHZ-W50VHA2 5kW Mono EHPT20X-MHCW (200 Litres only) PUHZ-85VAA 8.5kW Mono PUHZ-W112VAA 11.2kW Mono PUHZ-HW140VHA2 14kW Mono Pre-plumbed Cylinders EHPT15-17-21-25-30X-UKHCW 150,170,210,250 and 300 Litres Installation Manual.indd 1 27/10/2019 15:13:51...
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Page 2: Table Of Contents
Contents Freedom Heat Pumps 3 Year Guarantee Registration Handover of the System Maintenance Installing the Outdoor Unit Installing the Pre-plumbed Mono Cylinder Schematic of the Pre-plumbed Cylinder Wiring the Pre-plumbed unit Setting Up the Pre-plumbed unit Installing the Packaged Combi indoor unit Heating and Hot Water Systems Packaged Combi Setting Up the Combi Unit Installing a Standalone System... -
Page 3: Freedom Heat Pumps
Freedom Heat Pumps Who are Freedom Heat Pumps? Freedom Heat Pumps is a wholesale distribution company for the Samsung EHS, Hitachi Yutaki and Mitsubishi Ecodan heat pumps, along with underfloor heating systems. We offer technical support, training, design and consultancy services and operate the samsungehs.co.uk freedomhp.co.uk web sites and freedom heat pumps and Samsung EHS... -
Page 4: Year Guarantee Registration
3 Year Guarantee Registration Leave these pages with the Homeowner Mitsubishi Guarantee Registration 3 – Years All Ecodan heat pumps can now be registered for a 3-year parts guarantee covering ONLY the Mitsubishi components, (not radiators, cylinders, UFH, valves, pumps etc.) It is the role of the installer to offer a warranty to the end user covering the heating system including the heat pump. -
Page 5: Handover Of The System
Handover of the System Leave these pages with the Homeowner Thank You Thank you for buying a Mitsubishi heat pump system, your heat pump heats the house and hot water cylinder much like a normal fossil fuel boiler, however there are a couple of differences which you should take notice of. - Page 6 Handover of the System Leave these pages with the Homeowner Running your machine efficiently It is very expensive to heat the house up from cold, with a heat pump the best advice is to maintain the house at as close to constant temperature as possible all the time. Please DON’T set the room temperature too low when you leave the house, ideally drop it 2 degrees below your normal set temperature when you go out or it will take a long time and a lot of money to recover.
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Page 7: Maintenance
Maintenance Maintenance of Ecodan Systems The Ecodan heat pump should be maintained at least once a year to comply with warranty and RHI. You must log your maintenance here for the 3-year guarantee Stop the unit, shut the 2 red isolating valves, remove the lid of the TF1 you need the TF1 spanner for this. Clean the magnet and the filter. -
Page 8: Installing The Outdoor Unit
Installing the Outdoor Unit Installing the Outdoor Unit (boiler) Position the outdoor unit so that the air flows into an open area, where there are no plants and animals Install the outdoor unit on a flat, stable surface, the unit needs to 600 or more 300 or more be securely mounted at least 100mm off the ground on rubber feet. -
Page 9: Installing The Pre-Plumbed Mono Cylinder
Installing the Pre-plumbed Mono Cylinder Installing the pre-plumbed mono cylinder When you order the pre-plumbed cylinder, it comes with an FTC, the tank sensor, flow and return sensors and controller all installed for you. Install the pre-plumb indoors, it’s not waterproof. It needs to be sited within 15m of the outdoor unit. Standing Heat Loss Nominal Weight of full... -
Page 10: Schematic Of The Pre-Plumbed Cylinder
Schematic of the Pre-plumbed Cylinder www.freedomhp.co.uk Installation Manual.indd 10 27/10/2019 15:13:59... -
Page 11: Wiring The Pre-Plumbed Unit
Wiring the Pre-plumbed unit 02380 274 833 | sales@freedomhp.co.uk Installation Manual.indd 11 27/10/2019 15:14:03... -
Page 12: Setting Up The Pre-Plumbed Unit
Setting Up the Pre-plumbed unit Flushing and Filling When installing any Heat pump, we insist on a thorough system flush prior to connection in line with the Building Regulations for England and Wales, Part L, 2006. Using the power flusher fill the system with water and 25% Propylene Glycol, there is no pressure sensor in the unit so we can operate from 0 -3 bar maximum. -
Page 13: Installing The Packaged Combi Indoor Unit
Installing the Packaged Combi indoor unit Installing the Packaged Combi indoor unit (FTC and cylinder unit – EHST20*- MHCW) Front The box contains, hot water cylinder 200l, 3 port valve, filter ball, flow meter, flow switch, expansion vessel, an 8m pump, cylinder sensor, FTC5 and the remote controller. -
Page 14: Heating And Hot Water Systems Packaged Combi
Heating and Hot Water Systems Packaged Combi www.freedomhp.co.uk Installation Manual.indd 14 27/10/2019 15:14:10... -
Page 15: Setting Up The Combi Unit
Setting Up the Combi Unit Flushing and Filling When installing any Heat pump, we insist on a thorough system flush prior to connection in line with the Building Regulations for England and Wales, Part L, 2006. Using the power flusher fill the system with water and 25% Propylene Glycol, there is no pressure sensor in the unit so we can operate from 0 -3 bar maximum. -
Page 16: Installing A Standalone System
Installing a Standalone System Standalone units Standalone units are not pre-plumbed, you pipe and wire the whole system yourself. When you order the standalone unit, it comes with outdoor unit, flexi hoses, a TFi1 filter and FTC control box, remote controller and the tank sensor, flow and return sensors. -
Page 17: Heating And Hot Water Systems Standalone
Heating and Hot Water Systems Standalone 02380 274 833 | sales@freedomhp.co.uk Installation Manual.indd 17 27/10/2019 15:14:16... -
Page 18: Wiring The Standalone System
Wiring the Standalone System www.freedomhp.co.uk Installation Manual.indd 18 27/10/2019 15:14:20... -
Page 19: Setting Up The Standalone System
Setting Up the Standalone System Flushing and Filling When installing any Heat pump, we insist on a thorough system flush prior to connection in line with the Building Regulations for England and Wales, Part L, 2006. Using the power flusher fill the system with water and 25% Propylene Glycol, there is no pressure sensor in the unit so we can operate from 0 -3 bar maximum. -
Page 20: Powering Up ( All Systems )
Powering Up ( All Systems ) If the outdoor unit is off the remote controller will not power up If the outdoor unit is off the remote controller will not power up. Makes sure all your room thermostats are off and all underfloor run signals are off. Apply power to outdoor unit first. Now power the indoor unit, you should see a display on the indoor and outdoor PCB. - Page 21 Powering Up ( All Systems ) To adjust weather comp Press return arrow to go back to the main screen From the main screen press and hold it down for 5 seconds. Note how the arrows go from white arrows in black boxes to black arrows in white boxes.
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Page 22: Advanced Settings
Advanced Settings Setting up the unit using an SD card You can copy the settings from the unit to an SD card or from and SD card into the unit. If you have an SD card set up: Power off the unit Put the SD card in the slot on the Indoor PCB. -
Page 23: What The Unit Comes With And What You Will Need
What the unit comes with and what you will need Below is a list of the components you will need to buy for each of the systems Flexible hoses We recommend flexi hoses are used on Monobloc systems, they are not required on the split systems. - Page 24 What the unit comes with and what you will need Water Filter Mitsubishi like a TF1 filter with their units, one comes with the unit, its installed already in the pre-plumb and combi units. Glycol / anti-freeze In Monobloc heat pumps the water goes outside the building. The unit can protect itself from freezing up, but if the power goes off there is a risk that the unit will freeze causing damage.
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Page 25: Wiring And Power Supply Information
Wiring and Power Supply Information The Immersion heater will have its own power supply, running through a normally open contact, the coil of the relay will be connected into the control box terminals OU9 TBO.4 4 Live and 3 Neutral; the control box controls the operation of the immersion heater. - Page 26 www.freedomhp.co.uk Installation Manual.indd 26 27/10/2019 15:14:33...
- Page 27 02380 274 833 | sales@freedomhp.co.uk Installation Manual.indd 27 27/10/2019 15:14:33...
- Page 28 Copyright ©2019 Freedom Heat Pumps Ltd. All rights reserved. Mitsubishi and Mitsubishi Electric are trademarks of Mitsubishi Electric Europe B.V.. Specifications and designs are subject to change without notice. Non-metric weights and measurements are approximate. All data were deemed correct at time of creation.