2014 Installation Manual 4 Aug 14
Contents
1. 20 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Setting the Hot Water Temperature To set the hot water temperature touch the setting temperature as indicated DI Heating Defrost The controller will bleep and the screen will change to the following Enter the desired temperature and press enter The display will revert to the home screen and the set temperature will be displayed Installation Manual 2013 Riv2 21 LAILEY amp COATES Heat Pumps Engineered for British Homes Setting the Heating Water Temperature To set the heating water temperature touch the setting temperature as indicated amp a o Defrost Anti Freeze The controller will bleep and the screen will change to the following enter the default access code 112233 then press enter 112233 The display will revert to the home screen Touch the setting temperature again the display will change again this time enter the temperature and press enter Once again the display will revert to the home screen and the set temperature will be displayed 22 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Setting the Heat Pump Timer From the main display home screen touch the timer icon 9 The controller will beep and the screen will change as follows Heating Hot Water Timer Set Indicator Holi2. Maximum allowable piping length between Maximum allowable height difference between Additional refrigerant required for refrigerant pipe exceeding 5 m in length 35 g m 65 g m 65 g m 65 g m Suction Pipe Size 12 7mm 1 2 15 88mm 5 8 19 05mm 3 4 19 05mm 3 4 Liquid Pipe Size 6 35mm 1 4 9 52mm 3 8 9 52mm 3 8 9 52mm 3 8 14 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Refrigeration Installation Continued Please note e Refrigerant pipes can be connected to either the top or bottom of the unit If using top connections ensure bottom connections are tight and vice versa e Pre Pressure Testing and Commissioning ensure Service valves are open and Schrader valves are fully closed Precautions when adding R410A Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe As R 410A is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation Before charging check whether the refrigerant cylinder is equipped with a siphon tube or not the cylinder should be marked with liquid filling siphon attached or something similar Charge the liquid _ Charge the liquid refrigerant with the refrigerant with the cylinder in an upright Lis J cylinder in up side down position LA position Be sure to use tools exclusively for R410A to ensu
3. Compressor continually stop start Poor water flow through the indoor coil Low wet bulb conditions due to high sensible heat loads Low evaporation temperatures SNE EN 28 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Simple Trouble Shooting Guide Continued Compressor fail to start Each heat pump system will have a time delay on the compressor start operation if the compressor fails to start in a set number of times in 1 hour then a fault code will appear Causes Low oil pressure Crank case heater fault Power failure or a communication error to the compressor High discharge temperature protection High pressure fault Low pressure fault Compressor down to earth Compressor run or start current to high Compressor incorrectly wired phase protection or phase rotation 2 DI A O Never try to force a compressor to run as this may cause further faults to occur on the system Power Failure A power failure may be external to the heat pump system and may just be an error by the end user or other contractors don t assume the power has failed due to to the product that you have been sent to look at Causes 1 Faulty isolator or switch 2 external fuse or M C B tripped or blown this may be caused via a component on the system being down to earth or exceeded the start or run current ie compressor or fan motor Internal fuse M C B tripped or blown Fault with the
4. electrical connection or cable Fault with a P CB or contactor relay Fault with a control panel or time clock Fire alarm interface BMS a Se eS E Installation Manual 2013 Riv2 29 LAILEY amp COATES Heat Pumps Engineered for British Homes Fault Error Codes E01 Communication failure 1 Check correct specified cable has be installed between indoor and 2 Check connections between indoor and outdoor units see outdoor units page 8 3 Check the incoming power cable 4 Check indoor and outdoor PCBs 5 Check the output voltage is between 1 465 and 3 22 V dc EO2 LCD Controller 1 Check LCD Connections communication failure 2 Check indoor unit PCB EO3 Outdoor unit inverter module 1 Check Wire connection communication failure 2 Check outdoor PCB and the module E04 LCD controller failure 2 0 controller LCD controller failure 1 1 Check LCD Controller 1 Check LCD Controller Controller EO5 Main power phase 1 Check power supply connections protection When checking the power supply always check Live to earth 220 V ac Neutral to Earth O V ac Neutral to Live 220 V ac EO6 TP1 Exhaust temperature sensor failure 1 Check TP1 Exhaust temperature sensor 2 Check outdoor PCB EO7 TP2 Exhaust temperature sensor failure 1 Check TP2 Exhaust temperature sensor 2 Check outdoor PCB EO8 T3 Coil temperature sensor failure 1 Check T3 temperature sensor 2 Check outdoor PCB EO9 T4 Am
5. 18 Installation Manual 2014 Riv 2 LCD controller LAILEY amp COATES Heat Pumps Engineered for British Homes Main Display Home Screen MN Date Time and Day indicator 2 eye System Error Code Y Legionella Cycle Active wa Volt Free Indicator ii Screen On Off EY Actual temperatures of heating and vii Status hot water a Parameters lig Required temperature settings for heating Timers See Page 9 ge 1 Lock Heating Indicator YM Hot Water Boost and hot water 17 Y Defrost Indicator EY Fault Indicator ES Anti Freeze Icon Not required on a split system unless the indoor unit is installed in an un insulated outhouse again this will flash if anti freeze is required PY Hot Water LAILEY amp COATES Heat Pumps Engineered for British Homes How to set up LCD controller Setting the date time and day To access the time settings screen touch the date time and day indicator 1 on the controller home screen MN Date Time and Day indicator The controller will bleep and the screen will change to the following Touching each of the numeric displays in turn will allow you to adjust them to the desired setting by using the keypad below which will appear Press enter to input and return to the time set screen Once complete touch the OK icon Check that the date time and day indicators are now displaying the correct settings
6. Hot Water On To Zone Valve unsuitable for mid position type Heating On To Zone Valve unsuitable for mid position type Solar Pump Secondary Hot Water Pump if Required 230 v Switching Only 2 Port Valve Cooling option only Not required Secondary Heating Pump if Required Water Cylinder Electrical Heater Immersion for Legionella Boiler not Required Volt Free 0 10 Volt Switching Only NO MAINS POWER Interconnecting Cable between Indoor and Outdoor Unit A B G Cylinder Temperature Control Switch High Limit Stat link if not used Water Flow Switch if Fitted link if not used Volt Free ON OFF Signal Heating On Off link if not used 0 10V Temperature Control Signal Solar Temperature Sensor Water Cylinder Temperature Sensor Hot Water On Off Installation Manual 2013 Riv2 11 LAILEY amp COATES Heat Pumps Engineered for British Homes Plumbing Installation Warnings This unit must be installed to conform with all relevant local standards and regulations by suitably qualified engineers Installation should be capable of withstanding a maximum water pressure of 10 bar Mid position zone valves should not be used to switch between heating and hot water Hydraulic zone valves are not suitable for use with this system Water quality should conform with EN directive 98 83 EC To avoid possible damage to Electrical components please ensure a suitable means of drainage is availa
7. LAILEY AND COATES HEAT PUMPS ENGINEERED FOR BRITISH HOMES Inverter Air Source Heat Pump Split System BBAV Certificate No MCS BBA 0137 Product Installation Manual Inverter Air Source Heat Pump Split System 2 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Contents General TOMATO Ms sra be 5 Technical Specification rire 6 Installation of External UNit rie 7 Installation of ACC Unita poa 8 WINE A UCONN Sierra orar eamis 9 Rated power input and fuse information rire iii 10 Indoor Electrical CONNECtIONS e 11 PIUMPINS Sta la ON arneses aba 12 Refrigeration InstallatiOn rire 14 DIP SWEN SEINE S aeea EERE aco coa 16 Pre Operation CheCkliSt rie 17 COMPMNISSIONINE cranici 18 CEO CEO NOY onenean aE ada oconacidovenneteonsumetssnsanatssansrencesaanersceaenasaen es 19 How to set up LCD controller ooccoccccccncnncnnncnnnnncnnacnnnonannaconcnnronaconcnnronanoninos 20 Setting the Hot Water Temperature ie 21 Setting the Heating Water Temperature i 22 Setting the Heat Pump Timer rire 23 E rr 26 Simple Trouble Shooting GUIA ooccccccocccconononcncononcncncnnnncncnncnrononcncnncnconnncnnons 27 Access to change system parametersS rire 27 Fault Error COGES amioncaranicunddarc triste erariale 30 COMMISSIONING S
8. Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Technical Specification Outdoor temperature range Refrigerant Type CG oo oo comes 2 sen TO esere TO N YU N ul Piping connections flow and return E 11 4 female 9 3 1 T Min Dimensions outdoor unit Width Gross Net 963 343 120 103 LC 10 LC 12 LC 15 5 Dimensions indoor unit 4 e Weight soundpressuretevel J 26 Electrical Heaters 450 262 40 35 29 55 30 55 o so s 6 3 3 2 s i 5 Ta DB WB 7 C 6 C LWC 35 C AT 5 Cas per EN 14511 Installation Manual 2013 Riv 2 6 LAILEY amp COATES Heat Pumps Engineered for British Homes Installation of External Unit When locating the External Unit the following considerations should be taken into account If wall mounting ensure that the structure is sufficiently solid to bear the weight of the unit without causing vibration If floor mounted ensure base is solid with no likelihood of subsidence Select a location so as to minimise disruption to neighbours and avoid close proximity to bedrooms In accordance with MCS standards Ensure adequate access to and around the unit for maintenance and non restriction of airflow Close proximity to possible gas leaks or electrical equipment should be avoided When in defrost excess water will drain from the unit so ensure an adequate method of disposal to same Air Flow Restrictio
9. arged with refrigerant Non Condensable gas i e Nitrogen in the system Water Flow failure High on coil temperature on the indoor unit Faulty pressure switch Ri A In Defrost Mode High ambient temperatures Dirty coils on the outdoor unit Outdoor fan failure Non Condensable gas ie Nitrogen Poor airflow on the outdoor unit see application guidance from the service book Over charged with refrigerant System energised faulty reversing valve Faulty high pressure switch SER Installation Manual 2013 Riv2 27 LAILEY amp COATES Heat Pumps Engineered for British Homes Simple Trouble Shooting Guide Continued Low Pressure Fault This means that the heat pump system has detected a lower pressure set on the low pressure switch Causes In Heating Dirty outdoor coils Poor airflow through the outdoor coils Outdoor fan failure Blockage in the pipe work ie liquid or expansion pipe Insufficient refrigerant S O G short of gas No refrigerant caused by a leak Faulty low pressure switch Fault on the reversing valve Extremely low ambient temperatures Pio de High Discharge Temperature This will cause the compressor to burn out if not rectified in time Causes In Heating 1 Insufficient refrigerant 2 Partial blockage in the pipe work da Compressor continually stop start 4 Poor airflow through the outdoor coil In Defrost Mode Insufficient refrigerant Partial blockage in the pipe work
10. bient temperature sensor failure 1 Check T4 ambient temperature sensor 2 Check outdoor PCB E10 T5 Liquid coil temperature sensor failure 1 Check T5 liquid coil temperature sensor 2 Check outdoor PCB E11 T6 Condenser outlet 1 Check Condenser outlet temperature sensor temperature sensor failure 2 Check outdoor PCB E12 TH Absorption temperature sensor 1 Check TH Absorption temperature sensor failure 2 Check outdoor PCB E13 TW Water tank temperature sensor 1 Check TW Water tank temperature sensor failure 2 Check indoor PCB E14 T1 Solar temperature sensor failure 1 Check TB Plate heat exchanger water outlet temperature sensor E15 TA Water tank temperature sensor 1 Check TA Water tank temperature sensor failure 2 Check indoor PCB E16 TB Plate heat exchanger water outlet 1 Check TB Plate heat exchanger water outlet temperature temperature sensor failure sensor 2 Check indoor PCB 30 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Fault Error Codes Continued E17 TC Electric heater temperature sensor failure 1 Check TC Electric heater temperature sensor 2 Check indoor PCB E18 EEPROM Failure 1 Check EEPROM 2 Check indoor PCB E19 Inverter current detector fault 1 Check detector contact cables are firmly connected and not damaged 2 Check Outdoor PCB connected and not damaged 2 Check Outdoor PCB E21 Inverter DC ov
11. ble for the pressure relief valve If the Heat Pump is being installed as a retro fit please ensure system is fully flushed to avoid damage to Internal Unit Heating Schematic Typical Y Plan Configuration Typical S Plan Configuration 1 No 230v 3 Port Valve 2 No 230v 2 Port Valves NOT mid position type i e switched to heating or hot water NOT both Minimum Water Flow Rates 12 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Plumbing Installation Continued Internal Pump Settings e lf used with radiators pump should be set to AUTO e lf used with under floor heating pump should be set to MANUAL and adjusted to Settings 1 2 or 3 to achieve required flow rate as per table above e fa combination of radiators and under floor heating pump should be set to manual as above If the required flow rate is not achieved an auxiliary pump can be fitted to either or both Central Heating and Hot Water and wired to 230 Volt connections on wiring block Please Note e Zone valves should have a maximum changeover time of 60 seconds e Flow and return pipes are 1 1 4 female A male to female reducer can be used if necessary e To facilitate ease of maintenance isolating valves should be installed on flow and return pipes as close to the unit as possible e A flow meter should be installed to ensure correct flow rate available from Lailey and Coates Pipe connect
12. con _ 9999 99 99 nour is illuminated the timer is set o To set the required holiday period touch the relevant sections of the start date and enter the relevant digits using the following screen 9999 99 99 hour Press enter after completing each section Repeat for all sections of start and finish date and time Using the 24 hour format select the hour to start and finish the holiday period To reset and start again touch the clear icon When you have completed your selections touch the red off icon iris will turn from red to green to indicate that the timer is set Please note The heat pump will not function between the set dates 26 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Access to change system parameters To gain access to the system parameters touch the parameters icon on the main home screen and the enter the following code 223344 followed by enter Simple Trouble Shooting Guide This guide is to provide engineers a simple understanding of potential faults and how to rectify them Lailey and Coates error fault codes are listed in full on page 29 of this manual High Pressure fault This Indicates that the Heat Pump system has exceeded the maximum pressures set on the high pressure switch Causes In Heating Mode 1 This may be due to blockage within the water pipes giving poor thermal transfer through the heat exchanger Over ch
13. day Timer Within this screen there are two display grids for days of the week the upper one is for heating the lower for hot water Touch and hold relevant day to access the timer settings for that day the controller will beep and screen will change as follows Please note that when the timers are set for each individual day a green circle will be displayed to the left of the day You can also access the holiday timer from this screen Installation Manual 2013 Riv2 23 LAILEY amp COATES Heat Pumps Engineered for British Homes Setting the Timer Continued Individual day timer screen Heating Touch to close Enable Power Mod the screen off cile BURR IMPORTANT off Touch to accept off settings before aff closing this screen Within the individual day timer screen there are three pairs of on off timers In other words the system can be set to switch on and off three times during a 24 hour period These can be set as follows 1 Touch the hour side left of the relevant time indicator this will allow adjustment of the hour by taking you to the following screen Using the 24 hour format enter the required hour For example 16 for 4pm the corresponding digits will appear touch enter to accept To adjust the minutes repeat the process by touching the minute side right entering the minutes and touching enter The correct time should then be displayed in set timer screen touch the OK ico
14. em water Pressure Bar Outdoor Unit Current Amps A Pressure Temperature relief valve installed B Combination valve installed Low Pressure reading C Tundish Installed NS Booster heater power supply vac MU D Expansion vessel installed O Z N High Pressure Reading Booster heater current Amps A E Safety solenoid valve installed a 35 Installation Manual 2014 Riv 2
15. er voltage fault 1 Check drive board not damaged 2 Inverter compressor E22 Inverter DC low voltage fault 1 Check drive board not damaged 2 Inverter compressor E23 Inverter AC over voltage fault 1 Check drive board not damaged 2 Inverter compressor E24 Compressor out of step 1 Check drive board not damaged 2 Inverter compressor Fixed speed compressor current detector fault 1 Check detector contact cables are firmly Installation Manual 2013 Riv2 31 LAILEY amp COATES Heat Pumps Engineered for British Homes Fault Error Codes Continued PO1 High Voltage Protection 1 Check Power Supply 2 Check the incoming power cable 3 Check outdoor PCB PO2 Low Voltage Protection 1 Check Power Supply 2 Check the incoming power cable 3 Check outdoor PCB PO3 Inverter Module Protection 1 Check Inverter Compressor 2 Check Incoming Cable High Pressure Protection 1 Check high pressure switch 2 This may be due to a blockage in the water pipes 3 Over charged with refrigerant 4 Non condensable gas ie nitrogen in the system 5 High on coil water temperature on the indoor unit 6 Check expansion valve 7 Water pump failure Inverter Compressor Frequency Wrong 1 check inverter compressor 2 Check inverter module PO7 Inverter Compressor High Discharge 1 Check refrigerant no leaks insufficient refrigerant Temperature Protection 2 Partial blockage in the pipework 3 Compr
16. es should be used Isolators should be double pole Isolate both units during maintenance and repairs Power Input and Communication Cables 3 Core Cable from MCB LNE Suitably Rated Internal Isolator 3 Core 0 75mm screened AGB terminals Ji Suitably rated 3 Core Cable from MCB LNE weather proof isolator Installation Manual 2013 Riv 2 9 LAILEY amp COATES Heat Pumps Engineered for British Homes Rated power input and fuse information o 220 240 6000 Please note Indoor unit load includes backup heater but not pump 54W rating e Indoor and outdoor units can be supplied separately or on one dedicated supply but slave unit should be suitably fused down e Shielded heat resistant cable to be installed on ELV cables e 300mm spacing should be ensured between unshielded 230V and all ELV cables where practicable e LC 12KW and LC 15KW External Units should be supplied via motor rated M C B S On completion of Electrical Installation please ensure the following e 230V and ELV cables are suitably connected in appropriate connection blocks e Dip switches to both Internal and external units are correctly set See page 15 e ELV connections 7 8 9 10 11 12 are linked out if unused e Electric heater switch in Internal Unit where applicable is switched on 10 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Indoor Electrical Connections
17. essor continually stop start 4 Poor airflow through outdoor coil 5 Check TP1 discharge temperature sensor 6 Outdoor PCB PO8 Fixed Speed Compressor High Exhaust 1 Check refrigerant no leaks insufficient refrigerant Temperature Protection 2 Partial blockage in the pipework 3 Compressor continually stop start 4 Poor airflow through outdoor coil 5 Check TP1 discharge temperature sensor 6 Outdoor PCB P09 Inverter compressor current protection 1 Check inverter compressor windings 32 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Fault Error Codes Continued P10 Fixed speed compressor current 1 Check fixed speed compressor windings protection P11 Condenser high temperature 1 Fan speeds protection 2 Check EEV 3 Check T3 coil temperature sensor 4 Check outdoor PCB Water flow switch FS protection 1 Check water pump 2 Check water flow switch 3 Check indoor PCB Tank temperature switch TK1 1 Check contactor protection 2 Check tank temperature switch TK1 3 Check indoor PCB Electric heater switch TK2 1 check contactor protection 2 Check electric heater switch TK2 3 Check water pump 4 Check indoor PCB T5 Liquid pipe high temperature 1 Check water pump protection 2 Check water flow volume by degree of inlet amp outlet should be below 80C 33 Installation Manual 2014 Riv 2 951 YEOVIL ROAD LAI tou am
18. heEt erre ere 34 3 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Thank you for purchasing a Lailey and Coates Air source Heat Pump Please read this manual carefully before installation and operation It contains important information to enable a safe and successful installation If you have any queries please ring our Technical Helpline on 01753 537830 before running the Heat Pump Safety Instructions To prevent injury damage to persons or property the following instructions should be followed at all times o This product should only be installed by Approved Lailey and Coates partners All installation engineers should be suitably qualified and made aware of the contents of this manual e Repairs and Maintenance should be carried out by Approved Lailey and Coates partners to ensure validity of Warranty e Internal and external units should be securely fixed to solid surfaces ensuring a minimum support weight of 20g mm2 e AII local regulations by laws and standards should be checked and adhered to at all times o Internal and External Units should be installed as per guidelines in this manual ensuring adequate ventilation and airflow around the units Care should be taken when cleaning installing product so as to avoid water ingress electric shock or damage to unit and associated pipework and cables Both internal and External units should be is
19. ions can be made either to top or bottom of unit e A bypass should be installed to the Heating to facilitate an overrun of 1 minute to the internal pump Prior to initial start up please ensure following e All Air is purged from system solar flush pump recommended on U Floor Heating Systems e Automatic Air Purge Valve on unit is open e Water Pressure is at approximately 2 bar this will need re pressurising as air is released from system e All valves are open apakuni Lis full Installation Manual 2013 Riv2 13 LAILEY amp COATES Heat Pumps Engineered for British Homes Refrigeration Installation Warnings This unit must be installed to conform with all relevant local standards and regulations by suitably qualified engineers When brazing the pipe always use OFN This unit is only suitable for R410A Refrigerant This product contains fluorinated greenhouse gasses covered by the Kyoto Protocol Do not vent gasses into atmosphere Please ensure all pipework is lagged in accordance with current refrigeration standard Precautions should be taken to prevent ingress of dirt etc into External and Heat Pump pipework Failure to do so can cause Heat Pump failure All systems are pre charged to 5m Heat pump system refrigerant capacities are as follows R 410A 1 8 kg 2 0 kg 2 8 kg 3 0 kg Please note If the maximum pipe runs shown below are exceeded an extra refrigerant charge is required as follows
20. it Ensuring that the isolators are switched off check that all cables are secure all terminals are tight and there are no bare ends exposed Stage 2 Refrigeration Pipework Before turning on the power and commissioning you must ensure that the system has no leaks and has the correct refrigerant charge If you are not the installation engineer please ensure that the pre commissioning sheet is completed Stage 3 Setting up the Controller Switch on the power and set up the LCD controller on the indoor unit See page 19 Stage 4 Initial Start Up Once the LCD controller is set the system can now start Press either the hot water or the heating icon on the LCD controller and the system will start There is a 3 minute time delay before the compressor will start Stage 5 Commissioning Sheet Once the system is fully operational and the inverter is at maximum speed 85 Hz compete the commission sheet by recording all data requested A sample commissioning sheet can be found at the end of this document Outdoor Unit Indoor Unit Temperature Air on the coil Water flow temperature pressure Temperature Air off the fan Water return temperature pressure Suction pressure temperature Water pump status Discharge pressure temperature Back up heater function test mn A W N HE Liquid pressure temperature LCD controller status Compressor running amps on each phase Mains incoming amps 0 N DO Ul A WN e Fan speed settings
21. n to confirm and accept the setting NOTE If you close the screen without touching OK your setting will be lost Continued 24 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Setting the Timer Continued 2 Once the time is set select whether this is to start or stop the system by touching the corresponding power icon and selecting on or off 3 The setting must then be enabled to do this touch the enable icon and ensure that a green tick is visible To disable simple touch again so that a red cross appears Repeat this process for each of the timer settings and when you have finished touch the OK icon Further repeat for each day of the week for heating and then for hot water Important To accept your settings you must remember to touch the OK icon before you close the screen To close touch the red cross on the top right of the screen This will return you to the main timer screen there should now see a green dot next to the day you have just set this confirms that the timer is set accordingly Installation Manual 2013 Riv2 25 LAILEY amp COATES Heat Pumps Engineered for British Homes Holiday Timer To access the holiday timer touch the timer icon on the home screen The daily timer screen will appear Touch the Holiday icon and the holiday timer screen is displayed as below 2913 99 95 Holiday date Time l When the green ON i
22. ns Provide a front clearance of minimum 4000mm e To sides and rear clearance of minimum 170mm Please note Floor and Wall mounting brackets are available from Lailey and Coates on request A wall mounting template is supplied with the External Unit 7 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Installation of Internal Unit When locating the Internal Unit the following considerations should be taken into account e f wall mounting ensure that the surface is flat non combustible and sufficiently solid to bear the weight of the unit without causing vibration Provision should be made for sufficient access to ensure ease of maintenance e Ensure the unit is not exposed to extremes of temperature e Avoid close proximity to possible inflammable gas leakage e Maximum refrigeration pipe length See page 13 Please note a wall bracket and mounting template are supplied with the Internal Unit 8 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Wiring Instructions Warnings This unit must be installed to conform with all relevant local standards and regulations by suitably qualified engineers This unit must be earthed Please ensure this unit has a suitable dedicated power supply supplies and is not susceptible to frequent power loss via time clocks or other devices etc Suitably rated and protected cabl
23. olated for these purposes o This product has been designed for use by persons with experience of Heating controls and as such should not be operated by children or persons with reduced physical sensorial or mental faculties unless supervised by a responsible person Installation Manual 2013 Riv2 4 LAILEY amp COATES Heat Pumps Engineered for British Homes General Information The Lailey and Coates Split System consists of two major parts The Internal and External Units They are connected via refrigeration pipes and an ELV shielded communication Cable The external units can either be wall mounted or hard standing but should be secured via suitably designed mounting systems available from Lailey and Coates When siting the outdoor unit it is essential that an adequate un restricted level of airflow is available to ensure correct operation and maximum efficiency of the system See page 7 The Internal Unit is designed to be wall mounted in a suitably dry position The Lailey and Coates Split System will accommodate all your heating and hot water demands and is suitable for use with under floor Heating Radiators and Fan Coil Units The system is integrated with an Electrical Heater for extreme weather conditions and also acts as a backup if there is a problem with the External Unit Model identification LC 15 Model Type Unit Size l Nominal Heating Lailey and Coates C apac ty 15 kW 5 Installation Manual 2014
24. p COATES SLOUGH TRADING ESTATE A Homes SLOUGH BERKSHIRE SL1 4NH Commissioning Sheet This form must be completed by the commissioning engineer and sent to Lailey and Coates at the above address The Warranty on this unit cannot be issued until this form is received by Lailey and Coates Tr Wwew CS E CS E CE CE CE e IN CE CE COC E Attending Engineer C I CO E Electrical Installation RCD RCB Other RCD RCB Other Mains Power cable Size Inter Connecting Cable Size Isolating Switch Installed Isolating Switch Installed 34 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Installation Related o A E A v Adequate service space around the Isolating switches installed for heaters outdoor unit Refrigeration Pipework Thermister installed in DHW cylinder in Insulated top pocket of ASHP in lower pocket for solar Use heat conductive paste for better heat transfer Mechanical Installation Y Provision made for drainage of Dip switches set on PC board if either outdoor unit thermostat or DHW cylinder has been installed Refrigeration piping length metres Air removed from system DHW Cylinder Un vented Flow and return isolation valves installed Operational Data MA Safe solenoid installed solar thermal a Outdoor unit Power Supply vac a Installation compliant with G3 Regs a Additional Refrigeration Added kgs Syst
25. re required pressure resistance and to prevent foreign materials from mixing into the system NB Glasses and Gloves must be worn Installation Manual 2013 Riv2 15 LAILEY amp COATES Heat Pumps Engineered for British Homes Dip Switch Settings Both internal and external Units have a bank of PCB dip switches These should be checked prior to initial start up to ensure correct operation of the Heat Pump Any changes to these settings should be carried out with the Heat Pump powered down to enable the PCB to recognise these changes The settings are as follows cm om om fom 9 oe fo fo on Internal Unit Volt Free 1 ON 2 OFF 1 10 Volts 1 ON 2 ON N B For Heat Pump operation ensure Electric Heater switch is ON For Boiler operation turn switch to Boiler not applicable to all units Backup Heater In the event of a system failure the back up heater can be used to ensure continued hot water and central heating The following procedure should be carried out to facilitate this option LC12 LC15 To isolate inverter compressor set Dip Switch 3 to off To isolate fixed speed compressor set Dip Switch 2 to off LC7 LC10 To isolate compressor and use backup heater set Dip Switch 3 to off 16 Installation Manual 2014 Riv 2 LAILEY amp COATES Heat Pumps Engineered for British Homes Pre Operation Checklist Prior to initial start up please ensure following General Dip Switches are correctl
26. y set to both External and Internal Units See page 15 There is no obvious damage to the body or components of the units Units are securely fixed to walls floor Electrical All cables are correctly terminated in appropriate connection blocks i e LV and ELV cables are not mixed up All links to ELV control wiring are wired Appropriate means of isolation and earthing have been installed Protection devices and cables are correctly sized and undamaged All terminations are secure Electric Heater switch in Internal Unit where applicable is ON Plumbing Backup heater vessel is completely filled with water Air purge valve is open at least 2 turns All shut off valves are in place and in the open position Refrigeration System has been pressure tested for leaks System contains correct refrigerant levels Schrader valves are tight Service valves are open When the above checklist has been carried out and the pre commissioning sheet is completed you are ready to run and commission the Heat Pump Installation Manual 2013 Riv2 17 LAILEY amp COATES Heat Pumps Engineered for British Homes Commissioning After the initial installation the system needs to be commissioned this document will explain and show how to set up and commission an air to water heat pump Stage 1 Electrical Check that the system wiring is complete and connected properly before switching on the power to the indoor and outdoor un
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