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Daikin EKHWMX500CA [49/68] X errors malfunctions and messages
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8 x Errors, malfunctions and messages
Daikin Altherma M ECH
2
O
Solar storage tank with heating controller
008.1446799_00 – 07/2019 – EN
Installation and maintenance instructions
49
Internal circulation pump
generates excessively
high operating noises
Air in the water circuit.
● Completely vent the heating system and the internal
circulation pump.
Noises caused by vibrations.
● Check the Altherma M ECH
2
O, its components and
covers to ensure they are fastened correctly.
Bearing damage in the internal circulation
pump
● Reduce pump speed (parameters [Min Perform Pump]
and [Max Perform Pump]).
● Replace the internal circulation pump.
Water pressure at pump inlet too low.
● On the controller (rotary switch position "Info"
),
check whether sufficient water pressure (> 0.5 bar) is
available; if necessary, top up heating water.
● Check whether the pressure gauge is working
correctly (connection of an external pressure gauge).
● Check admission pressure in the expansion tank and
water pressure; if necessary, top up heating water and
adjust admission pressure (see chap. 7.4).
Safety pressure relief
valve is leaking or always
open.
Expansion tank is defective. ● Replace expansion tank.
Water pressure in heating system is too high.
● On the controller (rotary switch position "Info"
),
check whether the water pressure is below the
specified maximum pressure. If necessary, drain suffi-
cient water until the pressure is in the middle of the
permissible range.
Safety pressure relief valve is stuck.
● Check safety pressure relief valve and if necessary,
replace it.
– Turn the red knob on the safety pressure relief
valve counterclockwise. If you can hear a rattling
noise, the safety pressure relief valve needs
replacing.
Tab. 8-1 Possible malfunctions on the Altherma M ECH
2
O
Malfunction Possible cause Possible solution
Содержание
- Daikin altherma m ec 1
- Ekhwmx300c ekhwmxb300c ekhwmx500c ekhwmxb500c 1
- Installation and maintenance instructions 1
- Activities to be performed annually 40 2
- Avoiding danger 4 2
- Control and configuration of dip switches 58 2
- Design and components 8 2
- Dimensions and connections 13 2
- Electrical connection 22 2
- Emergency operation 58 2
- Equipment data 61 2
- Error codes 50 2
- Errors malfunctions and messages 45 2
- Filling the system on the water side 31 2
- Filling topping up the heating system 42 2
- Filling topping up the storage tank 41 2
- Final shutdown 39 2
- General 40 2
- General information 3 2
- Hydraulic system connection 59 2
- Information on the type plate 63 10 characteristic lines 64 2
- Initial start up 33 2
- Installation 15 2
- Instructions for operating safety 5 2
- Intended use 5 2
- List of contents 2
- List of keywords 67 2
- Malfunctions 46 2
- Notes 66 2
- Product description 8 2
- Re commissioning 35 2
- Recognising errors correcting malfunctions 45 2
- Refer to the manual 3 2
- Removing the cover and thermal insulation 17 2
- Safety 4 2
- Service and maintenance 40 2
- Set up and installation 12 2
- Start up 32 2
- Taking out of operation 37 2
- Technical data 61 2
- Temporary shutdown 37 2
- Tightening torque 64 10 circuit diagram daikin altherma m ec 2
- Warnings and symbols 4 2
- Warranty conditions 3 2
- Water connection 18 2
- General information 3
- Original operating instructions 3
- Refer to the manual 3
- Relevant documents 3
- Target group 3
- Warranty conditions 3
- X general information 3
- X safety 4
- X safety 5
- X safety 6
- X safety 7
- Design and components 8
- Exterior of the device and interior structure ekhwmx b 300c 8
- Product description 8
- X product description 8
- Exterior of the device and interior structure ekhwmx b 500c 9
- X product description 9
- Fig 3 3 design and components all types upper side of the device 10
- Upper side of the device 10
- X product description 10
- X product description 11
- X set up and installation 12
- Dimensions and connections 13
- Ekhwmx b 300c 13
- X set up and installation 13
- Ekhwmx b 500c 14
- X set up and installation 14
- X set up and installation 15
- X set up and installation 16
- Caution 17
- Only remove the thermal insulation in the order stated below and in the stated direc tions do not use force do not use tools 17
- Removing the cover and thermal insulation 17
- The thermal insulation fig 4 8 item a consists of pressure sensitive epp moulded parts that can be easily damaged if not handled correctly 17
- X set up and installation 17
- X set up and installation 18
- Aligning the connections of the heating supply and return 19
- Always place o rings on the part to be inserted after a plug connection has been removed or before it is installed see fig 4 13 connection of heating lines by plug connec tion must be without tension establish suita ble tension relief particularly for connection with flexible lines not breathable 19
- Caution 19
- When working on the hydraulics pay attention to the installation position of the o rings to avoid damaging them and causing leaks 19
- X set up and installation 19
- Before putting on a plug bracket make sure that the plug bracket engages in the coupling groove to do so insert the coupling far enough into the mounting that the groove is visible through the plug bracket mounting insert the plug bracket up to the end stop 20
- Caution 20
- Connecting hydraulic lines 20
- If the plug brackets cannot be put on properly the couplings can be detached from their mountings to ensure a very strong or continuous escape of liquid can occur 20
- X set up and installation 20
- Install scalding protection hot water mixing facility e g vta32 screw set 1 21
- There is a danger of scalding at hot water tem peratures over 60 c this is possible when using solar energy if an external heater is con nected the legionella protection is activated or the target hot water temperature is set to be greater than 60 c 21
- Warning 21
- X set up and installation 21
- X set up and installation 22
- Daikin altherma m ec 23
- O overall connection diagram 23
- X set up and installation 23
- Position of the printed circuit boards 24
- Rocon bm2c printed circuit board connection diagram 24
- X set up and installation 24
- Connecting an external switching contact 25
- Connecting the heat pump outdoor unit 25
- Mains connection daikin altherma m ec 25
- Opening the controller housing and establishing electrical connections 25
- X set up and installation 25
- Caution 26
- Connecting an external heat generator 26
- Danger of voltage flash overs 26
- External requirement request eba 26
- The connections of printed circuit board rtx ehs must not be used simultaneously for connecting mains voltage 230 v and selv safety extra low voltage 26
- X set up and installation 26
- A separate manual containing instructions about instal lation and operation is included with this component 27
- Connecting a daikin room thermostat 27
- X set up and installation 27
- Connecting a daikin fwxv atv3 28
- Connecting optional daikin rocon system components 28
- Daikin ehs157034 room station 28
- Daikin ehs157068 mixer module 28
- Internet gateway daikin ehs157056 28
- X set up and installation 28
- Connecting switching contacts aux outputs 29
- Off peak mains connection ht nt 29
- X set up and installation 29
- Connecting an intelligent controller smart grid sg 30
- Symbols and key names for connection and wiring diagrams 30
- X set up and installation 30
- Checking the water quality and adjusting the pressure gauge 31
- Filling the heating system 31
- Filling the hot water heat exchanger 31
- Filling the storage tank 31
- Filling the system on the water side 31
- X set up and installation 31
- X start up 32
- Expert 33
- Initial start up 33
- Requirements 33
- Setting commissioning parameters 33
- Starting the device 33
- X start up 33
- Bleeding the hydraulic system 34
- X start up 34
- Caution 35
- Checking the minimum flow 35
- Re commissioning 35
- Requirements 35
- Setting the parameter screed program only when required 35
- Setting up in frosty conditions can result in damage to the entire heating system commissioning at temperatures below 0 c only if a water temperature of at least 5 c is guaranteed in the heating system and the storage tank daikin recommends not operating the installa tion in extremely frosty conditions 35
- Start up 35
- X start up 35
- X start up 36
- A heating system which is shut down can freeze in the event of frost and may suffer damage 37
- Caution 37
- Drain the water out of the shutdown heating system if there is a danger of frost if the heating system is not drained the power supply must be ensured and the external main switch must remain switched on if there is a danger of frost 37
- Draining the storage tank 37
- Only empty storage tanks or the heating system if they have cooled for a sufficient period of time with a suitable fixture for safely draining or collecting the escaping water with suitable protective clothing 37
- Taking out of operation 37
- Temporary shutdown 37
- Warning 37
- When opening the solar return connection and the heating and hot water connections there is a danger of scalding and overflooding from escaping hot water 37
- Without solar system 37
- X taking out of operation 37
- After removing the sealing plug storage tank water surges out 38
- Caution 38
- Draining the heating circuit and hot water circuit 38
- Only with solar system 38
- X taking out of operation 38
- Cooling systems heating pumps climate con trol systems and heating devices that are incor rectly dismantled can both endanger life and health of people and be impaired in their func tion during start up 39
- Final shutdown 39
- O such as e g dismantling components temporary or final shut down of the system must only be carried out by persons who are authorised who have successfully completed qualifying technical or vocational training for the respective activity and who have taken part in advanced training sessions recognised by the relevant responsible authority these particularly include certified heating engineers qualified electricians and hvac specialists who have experience in the professional installation and maintenance of heating cooling and air conditioning systems and heat pumps due to their professional training and their expert knowledge you must observe the warning and safety instructions in the installation manual on working in the coolant system 39
- Recommendations for disposal 39
- Warning 39
- Work on the daikin altherma m ec 39
- X taking out of operation 39
- X service and maintenance 40
- Caution 41
- Filling the storage tank with a too high water pressure or too high flow speed can cause damage to the daikin altherma m ec 41
- Filling topping up the storage tank 41
- If filling or topping up the storage tank is done by means of the boiler filling and drain valve a temporary filling loop must be used with the appropriate backflow prevention device in accordance with clause g24 guidance to the water supply water fittings regulations 1999 41
- Only fill with a water pressure 6 bar and a flow speed 15 l min 41
- Without installed solar system 41
- X service and maintenance 41
- Before the filling process de energise the daikin altherma m ec 42
- Danger 42
- During the filling process water may escape from any leaking points that can cause an elec tric shock if it comes into contact with live parts 42
- Filling topping up the heating system 42
- O after initial filling check whether all electrical parts and connecting points are dry before switching on the power supply for the daikin altherma m ec 42
- Polluted domestic water is hazardous to health 42
- Protecting the water circuit against freezing 42
- Warning 42
- When filling the heating system make sure that heating water cannot flow back into the domestic water pipe 42
- With kfe filling connection or with installed solar system see also chap 6 42
- X service and maintenance 42
- X service and maintenance 43
- X service and maintenance 44
- Before touching the control panel pcb ensure potential equalisation 45
- Caution 45
- Electrostatic charges can lead to voltage arcing that can destroy the electronic components 45
- Errors malfunctions and messages 45
- Recognising errors correcting malfunctions 45
- X errors malfunctions and messages 45
- Malfunctions 46
- X errors malfunctions and messages 46
- X errors malfunctions and messages 47
- X errors malfunctions and messages 48
- X errors malfunctions and messages 49
- Error codes 50
- X errors malfunctions and messages 50
- X errors malfunctions and messages 51
- X errors malfunctions and messages 52
- X errors malfunctions and messages 53
- X errors malfunctions and messages 54
- X errors malfunctions and messages 55
- X errors malfunctions and messages 56
- X errors malfunctions and messages 57
- Before beginning work on live parts disconnect all of the systems circuits from the power supply switch off external main switch disconnect fuse and secure against unintentional restart 58
- Control and configuration of dip switches 58
- De energise the system check the dip switch setting on the rocon bm2c printed circuit board of the daikin altherma m ec 58
- Dip switch settings are not recognised until a brief inter ruption to the power supply 58
- Emergency heating operation can be maintained if the electronic controller settings are incorrect by activating the special manual operation function on the controller see controller operating instructions 58
- Emergency operation 58
- If the 3 way valves are intact the daikin altherma m ec 58
- O and adjust if necessary see fig 8 5 the factory setting must not be changed close the controller housing and restore the voltage supply 58
- O switches to heating mode the required inflow temperature can be adjusted with the rotary switch 58
- Touching live parts can result in an electric shock and lead to potentially fatal injuries and burns 58
- Warning 58
- X errors malfunctions and messages 58
- High temperatures can occur in the solar stor age tank therefore sufficient scalding protec tion must be included when the hot water system is installed automatic hot water mixing device 59
- Hydraulic system connection 59
- Warning 59
- X hydraulic system connection 59
- X hydraulic system connection 60
- Ekhwmx b 300c 61
- Equipment data 61
- Technical data 61
- X technical data 61
- Ekhwmx b 500c 62
- X technical data 62
- Information on the type plate 63
- X technical data 63
- Backup heater 1 max 10 nm hand tight 64
- Characteristic lines 64
- Component thread size 64
- Hydraulic line connections water 1 25 to 30 nm 64
- Measured temperature in c 64
- Sensor characteristic lines 64
- Sensor resistance in kohm according to standard or manufacturer s indications 64
- Temperature sensor 64
- Temperature sensor all max 10 nm 64
- Tightening torque 64
- X technical data 64
- Circuit diagram daikin altherma m ec 65
- X technical data 65
- X notes 66
- List of keywords 67
- X list of keywords 67
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