Baxi Ambiflo 105 Installation, Service & Maintenance Instruction Download Page 1

Page: 1 / 52

Comp No 5132629 - Iss 2 - 7/09

Installation, Servicing & Maintenance Instructions

Summary of Contents for Ambiflo 105

Page 1: ...Comp No 5132629 Iss 2 7 09 Installation Servicing Maintenance Instructions ...

Page 2: ... and or assistance Do not handle or lift unless you feel physically able Wear appropriate Personal Protection Equipment e g protective gloves safety footwear etc Important These instructions do not replace the separate instructions for individual components and accessories which should be read in conjunction with these instructions Preparation Co ordinate movements know where and when you are both...

Page 3: ...ide to good practice Heat pumps BS EN 15450 2007 Heating systems in buildings Design of heat pump heating systems EC Regulation No 842 2006 on certain fluorinated greenhouse gases Supplementary guidance for stationary refrigeration air conditioning and heat pumps Baxi Heating UK Ltd 2009 All rights reserved No part of this publication may be reproduced or transmitted in any form or by any means or...

Page 4: ...roperties and will lead to serious damage to the compressor Refrigerant material can be hazardous Contact Baxi Technical Enquiries 0844 871 1568 for further information Maintenance Instructions 1 Never add oil to the appliance the compressor is filled with polyalcohol oil a special oil which cannot tolerate the presence of other oils 2 Instruments used for the following filling pressure measuremen...

Page 5: ...arefully consider the contents The regulations and guidance state that you are required to carry out a risk assessment for all work conducted at height and to put in place arrangements for Eliminating or minimising risks from work at height Safe systems of work for organising and performing work at height Safe systems for selecting suitable work equipment Safe systems for protecting people from th...

Page 6: ...Steps to Risk Assessment A Guide to Risk Assessment Requirements The five steps outlined in the HSE leaflet are Step 1 Look for the hazards This will mean looking at the site and identifying significant hazards For example avoid fragile surfaces and hazardous areas where the Heat Pump may be mounted Do not work on uneven ground and avoid obstructions where access to the Heat Pump may be required A...

Page 7: ... particular hazards for each new situation The issue of work equipment must be considered but at the preparation stage you should consider where scaffold or other access equipment might be positioned and look out for any obvious obstacles to this such as a conservatory or porch In addition to the risks associated with work at height you should also consider the risks associated with moving the air...

Page 8: ...ctions 3 In accordance with building regulations installation must by carried out by an installer who has successfully completed the Baxi Ambiflo training course 4 Baxi offer a set up and test service for this product This can be arranged by telephoning 0844 871 1568 to book the visit Further details regarding commissioning can be found in the Commissioning booklet General Information section We a...

Page 9: ...d or use of a magnetic cleaning device on all applications f If necessary provision of safe access by the homeowner or relevant organisation to any parts of the unit mounted above two metres in accordance with the latest HSE Working at Height regulations Page 4 ACCESSORIES Description Part No Electrical Heater 5kW Module 5131502 Flexible Hose Kit 1 5131507 Flexible Hose Kit 5131504 Current Limiter...

Page 10: ...ixer Module 5132426 2 Zone 2 Mixer Module 5132427 Remote Service Control WM 5131497 Room Sensor 5132429 Outdoor Sensor 5131498 Dirt Separator 5133750 Ambilfo 75 5131535 Ambilfo 90 5131536 Ambilfo 105 5131501 CONTENTS Section Legislation Health Safety Kit Contents Accessories Contents 1 0 Introduction 2 0 General Layout ...

Page 11: ...e of these operations must become familiar with these instructions and recommendations provided in the installation manual 2 The personnel responsible for receiving the unit must conduct a visual inspection in order to identify all damage to which the unit may have been subjected during transport 3 The unit must be installed commissioned maintained and repaired in accordance with the manufacturer ...

Page 12: ... require the use of a relay box Please refer to the Section 4 0 for further details 10 A buffer vessel may also be required Please refer to Section 3 7 for details 11 This unit is CE marked However a risk assessment MUST be carried out prior to installation regarding access to the unit Consideration should be given to safety moving parts electrical cable pipework etc and security vandalism theft w...

Page 13: ...lo 75 90 Part number 5134519 Guard Ambiflo 105 2 See Fig 16 for the orientation of the guard and please refer to the separate instructions for fixing details and clearances required Page 7 2 0 General Layout 2 1 Layout The Baxi Ambiflo air source heat pump unit includes an integral circulation pump 3 speed to optimise comfort and efficiency small expansion vessel pressure gauge and pressure relief...

Page 14: ...12 Heat pump return Inlet 13 Heat pump flow Outlet 14 Filling drainage of the water circuit 15 Air vent 16 Glands for mains cable inlet Fig 2 Page 8 ...

Page 15: ...pework used between the Ambiflo Heat Pump and the buffer is at least equal to or ideally larger than the internal bore of the pipework supplied This will allow reduced pump speeds and help to minimise system running costs IMPORTANT We do not recommend use of the Baxi Ambiflo with existing conventional radiators unless it can be demonstrated that the heat output from these radiators at the lower av...

Page 16: ...ier for details ii Please refer to the manifold manufacturer instructions regarding return water temperatures and use parameter 30 to carry out any necessary adjustments iii Please refer to the manifold manufacturer instructions regarding flow rate of the underfloor system Use the hydraulic pump curve to give the correct value Fig 3 Page 10 3 3 Residential System Ambiflo Heat pump Heater module Va...

Page 17: ... to the manifold manufacturer s instructions regarding return water temperatures and use parameter 30 to carry out any necessary adjustments iii Please refer to the manifold manufacturer s instructions regarding flow rate of the underfloor system Use the hydraulic pump curve to give the correct value Fig 4 Page 11 3 4 Residential System Ambiflo Heat pump Heater module 2 Zones floor ...

Page 18: ...manifold manufacturer s instructions regarding return water temperatures and use parameter 30 to carry out any necessary adjustments iii Please refer to the manifold manufacturer s instructions regarding flow rate of the underfloor system Use the hydraulic pump curve to give the correct value Fig 5 Page 12 3 5 Residential System Ambiflo Heat pump Heater module 1 Zone floor 1 Zone Radiator ...

Page 19: ...o the manifold manufacturer s instructions regarding return water temperatures and use parameter 30 to carry out any necessary adjustments iii Please refer to the manifold manufacturer s instructions regarding flow rate of the underfloor system Use the hydraulic pump curve to give the correct value Fig 6 Page 13 3 6 Residential System Ambiflo Heat pump Heater module 1 Zone Radiators ...

Page 20: ...Fig 7 Page 14 3 7 Buffer Vessel Comparison of 9kW system heat loss against time for various total volumes ...

Page 21: ...tion for all installations This is available either as part of a full system or as an accessory Fig 9 Model s Description Baxi Code No Baxi Ambiflo 75 System kit buffer pack 5131495 Baxi Ambiflo 90 System kit buffer pack 5131533 Baxi Ambiflo 105 System kit buffer pack 5131534 Baxi Ambiflo 75 90 105 Buffer 100 litres 5131537 Baxi Ambiflo 75 90 105 Buffer 35 litres 5131503 Fig 9 5 The average UK air...

Page 22: ...e heat pump to frost up severely To overcome this problem the best solution is to fit a thermal buffer between the heat pump and the heating system so that the heat pump is raising the temperature within the buffer and not directly within the floor In addition the heating systems should be split into a number of zones to allow for variations in heat load and to improve start up at the commissionin...

Page 23: ... refer to these for details of the unit and its siting requirements as this can be fitted either to the rear of the Baxi Ambiflo Heat Pump unit or sited remotely Kits are available to hydraulically and electrically connect the 5kW Electrical Heater to the Ambiflo Heat Pump unit Please refer to the accessory list on page 5 for kit details and Fig 1 for details of the kits available for each Ambiflo...

Page 24: ...ith relay 1 This system is where other set back controllers for time temperature or system controls are used This system can indirectly control other system pumps Important Alternative controls must feature a reduced or set back room temperature setting ...

Page 25: ...ded cable with twisted pairs shielding grounded on the 5kW electrical heater side only min 0 5mm 2 CSA Equivalent to AWG 20 230V Insulation Rated Cable 2 When extended wire lengths are required between the 5kW Heater and the Heat Pump Unit Baxi recommends the use of colour coded wiring to reduce the risk of wrongly made connections 4 4 Main Incoming Fuse 1 This appliance is designed to be fitted t...

Page 26: ...g 66 of total current demand see note 2 Cooking appliances 10 amps 30 of full load of cooking appliance if in excess of 10 amp add an additional 5 amp if socket and outlet incorporated in control unit 3 Water heaters instantaneous type 100 of the largest load appliance and 100 of 2nd then 25 of full load of any remaining appliances 4 Water heater thermostatically controlled Immersion heater No div...

Page 27: ...l mounted using the brackets specified in the accessories section on page 5 It is recommended that the unit is installed less than 2 metres from the ground because of service and repair requirements Suitable fixings should be considered relative to the wall structure and weight of the unit Ensure that the anti vibration pads are fitted when wall mounting this unit 2 In all cases where the 5kW heat...

Page 28: ...lic filter with shut off valves positioned behind the unit provide 0 30m Installation of a heater unit behind the unit provide 0 25m Fig 16 NOTE It is not possible to install the electrical heater to the rear of this unit when wall mounting 3 Select the location for the unit on the basis of the following criteria ...

Page 29: ...dequate ventilation around the unit to avoid the airflow being restricted Consider the potential for problems caused by corrosive atmospheres other extractor fans nearby and any area where strong winds may impair the performance of the unit k Noise levels should also be considered when siting the unit Your Local Authority may enforce a maximum permissible noise level measured at neighbouring prope...

Page 30: ...the drain has a suitable fall to prevent standing water being left in the base tray Keep the discharge drain as short as possible Where longer pipe runs are used Baxi recommends increasing the diameter of the pipe to reduce the risk of blockage or freezing Any exposed pipe work must be protected against freezing with weatherproof insulation The base of the Ambiflo Heat Pump has two drainage holes ...

Page 31: ...Ambiflo kit to the corresponding connection to prevent the transmission of vibration noise to the system pipework NOTE When installing the in line strainer it is important that the drain point is installed facing downwards for cleaning access 3 Install all the components and accessories as required as shown on the relevant hydraulic system diagram 4 The supplied fibre washers MUST be used to conne...

Page 32: ...mend that all the system pipework is flushed at the isolation valves prior to connecting the Baxi Ambiflo flexible lines to prevent blockage of the Heat Exchanger and In line Strainer 8 The anti vibration pads and in liner strainer are supplied inside the heat pump front panel Please ensure these parts are removed prior to commencing this installation See Fig 18 for access to the kit Fig 18 5 5 In...

Page 33: ...y to check compliance with the requirements of part 4 BS 7671 and the limitations are achieved 2 The electrical connection conduits must be fixed and supported in accordance with local regulations 3 Use the cable clamps at the rear of the unit and route the wires under the electric panel at the level of the terminal strips Use the cable support supplied for incoming cable below power connection po...

Page 34: ...rting current A 40 33 34 Protection rating A 16 16 32 32 Via Breaker class C C C B Fig 19 NOTE The unit is designed to be connected to a power supply having a TT neutral regime neutral to ground or T N S regime Power Supply Cable 3 The compressor start up current for the Baxi Ambiflo Heat Pump is between 33A and 40A This is a transitory current that falls to between 12A and 16A in normal running m...

Page 35: ...ethod Please refer to Fig 19 above for details of fuse ratings and class of breaker required Fig 20 Installation with Current Limiter Option Fig 21 5 After the electrical wiring is complete check the earth impedance for compliance with the wiring regulations ...

Page 36: ... the product warranty After filling the unit and pressurising it check that the system pressure is maintained and no air locks or leaks are apparent NOTE The guarantee is subject to the unit being installled and commissioned in accordance with the manufacturer s instructions Page 21 6 0 Technical Data 6 1 Ambiflo 75 90 105 HEATING Heating Capacity Gross 75 model kW 7 25 90 model kW 9 24 105 model ...

Page 37: ...6 105 model 2 90 3 10 Flow Return 30 35 C 70 model 3 33 3 53 90 model 3 4 3 53 105 model 3 66 3 89 Power Consumption Max 75 model kW 3 27 90 model kW 4 00 105 model kW 4 70 Current Consumption Max 75 model A 14 60 90 model A 18 20 105 model A 21 30 Nominal Water Flow ...

Page 38: ...10 4 m 3 s 4 40 105 model 10 4 m 3 s 5 20 Available Pressure 75 model kPa 58 00 90 model kPa 47 00 105 model kPa 66 00 NOMINAL OPERATING CONDITIONS Heating Outside air temperature dry 7 C Outside air temperature humid 6 C Water outlet temperature 45 C Outercase Dimensions 75 90 model Height 735mm ...

Page 39: ...0mm Weights 75 90 model Installation Lift Weight 98kg Packaged Carton 110kg 105 model Installation Lift Weight 128kg Packaged Carton 141kg Please refer to page 2 for advice on lifting these units Expansion Tank Fitted Charge pressure 1 5 bar Capacity 2 litres Safety Valve ...

Page 40: ...5 bar Recommended mains Incoming Fuse Rating 100 Amps Mains Power Supply Power supply 230V 1 50Hz Equipment Protection Index IP 24 Hermetic Compressor with thermal protection Scroll Sound insulation cover Power Supply 230V 1 50Hz Start up current 75 90 105 A 40 33 34 ...

Page 41: ...05 dB A 65 65 67 Sound pressure level dB A 37 37 39 Direct Drive Propeller Fan Motor with thermal protection horizontal blowing 75 90 105 1 1 2 Total Air Flow m 3 h 2 800 2 800 5 000 m 3 s 0 833 0 833 1 667 Power Input kW 0 140 0 140 0 280 Current A 0 7 0 7 1 4 ...

Page 42: ...0 rpm Water Exchanger Plate type stainless steel water treatment section Expansion System Expansion Vessel Water Capacity 75 90 105 litres 0 84 0 84 1 05 R410A Refrigerant Total Charge 75 90 105 kg 2 05 2 1 3 5 Circulating Pump Current 75 90 105 A 0 8 0 8 1 Power Input ...

Page 43: ... Hydraulic System Male Connection 75 90 105 Inlet 3 4 3 4 1 Outlet 3 4 3 4 1 Water Capacity 75 90 105 litres 2 6 2 6 2 8 Water flow rate detection pressure differential cut out Water filter supplied uninstalled Page 22 Baxi Ambiflo 75 90 Fig 22 ...

Page 44: ... 70 90 If the water volume of the system is below the minimum a buffer tank must be installed Part No 5131503 35 litres Part No 5131537 100 litres If the water volume of the system is above 90 litres an additional expansion vessel is required See Fig 24 Expansion Vessel Sizing Chart mono valent system for 50 c return ...

Page 45: ...s of fluid within the complete system Larger systems will require an additional expansion vessel Failure to ensure the minimum size of expansion vessel can result in premature failure of the expansion vessel and associated system components Page 23 6 2 Pressure Curves for Refrigerants The graphs below show the maximum achievable flow temperatures relative to the incoming air temperature ...

Page 46: ...Fig 25 Page 24 ...

Page 47: ...r information Maintenance Instructions 1 Never add oil to the appliance the compressor is filled with polyalcohol oil a special oil which cannot tolerate the presence of other oils 2 Instruments used for the following filling pressure measurements emptying under vacuum recovering the fluid Must be compatible with and only used for the R410A fluid NOTE the pressure taps of the refrigerating circuit...

Page 48: ...that the high and low pressure controllers are properly connected on the refrigerating circuit and that they disengage the electrical circuit if triggered remove dust from the electrical equipment cabinet check that the electrical connections are secure check the earth connection via an electrical test meter check the hydraulic circuit clean the filter water quality etc ensure no ingress of water ...

Page 49: ...ressures involved may lead to serious burns Please allow sufficient time for these to cool down 7 2 Maintenance 1 All equipment must be properly maintained in order to provide optimum performance over time Poor maintenance can result in the cancellation of the product guarantee Depending on the product maintenance operations consist in the cleaning of filters air water internal and external exchan...

Page 50: ...and Maintenance 1 All maintenance and servicing operations on the refrigerating circuit must be conducted in accordance with standard trade practices and safety rules recovery of the refrigerant inert shielded nitrogen brazing etc All brazing operations must be conducted by qualified welders 2 For equipment loaded with R410A refer to the specific instructions at the beginning of the this section 3...

Page 51: ...ed out these modifications a Parts replacement with anything other than genuine Baxi spares b Modifications of any sort to the refrigerating circuit c Replacement of refrigerant by a fluid other than that indicated in the instructions d Use of the unit outside the application limits defined in the documentation 9 The technical information relative to the safety requirements of the various applicab...

Page 52: ...Page 28 ...

Search results

Summary of Contents for Ambiflo 105

Reviews:

Related manuals for Ambiflo 105

Brands by name

Popular brands

Baxi Ambiflo 105, Installation, Service & Maintenance Instruction

Search results

Summary of Contents for Ambiflo 105

Reviews:

Related manuals for Ambiflo 105

Brands by name

Popular brands