Air Source Heat Pump Installation and Maintenance Manual for 2
Contents
1. inch BSP male 3 lt eo rA LA lt A connections these should Z D R D TIPR be connected to flexi 2 DA E E n hoses sa Aa as io The flexi hoses have to be D O N E ai o Y A insulated to conform to Y Ka io MCS D d a S gt p r 5 You cannot combine the D ns 7 flow of the units together 5 laj G2 without a low loss header 3 or buffer o z To maintain flow rate we recommend 28mm H ae lt ais pe i ee Aas een F S pipework is used with this ZS Eg a machine NEVER use E Re 22mm plastic tube if you aa D 3 insist on using plastic use B n S 28mm throughout es 5 Gg z he D 3 Ee 33 You will also need to ee So install A low loss header buffer or 2 heat exchangers 2 High resistance pump Expansion vessel Pressure gauge Pressure relief valve filling loop 2 x Magnetic filter Strainer 2 x Flow meters Flow switch 4 x 2 port valves Japesy ynq pue s uoz 3ajdijnw YIM JEpUl AD SdwNd e H Z dund e y y 0 jeuBis unu e pu s o ue1o pue 1p y yms pu sy sduind uoz uo y Jyms pue S Ajea uoz y u do sdwnd paijddns pjey ein peduund suinjes pue moj ae Wwopeoi4 We recommend the system has a break in it you can use a header a buffer or a heat exchanger to do this This is done to maintain uninterrupted flow qa 0 100 N WOJ sjeubis unl JO SJEJSOLUIJSU 9y SN dwng sduing 8 H z d2. 37 for rads 37C for ufloor e 2091 1 tells unit to look for a run signal on terminal B22 e 4021 1 tells unit a backup heat pump is present 4024 10 tells unit not to use the backup heater if ambient is above 10C it is possible to scroll through the days amp select every day then legionella can be run daily rather than weekly Electrically testing the unit lt is possible to test each component one after another using a service function You can use this to make sure you have wired everything correctly To access service mode press blue set button and test button together for 6 seconds q The controller will display TEST mee 1 l Cos Cos Hh La atCodAo StdEcoPwr C25 Ces Set View d c EOD Press the top left button the unit will run the pump To test the external run signal or stat is connected adjust temperature on stat up Heat1 will replace test on screen To exit service mode press and hold cancel delete for 6 seconds Firstly in test mode run the pump press blue set button and test button together for 6 seconds The controller will display TEST Immediately press the top left button to turn the pump on and leave it running while in test mode When the pump is running a little house with a circle around it in the status window of the controller The unit wants to see at least 17 min flow to activate the flow switch if there is not enough flow the unit wil
3. If wall brackets are used we recommend 600mm unistrut cantilever arms are used Caution should be applied when wall Drain Hole 020 x 4ea mounting because any vibration form the unit can be transmitted into F the wall creating noise Drain Plug x Tea The unit must have adequate drainage away from the unit it can produce up to 6 L hour There is a drainage kit included which we recommend you don t use its best to let the unit drain into the ground If a drip tray is used it must be 25mm longer and wider than the base of the unit to catch all the drips Dimensions Size 16 1420mm h 940mm w 330mm d 103kg Size 9 998mm h 940mm w 330mm d 75kg 300 or more z The space around the unit is very important allow Pra 300mm to the left hand side facing the front of the RH mR S unit 600mm to the right of the unit 300mm to the S rear of the unit and 1500mm to the front of the unit S V 4 E The Control Box Each heat pump is delivered with its own control box which also contains the flow switch Install the control unit indoors as it s not waterproof It needs to be sited less than 15m of the hot water cylinder 100m of the outdoor unit and as near as possible to the pump flow switch and any zone valves The box is 323mm wide 339mm high 131mm deep Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 4 SAMSUNG Pipework Schematic size 9 and 16 units Each heat pump has 1
4. January 2015 21 SAMSUNG Warranty Registration Card Warranty MUST be registered within 30 days of delivery to site You must send proof of delivery with the warranty card Warranty will start from the date the unit is delivered All registrations made more than 30 days after this period will be rejected lf commissioning data is not available at this time register the unit and send the data at a later date the warranty certificate will be returned to you when the whole form is completed This warranty covers only the Samsung components of the installation it is parts with a pre set labour allowance only The warranty is between Freedom Heat pumps and the installation company only this is NOT an end user warranty lt is the role of the installer to offer a warranty to the end user covering all of the heating system including the heat pump The standard warranty is valid for 12 months from date of delivery as entered on this card If the unit is installed by a Samsung approved installer and this card is sent back within 30 days of delivery date the warranty is automatically extended to 36 months Approved installers also have access to warranty extensions at the time of registration for warranty a 4 year extension to the warranty can be purchased from your distributor or directly from Freedom Heat Pumps Call 02380274833 for details and pricing The warranty card can also be used as a maintenance card mi Freedom www sa
5. compensation and temperature control in heating the 30s are for the cylinder and the 40s are for backup boilers and hybrid systems Below are the field setting specific to your system as described in this book Enter field settings by pressing test for 6 seconds 10 will show 5 on the screen Scroll up to 20 using the silver up button press set 2011 will show To adjust this setting press set again the setting will appear at the top of the screen adjust it with the silver up down buttons and press set again scroll up to the next field setting using the up and down buttons and repeat When you have finished all your 20 settings press cancel delete once 20 will show on the screen press the silver up button to move to the 30s and repeat the procedure above When finished or if you get lost press cancel delete 2 x to return to the normal screen Note if you set a field setting and go back to check it it will not have changed the field setting do not get written to the PCB until you finish setting and exit Freedom www samsungehs co uk G Hendra January 2015 17 Heat Pumps e i SAMSUNG Field settings to set see user manual for a full list 2011 2 low ambient setting for optimisation set to 5 in Scotland 2012 15 high ambient temp for optimisation 2021 45 50 Flow temperature in cold weather 50C for rads 45C for ufloor 2022 37C Flow temperature in mild weather 37 for rads 37C for ufloor 2091 1 tells unit to l
6. through B20 B22 and or B20 B24 the controller no longer drives the unit When the contact is made the unit will start and the water temperature will be controlled by the heat pump you will not have any control over it The water temperature is determined by the outdoor temperature the colder it is outside the warmer the water The unit is running in weather comp mode You will see 0 0C on the screen the unit is using weather compensation function to work out the water temperature If you need to boost the heating water temp this can be done by pressing the silver up and down buttons This boosts the radiators by up to 5 C but warning this will cost more money to run Flow temp in weather comp mode 52 off E E nm a__ flow temp 1 Pd flow temp 2 flow temperature C Beeps B o 2022 and 2032 When an external stat or run signal is used most of the functions of the Samsung remote are disabled A waging finger shows at the bottom to show this All these buttons are disabled and the functions they control are also disabled Note when the heating command is sent to the unit it will not start for 3 minutes And when the thermostat or signal is removed the pump will run on for up to 6 minutes On latest software the end user can override the stat switching the unit off with the top left button Avoid this as the unit will no longer run If the sun signal is not on the display the heating is not go
7. 2015 18 SAMSUNG lt is possible to test each component one after another using a service function You can use this to make sure you have wired everything correctly Electrically testing the unit To access service mode press blue set button and test button together for 6 seconds The controller will display TEST Immediately press the top left button to turn the pump on and leave it running isal wb m A while in test mode to avoid a fault ot PA Std Eco Pwr Ca Cap a act ie Press the top left button the unit will run the pump one Week Press weekly to test the immersion heater in the hot water cylinder N The hot water valve should be closed Press the lock button to make a coke can appear the HW valve should move to open press lock again to close it The Heating valve will be open Press the top right button to close it 2 1 will show on the screen Press top right to open it again To test the external run signal or stat is connected r lest i adjust temperature on stat up c of Te 5 i Function OFF 3sec Heat1 will replace test on screen Quit Self Test Mode Back up Heater 1 state Back up Heater 2 state Pd Er 5 Using the blue view button you can see 5 temperature sensors inlet and outlet to the heat exchanger the red sensor where used water cylinder and sensor in the remote controller ha To exit service mode press and hold cancel delete fo
8. It s a little milk churn with a c in it The pipework will begin to heat up check the flow temperature by pressing blue view button once the temp of the flow is shown next to a symbol of a house in a circle Over time this will warm up now check all the radiators or U floor loops are hot as well Starting the System in hot water mode Press Hot water on off button to start the unit top right button Set the desired temperature to 48C press blue set button once until a tap shows now set using the up and down buttons The unit will take up to 6 minutes to start in Hot water mode be patient don t press buttons When the unit is heating the cylinder this coke can symbol shows on the controller Run test in hot water mode In hot water mode check that the 2 ports are sending water into the hot water cylinder Using the view button blue on the remote controller check the hot water cylinder temperature and note it down the hot water temperature is displayed when the tap symbol shows After 15 minutes of running check the hot water temperature again it should have risen again note the temperature If the temperature has not risen check the blue temperature sensors is installed properly If the unit is running well it should heat the cylinder to 48C without needing the immersion heater Not enough hot water The Water storage temperature is lower 48C than a normal fossil fuel cylinder It s important to check that any show
9. SAMSUNG installer Piease Read instructions SAMSUNG iFreedo m www samsungehs co uk G Hendra January 2015 2 Heat Pumps E SAMSUNG Air Source Heat Pump Installation and Maintenance Manual Model Numbers RCO090 120 140 and 160MHXEA 2 units connected together ae ec PEPER PRES f if f HEHE t rr mo aa Oo gt SSSI SSES Freedom www samsungehs co uk G Hendra January 2015 3 Heat Pumps A meee i SAMSUNG The outdoor unit boiler Deciding on Where to Install the Outdoor Units Choose a location where the noise of the Air to Water Heat Pump when running and the discharged air do not disturb any neighbours Install the outdoor unit on a flat stable surface with plenty of drainage gravel or grass is ideal make sure the base can support its weight Position the outdoor unit so that the air flows into an open area where there are no plants and animals If you can see the sea from the position of the outdoor unit you need to apply Blygold Bronze glow or equivalent anti corrosion coating on the whole unit The unit will not benefit from being mounted on the North or south of the building any aspect is fine you should avoid very exposed positions to avoid wind blowing into the back or front of the unit The unit needs to be securely mounted at least 100mm off the ground on rubber feet The unit must be bolted down for security using 10mm bolts and Zebedee bolts
10. away from the heat pump as possible The bypass valve enables flow to be maintained as the trv s shut down at all times to prevent unit flow fault The Cylinder The cylinder needs to be installed less than 15m from the control box to allow for the temperature sensor cable Note the size and weight of the cylinder Full installation instructions are included with the cylinder Cylinders can be used IF the coil area is more than 2 5m 2 Smaller coils are not acceptable and cannot be used Please do not attempt to utilize a standard central heating non heat pump optimized cylinder Cylinders can be pressurised or open vented Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 6 SAMSUNG Wiring diagram for heating and HW heat pump 7 Freedom Heat Pumps SAMSUNG Wiring Diagram Master Flow switch 2m long CjCW_ojC _oICICS iV EEV DOWNLOAD TS TS2 SG FS a ER 12m lon you can extend this OS J paver anne Gili DOWNLOAD ne B rs Communication cable nE 2 core 1mm 16Vdc n SISISIE RS l BODOEGE oe Hi eee d flow of the master unit t b L E7 5y EA Power input www samsungehs co uk G Hendra January 2015 3Amps Run signal to Run signals Power supply 240V system F 20A for size 9 1 32A for size 16 terminal 22 Heat Pumps Ee p SAMSUNG Freedom Heat Pumps SAMSUNG Wiri
11. e this can be set by an engineer but it will increase your run costs by up to 25 2 The system is designed to run continuously in cold weather turning the system on and off will make the house uncomfortable and will increase your run costs The most efficient way to run this heating system is to leave it running at the set temperature 24 hours a day in winter time If you turn off the heating and let the house get cold less than 17C it will take a very long time to warm back up to a sensible temperature Your systems have been set up to be simple to operate The Samsung controller looks like this you should not use this or press the buttons on it it is for commissioning and making settings to the system only You should see 0 0C on the screen this means the unit is under external control from a room thermostat If the system goes into fault the screen will show a number at the H SAMSUNG bottom starting with E for example E911 A00 The engineer will want to know this number when you call him Heating Control of the heating is by your wall mounted thermostat not the Samsung controller you need to read the instructions for this thermostat as its field supplied The boiler will run when told to by the thermostat DON T set the room temperature too low the heat pump takes time to recover the house temperature as a rule don t set the temperature more than 2 degrees below your normal set temperature when you go out of the house o
12. ed installer Warranty required years Installation Addrass warranty starts from this date 3 5 years You Engineers name Company Addrass Engineers phone number Email address Signature of engineer Date accept the terms of the Samsung warranty and confirm the system has been registered within 30 days of delivery also include a copy of the delivery note Signed Name Freedom www samsungehs co uk G Hendra January 2015 23 Heat Pumps A meee i SAMSUNG The Samsung heat pump should be maintained at least once a year to comply with warranty and RHI The warranty card also doubles up as a maintenance sheet Maintenance Monobloc Systems Maintenance procedure Stop the unit clean the strainer or magnetic filter in accordance with manufacturer s recommendations and replace it Test the concentration of the Anti freeze glycol in the system using a Glycol tester the level should be 25 If you don t have a glycol tester a glycol tester refractometer can be bought from your heat pump supplier or online Refill the unit pressure should be 1 2 bar We need to test the operation of the unit against the hot water cylinder So first we need to draw off 50 liters of water run a couple of taps for 5 mins to achieve this The unit should start up automatically in hot water mode if it doesn t press the top right button on the controller in 3 4 mins it will start heating the cylinder a coke can symbol
13. er The EHS system needs 2 power supplies One connects into the outdoor unit 20 Amp for the 9kW and 32 Amp for the size 16 The one for the control box is 3 Amp and wires into A1 and A2 on the PCB the breaker must be removed Communication cable Must be run from the outdoor unit to the control box Use 2 core flex 0 5 1mm its 16V ac Sensors The red safety sensor is to avoid over temperature it plugs into a red socket T3 on the controller PCB and must be fixed to the flow pipe of the heat pump before it joins the header Thermostats timers and under floor heating manifolds We recommend in all cases the heating should be controlled by an external field supplied room stat setback stat time clock or a run signal from a boiler enable signal from under floor manifolds The heat pump run signal connects from B20 B22 B20 is permanently live 240V ac Pump The circulation pump must be wired Live to B6 and neutral to B5 MAX pump power is 500 Watts If two pumps are used wire them both to these terminals Wiring and Power Supply Information Slave Power The Each EHS system needs 2 power supplies One connects into the outdoor unit 20 Amp for the 9kW and 32 Amp for the size 16 The one for the control box is 16 Amp and wires into A1 and A2 on the PCB the breaker must be removed Immersion Heater The immersion heater is connected into the control box terminals A3 Neutral and A4 Live The control box controls the operation of the imme
14. er or bath mixers do not further reduce the water temperature Using your thermometer check that the hot water comes out the tap at the same temperature it leaves the cylinder If it doesn t you might need to make adjustments to taps mixers etc DON T raise the cylinder temperature to compensate Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 20 SAMSUNG Problems lf there is a problem see page 14 Caution in Cold weather lf the water in the system is below 10C the heat pump WILL NOT START Press the blue view button you can see 4 sensor readings press it until the pump symbol shows a circle round a house This is the water temperature if it s below 10C the unit will not start but the pump will run You must warm up the water to get the unit to run the easiest way to do this is to run the immersion in Test mode page 13 to warm up the cylinder first by manually cranking open the HW valve you can prime the heat pump with the warm water coming back from the cylinder If everything is cold less than 5C the remote controller the water the tank etc the unit will not operate correctly it can t understand how the house has got so cold You will find the on off button for heating won t work and if you try to use HW mode it will switch itself off You need to allow the unit to warm up first Make sure the remote controller is in a heated room Freedom Heat Pumps www samsungehs co uk G Hendra
15. ettings are in groups the 20s are for weather compensation and temperature control in heating the 30s are for the cylinder and the 40s are for backup boilers and hybrid systems Below are the field setting specific to your system as described in this book Enter field settings by pressing test for 6 seconds 10 will show 5 on the screen Scroll up to 20 using the silver up button press set 2011 will show To adjust this setting press set again the setting will appear at the top of the screen adjust it with the silver up down buttons and press set again scroll up to the next field setting using the up and down buttons and repeat When you have finished all your 20 settings press cancel delete once 20 will show on the screen press the silver up button to move to the 30s and repeat the procedure above When finished or if you get lost press cancel delete 2 x to return to the normal screen Note if you set a field setting and go back to check it it will not have changed the field setting do not get written to the PCB until you finish setting and exit Freedom www samsungehs co uk G Hendra January 2015 12 Heat Pumps e i SAMSUNG Field settings to set see user manual for a full list e 2011 2 low ambient setting for optimisation set to 5 in Scotland e 2012 15 high ambient temp for optimisation e 2021 45 50 Flow temperature in cold weather 50C for rads 45C for ufloor e 2022 37C Flow temperature in mild weather
16. f the control box The flow switch is round the right way you can turn the head All valves are open The pump speed is set at highest There is no air in the system There is water in the system If you manually open the hot water 2 way valve check the flow rate again if you can only reach 16l with the heating and hot water open together it s a sure sign the pump you have installed is too small If you think the flow switch is faulty it very rarely is remove the paddle from the water by undoing the red nut you will need to block up the hole temporarily Now run the pump again switch your stats down then up again After 3 mins of pump operation and holding the flow switch the outdoor unit will start don t rush the system it takes time Rattling flow switch Cavitation E911 fault could be caused by a rattling flow switch This can usually be heard but can also be felt by holding the flow switch To correct it use a screwdriver or pliers on the top of the Flow meter and turn the ball o fix valve from 12 o clock to 1 o clock this deflects the water flow amp should further reduce the rattle Flow meter in 1 o clock positioning Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 14 SAMSUNG Please return a photo or scan of this form and the delivery note to warranty freedomhp co uk Once received we will confirm receipt and start of the warranty period Samsung EHS commissioning and maintenance sheet Y
17. ing to operate How the slave works When the master unit is struggling to heat the house and the ambient temperature is below 10C the slave unit will be asked to help out How hot water works The hot water cylinder has priority over the heating if the cylinder temperature falls 5 degrees below its set point the unit will automatically switch to heating the cylinder Once set temperature is achieved the unit will go back to heating the house The hot water cylinder loses almost no heat 1 3 a degree an hour if no hot water is used The hot water cylinder takes less than an hour to heat up from cold If you need hot water very fast the DHW button forces the unit to heat the water flat out the unit will stay in this mode until you press the DHW button again To protect from legionella the cylinder is heated to 60 degrees C once a week automatically Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 25 SAMSUNG Your Samsung 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 notice Leave this page with the Homeowner 1 The radiator temperatures are lower than normal and will alter as the outdoor temperature changes The colder it is outside the warmer the rads and vice versa This function is automatic and is designed to save you money At their hottest they will reach 50C If you would like a constant radiator temperatur
18. ire can be extended to suit We recommend a flow meter is installed into the flow side of the flow switch as per the photo Adaptors may be required to enable this join The flow switch is not IP65 rated weatherproof and so must not be installed externally Diverter valves If you require domestic hot water and heating diverter valves are required you A need to supply these wI Water Filter In all cases a filter with strainer needs to be installed in the return to the heat pump A magnetic filter must also be installed in the return to the unit The filters ensure that debris foreign materials do not cause damage to the heat exchanger in the unit voiding warranties Glycol A propylene glycol mixture must be utilized to prevent freezing of the water within the system lt is important that the glycol concentration is adequate to protect the unit in case of power failure in very cold conditions If the unit freezes up there will be no warranty Manufacturer dependant a mix of around 25 should suffice Buffer vessels heat exchangers and low loss headers You don t have to use a buffer vessel on a Samsung but we do need a minimum flow rate of 17l min and have a circulating volume of over 20 Litre To achieve this is much easier if you break the system in two with a header a buffer or a heat exchanger Bypass Valve If you don t use a header buffer or heat exchanger you must install a bypass valve in the heating circuit as far
19. l never operate You should have a flow meter installed if you haven t now is the time to buy one If you look into the flow meter you can see the flow in litres per minute In this picture you can see a flow rate indicated this shows 25l min NOT 35l min If the flow rate is too low you need to fix this before moving on Freedom www samsungehs co uk G Hendra January 2015 13 Heat Pumps A meee i SAMSUNG Turn up your thermostats to send a run signal to the unit the pump will start immediately a little house with a circle round it appears in the status window when the compressor starts after 3 minutes you will see the symbol for the compressor in the status screen It s a little milk churn with a c in it The pipework will begin to heat up check the flow temperature by pressing blue view button once the temp of the flow is shown next to a symbol of a house in a circle Over time this will warm up now check all the radiators or U floor loops are hot as well Starting it up in heating mode E911 and compressor not running E911 means the water is not moving fast enough to push the paddle switch If you look into the flow meter you can see the flow in litres per minute In this picture you can see a flow rate indicated this shows 25l min NOT 35l min The flow switch trips out at 15l min if the flow drops below this E911 shows Check The flow rate MUST is over 171I min The flow switch is connected to the PCB o
20. mote controller by sliding it upwards turn it over and hold the red sensor at the top DON T TOUCH THE PCB there are 8 dip switches near the red sensor using a small screwdriver flick dip switch 1 and 5 to on Cooling will no longer be available Put the controller back on the wall Powering Up Makes sure all your room thermostats are off and all underfloor run signals are off first Apply power to indoor control box first then the outdoor unit At the indoor unit In the middle of the control box PCB you will see two tiny leds one red and one orange green flashing If this doesn t happen check there is power on at the outdoor unit Check the comms cable between the outdoor unit and the control box F1 and F2 Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 11 SAMSUNG Setting the Clock Press the grey set button for 5 seconds The day will flash adjust this with the silver up and down buttons press grey set The hours will flash adjust this with the silver up and down buttons press grey set The minutes will flash adjust this with the silver up and SIMJT WT ES down buttons press grey set you are back to the normal ay screen TAHE ating MAS Field Settings Field settings are what define how the unit is configured and how it will work each system can have very different field settings Many field settings will need to be made NOTE the set button is the grey one not the blue Field s
21. msungehs co uk G Hendra January 2015 22 Heat Pumps E i Please return a photo or scan of this form and the delivery note to warranty freedomhp co uk Once received we will confirm receipt and start of the warranty period Samsung EHS commissioning and maintenance sheet You will need a thermometer and a pen to complete this form The Unit Model Number From outdoor unit night hand sida Serial Number From outdoor unit night hand side Ambient air temp measure this in the garden Have you claaned the filter Glycol concentration amp measure this Have you claaned the coil Have you polished the unit In Heating Mode Water flow temp from remote controller W ater return temp measure this Flow rate Vmin from flow meter Temp of air at the back of the unit EEEE aude E Flow rate min when radiators and ufloor manifolds closed from flow meter Cylinder Hot water cylinder model and serial no Cylinder water tamp at start up press view button on re And after 30 mins press view button on rc Water flow temp from remote controller Water retum temp measure this Flow rate l min from flow meter Immersion heater currant press immersion button on re Immersion heater cutout setting remove cover and adjust to 70C Commissioning Data not required at maintenance Where wag the unit purchased Date Installed Date delivered proof of delivery required Date Commissioned Are you a Samsung approved installer Would you like to be an approv
22. ng Diagram Slave a e gt Flow switch 2m long CILJ CICA ed stend tha 12V EEV DOWNLOAD TSI TS2 SG F S Elin 12m long you can extend this DOWNLOAD DI OIS 28 8 rf Communication cable o 2 core 1mm 16Vdc l 982 S 2 2LLLLL rd B 9 2 oe e e e p o e U T T DD P 8 2 H oe POSS 58 Run signal from Power input system 2 terminal B2 6 Amps Hot water vere Power supply 240V m 20A for size 9 32A for size 16 Heating How the valves work valve The HW valve is only open B9 live when the system is in HW mode coke can symbol showing in status on controller it is closed B10 live at all other times Heating valve 1 is open at all times B14 live except when HW is operating and when thermostat 2 only is made B13 live 8 www samsungehs co uk G Hendra January 2015 SFreedom Heat Pumps SAMSUNG N Freedom Heat Pumps SAMSUNG Stats and heating wiring Run signal to heat pump te a Run signal to heat pump boh ua Power in at a Pump 2 Header buffer or heat exchanger Pump 3 If under floor heating is used the stat is replaced with the boiler run signal in the 11 www samsungehs co uk G Hendra July 2014 ne 9 www samsungehs co uk G Hendra January 2015 Heat Pumps N Freedom SAMSUNG Wiring and Power Supply Information Master Pow
23. ook for a run signal on terminal B22 3011 1 tells unit it has a tank connected 3025 50 90 mins max tank heating time 50 for up to 210L 75 for 300L tanks 3032 30 mins delay time before immersion heater starts in tank mode 3042 Wednesday day legionella happens always use Wednesday 3043 3 am time it happens 3044 60 C legionella temp it is possible to scroll through the days amp select every day then legionella can be run daily rather than weekly Cylinder timer To avoid the cylinder heating being switched off we always add 2 on timers a day one at 3 00 am and one at 15 00 pm To insure the cylinder is hot 24 hours a day we don t normally set any off times Press daily button once no 1 and on shows press grey set press up or down until the tap symbol shows at the top of the screen with 2 dots press grey set adjust hours with up or down button to 3 am press grey set minutes flash press set Now everything flashes press set grey No 2 appears do the same again but for 15 00 After everything is set no 3 will show Press cancel delete twice the normal screen will show Daily will appear next to the time The timer is active To delete the timers press daily 2 x the set schedule will show press and hold cancel delete for 5 seconds keep doing this until no1 shows press cancel delete 2 x and in the normal screen daily will have disappeared Freedom Heat Pumps www samsungehs co uk G Hendra January
24. ou will need a thermometer and a pen to complete this form The Unit Model Number From outdoor unit nghi hand side serial Number From outdoor unit right hand side Ambient air temp measure th s in the garden Have you cleaned the filter Glycol concentration measure thes Have you cleaned the cod Have you polished the unit In Heating Mode Water flow temp W ater return temp Flow rate Limin Temp of air at the back of the unit Flow rate min when radiators and ufloor manifolds closed from flow meter Date Installed Date delivered proof of delivery required Date Commissioned Are you a Samsung approved installer Would you like to be an approved installer Warranty required years Installation Address 3 5 T years You Engineers name Company Address Engineers phone number Email address Signature of engineer Date accept the terms of the Samsung warranty and confirm the system has been registered within 30 days of delivery also include a copy of the delivery note Signed Name Freedom www samsungehs co uk G Hendra January 2015 15 Heat Pumps A meee i SAMSUNG Start up Procedure Slave With the power OFF remove the front of the remote controller by sliding it upwards turn it over and hold the red sensor at the top DON T TOUCH THE PCB there are 8 dip switches near the red sensor using a small screwdriver flick dip switch 1 and 5 to on Cooling will no longer be available P
25. r 6 seconds Back up Boiler ame DHWValve fone 1 Valve ACOA Hi eD td Eon Pwr Tone 2 Valve iS Ta Show five temp sensor IG AE i gt values in order le Mte Freedom www samsungehs co uk G Hendra January 2015 19 Heat Pumps A meee i SAMSUNG Test 1 To Avoid further problems we recommend you set the units up in test mode before starting the heat pump Firstly in test mode run the pump press blue set button and test button together for 6 seconds The controller will display TEST Immediately press the top left button to turn the pump on and leave it running while in test mode When the pump is running a little house with a circle around it in the status window of the controller The unit wants to see at least 17 min flow to activate the flow switch if there is not enough flow the unit will never operate You should have a flow meter installed if you haven t now is the time to buy one If you look into the flow meter you can see the flow in litres per minute In this picture you can see a flow rate indicated this shows 25l min NOT 35l min If the flow rate is too low you need to fix this before moving on Starting it up in heating mode Turn up your thermostats to send a run signal to the unit the pump will start immediately a little house with a circle round it appears in the status window when the compressor starts after 3 minutes you will see the symbol for the compressor in the status screen
26. r it will take a long time to recover To switch off the heating in summer set the temperature down to 16C to avoid the heating Starting up To control the temperature in your rooms please use the radiator valves Hot water Your system will keep the hot water cylinder hot at all times automatically as you use the water the heat pump will constantly top up the cylinder A cold cylinder should be reheated within an hour An anti legionella operation will be completed at a predetermined time every Tuesday morning The hot water will be hotter on a Tuesday morning than the rest of the week Warranty Important Attached to this document is a warranty page your installer must fill it in and return it to activate the warranty No claim will be processed without this paperwork being returned Your installer will offer you some warranty packages to cover your installation and their own work Freedom www samsungehs co uk G Hendra January 2015 26 Heat Pumps A meee i
27. rsion heater If a fused spur is used it must be labelled as switching it off will cause an error Communication cable Must be run from the outdoor unit to the control box Use 2 core flex 0 5 1mm its 16V ac Sensors The blue cylinder sensor plugs into a socket T4 on the controller PCB and into the control sensor pocket in the cylinder in the top 1 2 of the cylinder Must be above immersion The cylinder sensor needs to go 115mm into the cylinder it must be clipped so it can t pull out The red safety sensor is not needed Using two port valves 2 port valve for Hot water wire brown wire to BY and Blue to B7 the rest are not used 2 port valve for heating zone 1 wire B14 live and B11 Neutral Run signal The run signal for this unit comes from terminal B2 in the mater unit and connects to B22 in the slave unit Pump The circulation pump must be wired Live to B6 and neutral to B5 MAX pump power is 500 Watts If two pumps are used wire them both to these terminals Freedom Heat Pumps www samsungehs co uk G Hendra January 2015 10 SAMSUNG Start up Procedure We commission one unit at a time Filling and flushing 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 to more than 1 bar With the power OFF remove the front of the re
28. ut the controller back on the wall setting up the cylinder immersion heater The immersion heater has its own stat this MUST be set to 70C This is to avoid the immersion heater cutting out before the legionella function is complete Powering Up Makes sure all your room thermostats are off and all underfloor run signals are off first Apply power to indoor control box first then the outdoor unit At the indoor unit In the middle of the control box PCB you will see two tiny leds one red and one orange green flashing If this doesn t happen check there is power on at the outdoor unit Check the comms cable between the outdoor unit and the control box F1 and F2 Freedom www samsungehs co uk G Hendra January 2015 16 Heat Pumps E i SAMSUNG Setting the Clock Press the grey set button for 5 seconds The day will flash adjust this with the silver up and down buttons press grey set The hours will flash adjust this with the silver up and down buttons press grey set The minutes will flash adjust this with the silver up and SIMJT WT ES down buttons press grey set you are back to the normal ay screen TAHE ating MAS Field Settings Field settings are what define how the unit is configured and how it will work each system can have very different field settings Many field settings will need to be made NOTE the set button is the grey one not the blue Field settings are in groups the 20s are for weather
29. will show in the status section of the remote controller The heat pump should be able to achieve 48C cylinder temperature without using the immersion heater While running check the outdoor unit for damage amp debris the coil needs washing we recommend you use an approved EHS heat pump cleaning chemical your distributor will stock this Instructions are given on the bottle You also need to clean and polish the outside casing we recommend car wax to do this Hot water Cylinder Check electrical connections amp sensor are fixed properly and the overheat thermostat is set to 70C Overheat Thermostat Adjustment Press the silver immersion button on the Samsung remote controller this will force the immersion heater on Check immersion heater works properly Measure the current drawn by the heater it should be 12 13 Amps Measure the temperature of the flow using the remote controller Measure the flow rate from the flow meter With the unit running flat out measure the temperature of the air as it enters the coil and the temperature of the air in the garden They should be the same check cold air is not recirculating Freedom www samsungehs co uk G Hendra January 2015 24 Heat Pumps A meee SAMSUNG Explaining the Operation of the Master System to the end user You have now set the unit up to run from an external signal Using a field supplied room thermostat or signal from an under floor heating system
30. wng The domestic hot water cylinder must be manufactured specifically for the heat pump and have a coil with a surface area of 3m 2 equivalent Freedom www samsungehs co uk G Hendra January 2015 5 Heat Pumps E i Bey EN E s Other components you need to supply and fit An expansion vessel pressure gauge pressure relief valve and filling loop Most heating engineers use a robokit with the appropriate size expansion vessel this is sized exactly the same way as when using a boiler Pump Your pump needs to supply 20l min for the 9kW and 30l min for the 16kW unit The static resistance through the unit is 10kPa for the 9kW and 15kPa for the 16kW unit The flow meter has a resistance of around 5kPa The cylinders Gledhill have a static resistance of 5kPa for the heat pump coil and 19kPa for the solar coil The total resistance of the components will be approximately 39kPa for the size 9 unit and if the cylinder is piped using both coils and approximately 44kPa for the size 16 unit Flow switch and flow meter Each unit requires 17L min flow at all times if you don t achieve this E911 error will occur to check this flow switch is installed The flow switch comes with the control box The flow Switch MUST be installed in either horizontally or vertically with at least 150mm of straight pipe either side connection is 1 female BSP The wire is 2m long and needs to connect into the wiring station This w
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