Daikin EBLQ036BA6VJU1, Installation Manual

Page 1: ...ation manual Unit for air to water heat pump system English EDLQ048BA6VJU1 EDLQ054BA6VJU1 Manuel d installation Unité pour système de pompe à chaleur air à eau Français EBLQ036BA6VJU1 EBLQ048BA6VJU1 EBLQ054BA6VJU1 Manual de instalación Unidad para bomba de calor de aire agua Español ...

Page 2: ...L1 H 0 L2 1 2H 1 2H L2 H 0 L1 1 2H 1 2H L1 H 1 A L2 D1 L2 L1 L2 H 0 L2 1 2H 1 2H L2 H 2 1A inch 1B H L2 L2 H B2 D2 L1 L2 C A L2 D1 L1 H B1 L2 L1 L1 H L1 L2 H L1 L2 H L2 L1 L1 H 0 L1 1 2H 0 L1 1 2H 0 L2 1 2H 1 2H L2 H 1 H L2 L2 H B2 L1 L2 C D2 L1 H B1 L2 L1 L1 H L1 L2 H L1 L1 H 0 L2 1 2H 1 2H L2 H 0 L1 1 2H 1 2H L1 H 1 A L2 D1 L2 L1 L2 H 0 L2 1 2H 1 2H L2 H 2 1B mm H L2 L2 H ...

Page 3: ...CE AND INFORMATION Application 6 11 THE UNIT DESCRIBED IN THIS MANUAL IS DESIGNED Overview of the unit 11 FOR OUTDOOR INSTALLATION Opening the unit 11 Main components 12 Water pipework 13 The English text is the original instruction Other languages are translations of the original instructions Charging water 16 Piping insulation 16 Field wiring 17 Installation of the digital controller 22 INTRODUC...

Page 4: ...nit The only in case the benefit kWh rate power supply is of the type that power supply is not interrupted Refer to Connection to a benefit kWh rate power supply on page 21 for more details domestic hot water tank is available in two sizes 50 and 80 gallons 200 and 300 litre Scope of this manual Room thermostat option An optional room thermostat EKRTWA can be connected to the unit This installation ...

Page 5: ...y suffer burns if you touch the internal parts To sure to wear proper gloves avoid injury give the internal parts time to return to normal Do not touch any switch with wet fingers Touching a switch with temperature or if you must touch them be sure to wear proper wet fingers can cause electrical shock gloves Before touching electrical parts turn off all applicable power supply Caution For use of uni...

Page 6: ...uch as possible Handling Do not install the unit in places often used as workplace Due to relatively large dimensions and high weight the handling of the unit is only to be done by means of lifting tools with slings These slings can be fitted into specially for this In case of construction works e g grinding works where a lot of dust is created the unit must be covered Do not place any objects or e...

Page 7: ...y within 6 inch 150 mm of the underside of the unit in order to avoid the drainwater dripping See figure NOTE If drain holes of the unit are covered by a mounting base or by floor surface raise the unit in order to provide a free space of more than 4 inch Selecting a location in cold climates 100 mm under the unit Refer to Handling on page 4 When operating the unit in a low outdoor ambient Installat...

Page 8: ...obstacle In these cases only 2 units can be installed Top side obstacle This situation is not allowed NOTE Minimum distance B1 in figure 1A and figure 1B L mentions the space required for correct operation of the unit Required space for servicing though is 12 inch 300 mm 120 inch 3000 mm B In case of stacked installation 24 inch 600 mm 60 inch 1500 mm In case obstacles exist in front of the outlet s...

Page 9: ...rget leaving water temperature as set on By pass valve field supply M1 3 Individual motorised valve to control loop the user interface Booster heater FHL1 field supply When the room temperature is above the thermostat set point the User interface unit will stop operating Pump operation Make sure to connect the thermostat wires to the correct With no thermostat connected to the unit 1 the pump 3 can ...

Page 10: ...t terminal numbers as detailed on the Details on domestic hot water tank configuration for wiring diagram low outdoor temperatures can be found under Field settings on page 25 field settings 5 02 to 5 04 The ON OFF setting of the heating cooling operation is done by the room thermostat and cannot be done by the user interface Application 3 Domestic water heating Domestic water heating is as describe...

Page 11: ...s as detailed on the wiring diagram Daikin can not be put responsible for incorrect or unsafe situations in the boiler system The ON OFF setting of the heating cooling operation is done by the user interface Application 5 1 2 3 4 6 18 17 5 Space heating with an auxiliary boiler alternating operation Space heating application by either the Daikin unit or by an auxiliary boiler connected in the syst...

Page 12: ...ircuit An expansion vessel is already Auxiliary relay for activation of bolier unit field supply premounted in the Daikin unit Permission signal for the auxiliary boiler NOTE Make sure to configure the DIP switch SS2 3 on the Operation Configuration A PCB of the E D B switchbox correctly Refer to Room thermostat installation configuration on page 23 When the room thermostat requests heating either the...

Page 13: ... fed with water at a temperature equal to the first FCU2 set point 1 2 3 4 FCU3 This can lead to unwanted heating of zone B A 5 When only zone B request heating the mixing station will be fed with water at a temperature equal to the second set point Depending on the control of the mixing station the floor heating loop can still receive water at a temperature equal to set point of the mixing station ...

Page 14: ...ing element that will provide additional heating capacity to the water circuit if the heating capacity of the unit is insufficient due to low outdoor temperatures it also protects the external water piping from freezing during cold periods 8 9 10 11 12 3 Temperature sensors Expansion vessel Heat exchanger 4 Four temperature sensors determine the water and refrigerant temperature at various points i...

Page 15: ...ls the functioning of the unit Requirement Maximum allowable distance between the domestic hot Booster heater contactor K3M only for installations with water tank and the unit only for installations with domestic domestic hot water tank Booster heater circuit breaker F2B only for installations with hot water tank The thermistor cable supplied with the domestic hot water tank is 40 ft 12 m in lengt...

Page 16: ...sel pre pressure Using the table below determine if the expansion vessel pre The unit is equipped with an expansion vessel of 2 6 gallons 10 litre pressure requires adjustment which has a default pre pressure of 14 5 psi 1 bar Using the table and instructions below determine if the total To assure proper operation of the unit the pre pressure of the expansion vessel might need to be adjusted and t...

Page 17: ...domestic hot 100 l water and floor heating water circuit In this example no action or adjustment is required When using a 3 way valve or a 2 way valve in the water circuit Example 2 The recommended maximum changeover time of The unit is installed at the highest point in the water circuit The total the valve should be less than 60 seconds water volume in the water circuit is 92 5 gallons 350 l Resul...

Page 18: ...n using glycol be sure to connect the safety valve to a drain pan in order to Piping insulation recover the glycol The complete water circuit inclusive all piping must be insulated to Corrosion of the system due to presence of glycol prevent condensation during cooling operation and reduction of the heating and cooling capacity as well as prevention of freezing of the Uninhibited glycol will turn ...

Page 19: ...on Power supply cable for unit DC AC conductors 2 GND current a Secure the electrical wiring with cable ties as shown in figure 2 so that it does not come in contact with the piping particularly on the high pressure side Power supply cable for backup heater Room thermostat cable AC AC 2 GND 3 or 4 b 100 mA c Make sure no external pressure is applied to the terminal connectors User interface cable 3...

Page 20: ...mestic hot water H1P H7P Orange LED service monitor A2P PHC1 Optocoupler input circuit H2P prepare test flickering H2P malfunction detection light up HAP A1P Green LED service monitor K1R Magnetic relay Y1S K4R Magnetic relay E1HC K10R K11R Magnetic relay L1R Reactor M1C Motor compressor M1F Motor upper fan M2F Motor lower fan PS Switching power supply Q1DI Field ground fault interrupter 300 mA R1 ...

Page 21: ...power supply terminal board In case it cannot be used due to Power circuit and cable requirements unavoidable reasons be sure to observe the following instruction Be sure to use a dedicated power circuit for the backup heater Never use a power circuit shared by another appliance Round pressure terminal Cut out section Cup washer Use one and same dedicated power supply for the unit backup heater an...

Page 22: ...nts 1 2 3 4 1 E12H ON 2 3E12H 4OFF X5M BLK BRN Power supply 24 V AC Maximum running current 100 mA Wiring the 2 way valve Using the appropriate cable connect the valve control cable to Power input selection to transformer TR2 the X2M terminal as shown on the wiring diagram This selection is needed to ensure a stable 24 V AC output Wiring is different for a NC normal closed valve Procedure and a NO...

Page 23: ... is possible PCB controller pump 0 Allowed for a benefit kWh rate power supply like illustrated Not allowed unless glycol is added to the water system below as types 2 or 3 Unless glycol is added to the water system benefit kWh rate power supplies that completely shut power supply are not allowed for this application because of the water freeze prevention that would not be powered Refer to Caution U...

Page 24: ...uipped with a digital controller offering a user friendly way to set up use and maintain the unit Before operating the Connect the terminals on top of the front part of the digital controller follow this installation procedure controller and the terminals inside the unit P1 to 16 P2 to 16a Wiring specifications NOTE When wiring run the wiring away from the power supply wiring in order to avoid Wire...

Page 25: ...perature This setting a decides the operation mode when Heating cooling priority Priority to highest demand side b Pump operation configuration there is a simultaneous demand for more space heating cooling and domestic water heating To set the pump speed refer to Setting the pump a only applicable in case DIP switch 2 ON speed on page 25 b Heating cooling or domestic water heating mode can be restr...

Page 26: ...t breaker F2B in the switch box applies only to units with optional domestic hot water tank installed When no domestic hot water tank is 1 2 3 4 5 Ground wiring installed toggle switch SS2 2 should be set to Make sure that the ground wires have been connected properly OFF default and that the ground terminals are tightened When a domestic hot water tank is installed 1 2 3 4 Internal wiring Visuall...

Page 27: ... or more field settings proceed as follows Temperature values displayed on the digital controller user interface are in C Temperature values in C are between brackets Conversion from C to F is for information only 83 12 76 11 69 10 62 9 55 8 3 1 48 7 2 41 6 34 5 28 4 21 3 14 2 7 1 00 4 16 6 23 8 30 10 38 12 45 14 53 16 61 18 gallons min 68 l min 1 Press the z button for a minimum of 5 seconds to en...

Page 28: ...h outdoor temperature simultaneously pressing buttons s and ba and keeping all 4 1 02 Set point at low ambient temperature Lo_Ti the buttons pressed for at least 5 seconds in normal mode Note that no target outgoing water temperature when the outdoor indication on the user interface is given When level 2 3 is selected temperature equals or drops below the low ambient the actual permission level ei...

Page 29: ...stic water heating performance of the system might be decreased at low outdoor temperatures since in case of space heating demand the booster heater will not be 00 00 01 00 22 00 23 00 24 00 available for domestic water heating However domestic water heating by heat pump will still 2 02 be available Domestic hot water temperature User set point temperature as set on the user interface When the pri...

Page 30: ... 6 00 and 6 01 in 6 on page 29 Space heating priority temperature Applies only to installations with a domestic hot water tank The space heating priority temperature field settings apply to operation of the 3 way valve and the booster heater in the domestic hot water tank When the space heating priority function is enabled it is assured that the full capacity of the heat pump is used for space heat...

Page 31: ... interface TU THP MAX Ambient outdoor temperature Space heating priority T C T F 70 158 TU 158 F 70 C 6 01 3 6 F 2 C 6 00 12 6 F 7 C WARNING Be aware that the domestic hot water temperature will be automatically increased with the value selected in field setting 5 04 if the outdoor temperature drops below field setting 5 03 compare to the user set point for domestic hot water TU Refer to field settin...

Page 32: ...7 00 has only meaning for powerful domestic water heating 7 00 Domestic hot water step length temperature difference above the domestic hot water set point temperature before 7 01 Hysteresis value booster heater temperature the booster heater is turned off difference determining the booster heater ON temperature TDHW F TBH ON TBH ON TBH OFF 7 01 TBH OFF 163 4 TBH ON 159 8 7 00 7 01 The minimum val...

Page 33: ...ual second set point heating is equal to 7 03 The selection of second set point or first set point Note that when the unit is configured to work with a room thermostat refer to Room thermostat installation configuration on page 23 the maximum running timer will only be taken into account when there is a request for space cooling or space heating When there is no request for room cooling or room heati...

Page 34: ... important to Hot water request for heat pump 1 request 0 no request Time limit the minimum leaving water temperature at cooling operation field setting of parameter 9 03 to 60 8 64 4 F 16 18 C to prevent condensation on By adapting the booster heater delay time versus the the floor maximum running time an optional balance can be 9 00 Heating set point upper limit maximum leaving water found between...

Page 35: ...t is disactivated See figure for the schematic location of this contact alarm occurs This field setting allows for distinction between detection of an alarm and detection of a power failure to the unit No power supply OFF ON C 01 Alarm No alarm to unit Closed output Open output Open output SS1 default Open output Closed output Open output Bivalent operation X1M Applies only to installations with an ...

Page 36: ...is installed F 02 Bottom plate heater ON temperature defines the outdoor temperature below which the bottom plate heater will be activated by unit in order to prevent ice build up in the bottom plate of the outdoor unit at lower outdoor local shift value temperatures 1 03 range F 03 Bottom plate heater hysteresis defines the temperature difference between bottom plate heater ON temperature and the b...

Page 37: ... 14 35 1 C 03 Booster heater operation 3 0 1 2 3 04 Freeze up protection function 0 active Read only Equilibrium temperature and space heating priority temperature 00 Equilibrium temperature status 1 ON 0 1 01 Equilibrium temperature 32 5 95 1 8 F 0 15 35 1 C 02 Space heating priority status 0 OFF 0 1 03 Space heating priority temperature 32 5 68 1 8 F 0 15 20 1 C 04 Set point correction for domes...

Page 38: ... 01 Alarm output logic 0 0 1 02 Bivalent operation status 0 0 1 03 Bivalent ON temperature 32 13 77 1 8 F 0 25 25 1 C 04 Bivalent hysteresis 5 4 3 6 18 1 8 F 3 2 10 1 C Benefit kWh rate power supply local shift value weather dependent 00 Switching off heaters 0 0 1 2 3 01 Unit connection to benefit kWh rate power supply 0 OFF 0 1 2 02 Not applicable Do not change the default value 0 03 Local shift v...

Page 39: ...ivity also the power supply to the outdoor If the automatic test run has ended successfully the system will automatically resume normal operation unit is switched off Do not touch live parts for 10 minutes after the power supply is turned off because of high voltage risk If there are misconnections or malfunctions an error code will be displayed on the user interface To resolve the error codes see...

Page 40: ... 15 C Check that the backup heater power supply is correct thoroughly before severe damage occurs Check that the backup heater Make sure that the disposal of the glycol solution is done in thermal fuse is closed Check that the backup heater accordance with relevant local laws and regulations thermal protector is not activated Check that the backup heater contactors are not broken TROUBLESHOOTING T...