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1. 00004 Comfort and Energy Efficiency WHAT ARE SOME OF BENEFITS THAT DAIKIN ALTHERMA OFFERS e Complete renewable solution for home heating and hot water e Deliver considerable savings in energy e Significant contribution in the fight against CO emissions e Cost effective on installations e Low energy consumption e Safe easy to maintain and comfortable all year round e No extensive ground works e No Flues fuel lines or fuel tanks e Providing all your heating and hot water needs throughout the year e Superior technology ensuring performance is unaffected in a cool climate in fact even as low as 4 F 20 C WHAT ARE THE MAIN DIFFERENCES BETWEEN FORCED AIR vs RADIANT HEAT A room with Radiant In Floor space heating will have a very uniform temperature from the ceiling to the floor Heating a basement floor is an ideal application for a radiant heat system If you ve lived in a house with forced air you know that you can crank the heat up but the basement floors will remain chilled Installing a radiant floor warming system will add comfort and warmth to your lifestyle Gy iD AD ARON Forced Air Radiant Heat WHAT IS THE FACTORY WARRANTY FOR ALTHERMA The North American Warranty is 7 years for the compressor 5 years for parts including Fan Coil Unit DHW tank and Hydrobox components 1 year limited labor Please refer to the official Daikin AC Warranty Terms and Conditions for detaile2. additional heating capacity IS THE HOT WATER FUNCTION ALWAYS INCLUDED Yes but you need a Daikin hot water tank to make it operational The Daikin DHW tank option also includes a 3 way diverting valve IS THE COOLING FUNCTION ALWAYS INCLUDED No the cooling function is an option available only on the reversible versions of the Hydrobox model numbers EKHBX030 and EKHBX054 and EBLQ036 048 amp 054 Monobloc HEAT PUMP INVERTER JUU 00 41 Nyaa 140 1n Mo IS IT POSSIBLE TO COMBINE DAIKIN ALTHERMA WITH SOLAR THERMAL TUBES FOR DOMESTIC HOT WATER HEATING Yes Daikin offers an integrated solar connection kit The Solar Kit model number EKSOLHWAVJU This kit includes the Digital I O PCB model number EKRP1HBAAU CAN CONNECT RADIATORS TO THE DAIKIN ALTHERMA SYSTEM EVEN THOUGH THE TEMPERATURE IS LIMITED AT 131 F 55 C Yes Daikin Altherma can be connected to radiators In many cases old radiators that are sized for 158 F 70 C are heavily oversized and can also be used with a water temperature of 131 F 55 C or lower CAN FAN COIL UNITS AND FLOOR HEATING BE COMBINED IN THE SAME SYSTEM Yes but the leaving water temperature must then be adjusted to match the temperature requirement for the fan coil units The temperature in the floor loops must be reduced to a suitable level by the use of a mixing valve or shunt connection The heat pump capacity and COP will decrease with increasing water tempe
3. 036 054 is displayed in the following figure FDB CDB 115 46 50 10 5 22 2G 41 72 OF Operating Range Cooling Mode Outdoor Temperature Leaving evaporator water temp O Units with optional backup heater only FDB CDB 95 35 15 25 40 Dee eae 59 77 104 131 F Leaving condenser water temperature Operating Range Cooling Mode Outdoor Temperature 0O Booster heating operation FDB CDB 110 43 95 35 32 0 15 4 20 25 40 55 80 C 77 104 131 176 F Operating Range Domestic Water Heating Mode Outdoor Temperature ui Domestic hot water tank temperature WHAT IF MY HYDRONIC CIRCUIT FLOW IS GREATER THAN THE MAXIMUM FLOW THROUGH DAIKIN ALTHERMA A primary secondary piping configuration will have to be used by incorporating closely spaced tees or a hydro separator Maximum flow through the hydrobox is 15 GPM for 054 size and 11 GPM for 030 size DO I NEED TO TREAT THE WATER IN THE HYDRONIC SYSTEM Typically no most municipalities meet stringent water requirements The water used in the Daikin Altherma hydronic system should have a pH of 7 to 8 hardness below 7 grains and chlorine below 100 gpm These requirements also apply if antifreeze is being used Refer to local codes The operating range for 018 030 is displayed in the following figure 0O Pull down area oFDB CDB 110 43 50 10 5 22 50 C 41 72 122 OF Leaving evaporator water temp Operating Range Cool
4. The heat exchanger is designed to optimize heat transfer for both heat pump and solar operation and takes into account Daikin inverter compressor technology allowing higher heat pump capacities at lower outdoor ambient conditions The DHW tank heat exchanger volume is 1 8 gal 6 8 and surface area is 15 6 ft 1 45 m2 WHAT MATERIAL IS USED FOR THE DHW TANK DHW tank is stainless steel 316L The DHW tank uses 1 57 inch 40mm thick polyurethane foam insulation which keeps standby heat losses to a maximum of 0 5 F 0 3 C per hour CAN USE A THIRD PARTY DHW TANK INSTEAD OF THE DAIKIN ALTHERMA DHW TANK Yes a third party tank can be used for increased storage Capacity and where double wall heat exchangers are required Refer to the Engineering Data book for third party DHW tank kit information WHAT ARE THE DHW RECOVERY CHARACTERISTICS On average 55 minutes without booster heater See chart below for details recovery times based on 80 F 44 5 C AT Daikin Altherma DHW Recovery Times minutes Recovery Times Recovery Times minutes Capacity BTUH 50 gal 80 gal 220 L 300 L 018 18 000 024 24 000 83 133 030 30 000 67 107 036 36 000 56 89 048 48 000 42 67 054 54 000 37 59 Recovery times based on 80 F 44 5 CAT Booster heater delay default setting is minimum 20 minutes Maximum is 95 minutes CAN I INTEGRATE DAIKIN ALTHERMA DHW WITH SOLAR COLLECTOR The solar kit integrates the field supplied so
5. Us Expansion Valve Evaporator Condenser Heat Distribution eS Space Heating Domestic Hot Water and Cooling refrigerator but in reverse amp O oe 989 EP HOW DOES A HEAT PUMP WORK 1 Aheat exchanger contains refrigerant which is colder than the outside air As the air passes the exchanger the refrigerant absorbs the latent heat from the outside air and evaporates 2 The vapor passes into the compressor and is compressed increasing its pressure and temperature effectively concentrating the heat 3 Hot vapor is condensed in the second heat exchanger where heat is rejected and the vapor condenses back into a liquid The rejected heat passes into the central heating and hot water system ready for use in the home 4 The liquid refrigerant passes back through an expansion valve ready to start the cycle again WHAT IS THE MAXIMUM WATER TEMPERATURE FROM THE HEAT PUMP 1319F 55 C 00004 A heat pump system works like a What is Daikin Altherma WHAT IS DAIKIN ALTHERMA Daikin Altherma is an innovative system that heats produces domestic hot water and can even cool spaces Daikin Altherma offers your customers maximum comfort the whole year through WHAT IS THE LOWER OPERATION LIMIT TEMPERATURE FOR THE DAIKIN ALTHERMA SYSTEM The guaranteed operation limit is to 4 F 20 C but the heat pump will continue to operate below this point At low ambient temperatures the backup heater generates
6. WHEN A POWER SUPPLY FAILURE OCCURS A power failure exceeding one hour will reset the clock MONTUEWEDTHUFRISATSUN sk 1 nD A or 00 00 922 2 oe aeg 20 0 WHAT HAPPENS TO THE SCHEDULE TIMER IF THE CLOCK IS RESET The schedule timer will continue operation but the clock needs to be reset to reflect the actual time WHICH OPERATIONAL MODE HAS PRIORITY The system works according to the greatest temperature difference between actual water temperature and set point If Daikin Altherma is running in space heating it will immediately switch to domestic hot water if the temperature difference in the tank is larger than the temperature difference for space heating When the system is running in hot water mode the set point must be reached before the system switches back to space heating mode WHAT IS THE DIFFERENCE BETWEEN THE EQUILIBRIUM BALANCE POINT THERMAL BALANCE POINT AND ECONOMICAL BALANCE POINT The thermal balance point is the outside temperature at which the amount of heating provided by Daikin Altherma equals the amount of heat lost from the house at set point At this point Daikin Altherma capacity matches the full heating needs of the house The economic balance point is the outside temperature at which the cost of heat energy supplied by Daikin Altherma equals the cost of heat supplied by a supplementary heating system In most cases the thermal balance point will be reached long before the economic bala
7. boiler D Spare heat pump capacity CAN BOTH HEAT SOURCES OPERATE SIMULTANEOUSLY IN A BI VALENT APPLICATION No only one heating solution boiler or Altherma can operate at a time when using the Bi Valent configuration CAN COOL THE SPACE BY USING UNDER FLOOR COOLING Because cool air drops and the minimum temperature for under floor cooling is 64 F 18 C to eliminate condensate from forming cooling the slab or floor is not an effective or it is efficient but only works in low humidity conditions Overhead radiant cooling can be effective if utilized correctly HOW DOES THE COMPRESSOR OPERATE IN HOT WATER MODE The compressor starts at the highest frequency but controls to maximize heat transfer to water WHAT ARE THE OPERATION HEATING SUPPLY WATER TEMPERATURES FOR ALTHERMA Typical values are Floor heating 86 to 95 F 30 to 35 C Fan Coil Units 86 to 113 F 30 to 45 C Low temperature radiators 104 to 122 F 40 to 50 C WHAT IS AN INVERTER COMPRESSOR An inverter compressor gradually increases or decreases its capacity based on the duty needed to cool down or heat up the water inverter Temperature Comparison INVERTER a okas Fees aN TEMPERATURE WHAT ARE THE BENEFITS OF INVERTER COMPRESSOR Longer run periods at lower capacities Better dehumidification fewer compressor starts mean less wear and tear on the compressor longer life Lower compressor speeds higher system
8. efficiency Higher efficiency Lower electric bills 0000s What is a Hydrobox WHAT IS A HYDROBOX The hydrobox unit is the indoor part of Altherma split system range and consists of two main versions a heating cooling EKHBX version and a heating only EKHBH version Both versions are delivered with an integrated backup heater for additional heating capacity during cold outdoor temperatures The backup heater also serves as a backup in case of malfunctioning of the outdoor unit The backup heater models are available for a heating capacity of 3 and 6 kW The Monobloc has the hydrobox incorporated with the outdoor unit and is only available with a 6kW backup heater Split Outdoor Type Indoor Hydrobox CAN UPGRADE A HEATING ONLY VERSION OF THE HYDROBOX TO A REVERSIBLE HYDROBOX WITH COOLING No The reversible Hydrobox has extra insulation on the pipes because of condensation There is also a software difference between the two models CAN CONNECT A MINI SPLIT OUTDOOR UNIT TOA HYDROBOX No The RA type mini split condensing units are not configured to operate with a Hydrobox The PCBs in these condensing units are configured for DX operation only and do not incorporate the parameters for water heating and cooling WHAT IS A BACKUP HEATER The backup heater provides supplementary space heating capacity in addition to the heat pump in severe weather conditions WHERE IS THE BACKUP HEATER LOCATED The back
9. DAIKIN altherma Frequently Asked Questions A 3 in 1 Renewable Energy Solution For Home Heating Cooling and Domestic Hot Water W DAIKIN AC absolute comfort Why use a Heat Pump WHERE DOES IT ALL START A heat pump only needs a heat source the outside air two heat exchangers one to absorb and another one to release heat and a relatively small amount of drive energy to keep the system going A heat pump extracts thermal energy from the environment In the case of Daikin Altherma the source is the outside air The pump extracts the energy at a certain temperature increases that temperature and then releases it into a medium which in Daikin Altherma system is the water running to your low temperature radiators under floor heating system or fan coil units Between those two media the heat is moved by means of a refrigerant R 410A Daikin Altherma is an air to water heat pump system 70 of heat is generated free from renewable energy mn FE ae AI WHY CHOOSE A HEAT PUMP The latest energy saving and carbon reduction legislation means that there is now more emphasis than ever to reduce our reliance on fossil fuels and adopt more sustainable renewable energy solutions 1 m1 0 i re Ss H pE a 1100 T il ion AN ITINIINI id 3010110 X P E 70 of heat is generated free from renewable energy the air Compressor G 30 gt
10. ILIBRIUM POINT IS The equilibrium point is not a fixed point The backup heater switches ON if the heat pump cannot reach the set point water temperature within a certain time period independently of the ambient temperature as long as the backup heat operation is not disabled by the field setting Derived from system selection Tin a N i h hs n mo G5 nnne P CAN THE TEMPERATURE SENSOR THAT IS USED TO DETERMINE THE WEATHER DEPENDENT SETPONT BE MOUNTED REMOTELY FROM THE OUTDOOR UNIT No The sensor is calibrated to a certain resistance and changing the wire length impacts this calibration WHAT IS A WEATHER DEPENDENT SETPOINT OUTDOOR RESET When the weather dependent set point functionality is enabled the set point for the leaving water temperature will be dependent upon the outside ambient temperature At low outside ambient temperatures the leaving water temperature increases to satisfy the increasing heating requirement of the building At warmer temperatures the leaving water temperature decreases to save energy CAN USE THE WEATHER DEPENDENT SETPOINT IF I INSTALL MY OUTDOOR UNIT IN A GARAGE THAT IS WARMER THAN THE AMBIENT OUTDOOR TEMPERATURE No the floating set point is dependent on the temperature sensor in the outdoor unit If the outdoor unit is installed in a warm place a fixed set point temperature must be used DO I HAVE TO USE A ROOM THERMOSTAT CONNECTED TO THE HYDROBOX Even though Da
11. R The controller has several levels and many settings are set by the installer during commissioning The main user settings are ON OFF Space heating operation Space cooling operation Water heating operation Silent mode operation Programming Buttons Timer Adjust Buttons Water Temperature Adjust Buttons External Control Icon 1 2 3 4 5 6 7 8 gi WHAT IS THE SCHEDULE TIMER The schedule timer allows the user to set the operation of the system according to a daily or weekly program e Switch ON OFF the installation at a scheduled time in combination with a set point temperature for a space heating cooling program e Switch ON OFF the installation at a scheduled time for a water heating program booster heater program or silent mode program CAN I USE SEPARATE ROOM THERMOSTATS AND PROGRAMMABLE TIMERS Yes separate controls can be used to adjust room temperatures and will notify the Daikin Altherma system when the room requires heating cooling Daikin Altherma will then operate to deliver the set leaving water temperature WHAT IS THE EQUILIBRIUM POINT It is the point at which the heat pump performance most closely matches the heating demand and no additional heat source is required This is also known as the thermal balance point WHAT IS THE AUTO RESTART FUNCTION The Auto Restart function reapplies the user interface settings when the power returns after a supply failure WHAT HAPPENS TO THE CLOCK
12. U nr 2 CAN ALTHERMA PRODUCE HOT WATER IN SUMMER Yes Daikin Altherma can run in hot water mode up to an ambient temperature of 95 F 35 C The heating and cooling version alternate between hot water mode and cooling mode At outside temperatures exceeding 95 F 35 C hot water can still be produced using the booster heater or through Solar if integrated to a solar thermal solution WHAT IS THE MINIMUM WATER CONTENT OF THE SYSTEM 2 6 gallons 10 liters for sizes 018 030 5 3 gallons 20 liters for sizes 036 054 are minimum water volume for the systems This volume excludes the volume of the heat emitters selected WHY IS THERE A MINIMUM WATER VOLUME IN THE HYDRONIC SYSTEM The minimum water volume is to ensure complete defrost cycles and to eliminate short cycling of the outdoor unit This allows the system to operate efficiently and reliable Do not include the water volume from the hydrobox in the system minimum water volume IS THERE A NEED FOR AN ADDITIONAL BUFFER TANK TO ENSURE THAT THE WATER TEMPERATURE DOES NOT DROP DURING DEFROST It is not necessarily required but the backup heater will provide the necessary heating capacity if the water temperature drops below 59 F 15 C In specific applications where a buffer tank is requestec it can be implemented in the hydronic system 0000s Daikin Altherma Considerations WHAT IS THE DAIKIN ALTHERMA SYSTEM OPERATING RANGE The operating range for
13. ZING THE HYDRONIC PIPING Select piping diameter in relation to required water flow and available ESP of the pump See following example gallons min 018 030 Water flow rate for Hydrobox Min 030 3 2 gpm Max 030 11 1 gom feet of head psi x 2 31 036 054 Min 054 4 2 gom Max 054 15 3 gom a au nua mina lt ARE THERE ADDITIONAL INSTALLATION REQUIREMENTS It is sometimes necessary to install an oil trap per the following information INSTALLATION REQUIREMENTS Since there is a possibility of oil held inside the riser piping flowing back into the compressor when stopped and causing liquid compression phenomenon Installed trap required at each Trap installation spacing A Outdoor unit B Indoor unit C Gas piping D Liquid piping E Oil trap Oil trap is not necessary when the outdoor unit is installed in a higher position than the indoor unit CAUTION TRAP REQUIRED FOR ERLQO36 048 054 MODELS ONLY All refrigerant piping must be insulated along its full run using a minimum of 1 2 wall thickness insulation e g Armaflex It is recommended to use a minimum 3 4 wall thickness insulation when running refrigerant piping through unconditioned spaces attics garages crawl spaces and outdoors Refer to local codes Note that 1 Refrigerant gas and liquid piping should not be i
14. d information iin nV WAH b Ia i hh l Yh T WHAT TYPE OF SAVING ON MY OPERATIN COST WITH DAIKIN ALTHERMA vs TRADITIONAL HEATING SYSTEM Altherma system works more efficiently and saves more energy than a traditional heating system that using fossil fuel Daikin Altherma generates at least 3 to 5 kW of additional heat per 1kW of electricity used and 66 to 80 additional heat 100 W Daikin Altherma Air Water heat pump E Gas boiler Fuel Oil boiler 82 68 OPERATING COSTS Conditions Required annual heating energy 20 000 kWh Source Energy prices based on EUROSTAT statistics first semester 2007 WHERE CAN I GET MORE INFORMATION ABOUT DAIKIN ALTHERMA Simply contract us by phone email or our Daikin AC Web www daikinac com Product amp Applications Support 972 245 1510 altherma daikinac com For Error code troubleshooting Web www drdaikin com SMS Send the word Error and the code to the following number 32075 as you would send to any regular phone numbers For example Error A3 Please note there must be a space between the words Error and A3 Press send Within 30 seconds you will receive a reply back After Sales Support Installation Commissioning amp Service Support Service Hotline 866 4 DAIKIN Option 3 866 432 4546 techsupport daikinac com Parts Identification Support Phone 972 512 1988 spareparts daikinac com Training Sched
15. g and the booster heater ON temperature is reached or if the outdoor unit breaks down and the backup heater has to cover the entire space heating load The simultaneous operation of the backup heater and booster can be prevented by a field setting This needs to be changed when field setting 4 01 0 default or factory setting both heaters can operate simultaneously IS THERE ANY WIRING BETWEEN THE HYDROBOX AND DOMESTIC TANK Yes Refer to the Installation Manual ARE THERE SEPARATE POWER SUPPLIES FOR THE ELECTRIC HEATERS AND THE OUTDOOR UNIT Yes Refer to the Installation Manual IS IT POSSIBLE TO REMOTE MOUNT THE HYDROBOX INTERFACE CONTROLLER In the installation instructions we state 1640 feet 500 m With a Monobloc it is recommended to remote locate the interface controller IS IT POSSIBLE TO INSTALL THE HYDROBOX OUTSIDE No The hydrobox installation location must be frost free Temperatures should range between 33 F 1 C to 95 F 35 C The hydrobox is not agency certified for outdoor installation WHAT MATERIAL IS USED FOR THE BRAZED PLATE HEAT EXCHANGER LOCATED IN THE HYDROBOX The braze plate heat exchanger is made of cupro nickel material for efficient heat transfer and corrosion resistance CAN I FLOOR MOUNT THE HYDROBOX No the water refrigerant and electrical connections are all at the bottom of the hydrobox A minimum of 45 27 inches 1150mm from the floor to the bottom of the hydro box is required f
16. ikin Altherma operates without an external thermostat Daikin highly recommends this feature to be included This will prevent excessive space heating and save energy since the system will stop operating when the room temperature has the thermostat set point DO HAVE TO USE A DAIKIN THERMOSTAT It is also recommended to use a Daikin thermostat The control logic of the Daikin thermostat matches Daikin Altherma for enhanced reliability If a third party thermostat is used it must be capable of setting the heating minimum run time of six 6 minutes Thermostats with minimal heating run times are not readily available and may be difficult to source 00004 Domestic Hot Water WHY DOESN T THE BOOSTER HEATER SWITCH ON IMMEDIATELY WHEN THERE IS A REQUEST FOR HOT WATER It is desirable to let the heat pump cover as much of the hot water production load as possible with high COP The booster heater delay ensures that the booster heater is not used more than necessary WILL STILL HAVE SUFFICIENT CAPACITY OF HOT WATER EVEN IF THE HEAT PUMP OR BOOSTER HEATER DOES NOT SWITCH TO HOT WATER MODE IMMEDIATELY Yes Daikin Altherma is not based on instant water heating like a gas boiler The tank has a storage volume of 50 or 80 gallons 200 or 300 liters of hot water that covers the load while the system switches to hot water mode WHY IS THE DHW TANK HEAT EXCHANGER VOLUME AND SURFACE AREA SMALLER THAN TYPICAL INDIRECT WATER HEATERS
17. in Altherma are trademarks of Daikin Industries Limited WOLOOLOLOLOOLIVLOLOOOOLOOLOL LOL eee 1001 DOLOOCOLOLOOLOLOOLDDLOLOOOOLOLMOLOOLOLOLOQOO ILL LOLOOVOVOLOOLILIOLIOOOLOOLOLLOLOOLO VLOLOLOVOUODLIOLOODOLODOOLOUOOLOLOOLOOLOLODOOUOLLOLOOLOLOLOOOOUILILOLOOL0L01 W DAIKIN AC absolute comfort Daikin AC Americas Inc 1645 Wallace Drive Suite 110 Carrollton TX 75006 USA www daikinac com altherma 866 4DAIKIN 972 245 1510 DACA FAQ05 11B Daikin s products are subject to continuous improvements Daikin reserves the right to modify product design specifications and information in this brochure without notice and without incurring any obligations
18. ing Mode Outdoor Temperature CT Units with optional backup heater only 15 25 30 50 C 59 77 86 122 F Leaving condenser water temp Operating Range Cooling Mode Outdoor Temperature uw Booster heating operation Units with optional backup heater only FDB CDB 110 43 77 25 41 5 25 45 50 55 80 C 77 113 122 131 176 F Operating Range Domestic Water Heating Mode Outdoor Temperature uw T Domestic hot water tank temp WHAT SIZE FUSES DO I NEED FOR THE OUTDOOR UNIT POWER SUPPLY For ERLQ split type sizes 018 030 use 20 Amp breaker and sizes 036 054 use 30 Amp breaker For EBLQ amp EDLQ Monobloc type sizes 036 054 use 30 Amp breaker Refer to the Installation Manual for instructions and conform to local code WHEN DO I NEED TO INCLUDE BUFFER TANK INTO MY DESIGN With 5 3 Gallon Minimum System Volume and no Zone Activated Buffer Tank May be required and it is recommended to Pipe in Series to Flow through Tank 00004 Daikin Altherma Considerations CAN I INTEGRATE A DAIKIN ALTHERMA SYSTEM TO AN EXISTING HEATING HOT WATER SOLUTION Yes the Bi Valent application is ideal for refurbishment upgrade installations See details in the following diagram Radiateors floor heating Boiler is onky used below the equilibrium point Heat pump boiler Coldest day of the year J Equilibrium point Heat pump capacity Heating requirement E Covered by heat pump D Covered by
19. lar thermal panels with the pump station and domestic hot water tank The solar kit provides the transfer of solar heat to the Daikin Altherma hot water tank via an external heat exchanger In contrast to tanks with two heat exchangers this system allows the entire content of the tank to be efficiently heated with solar heat and if necessary with heat pump energy EKHWS Hot water tank EKSOLH solar kit 00004 Installation Considerations ARE THERE ANY REFRIGERANT PIPING LIMITATIONS Yes see following list Maximum allowable refrigerant piping length 98 4 ft 246 ft between outdoor unit and indoor unit 30 m 75m Minimum required refrigerant piping length 9 8 ft a 9 8 ft a between outdoor unit and indoor unit 3 m 3 m Maximum allowable height difference 65 6 ft 98 4 ft between outdoor unit and indoor unit 20 m 30 m Maximum allowable distance between the 3 10 ft 10 ft way valve and the indoor unit only for 3 m 3 m installations with domestic hot water tank Maximum allowable distance between the 32 8 ft 32 8 ft domestic hot water tank and the indoor unit 10 m 10 m only for installations with domestic hot water tanks The thermistor cable supplied with the domestic hot water thank is 39 4 ft 12 m in length a When lt 16 4 ft lt 5 m recharging of the outdoor unit is required Refer to the installation manual of the outdoor unit WHAT CONSIDERATIONS DO I NEED TO TAKE WHEN SI
20. nce point on a properly working Daikin Altherma system 00004 What functions are on the user interface WHAT IS THE WEATHER DEPENDENT SETPOINT AND WHEN SHOULD IT BE USED The weather dependent set point or sometimes called outdoor reset is when Daikin Altherma senses outside temperature and readjusts the heating system water to a minimum water temperature to satisfy the heat loss of the home This accomplishes two major things one it will save energy and second it creates more comfort by eliminating short cycling of Daikin Altherma at mild outdoor temperatures During weather dependent operation the user has the option to shift up or down the target water temperature by a maximum of 9 F 5 C Lo Ti T 09 F 05 C Hii bee 2 2 00 Shift value a 09 F 05 C WHAT ARE THE BENEFITS OF A WEATHER DEPENDENT SETPOINT The floating set point ensures that the heat emitter temperature is never higher than necessary and this leads to the highest possible comfort level A heat pump requires more energy input the higher the water temperature meaning that the floating set point also ensures the lowest possible energy consumption WHAT HAPPENS TO THE WEATHER DEPENDENT SETPOINT IF THE SUN SHINES OF THE TEMPERATURE SENSOR The set point might deviate and give a lower water temperature than is actually needed It is recommended to install some type of sun protection above the outdoor unit HOW DO I KNOW WHERE THE EQU
21. nstallation as easy 4 J nm 2 7 s iray yer on aleleleme 4 hh l T i he r Y ARE THERE CONSIDERATIONS WHEN INSTALLING THE ALTHERM SYSTEM AT HIGH ALTITUDE LOCATION 1 Determine the altitude at the location the Daikin Altherma system is being considered for 2 Verify the altitude correction factor from the table see following Altitude table 3 If an altitude falls within specified values use the correction graph to determine the applicable capacity correction factor 4 Since the Daikin Altherma selection and simulator software does not correct for altitude add the altitude correction factor to the load requirements before the initial selection is made 5 Conduct the equipment selection based on these conditions as per normal procedures Capacity Correction Factor due to lower air density 0 0 0 0807 1 293 100 1 000 305 0 7785 1 247 98 2 000 610 0 0750 1 202 96 5 000 1 524 0 0672 1 076 90 7 500 2 286 0 0611 0 979 85 10 000 3 048 0 0555 0 889 81 Altitude Correction Factor na z 3 R t s S zox Moa D i 5 oa 68 RR WHEN IS THE EKRP1HBAAU DIGITAL I O PCB KIT REQUIRED Primarily this kit is required for solar thermal applications to set solar priority included with solar kit and for Bi Valent applications It can also be used with the hydrobox and outdoor unit for remote alarm and operation status reporting via voltage free dry contacts
22. nsulated together 2 All joint areas must also be fully insulated WHAT IS A DIFFERENTIAL BYPASS VALVE It is a valve which opens and closes automatically in response to motorized zone valves opening and closing to dissipate the head pressure produced by a heating circulating pump WHY SHOULD USE A DIFFERENTIAL BYPASS VALVE If a heating system is fitted with motorized zone valves MZVs on say 5 out of 7 under floor heating a situation could arise where the MZVs close and all the water being circulated by the pump would be forced around the remaining two zones This could result in increased water velocity and a resultant increase in system noise The pump is under more strain and has a shorter life oooi Weeae Installation Considerations IS ANTIFREEZE NECESSARY FOR MONOBLOC DAIKIN ALTHERMA Antifreeze can be used in Daikin Altherma Monobloc applications where the site is not occupied or monitored can be exposed to temperatures below freezing 32 F 0 C for long periods of time or could experience a high occurrence of power outages Only propylene glycol formulated for hydronic heating can be used must include biocide Always remember that adding antifreeze will reduce the output capacity of Daikin Altherma and may require larger expansion tank and circulators To keep antifreeze mixtures at a minimum Daikin recommends antifreeze and corrosion inhibitor mixtures for burst protection Refer to installation in
23. or access to these connections This height requirement makes it difficult to store items on the top of the hydrobox which could block the ventilation holes The hydrobox is designed for wall mounted installation only CEC a me i 11140100 NVA Anon ee e a B i r WWE ik i HLL WHAT TYPE OF EXPANSION TANK IS SUPPLIED IN THE HYDROBOX A bladder type of 2 6 gal 10 I volume is provided in the hydrobox and comes pre charged at 14 5 psi 1 bar with dry nitrogen Nitrogen has bigger molecules than air and is less likely to penetrate through the internal bladder in the expansion HOW MANY VERSIONS ARE AVAILABLE FOR THE HYDROBOX Available in two versions EKHBH for heating only EKHBX for heating and cooling 1 Air purge valve 16 Flow Switch 2 Back up Heater 17 Pump Multi Speed 3 Temperature Sensors 18 Back Up Heater 4 Electrical Box Thermal protector 5 Braze Plate Heat Exchanger 19 Back Up Heater 6 Expansion Vessel 2 6G 101 Thermal Fuse 7 User Interface 20 Pressure Relief Valve 8 Refrigerant Liquid Pipe 21 Pressure Relief Valve Connection Hose 9 Refrigerant Gas Pipe Connection 10 Shut Off Valves 11 Water Inlet Connection 12 Water Outlet Connection 13 Drain and Fill Valves 14 Water Filter 15 Manometer 0000s What functions are on the user interface WHAT ARE THE MAIN OPERATION FUNCTIONS ON THE CONTROLLE
24. ratures Refer to Installation Instructions field setting 7 for dual set point control status Daikin only offers a dual set point control function With this function two set points can be generated Depending on the required water temperature floor heating loops and or fan coil units are required first set point or second set point can be activated Daikin Altherma Considerations WHAT ARE THE DIFFERENT WAYS DAIKIN ALTHERMA CAN BE CONFIGURED There are 3 different possible configurations for Altherma system 1 Mono Valent Mild Climate this configuration would generally be used in mild climates where winter temp would not fall under 4 F on a consistent basis Radiators floor heating Mono valent heat pump only Heat pump capacity MM Covered by heat pump fi Spare heat pump capacity Heating requirement 2 Mono Energetic Cold Climate a back up electric heater is used to supplement the heat pump operation on the coldest days of the year Back up heater i Radiators floor heating Heat pump capacity E Covered by heat pump BB Covered by back up heater Spare heat pump capacity 3 Bi Valent Ultra Cold Climate it s configured so an external boiler can be used for the coldest months Must use accessory EKRP1HBAAU I O PCB kit Heal pump Capacity E Covered by heat pump Covered by auxiliary boiler E Spare heat pump capacity Heating regu rement LUO All 11 Ill Mh W U
25. structions for propylene glycol mixtures and capacities corrections Refer to local codes when using antifreeze CAN USE ANTIFREEZE IN SPLIT TYPE DAIKIN ALTHERMA It is not recommended to use antifreeze Daikin Altherma has a freeze protection mode programmed in the hydrobox controller It is not recommended to use antifreeze The split type Daikin Altherma should be installed in the conditioned space WHEN IS THE CONDENSATE KIT REQUIRED AND WHAT IS ITS FUNCTION The condensate kit EKHBDP for the hydrobox is required for cooling applications The function of the condensate kit is to insulate the water piping in the hydrobox to eliminate any water from dripping on and possibly damaging components in the hydrobox It is in kit form to facilitate ease of hydrobox installation The condensate kit is installed after all required water and refrigerant piping connection have been made to the hydrobox WHAT TYPES OF CONNECTIONS DO I NEED TO INSTALL THE ALTHERMA SYSTEM All Daikin Altherma systems are equipped with BSP British Standard Pipe Thread connections at the various hydronic components The BSP connector is similar to but not interchangeable with the more common NPT connector The thread pitch is different in most cases and the thread angle is 55 instead of the 60 angle found on NPT threads Daikin Adaptor Kit BSP to NPT have been prepared to address challenges in the field with sourcing the necessary fittings to make your i
26. ule amp Registration Support 972 512 1954 training daikinac com So WARNINGS Always use a licensed installer or contractor to install this product Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a licensed contractor to install those parts and accessories Use of unauthorized parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage electrical shock fire or explosion Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings For any inquiries contact your local Daikin sales office 1SO14001 assures an effective environmental management system in order to help protect human health and the environment from the potential impact of our activities products and services and to assist in maintaining and improving the quality of the environment Daikin Europe N V is approved by LRQA for its Quality Management System in accordance with the ISO9001 standard ISO9001 pertains to quality assurance regarding design development and manufacturing as well as to services related to the product _ MOST SUSTAINABLE CORPORATIONS 2011 Daikin Industries Limited Daikin Daikin AC Absolute Comfort its design and Daik
27. up heater is inside the hydrobox All the circulating water passes through the heat exchanger and then through the backup heater cylinder WILL THE BACKUP HEATER ALWAYS BE SWITCHED ON No the backup heater will only switch ON if the heat pump cannot reach the leaving water set point temperature within a certain time period When the set point is reached the backup heater switches OFF again CAN DAIKIN ALTHERMA BE DELIVERED WITHOUT A BACKUP HEATER No The backup heater must be installed to ensure that the water temperature never drops below 59 F 15 C during startup of the system or during defrost It can be disengaged for normal operation if needed IS IT POSSIBLE TO UPGRADE A LOW CAPACITY BACKUP HEATER TO A LARGER CAPACITY No A larger capacity backup heater is not available but 3kW and 6kW 2 stage backup heaters are available WHY IS THE WATER TEMPERATURE LIMITED TO 131 F 55 C EVEN THOUGH I AM USING AN ELECTRIC BACKUP HEATER The return water temperature to the heat pump is limited to 131 F 55 C A return water temperature above this will activate safety devices and the compressor frequency will decrease WHAT IS THE MAXIMUM WATER TEMPERATURE OUT OF THE BACKUP HEATER 131 F 55 C 00004 What is a Hydrobox WILL THE BACKUP HEATER AND BOOSTER HEATER WORK SIMULTANEOUSLY The backup heater is never operational in heat pump hot water mode Both heaters can be operational if the backup heater is runnin
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