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Daikin Altherma HT Training Course Overview

This comprehensive course covers the Daikin Altherma HT range, from nomenclature to technical specifications, accessories, and models of indoor and outdoor units. Learn about system build-up and product features for efficient performance.

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Daikin Altherma HT Training Course Overview

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  1. System Build-up HT Training Course Daikin Altherma HT + Flex Type (S-HTF01-004)

  2. System Build-up (1) • Daikin Altherma HT range • Nomenclature • Product line-up • Product concept • Product features • Capacity & Power input • COP • Operation range • Main parts • Dimensions • Technical Specifications

  3. System Build-up (2) • Accessories • Optional equipment • Field supply parts • Basic diagrams

  4. Daikin Altherma HT DHW (Domestic hot water) SH (Space Heating)

  5. Solar application with HT Altherma 30% ~ 80% of DHW Is produced by the solar thermal panels Water, NO SOLAR FLUID 300 l / 500 l radiator Altherma High temperature outdoor unit Altherma High temperature cascade unit

  6. HP Convector

  7. Nomenclature: HT Outdoor unit Models today: AA E R S Q 011 A A V1 Power supply code V1: 1~ / 220-240V / 50Hz Y1: 3~ / 380-415V / 50Hz Minor model change Major model change Capacity index kW Refrigerant code Q: R410A Temperature zone indication S: Ambient zone 3 R: Ambient zone 2 R: outdoor model E: European model

  8. Changes HT Outdoor unit

  9. Nomenclature: HT Indoor unit Models today: AA AB ABX AC E K D 011 A A V1 HBR Power supply code V1: 1~ / 220-240V / 50Hz Y1: 3~ / 380-415V / 50Hz Minor model change Major model change Capacity index kW Refrigerant code D: R134a HBR: hydrobox H/O HT K: indoor model E: European model

  10. Daikin Altherma HT IU model change AA -> AB

  11. (*1) EKRUAHTB = unified controller for DAIKIN Altherma HT and DAIKIN Altherma Flex Type

  12. Indoor units and tanks : changes (1) Changes in frame construction  loss of compatibility between “A” and “AB” indoor units and tanks  need for compatibility kits In case of floor mounting of tank (with EKFMHTB)  no need for compatibility kit Compatibility kit included in accessory bag of “AB” tanks Compatibility kit will also be available as separate accessory (EKMKHT1)

  13. Indoor units and tanks : changes (2) Software change for improved external EKBUH*** control See separate presentation EKBUH

  14. Indoor units and tanks : changes (3) Change position of manometer and safety valve Change flare  solder connection for refrigerant piping * R410A refrigerant connections are always at the back / right of the cascade module. No flare connections anymore but solder connections * Water connections are possible to the left or to the right. * Manometer can be removed from this assembly and mounted e.g. to the wall. Manometer can be moved away from the valve assembly but not longer then the capillary tube.

  15. Indoor units and tanks : changes (4) Reduce diameter of water connections from 1 ¼”  1” Impact on ESP : new ESP curve

  16. Accessories : changes (1) Floor mounting kit: EKFMAHT  EKFMAHTB EKFMAHT: only compatible with EKHTS***A EKFMHTB: compatible with EKHTS***A and EKHTS***AB A->B Additional holes in shm beams A->B Straight connection to elbow connection

  17. Accessories : changes (2) Remote user interface: EKRUAHT  EKRUAHTB EKRUAHT: only compatible with DAIKIN Altherma HT EKRUAHTB: compatible with DAIKIN Altherma HT and DAIKIN Altherma Flex Type -Number of programmable scheduled timer actions per day: 4 -New field settings (b-04 & A-00) available

  18. Daikin Altherma HT IU model change AB -> AC The EKHBRD-AC (HT IU) is compatible with the EMRQ (Flex Type OU) These units can be used in Flex commercial applications (e.g. DHW only)

  19. Daikin Altherma HT IU model change AC -> AD (2016) • New pump to meet ErP requirements • Compatibility is not changed, compatible with all units as AC. AD -> AE (jan 2017) • Stricter ErP requirements -> Software change required to have more stable testing conditions. • Software change has no influence on the operation of the unit • Compatibility is OK, same as AD • See next 2 slides for more information.

  20. DAIKIN Atlherma HT: situation in view of upcoming “ErP Tier 2” regulations • Min. space heating efficiency req’s go up on 26/9/2017 • DAF 30% Tax incentive (CITE) rules will be based on Tier 2 + 1~2% (applicable from January/2017 onwards).

  21. Current situation 14 kW 11 kW 16 kW Improvement of ERP performance by software change of indoor unit  minor model change of indoor units. Target ETAs : 112% (Tier 2 + 2%) MP: Jan/17 Start of sales : DAF : Jan/17 Other affiliates : sell out of current units, changeover latest by Sept/2017 No other changes than software and ErP performance.

  22. Nomenclature: Domestic Hot Water tank (1) Models today: AA AB AC EK (U) HTS 200 A A: model change Water volume: 200: 200 L tank 260: 260 L tank DHW tank type: No letter: standard tank U: UK tank HTS: High Temperature Hot water Tank Stainless steel EK: European Kit

  23. Changes EKHTS • EKHTS(U)*AA • For EKHBRD*AA • For EKHBRD*AB -> with EKMHT2 connection kit • EKHTS(U)*AB (change of pipes & frame) • For EKHBRD*AA -> with EKMHT1 connection kit • For EKHBRD*AB • For EKHVM(R/Y)D*AA • EKHTS(U)*AC (change of production factory) • For EKHBRD*AB • For EKHVM(R/Y)D*AA • For LT -> from BB onwards

  24. Nomenclature: Domestic Hot Water tank (2) Models today: A B EK HWP 300 A A: model change Water volume: 300: 300 L tank 500: 500 L tank HWP: Hot water storage tank for HT & Solar EK: European Kit

  25. Nomenclature: Heat Pump Convector Models today: A F X 15 W V A VE B VE: 220-240V/220V – 50-60Hz A: model change 15: 1,5 kW heating capacity 20: 2 kW heating capacity

  26. Product concept Cascade system: 2 refrigerant cycles with 2 inverter compressors Leaving water temperatures possible up to 80°C, ambient temperature down to -20°C Heating capacities: 11, 14 and 16kW (single and three phase) 1 2 3 down to -20°C up to 80°C Outdoor Indoor

  27. Product concept 1 Outdoor unit evaporator: air – R410A energy exchange First plate heat exchanger: R410A – R134a energy transfer (indoor unit) 2 Second plate heat exchanger: R134a – H2O energy exchange, allowing LWT up to 80°C (indoor unit) 3 On thermodynamic efforts only, no electrical heater Symbolic graph R134a 3 Second stage condense temperature 2 Intermediate condense temperature R410A 1

  28. Product concept Typical supply temperature areas of different heat generators Standard Boiler LT-Boiler Condensing Boiler Altherma Split + Monobloc (VL°C) Altherma Altherma HT 20 30 40 50 60 70 80 90 Floor heating TARGET MARKET Fan convectors LT radiators HT radiators

  29. Control Weather dependent floating setpoint: TLWC = f(Ta) 1 Thermostat control: user interface as room thermostat or normal room thermostat 2 Thermostatic valve 3 2 ROOM 1 master room (eg living room) ROOM 2 ROOM 3 Ta T Tl thermostatic valve: temperature control by liquid or gas expansion room thermostat radiator valve 3 6 settings 1 2 3 4 5 Weather dependent floating setpoint TLWC 20°C 1 ON/OFF-valve manual control temperature control 7°C 27°C Ta

  30. Bottom Plate Heater Freeze protection for outdoor unit: bottom plate heater • A bottom plate heater will be standard in areas where low ambient temperatures can occur together with high humidity conditions (zone 2 model ERRQ), in other countries a bottom plate heater is available as an option (zone 3 model ERSQ). • To protect the outdoor unit against severe ice build-up on the air-cooled coil The bottom plate heater has no external thermostat, but is controlled by the PCB of the indoor unit

  31. Product features: Bottom Plate Heater • ERRQ (zone 2) • For areas with low ambient temperature and high humidity • Bottom Plate Heater included to prevent ice build up on the aircooled coil • ERSQ (zone 3) • In case of trouble with ice build up, the optional Bottom Plate Heater kit (EKBPHTH16A) should be installed

  32. Product features: DHW Tank EKHTS Tank performance: heat losses and heat-up time Total capacity = internal volume of the tank (= effective water volume + coil volume Actual capacity = effective water volume inside the tank

  33. Product features: DHW Tank EKHTS Tank performance: maximum volume of usable hot water

  34. Product features: DHW Tank EKHTS Heat-up time & Reheat time

  35. Capacity and Power Input (Nominal values)

  36. Capacity dataPeak

  37. Specifications: Example capacity table (peak values)

  38. Specifications: Example COP (peak values)

  39. Capacity dataIntegrated

  40. Specifications: Capacity table (integrated values)

  41. Specifications: COP (integrated value 14kW)

  42. Capacity Data Conditions

  43. Specifications: COP Peakvalues LT and HT COP values for 16kW model (3 phase) at Ta = 7°C): Daikin Altherma LT Split and Daikin Altherma HT Daikin Altherma LT = excellent heat pump for Low Temperature applications Daikin Altherma HT = excellent heat pump for High Temperature applications

  44. Operation Range Space Heating When Ta < -25°C: Automatic switchover to BUH is possible from AB-models onwards.

  45. Operation Range Domestic Hot Water

  46. Main parts: Outdoor Unit Single Phase Y2S solenoid valve S1NPH high pressure sensor Oil seperator Y1S 4-way valve R6T subcool thermistor R3T suction 1 thermistor Service port S1NPL low pressure switch R5T suction 2 thermistor Accumulator Y3S solenoid valve R1T ambient thermistor Service port liquid S1HP high pressure switch Service port gas R8T liquid pipe 2 thermistor R2T discharge thermistor Y1E (main) electronic expansion valve R4T coil thermistor Y3E (subcool) electronic expansion valve Compressor E1HC crankcase heater R7T liquid pipe 1 thermistor

  47. Main parts: Outdoor Unit Three Phase Y1S 4-way valve R6T subcool thermistor S1NPH high pressure sensor Y2S solenoid valve Service port Oil seperator R5T suction 2 thermistor S1NPL low pressure switch Y3S solenoid valve R1T ambient thermistor Accumulator S1HP high pressure switch Service port gas R2T discharge thermistor R8T liquid pipe 2 thermistor Y1E (main) electronic expansion valve Service port liquid Y3E (subcool) electronic expansion valve Compressor E1HC crankcase heater R7T liquid pipe 1 thermistor

  48. Sound bottom plate Main parts: Indoor Unit Heat exchanger R134a ↔ H2O Air purge Thermal cut out Heat exchanger R410A ↔ R134a Service ports R134a LP switch Manometer 4-way valve Pressure relief valve HP sensor Expansion vessel HP switch Accumulator R134a EEV R410A EEV R134a Pump (DC-inverter to maintain fixed ΔT) Defrost solenoiod valve Compressor R134a Drain

  49. Main parts: Indoor Unit 3 way valve located in hydrobox (only with DHW tank) Option

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