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ESIE13-03

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Part 2. Troubleshooting

3. Symptom based troubleshooting

13/05/15

|

Version 2.0

Page 51

Ground source heat pump

Compressor (M1C) frequency
limited - suction pipe super-
heat protection function active.

This protection control acti-
vates when suction superheat
is > 10°C and expansion valve
is fully open (480 pulse). Unit
returns to normal operation
when suction superheat is <
4°C.
Remark: check the suction
superheat by measuring the
suction temperature (with con-
tact thermometer) before the
compressor and comparing
with the saturated evaporation
temperature.

Activation of the protection
function can be caused by var-
ious reasons, therefore we
recommend to check the fol-
lowing:
• Check refrigerant charge
• Check expansion valve for

correct operation (see

) and check

suction sensor (R3T) (see

).

• Check

the

refrigerant

circuit for blockages.

Based on the diagnosis exe-
cute one of the following
actions:
• Correct

the

refrigerant

charge (total charge:
1.8 kg)

• Replace

expansion

valve(see

electronic expansion valve
K1E body" on page 133

"Replacing the electronic
expansion valve K1E
electromagnet" on
page 135

sensor (R3T)

• Remove

detected

blockages from the
refrigerant circuit

Root cause category: installation

PHE condensor (water side)
(partial) blockage.

Dirty water (particles).

• Check waterflow rate

registered by flowsensor.

• Check water side plate

type heat exchanger for
blockage (see

).

• If required replace the

water plate type heat
exchanger.

• Check the water quality.

Root cause category: component - mechanical

Limited heat exchange
between refrigerant loop and
heat sink inverter could result
in high inverter temperatures
and limited compressor fre-
quency.

• Bad

contact

between

refrigerant loop and
inverter heat sink.

• Lack

of

refrigerant.

Check contact between refrig-
erant loop and inverter PCB
heat sink.

Root cause category: component - electrical

Discharge thermistor (R2T -
A9P) - higher temperature
measured than actual.

Deviation of thermistor (higher
temperature measured than
actual).

Check discharge thermistor
R2T (see

).

Replace discharge thermistor
R2T (see

A9P (see

).

Heat sink inverter thermistor
(R10T - A10P) - deviation.

Deviation of thermistor (higher
temperature measured than
actual).

Check thermistor R10T (see

).

Replace R10T (see

or PCB A10P (see

).

Expansion valve (K1E) incor-
rect control - superheat too
high.

• Faulty suction R3T

thermistor.

• Faulty low pressure liquid

(R4T - A9P) thermistor.

• Faulty expansion valve

control.

• Check

thermistor

R3T

(see

).

•

Check the expansion valve
(see

Replace thermistor R3T (see

) or replace expan-

sion valve(see

Possible failures

Root cause

Check

Corrective action

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Содержание EGSQH10S18AA9W

Страница 1: ...Service Manual Ground source heat pump EGSQH10S18AA9W ESIE13 03 Version 2 0 ...

Страница 2: ...wledge No express or implied warranty is given for the completeness accuracy reliability or fitness for particular purpose of its content and the products and services presented therein Specifications are subject to change without prior notice Daikin Europe N V explicitly rejects any liability for any direct or indirect damage in the broadest sense arising from or related to the use and or interpr...

Страница 3: ...ter heat duration is too long warning 21 2 4 A1 Hydro PCB abnormality 21 2 5 CJ 02 User interface room temperature error 22 2 6 C0 Flow sensor error 22 2 7 C4 Refrigerant liquid thermistor R3T A1P abnormality 22 2 8 EC Domestic hot water temperature error 22 2 9 E1 Refrigerant brine PCB abnormality 23 2 10 E3 High pressure abnormality 23 2 11 E5 Compressor motor lock 23 2 12 E7 Brine flow error 24...

Страница 4: ...g water thermistor abnormality 36 2 49 81 Leaving water thermistor R1T abnormality 36 3 Symptom based troubleshooting 37 3 1 Capacity shortage General 37 3 2 Capacity shortage Space heating 40 3 3 Capacity shortage Domestic hot water operation 41 3 4 The system does not start operate 42 3 5 Inaccurate temperature control for both domestic hot water and space heating operation 44 3 6 Water leakage ...

Страница 5: ...of the heat pump module front side only 89 2 1 11 Unlocking the pivoting power input section 90 2 2 Parts replacement procedures 92 2 2 1 Removing the lower rear panel 92 2 2 2 Replacing a PCB in the switch box 93 2 2 3 Cleaning the brine filter 98 2 2 4 Cleaning the water filter 100 2 2 5 Replacing the brine flow switch 102 2 2 6 Replacing the water flow sensor 104 2 2 7 Replacing the brine pump ...

Страница 6: ...rine circuit 150 2 5 Checking the relief valve of the Domestic Hot Water tank field supply 151 2 6 Checking the filters of Space Heating and brine circuit 151 2 7 Draining the Domestic Hot Water tank 152 2 8 Anode 152 2 9 Descaling and chemical disinfection 152 2 10 Checking the Switch box 152 Part 5 Appendix 153 1 Field settings 153 1 1 Field settingstable 1 Software version before 1 04 2015 154 ...

Страница 7: ...acing the water pressure relief valve 3 112 Replacing the brine pressure relief valve 1 114 Replacing the brine pressure relief valve 1 115 Replacing the water pump 1 116 Replacing the water pump 2 117 Replacing the water pump 3 118 Replacing the water pump 4 119 Water pump wire strain relief 119 Replacing the compressor 1 120 Replacing the compressor 2 121 Replacing the compressor 3 121 Replacing...

Страница 8: ...or location 143 Replacing a temperature sensor 1 144 Replacing a temperature sensor 2 145 Replacing temperature sensor R10T 146 Replacing temperature sensor R10T 147 Field settings table 1 1 154 Field settings table 1 2 155 Field settings table 1 3 156 Field settings table 2 1 157 Field settings table 2 2 158 Field settings table 2 3 159 Wiring diagram 1 switchbox layout 160 Wiring diagram 2 PCB A...

Страница 9: ...down the system in case of an emergency Name and address of fire department police and hospital Name address and day and night telephone numbers for obtaining service In Europe EN378 provides the necessary guidance for this logbook 2 1 Meaning of symbols Version code Description Date Draft 0 1 Preliminary release 20 12 2013 Version 2 0 Addition of hyperlinks from troubleshooting tables towards che...

Страница 10: ...otective equipment protective gloves safety glasses when installing maintaining or servicing the system WARNING Tear apart and throw away plastic packaging bags so that nobody especially children can play with them Possible risk suffocation WARNING Do NOT touch the air inlet or aluminium fins of the unit WARNING Do NOT place any objects or equipment on top of the unit Do NOT sit climb or stand on ...

Страница 11: ...rom getting wet while the service cover is opened WARNING Only use copper wires All field wiring must be performed in accordance with the wiring diagram and installation manual supplied with the product If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires may cause an electrical shock excessive heat generation or fire Secure all terminal ...

Страница 12: ...Version 2 0 Ground source heat pump 2 4 Information INFORMATION Make sure refrigerant piping installation complies with applicable legislation In Europe EN378 is the applicable stand ard INFORMATION Make sure the field piping and connections are not subjected to stress ...

Страница 13: ...eing exchanged with water Operation range can be found back in the engineering databook The requested water temperatures are delivered by heat pump operation and were necessary by assistance of the backup heater When the GSHP unit is starting operation following behaviour occurs House Electrical backup heater Compressor Heat pump Brine pump Evaporator Expansion valve Condenser Water pump Space hea...

Страница 14: ...ually adjust its speed to reach and maintain the required water temperature When the domestic hot water function is activated the 3 way valve will switch over to the domestic hot water tank and space heating side is closed Domestic hot water and space heating cannot be active simultaneously The 3 way valve will switch back to space heating when domestic hot water setpoint is reached or when runnin...

Страница 15: ...s When Adobe Acrobat Reader is used the Alt Back Arrow keys can be used to return to the previously viewed page NO YES NO YES N N N N N NO O O O O O Y Y Y Y Y YE E E E E ES S S S S S Is this your 1st encounter with this particular unit I I Is Is Is Is Is t t t t t th h h his with th What do you need to do W Wh Wh Wh Wh Wha at d Is an Error Code displayed I I Is Is Is Is Is a a a an n n Er displ Is...

Страница 16: ...to repair The possible causes have been sorted to probability of occurrence and speed of execution 4 2 3 The repair chapter The chapter Repair on page 83 handles the removal and replacement of the major components in the product and discusses cleaning methods as well if applicable such as for filters Where applicable refrigerant handling precautions are mentioned for certain actions please conside...

Страница 17: ...e countermeasure before resetting the error code If an error is present it will immediately be displayed on the user interface screen In case of a warning the i symbol information will be blinking You can see the error code by pressing the i button Now you can read the error code and a short indication about the problem For more information about troubleshooting refer to Error code based troublesh...

Страница 18: ...rough the outdoor PCB the content of retry can be determined Here you can find the errors which are being created before they are being displayed on the user interface Content of retry goes back up to 3 retries Take the following steps to check contents of retry and error INFORMATION For U3 error for example you need to be in installer mode to reset 6 Information Sensor information Energy metering...

Страница 19: ...te of Monitor mode Selection of retry or error item Display of RETURN 2 Pressing the MODE BS1 button will bring the system to the Setting mode 1 Display of RETURN 3 Display of RETURN 1 Data display 1 LED display Display contents Display contents H1P H2P H3P H4P H5P H6P H7P In normal operation In oil return operation Data display 2 LED display Display contents H1P H2P H3P H4P H5P H6P H7P GSHP Data ...

Страница 20: ...ion error between user interface and hydro PCB 34 7H 01 Water flow abnormality 34 7H 04 Water flow abnormality during DHW operation 35 7H 06 Water flow abnormality during pace heating operation 35 8F Backup heater outlet water temperature error during domestic hot water operation 36 8H Backup heater outlet water temperature error 36 80 R4T entering water thermistor abnormality 36 81 Leaving water ...

Страница 21: ... not allowed Check setting backup heater e g 4 00 Change settings Trigger Effect Reset DHW heat up 6 hours Unit switches to space heating for 3 hours Not available Possible cause Check Corrective action Faulty backup heater Check backup heater Replace backup heater Faulty power supply Check power supply Correct power supply Blown fuse Check fuses on PCB s Replace fuses Too large DHW consumption Lo...

Страница 22: ...Correct hydraulic field circuit Refer to the Installer Reference Guide Faulty flow sensor hydro PCB A1P Check flow sensor see page 77 Replace flow sensor see page 104 or replace hydro PCB A1P see page 93 If flow sensor failed due to contamination check for source of contamination and consider to install an additional water fil ter Trigger Effect Reset Thermistor detects an abnormal value open or s...

Страница 23: ...vercharge Check for refrigerant overcharge Charge the correct refrigerant amount 1 8 kg Humidity in refrigerant ice formation in expansion valve Check for humidity in the refrigerant In case of suspicion of humidity recover vacuum and recharge with virgin refriger ant Non condensables in refrigerant Check for non condensables in refriger ant In case of suspicion of non condensables recover vacuum ...

Страница 24: ...ger timer can increase up to 60 seconds Unit will stop operating Via user interface Possible cause Check Corrective action Closed valve in brine circuit Check if all valves are open Adjust open valve Brine pressure is too low Check the brine pressure on the pressure gauge PG1 Increase brine pressure till 2 bar Refer to the Installer Reference Guide Check for possible brine leak Static pressure of ...

Страница 25: ...ted by checking the suction superheat If the suction superheat is 0 C then liquid refrigerant is returning to the compressor In case wet operation was detected con firm the cause Refrigerant overcharge Restricted brine flow Faulty expansion valve External factor e g electrical noise cause when error is reset after power reset and error happens again after awhile Check for source which could cause ...

Страница 26: ...assure that the field supplied brine pump does not influ ence the units internal brine flow or that it is stopped when the unit brine pump is stopped Faulty flow switch refrigerant brine PCB A9P Check flow switch see page 63 Replace flow switch see page 102 or replace PCB A9P see page 96 If flow switch failed due to contamination check for source of contamination and consider to install an additio...

Страница 27: ...s an abnor mal value for 3 minutes 4 5 MPa or 0 05 MPa Unit stops operating Auto reset Possible cause Check Corrective action Faulty high pressure sensor refriger ant brine PCB A9P Check high pressure sensor see page 70 Replace the high pressure sensor see page 140 or PCB A9P see page 96 Trigger Effect Reset Discharge thermistor detects an abnormal value open or short circuit Unit stops operating ...

Страница 28: ...tor R5T see page 58 Replace thermistor R5T see page 143 or PCB A9P see page 96 Trigger Effect Reset Brine outlet thermistor R6T detects an abnormal value open or short circuit Unit stops operating Auto reset when problem is solved Possible cause Check Corrective action Faulty brine outlet thermistor R6T refrigerant brine PCB A9P Check thermistor R6T see page 58 Replace thermistor R6T see page 143 ...

Страница 29: ...ed is blinking in regular intervals If not blinking in regular intervals replace the PCB see page 96 External factor e g electrical noise cause when error is reset after power reset and error happens again after awhile Check for source which could cause elec trical interference Blown fuse Check fuse on refrigerant brine main PCB A9P Replace fuse if blown Faulty inverter PCB A10P Check inverter PCB...

Страница 30: ... Possible cause Check Corrective action Refrigerant circuit is clogged Check for possible blockage blockages can be checked by measuring the refriger ant pipe temperature Sudden drop in temperature could indicate a blockage remark this is not valid for the expansion valve Refrigerant overcharge Check for refrigerant overcharge Charge the system with 1 8 kg refrigerant Faulty compressor Check compr...

Страница 31: ...e action Faulty inverter heat sink thermistor R10T inverter PCB A10P Check thermistor R10T see page 58 Check inverter PCB see page 75 Replace thermistor R10T see page 145 or PCB A10P see page 97 Faulty inverter PCB A10P Check inverter PCB see page 75 Replace inverter PCB see page 97 Faulty refrigerant brine PCB A9P Check refrigerant brine main PCB A9P Replace refrigerant brine main PCB A9P see pag...

Страница 32: ... possible blockage blockages can be checked by measuring the refriger ant pipe temperature Sudden drop in temperature could indicate a blockage remark this is not valid for the expansion valve Refrigerant shortage incorrect charge leakage Check for refrigerant shortage Perform leak test If required repair the leak and charge the correct amount of refrigerant 1 8 kg Faulty expansion valve Check exp...

Страница 33: ...No heat source detected Check backup heater Restart screeds dry out program Refer to the Installer Reference Guide Possible cause Check Corrective action User interface has been turned off Check user interface Restart screed dry out program Refer to the Installer Reference Guide Power failure Check power supply Restart screed dry out program Refer to the Installer Reference Guide Trigger Effect Re...

Страница 34: ... flow 10 l min for 15 seconds Unit will stop operating after some time will automatically try to start operation again Auto reset During cooling operation water flow 10 l min for 15 seconds Unit will stop operating after some time will automatically try to start operation again Auto reset During BUH operation water flow 12 l min for 15 seconds Unit will stop operating after some time will automati...

Страница 35: ...e page 115 or replace hydro PCB A1P when required If flow sensor failed due to contamination check for source of contamination and consider to install an additional water fil ter No by pass installed Check by pass settings refer to Installer Reference Guide Install by pass Incorrect by pass settings Check by pass settings refer to Installer Reference Guide Change by passsettings TIP Check if probl...

Страница 36: ... heater detects temperature above 75 C Unit will stop operating Via user interface Possible cause Check Corrective action Increased water temp by external heat source Check if another heat source is installed on the same water circuit Correct hydraulic field circuit Refer to the Installer Reference Guide Faulty thermistor R2T hydro PCB A1P Check thermistor R2T see page 58 Replace thermistor R2T se...

Страница 37: ...om 148 Hz to 193 Hz unit capacity increase from 10 to 12 kW Possible failures Root cause Check Corrective action Root cause category software control Compressor M1C frequency limited high discharge tem perature protection function active In case the discharge temper ature is higher than 105 C the compressor frequency will be reduced When the discharge temperature is lower than 105 C the frequency ...

Страница 38: ... time according to operation manual instructions Displayed date time is wrong schedules not correctly exe cuted Daylight Saving Time not set correctly Check Daylight Saving Time settings Set Daylight Saving Time according to operation man ual Schedules not activated Schedules were not con firmed refer to schedule set tings Check schedules on the user interface Set schedule according to user refere...

Страница 39: ...cal Refrigerant shortage Refrigerant leakage Incorrectly charged Check refrigerant charge Pressure test the system to check for leakage If required repair the leak and charge the correct refrigerant amount 1 8 kg Air Purge AP blocked air trapped in water system Component failure Check air purge valve Replace air purge valve Root cause category component electrical High pressure sensor B1PH higher ...

Страница 40: ...point Remark check the weather dependent settings relation outdoor temperature set point in case weather dependent control is acti vated Space heating not activated Check if space heating is acti vated Root cause category parameter setting External room thermostat used with setting A 2 1 7 on value 2 user interface thermostat control Wrong setting of A 2 1 7 unit control method Check setting A 2 1...

Страница 41: ... Capacity shortage General on page 37 for an overview of the general causes both for space heating and domestic hot water which can lead to capacity shortage Possible failures Root cause Check Corrective action Root cause category end user Too low domestic hot water setpoint User set too low domestic hot water setpoint by schedule or manual operation Check domestic hot water tank set temperature i...

Страница 42: ...ature control Thermo on leaving water temperature setpoint Thermo off leaving water temperature 1 5 C Change setpoint if required Thermostat ON conditions for domestic hot water operation are not met Thermostat ON conditions for domestic hot water operation are not met Confirm thermostat on conditions depend ing on the selected domestic hot water DHW control type setting 6 0D 1 Reheat only In case...

Страница 43: ...ime according to operation manual instruc tions Displayed date time is wrong schedules not cor rectly executed Daylight Saving Time not set correctly Check Daylight Saving Time settings Set Daylight Saving Time according to operation manual Incorrect setting of unit control method setting C 07 Incorrect setting of unit control method setting C 07 leaving water con trol room thermostat con trol ext...

Страница 44: ...7 in case power supply is OK but led is not blinking Inverter PCB A10P does not give correct output to compressor Inverter circuit problem Check inverter PCB Replace inverter PCB A10P in case faulty see page 97 Reactor coil L1R L2R L3R broken Component problem Check continuity of the reactor coil Replace the reactor coil in case faulty Possible failures Root cause Check Corrective action Root caus...

Страница 45: ...drain pipe and field drain pipe Check the drain connection of the water safety valve Correct the drain connection if required Drain of bottom drain plate not well connected Bad connection of bottom drain plate and field drain con nection Check the drain connection between the bottom drain plate and the field drain Correct the drain connection if required Leakage of drain valve water side DR3 DR4 V...

Страница 46: ...id electric heater use Adapt domestic hot water set point e g 50 55 C Too high leaving water temper ature setpoint User set too high leaving water temperature setpoint by schedule or manual operation Check leaving water setpoint Adapt leaving water setpoint e g 55 C will reduce backup heater operation Too high space heating set point on room thermostat User set too high room set point by schedule ...

Страница 47: ...see page 93 Root cause category system design Water circuit requested capacity too high causing the system always to run at full capacity Incorrect system selection Check required capacity by heat load calculation Refer to the capacity tables in the engi neering databook to know max system capacity at indi cated conditions Adapt system design Possible failures Root cause Check Corrective action Ro...

Страница 48: ...ponent mechanical Water pump M1P mechani cal problem Internal pump friction Check water pump see page 66 Replace water pump see page 115 Air Purge AP blocked air trapped in water system Component failure Check air purge valve Replace air purge valve Possible failures Root cause Check Corrective action Root cause category parameter setting Capacity boost setting A 03 activated Capacity boost settin...

Страница 49: ...lace water pres sure reducing valve Possible failures Root cause Check Corrective action Root cause category installation Extreme formation of anode residue Water quality and composition of the water chlorides con ductivity can lead to acceler ated reduction of the anode in the tank and aluminiumhydrox ides will be formed on the bot tom of the tank Remark a not well controlled water softener can c...

Страница 50: ...harge temperature is lower than 105 C the frequency can increase again Activation of the protection function can be caused by var ious reasons therefore we recommend to check the fol lowing Check refrigerant charge Check expansion valve for correct operation see page 72 and check suction sensor R3T see page 58 Check discharge thermistor R2T see page 58 Based on the diagnosis exe cute one of the fo...

Страница 51: ...ater side partial blockage Dirty water particles Check waterflow rate registered by flowsensor Check water side plate type heat exchanger for blockage see page 67 If required replace the water plate type heat exchanger Check the water quality Root cause category component mechanical Limited heat exchange between refrigerant loop and heat sink inverter could result in high inverter temperatures and...

Страница 52: ...tat off condition reached Possible failures Root cause Check Corrective action Root cause category software control Unexpected water pump behavior Water pump software control Water pump start stop condi tions During space heating or domestic hot water off the pump is off During space heating or domestic hot water on pump operation depends on setting F 0D continuous sample or request Remark in dome...

Страница 53: ...green led is blinking in regular intervals Confirm power supply towards PCB A1P Check good operation of transformer TR1 Re establish power to PCB Replace PCB A1P see page 93 in case power supply and transformer TR1 are OK but led is not blinking Reactor coil L1R L2R L3R broken Component problem Check continuity of the reactor coil Replace the reactor coil in case faulty P1P2 transmission cable bro...

Страница 54: ...C 69 High pressure sensor B1PH 70 High pressure switch S1PH 71 Electronic expansion valve K1E 72 Thermal protector backup heater Q1L 73 Inverter PCB A10P 75 Water flow sensor B1L 77 3 way valve M3S 79 1 Magnet tool part N 9950038 3 Inverter analyzer tool part N 1368521 2 Extension cable tool part N 5011856 Technical specification Description The 2 stage backup heater is composed of heater E1H 3 x ...

Страница 55: ...ace the backup heater refer to Replacing the backup heater on page 106 4 Measure the 3x2 kW heater resistance between X1H 7 8 X1H 8 9 and X1H 7 9 5 All values must be 54 Ohm 10 if not replace the backup heater refer to Replacing the backup heater on page 106 6 Perform a Megger test 500 V on the X1H 5 GND and X1H 1 7 The isolation resistance must exceed 3 MOhm 8 Perform a megger test 500 V on the X...

Страница 56: ...6 5 3 BUH step 1 ON 6 5 4 BUH step 2 ON 6 Measure the voltage between connector X1H 1 2 X1H 1 3 and X1H 2 3 All voltages must be 400 VAC 10 7 Measure the voltage between connector X1H 7 8 X1H 8 9 and X1H 7 9 All voltages must be 400 VAC 10 Circuit breakers thermal protector backup heater check 1 If not all voltages are present on connector X1H Measure the voltage on contactor K2M A1 A2 The voltage...

Страница 57: ...ns 2 4 6 but not on pins 1 3 5 replace K5M 4 Measure the voltage between X1H 7 8 X1H 8 9 and X1H 7 9 All voltages must be 400 VAC 10 5 If no voltage is present measure the voltage on K1M A1 A2 The voltage must be 230 VAC 10 if no voltage is present check K1M A1 A2 wiring or replace A1P 6 Confirm correct operation of K1M Between K1M 1 3 K1M 3 5 and K1M 1 5 all voltages must be 400 VAC 10 Between K1...

Страница 58: ...g the connector from the appropriate PCB and measure the resistance between the pins listed in Table 2 1 on page 59 Compare the measured resistance with the range determined by the lower and higher temperature in Table 2 2 on page 60 7 If the measured resistance does not match the listed value the thermistor must be replaced refer to Replacing a thermistor except R10T on page 143 Technical specifi...

Страница 59: ...e of the thermistor matches the temperature measured with the contact thermometer but the temperature for the corresponding thermistor is not correct on the user interface display replace PCB A9P see page 96 or PCB10P see page 97 Thermistor Processed on PCB Connector pin Type User interface R1T outlet water A1P X5A 1 2 1 6 1 5 Leaving water PHE R1T ambient air A9P X5M 11 12 1 6 1 2 Outdoor temp R2...

Страница 60: ...5 309 9511 15 30 61 20 25 0060 20 247 2696 20 24 29 25 20 0000 25 198 4674 25 19 41 30 16 1008 30 160 2244 30 15 61 35 13 0426 35 130 0697 35 12 64 40 10 6281 40 106 1517 40 10 30 45 8 7097 45 87 0725 45 8 439 50 7 1764 50 71 7703 50 6 954 55 5 9407 55 59 4735 55 5 761 60 4 9439 60 49 5180 60 4 797 65 4 1352 65 41 4168 65 4 014 70 3 4757 70 34 7923 70 3 375 75 2 9349 75 29 3499 75 2 851 80 2 4894 ...

Страница 61: ...ng the water pressure relief valve on page 110 Technical specification Description The pressure valve SV1 will open if the brine circuit pressure exceeds 3 bar The pressure valve SV2 will open if the water circuit pressure exceeds 3 bar A pressure relief valve is a safety component that is designed to open at a predetermined set pres sure to protect the brine and water circuit The brine pressure r...

Страница 62: ...ce guide EGSQH10S18AA9W Technical specification Description The expansion vessel EXP1 has a capacity of 10 liter and is pre pressurised at 1 bar The expansion vessel EXP2 has a capacity of 10 liter and is pre pressurised at 1 bar The expansion vessel is a small tank used to pro tect the closed water and brine circuits from excessive pressure The tank is partially filled with air whose compressibil...

Страница 63: ...t the paddle can move without applying force 5 If the paddle is obstructed the brine flow switch must be replaced Technical specification Description The brine flow switch has a normally open contact The brine flow switch contact closes when the brine flow equals or exceeds 25 l m The brine flow switch is a mechanical switch that is switched on or off in response to the flow or non flow of the bri...

Страница 64: ...s on the user interface are available in the Installer Reference Guide paragraph To access the most used commands 8 Select Actuator test run A 7 4 9 Activate the brine pump A 7 4 I 10 Measure the electrical conductivity between pin 2 and 4 of the connector on the flow switch the value must be 0 Ohm zero 11 If the conductance measurements are not correct the brine flow switch must be replaced refer...

Страница 65: ... test run A 7 4 in the user interface menu 7 Activate the brine pump A 7 4 I 8 Feel the pump body vibration to check pump functioning 9 The 3 speed indicators on the pump must be lit adjust the brine pump speed if required 10 If no pump vibrations can be observed 11 Check fuse F5U on A9P PCB replace if blown 12 Measure the voltage at X77A pin 1 3 on A9P PCB the voltage must be 230 VAC 10 if not re...

Страница 66: ... the sound insulation of the heat pump module front side only on page 89 4 Power the Daikin Altherma GSHP 5 Activate Installer level on the user interface refer to Installer Level Settings on the user interface are available in the Installer Reference Guide paragraph To access the most used commands 6 Select Actuator test run A 7 4 7 Activate the water pump A 7 4 6 8 Check the LED on the water pum...

Страница 67: ...tronics mal functioning Replace pump Technical specification Description The plate type heat exchanger uses metal plates to transfer heat between two fluids This improves the heat exchange as the fluids are exposed to a much larger surface compared to conventional heat exchangers This facilitates the transfer of heat increasing the speed of the temperature change The plate type heat exchanger PTH ...

Страница 68: ...e on the user interface 6 1 5 9 Check the saturated high pressure value and its corresponding temperature on the manifold and compare it with the temperature displayed for R1T Leaving water PHE on the user interface 6 1 5 10 A temperature difference of 5 to 10 C is acceptable if the temperature difference exceeds 10 C the type heat exchanger PTH 2 efficiency is too low and could indicate partial b...

Страница 69: ...ded to preventively replace the compressor refer to Replacing the compressor on page 119 Technical specification Description Compressor name 2YC63PXD C Type inverter driven double swing The compressor M1C compresses the refrigerant in the refrigerant circuit Location Piping diagram Unit Check procedure Electrical check Brine side SAFETY VALVE PRESSURE GAUGE Refrigerant INSIDE OF UNIT FACTORY INSTA...

Страница 70: ...ine the expected sensor output signal Technical specification Description The high pressure sensor B1PH is an analog pressure sensor The high pressure sensor B1PH measures the pressure in the high pressure section of the refrig erant circuit Location Piping diagram Switch box Unit Check procedure Electrical check t R2T MOTOR OPERATED COMPRESSOR check valve service port t R3T utdoor MUFFLER service...

Страница 71: ...re sensor on page 137 4 12 High pressure switch S1PH INFORMATION The high pressure sensor connector must be plugged into X17A on PCB A09P Technical specification Description The high pressure switch S1PH has a normally closed contact If the pressure exceeds 41 7 0 1 bar the contact will open if the pressure drops below 32 2 bar the contact will close The high pressure switch S1PH is a safety com p...

Страница 72: ...e switch must be closed 10 Replace the high pressure switch S1PH if the contact is not closed refer to Replacing the refrigerant high pressure switch on page 140 4 13 Electronic expansion valve K1E 1 Switch off the Daikin Altherma GSHP via the user interface 2 Open the Sound Insulation Front Side Only refer to Opening the sound insulation of the heat pump module front side only on page 89 3 Remove...

Страница 73: ...ect the connector X21A from PCB A9P 4 Measure the 4 electromagnet windings X21 red white red orange red yellow and red blue All windings must read 45 Ohm 5 If one or more winding measurements fail replace the expansion valve K1E electromagnet refer to Replacing the electronic expansion valve K1E electromagnet on page 135 4 14 Thermal protector backup heater Q1L Electrical check Technical specifica...

Страница 74: ...ackup heater Q1L must trip at approximately 92 C 1 Switch off the Daikin Altherma GSHP via the user interface 2 Remove the switch box cover refer to Removing the switch box cover on page 89 3 Remove the 2 screws that fix the thermal protector backup heater Q1L 4 Disconnect the wiring from the thermal protector backup heater Q1L 5 Measure the resistance between Q1L terminals 31 32 and measure the r...

Страница 75: ...oving the switch box cover on page 89 3 Disconnect X7Y and connect extension wire compressor SPP number 5008826 to X7Y and to the Inverter Analyzer SPP number 1368521 4 Power the Daikin Altherma GSHP Technical specification Description The inverter PCB A10P is a 400 V 3 phase inverter The inverter PCB A10P drives the compressor Location Wiring diagram Switch box Unit Check procedure Electrical che...

Страница 76: ...em 2 from binary 2 to binary 1 on PCB A10P 10 Confirm that LED s on the inverter analyzer stopped blinking and wait for 10 seconds 11 Switch off the main power to the unit 12 Disconnect the inverter analyzer from the U V W wiring 13 Re connect the U V W leads to the compressor H1P OFF LED status ON Blink Normal H2P H3P H4P H5P H6P H7P H1P H2P H3P H4P H5P H6P H7P LED status entered monitor mode H1P...

Страница 77: ...le in the Installer Reference Guide paragraph To access the most used commands 5 On the user interface select Actuator test run A 7 4 6 On the user interface activate the water pump A 7 4 6 7 On the user interface select Flow Rate 6 1 8 8 The displayed flow rate must be between 10 and 40 l minute Technical specification Description The water flow sensor output signal versus flow is shown in the gr...

Страница 78: ...the expected range replace water flow sensor B1L refer to Replacing the water flow sensor on page 104 if the measured voltage does not correspond with the displayed flow on the user interface replace PCB A1P refer to Procedure replacing the A1P PCB on page 93 X4A 0 0 0 55 10 5 20 30 40 50 flow l min output voltage V 1 2 3 3 5 4 5 Flow sensor B1L ...

Страница 79: ...erface 2 Remove the top panel refer to Removing the top panel on page 88 3 Remove the switch box cover refer to Removing the switch box cover on page 89 4 Power the Daikin Altherma GSHP and activate domestic hot water Technical specification Description The 3 way valve is driven by a 230 VAC motor Motor and valve can be replaced separately The 3 way valve is used to circulate the water in the wate...

Страница 80: ...the same temperature as the 3 way valve input the Domestic Hot Water exit must have a much lower temperature 11 If one or both checks above are not OK remove the 3 way valve motor from the 3 way valve 12 Set the 3 way valve manually in the Domestic Hot Water position 13 Using a contact thermometer measure the temperature at the 3 way valve Domestic Hot Water exit and at the Space Heating exit the ...

Страница 81: ...ESIE13 03 Part 2 Troubleshooting 4 Component checklist 13 05 15 Version 2 0 Page 81 Ground source heat pump DOMESTIC HOT WATER SPACE HEATING IN IN OUT OUT ...

Страница 82: ...ESIE13 03 Part 2 Troubleshooting 4 Component checklist Page 82 13 05 15 Version 2 0 Ground source heat pump ...

Страница 83: ...ed during repair Pipe expansion flare making Remove any burrs on the cut surface and use correct tool such as reamer or scraper note that excessive deburring can thin the pipe walls and cause cracking of the pipe Make sure the flare has the correct size use a flare gauge Make sure no particles remain in the piping Apply refrigerant oil on the inner surface of the flare Make sure the flare connecti...

Страница 84: ...ight be necessary to apply some heat sink compound 2 Figure 2 Required products 1 4 Tools 1 4 1 Required special tooling when servicing the Daikin Altherma GSHP Daikin strongly recommends to use special tools to avoid damage to the equipment or to facilitate the replacement of certain spare parts Figure 3 Required tools 1 Thread sealant Permabond A131 local supply 2 Heat sink compound Part number ...

Страница 85: ... 1 1 Removing the front panel 1 Switch off the Daikin Altherma GSHP via the user interface 2 Loosen and remove the 2 screws 1 at the bottom of the unit that fix the front panel 2 3 Slide the front panel of the unit downwards and remove it from the unit Figure 4 Removing the front panel WARNING The front panel is heavy Be careful not to jam your fingers when opening the unit 1 Screw 2 Front panel 2...

Страница 86: ...on page 89 Figure 5 Refrigerant service ports 2 1 3 Draining the brine circuit 2 1 3 1 Procedure 1 Switch off the Daikin Altherma GSHP via the user interface 2 Open the sound insulation of the heat pump module front side refer to Opening the sound insulation of the heat pump module front side only on page 89 3 Connect a hose to the brine circuit drain 1 Refrigerant Action High Pressure Service Por...

Страница 87: ...er to the instructions of the field supplied brine filling equipment 2 1 5 Draining the water circuit 2 1 5 1 Procedure 1 Switch off the Daikin Altherma GSHP via the user interface 2 Close the field supplied water shut off valves 3 Open the sound insulation of the heat pump module refer to Opening the sound insulation of the heat pump module front side only on page 89 4 Connect a hose to the water...

Страница 88: ...guide 2 1 7 Draining the domestic hot water tank 2 1 7 1 Procedure To drain the domestic hot water tank refer to To drain the domestic hot water tank in the Daikin Altherma ground source heat pump Installer reference guide 2 1 8 Removing the top panel 1 Switch off the Daikin Altherma GSHP via the user interface 2 Loosen and remove the 4 screws 1 that fix the top panel 3 Remove the top panel 2 from...

Страница 89: ...over 2 1 10 Opening the sound insulation of the heat pump module front side only 2 1 10 1 Procedure 1 Switch off the Daikin Altherma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Loosen and remove the 4 screws 1 that fix the bracket 2 4 Remove the bracket 2 5 Open the sound insulation 3 of the heat pump module by pulling the velcro strips WARNI...

Страница 90: ...g power input section 2 1 11 1 Procedure 1 Switch off the Daikin Altherma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Loosen and remove the screw 1 that fixes the pivoting power input section 3 at the top 4 Loosen and remove the screw 2 that fixes the pivoting power input section 3 at the side 1 Screw 3 Sound insulation 2 Bracket 2 1 1 1 1 3 ...

Страница 91: ... Part 3 Repair 2 Unit specific repair procedures 13 05 15 Version 2 0 Page 91 Ground source heat pump Figure 11 Unlocking the pivoting power input section 1 Screw 3 Pivoting power input section 2 Screw 1 3 3 3 2 ...

Страница 92: ...while guiding the brine drain hose 3 and the domestic hot water drain hose 4 through the opening in the lower rear panel 2 Removing the lower rear panel 92 Replacing a PCB in the switch box 93 Cleaning the brine filter 98 Cleaning the water filter 100 Replacing the brine flow switch 102 Replacing the water flow sensor 104 Replacing the brine pump 105 Replacing the backup heater 106 Replacing the t...

Страница 93: ...ver on page 89 2 2 2 2 Procedure replacing the A1P PCB Removal 1 Unplug connectors X33A 1 and X85A 2 from the A1P PCB 5 2 Loosen and remove the 2 screws 3 that fix the fixation plate 4 3 Detach the right side of the fixation plate 4 4 Flip the fixation plate 4 5 Unplug all connectors from the A1P PCB 6 Carefully pull the A1P PCB 5 at the right side and unlatch the 11 pcb supports 6 one by one usin...

Страница 94: ...everse order 2 2 2 3 Procedure replacing the A4P PCB Removal 1 Unplug the connectors CN2 3 from the A4P PCB 2 If required note the position of the wires connected to terminals X1 4 1 and YC Y1 4 2 on A4P PCB 4 3 Remove the field connected wiring on terminals X1 4 1 and YC Y1 4 2 on A4P PCB 4 1 X33A 4 Fixation plate 2 X85A 5 A1P PCB 3 Screw 6 PCB support 3 3 4 4 5 6 1 2 ...

Страница 95: ...roceed in reverse order 2 Install the jumper wire on connector CN1 on the A4P PCB 2 2 2 4 Procedure replacing the A8P PCB Removal 1 Unplug connector X80A 1 from the A8P PCB 4 2 If required note the position of the wires connected to terminals X800 3 and X801M 2 on PCB A8P 4 3 Remove the field connected wiring on terminals X800 3 and X801M 2 on PCB A8P 4 4 Carefully pull the PCB A8P 4 at the right ...

Страница 96: ...B Installation 1 Proceed in reverse order 2 2 2 5 Procedure replacing the A9P PCB Removal 1 Unplug all connectors from the A9P PCB 1 2 Loosen and remove the screw 2 that fixes the A9P PCB frame 3 at the bottom 3 Move the A9P PCB frame 3 upwards to unlatch it 4 Remove the A9 PCB frame 3 1 X80A 4 A8P PCB 2 X801 M 5 PCB support 3 X800 1 4 2 3 5 ...

Страница 97: ... A10P PCB 1 2 Loosen and remove the screw 2 that fixes the A10P PCB frame 4 at the bottom 3 Loosen and remove the 2 hex coupling nuts 3 that fix the A10P PCB 1 to the heat sink 5 4 Move the A10P PCB frame 4 upwards to unlatch it 5 Flip the A10P PCB frame 4 to access the tie wrap 6 Cut the tie wrap 6 and remove the A10P PCB 7 Remove the A10 PCB 1 1 A9P PCB 3 Frame 2 Screw 4 Catch CAUTION Before fix...

Страница 98: ...h off the Daikin Altherma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Remove the top panel refer to Removing the top panel on page 88 4 Partially drain the brine circuit refer to Draining the brine circuit on page 86 1 A10P PCB 4 Frame 2 Screw 5 Heat sink 3 Hex coupling nut 6 Tie wrap WARNING All hazardous waste shall be managed in accordance...

Страница 99: ...lter 5 5 Pull the brine filter 5 to remove it from the filter housing 6 Clean the brine filter 5 with water and a soft brush Figure 18 Cleaning the brine filter Installation CAUTION Although the brine circuit is partially drained some brine may be spilled when removing the brine filter Always wipe off spilled brine 1 Velcro strip 4 Clip 2 Brine filter insulation 5 Brine filter 3 Recipient CAUTION ...

Страница 100: ...rma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Remove the top panel refer to Removing the top panel on page 88 4 Partially drain the water circuit refer to Draining the water circuit on page 87 2 2 4 2 Procedure Removal 1 Place a cloth 1 under the water filter 3 2 Remove the clip 2 that fixes the water filter 3 3 Pull the water filter 3 to r...

Страница 101: ...t refer to To fill the space heating circuit in the Daikin Altherma ground source heat pump Installer reference guide 3 Purge the water circuit refer to 9 3 Air purge function on the space heating circuit in the Daikin Altherma ground source heat pump Installer reference guide 1 Cloth 3 Water filter 2 Clip CAUTION Handle the water filter with care Do NOT use excessive force when you reinsert the w...

Страница 102: ...2 Procedure Removal 1 Unplug connector X18A 1 from the A10P PCB 2 2 Attach a pull line 3 of approximately 2 meter to the brine flow switch wire 4 3 Loosen the nut 5 that fixes the brine flow switch 6 4 While guiding the pull line 3 through the grommet 7 pull the brine flow switch wire 4 until the pull line 3 surfaces at the bottom of the Daikin Altherma GSHP 5 Detach the pull line 3 from the brine...

Страница 103: ...the Daikin Altherma ground source heat pump Installer reference guide 1 Connector X18A 5 Nut 2 A10P PCB 6 Brine flow switch 3 Pull line 7 Grommet 4 Brine flow switch wire CAUTION The brine flow switch paddle must be mounted vertically with the wire exiting at the bottom INFORMATION Use the pull line 3 to guide the brine flow switch wire 4 from the bottom of the Daikin Altherma GSHP through the gro...

Страница 104: ... Loosen the 2 nuts 4 that fix the water flow sensor 1 4 Remove the water flow sensor 1 5 Wipe off any spilled water Figure 23 Replacing the water flow sensor Installation 1 Proceed in reverse order 2 Fill the water circuit refer to To fill the space heating circuit in the Daikin Altherma ground source heat pump Installer reference guide 3 Purge the water circuit refer to 9 3 Air purge function on ...

Страница 105: ...the heat pump module front side only Opening the sound insulation of the heat pump module front side only on page 89 5 Drain the brine circuit refer to Draining the brine circuit on page 86 2 2 7 2 Procedure Removal 1 Unplug the connector X77A 5 from the A9P PCB 2 2 Unplug the 2 Faston connectors from brine pump relay K6M terminals 3 4 4 3 Loosen and remove the screw 1 that fixes the brine pump gr...

Страница 106: ...rma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Remove the switch box cover refer to Removing the switch box cover on page 89 4 Unlock the power input section refer to Unlocking the pivoting power input section on page 90 5 Drain the water circuit refer to Draining the water circuit on page 87 1 Screw 6 Brine pump wire 2 A9 PCB 7 Nut 3 Brine ...

Страница 107: ...omestic hot water circuit 6 Remove the backup heater 8 water pump 7 pressure relief valve 5 and the corrugated pipe 2 from the Daikin Altherma GSHP and lay it on a support 9 Figure 25 Replacing the backup heater 1 INFORMATION Note the position of the backup heater water pump pressure relief valve and the corrugated pipe After installation of the backup heater it must be possible to remove the ther...

Страница 108: ...p heater 6 13 Remove the seal 7 Figure 26 Replacing the backup heater 2 Installation 1 Proceed in reverse order 2 Fill the water circuit refer to To fill the space heating circuit in the Daikin Altherma ground source heat pump Installer reference guide 3 Purge the water circuit refer to 9 3 Air purge function on the space heating circuit in the Daikin Altherma ground source heat pump Installer ref...

Страница 109: ...ermal protector backup heater 3 out of the backup heater 7 3 Loosen and remove the 2 screws 4 that fix the thermal protector backup heater bracket 5 4 Loosen and remove the 2 screws 6 that fix the thermal protector backup heater 3 5 Remove the wiring from the wire terminals 8 of the thermal protector backup heater 3 6 Remove the thermal protector backup heater 3 while guiding the capillary 2 throu...

Страница 110: ...refer to Unlocking the pivoting power input section on page 90 2 Loosen the lower nut 1 from the corrugated pipe 2 3 Remove the seal 3 from the corrugated pipe 2 4 Loosen the nut 4 that fixes the water manometer capillary to the water pressure relief valve 5 5 Remove the seal 5 from the water manometer connection 6 Remove the clip 6 that fixes the backup heater 8 to the domestic hot water circuit ...

Страница 111: ...ve 2 to the corrugated pipe 10 12 Remove the seal 5 from the nut 6 13 Loosen the nut 7 that fixes the water expansion vessel hose 12 to the water pressure relief valve 9 14 Screw the water pressure relief valve 9 with coupling 11 from the water drain 12 15 Remove the water pressure relief valve 9 with coupling 11 1 Lower nut 6 Clip 2 Corrugated pipe 7 Water pump 3 Seal 8 Backup heater 4 Nut 9 Supp...

Страница 112: ...threads of the coupling with a scraper and a brush Figure 30 Replacing the water pressure relief valve 3 1 Thermal protector backup heater 7 Nut water expansion vessel 2 Backup heater 8 Water pressure relief valve corrugated pipe 3 Water pump 9 Water pressure relief valve 4 Nut 10 Corrugated pipe 5 Seal 11 Coupling 6 Nut corrugated pipe 12 Water drain 1 Coupling 4 Glue remainder 2 Nut 5 Seals 3 Wa...

Страница 113: ... the insulation will be re used during installation 2 Loosen the upper nut 3 that fixes the brine pressure relief valve 2 3 Loosen the lower nut 4 that fixes the brine pressure relief valve 3 4 Remove the seals 9 from the upper and lower nuts 3 4 5 Loosen the nut 7 that fixes the brine expansion vessel hose 10 to the brine pressure relief valve 2 6 Screw the brine pressure relief valve 2 with coup...

Страница 114: ...2 0 Ground source heat pump Figure 31 Replacing the brine pressure relief valve 1 1 Insulation 7 Nut brine expansion vessel 2 Brine pressure relief valve 8 Nut drain hose 3 Upper nut 9 Seal 4 Lower nut 10 Brine expansion vessel hose 5 Nut 11 Brine drain 6 Coupling 1 2 3 5 6 4 7 6 2 8 9 ...

Страница 115: ...Daikin Altherma GSHP via the user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Remove the switch box cover refer to Removing the switch box cover on page 89 4 Unlock the power input section refer to Unlocking the pivoting power input section on page 90 5 Drain the water circuit refer to Draining the water circuit on page 87 1 Coupling 4 Glue remainder 2 Nut 5 S...

Страница 116: ...A1P PCB 2 6 Unplug connector X16A 3 from the A1P PCB 2 7 Loosen and remove the screw 4 that fixes the water pump ground wire 5 to the chassis 8 Guide the connectors through the grommet 6 9 Release the water pump wires 7 from the cable guide 8 10 Remove the water pump wires 7 from behind the switch box INFORMATION Note the position of the backup heater water pump pressure relief valve and the corru...

Страница 117: ...e corrugated pipe 3 14 Loosen the nut 5 that fixes the water manometer capillary to the water pressure relief valve 6 15 Remove the clip 7 that fixes the backup heater 9 to the domestic hot water circuit 16 Remove the backup heater 9 water pump 8 water pressure relief valve 6 and the corrugated pipe 3 from the Daikin Altherma GSHP and lay it on a support 10 1 X25A 5 Water pump ground wire 2 A1P PC...

Страница 118: ...ter pump 3 17 Loosen the nuts 1 that fix the water pump 3 to the pressure relief valve 18 Remove the water pump 3 19 Remove the seals 2 from the nuts 1 1 Pivoting power input section 6 Water pressure relief valve 2 Lower nut 7 Clip 3 Corrugated pipe 8 Water pump 4 Seal 9 Backup heater 5 Nut water manometer 10 Support 7 1 10 9 8 4 3 4 2 5 ...

Страница 119: ...Switch off the Daikin Altherma GSHP via the user interface 2 Open the front sound insulation refer to Opening the sound insulation of the heat pump module front side only on page 89 3 Remove the lower rear panel refer to Removing the lower rear panel on page 92 4 Recover the refrigerant refer to Refrigerant Handling on page 86 5 Place the water expansion vessel next to the Daikin Altherma GSHP ref...

Страница 120: ...2 3 Open the sound insulation 3 at the rear of the heat pump module by pulling the velcro strips 4 4 From the rear side pull the velcro strip 5 of the compressor top insulation Figure 38 Replacing the compressor 1 5 From the front side release the 3 velcro strips 1 on the compressor insulation 3 and open the compressor insulation 3 1 Screw 4 Velcro strip 2 Bracket 5 Velcro strip compressor 3 Sound...

Страница 121: ...or 2 6 From the rear side remove the compressor insulation 7 Remove the compressor wiring cover 1 8 Unplug the 3 wires 2 3 4 from the compressor Figure 40 Replacing the compressor 3 1 Velcro strip 3 Compressor 2 Compressor insulation 1 Compressor wiring cover 3 White wire V terminal 2 Red wire U terminal 4 Blue wire W terminal 1 1 1 2 3 1 2 3 4 ...

Страница 122: ...1 Replacing the compressor 4 Installation CAUTION Use welding blankets and cooling clamps to protect the components that surround the compressor Cut the compressor refrigerant pipes as close to the compressor as possible to be able to re use the existing copper piping when brazing the new compressor 1 Compressor input pipe 3 Compressor 2 Compressor output pipe 4 Screw CAUTION When brazing the comp...

Страница 123: ...ing the water circuit on page 87 2 2 14 2 Procedure Removal 1 Loosen but do not remove the 2 screws 1 that fix the water expansion vessel upper support 2 2 Lift the water expansion vessel 2 and tilt it to the left 3 Remove the water expansion vessel 2 from the water expansion vessel lower support 4 and put it aside 4 Loosen the nut 5 that fixes the flexible hose 5 Remove the water expansion vessel...

Страница 124: ...Preliminary actions 1 Switch off the Daikin Altherma GSHP via the user interface 2 Remove the lower rear panel refer to Removing the lower rear panel on page 92 2 2 15 2 Procedure Removal 1 Loosen but do not remove the 2 screws 1 that fix the upper brine expansion vessel support 2 2 Remove the brine expansion vessel 4 from the lower brine expansion vessel support 3 and put it aside 3 Loosen the nu...

Страница 125: ...emove the top panel refer to Removing the top panel on page 88 4 Remove the switch box cover refer to Removing the switch box cover on page 89 2 2 16 2 Procedure Removal 1 Unplug connectors X33A 1 and X85A 2 from the A1P PCB 3 2 Loosen and remove the 2 screws 4 that fix the fixation plate 5 3 Detach the right side of the fixation plate 5 4 Flip the fixation plate 5 CAUTION If damaged replace the s...

Страница 126: ...e 3 way valve motor wire 4 7 While pulling the 3 way valve motor wire 4 guide the connectors on the 3 way valve motor wire 4 through the grommet 8 Pull the 3 way valve motor wire 4 until the pull line 5 appears at the 3 way valve 9 Detach the pull line 5 from the 3 way valve motor wire 4 Figure 45 Replacing the 3 way valve motor 2 1 X33A 4 Screw 2 X85A 5 Fixation plate 3 A1 PCB 1 X20A 4 3 way valv...

Страница 127: ...ve body 2 Figure 47 Replacing the 3 way valve motor 3 Installation 1 Check the position of the notch 3 in the 3 way valve axle 2 2 If required manually adjust the 3 way valve axle 2 to align the notch with the 3 way valve motor 1 3 way valve knob 3 Screw 2 3 way valve motor 1 3 way valve motor 2 3 way valve body CAUTION When mounting the 3 way valve motor on the 3 way valve body the 3 way valve ax...

Страница 128: ...e user interface 2 Remove the front panel refer to Removing the front panel on page 85 3 Remove the top panel refer to Removing the top panel on page 88 4 Drain the water circuit refer to Draining the water circuit on page 87 5 Separate the 3 way valve motor from the 3 way valve refer to Replacing the 3 way valve motor on page 125 2 2 17 2 Procedure Removal 1 Remove the 3 clips 2 from the 3 way va...

Страница 129: ...o Removing the switch box cover on page 89 4 Drain the water circuit refer to Draining the water circuit on page 87 5 Remove PCB A10P refer to Procedure replacing the A10P PCB on page 97 2 2 18 2 Procedure Removal 1 Loosen the nut 2 and remove the manometer capillary 3 from the water pressure relief valve 2 Press the water manometer 1 out of the water manometer support 6 1 3 way valve body 2 Clip ...

Страница 130: ...pillary 3 is attached with a tie wrap 4 to allow the nut 2 to pass 4 Guide the manometer capillary 3 through the opening in the water manometer support 6 Figure 50 Replacing the water manometer 1 1 Water manometer 5 Switch box opening 2 Nut water manometer capillary 6 Water manometer support 3 Manometer capillary 7 Insulation 4 Tie wrap CAUTION The water manometer capillary is wrapped 1 with insul...

Страница 131: ...Remove the top panel refer to Removing the top panel on page 88 3 Remove the switch box cover refer to Removing the switch box cover on page 89 4 Drain the water circuit refer to Draining the water circuit on page 87 5 Remove PCB A10P refer to Procedure replacing the A10P PCB on page 97 2 2 19 2 Procedure Removal 1 Partially remove the insulation from the brine pressure relief valve to gain access...

Страница 132: ...th a tie wrap 4 to allow the capillary nut to pass 6 Guide the manometer capillary 3 through the opening in the brine manometer support 7 Figure 52 Replacing the brine manometer INFORMATION The manometer capillary 3 is held in position by 2 tie wraps 4 5 one tie wrap 5 will be cut Press the insulation at the position of the tie wrap 4 to release the capillary the same tie wrap 4 will be used when ...

Страница 133: ...er to Removing the switch box cover on page 89 3 Open the Sound Insulation of the heat pump module front side only Opening the sound insulation of the heat pump module front side only on page 89 2 2 20 2 Procedure Removal 1 Remove the motor 1 from the expansion valve 2 Cut the 2 tie wraps 2 3 Slide the insulation 3 downwards 4 Remove temperature sensor R4T 4 from its support refer to Replacing a t...

Страница 134: ...e electronic expansion valve K1E body 1 5 Use a welding blanket 1 to protect the components that surround the expansion valve body 6 Place 2 wet cooling clamps 2 on the expansion valve body 3 7 Braze the expansion valve body piping and remove the expansion valve 1 Expansion valve electromagnet 3 Insulation 2 Tie wraps 4 R4T 1 2 2 4 3 ...

Страница 135: ...ove the front panel refer to Removing the front panel on page 85 2 Remove the switch box cover refer to Removing the switch box cover on page 89 3 Open the Sound Insulation of the heat pump module front side only Opening the sound insulation of the heat pump module front side only on page 89 1 Welding blanket 3 Expansion valve body 2 Cooling clamp CAUTION Use welding blankets to protect the compon...

Страница 136: ...ectronic expansion valve wire 4 Figure 55 Replacing the electronic expansion valve K1E electromagnet 6 Cut the tie wrap 2 7 Remove the expansion valve electromagnet 1 from the electronic expansion valve 8 Remove the expansion valve electromagnet 1 INFORMATION The electronic expansion valve electromagnet is replaced together with the electronic expansion valve electromagnet wire To facilitate the i...

Страница 137: ...g the switch box cover on page 89 3 Open the front sound insulation refer to Opening the sound insulation of the heat pump module front side only on page 89 4 Remove the lower rear panel refer to Removing the lower rear panel on page 92 5 Recover the refrigerant refer to Refrigerant Handling on page 86 6 Place the brine expansion vessel next to the Daikin Altherma GSHP refer to Replacing the brine...

Страница 138: ...c expansion valve wire 4 Figure 57 Replacing the refrigerant high pressure sensor 1 1 Loosen and remove the 4 screws 1 that fix the bracket 2 on the rear side 2 Remove the bracket 2 3 Open the sound insulation 3 at the rear of the heat pump module by pulling the velcro strips 4 4 From the rear side pull the velcro strip 5 of the compressor top insulation INFORMATION The refrigerant high pressure s...

Страница 139: ...Replacing the refrigerant high pressure sensor 3 6 From the rear side remove the compressor insulation 7 Use a welding blanket 1 to protect the components that surround the refrigerant high pressure sensor 2 8 Place 2 wet cooling clamps 3 on the refrigerant high pressure sensor 2 body 9 Braze the refrigerant high pressure sensor piping 1 Screw 4 Velcro strip 2 Bracket 5 Velcro strip compressor 3 S...

Страница 140: ...page 89 2 2 23 2 Procedure Removal 1 Unplug connector X32A 1 from the A10P PCB 2 2 Attach a pull line 4 of approximately 2 meter to the refrigerant high pressure switch wire 3 3 Cut the tie wraps 5 4 While guiding the pull line 4 pull the refrigerant high pressure switch wire 3 until the pull line 4 surfaces at the heat pump module 1 Welding blanket not illustrated 3 Cooling clamp not illustrated ...

Страница 141: ... insulation 3 at the rear of the heat pump module by pulling the velcro strips 4 4 From the rear side pull the velcro strip 5 of the compressor top insulation Figure 62 Replacing the refrigerant high pressure switch 2 5 From the front side release the 3 velcro strips 1 on the compressor insulation 2 and open the compressor insulation 2 1 X32A 4 Pull line not illustrated 2 A10 PCB 5 Tie wraps not i...

Страница 142: ...round the refrigerant high pressure sensor 2 8 Place 2 wet cooling clamps 3 on the refrigerant high pressure sensor 2 body 9 Braze the refrigerant high pressure sensor piping 10 Remove the refrigerant high pressure sensor 2 Figure 64 Replacing the refrigerant high pressure sensor 3 Installation 1 Proceed in reverse order 1 Velcro strip 3 Compressor 2 Compressor insulation 1 Welding blanket not ill...

Страница 143: ...witch box cover refer to Removing the switch box cover on page 89 2 2 24 2 Procedure The position of all thermistors except R1T out and R10T is illustrated in Thermistor location on page 143 Figure 65 Thermistor location 1 R1T in 6 R4T in 2 R2T in 7 R4T out 3 R2T out 8 R5T in 4 R3T in 9 R5T out 5 R3T out 10 R6T out 3 2 1 6 9 5 10 8 4 7 WATER LEAVING space heating BRINE LEAVING DOMESTIC HOT WATER O...

Страница 144: ...vessel refer to Replacing the water expansion vessel on page 123 R4T in inlet water A1P X8A 5 6 R5T in domestic hot water tank A1P X9A 1 2 Turn the pivoting power input section open domestic hot water tank insulation R1T out ambient air A9P X5M 11 12 Outdoor sensor R2T out discharge A9P X12A 1 2 These 4 thermistors must be replaced together Access via front of heat pump module for R3T R4T and R5T ...

Страница 145: ... to Procedure replacing the A10P PCB on page 97 2 2 25 2 Procedure Removal 1 Loosen and remove the 5 screws 1 that fix PCB A10P 3 to the frame 4 2 Loosen and remove the 2 screws 2 that fix the heatsink to the frame 4 3 Unplug connector X111A 6 on the A10P PCB 3 4 Press the latch 5 and remove the A10P PCB 3 from the frame 4 5 Put the PCB A10P 3 upside down on a clean surface 1 Clip 3 Sensor holder ...

Страница 146: ...ature sensor R10T 6 Cut the tie wrap 1 that fixes the RT10T 3 7 Loosen and remove the screw that fixes RT10T 3 to the heatsink 4 8 Remove RT10T 3 1 Screw 4 Frame 2 Screw 5 Latch 3 A10P PCB 6 X111A CAUTION Do not touch the heat sink Keep the heat sink compound clean to ensure good thermal contact after re installation 1 4 1 5 3 1 2 1 1 2 6 ...

Страница 147: ...69 Replacing temperature sensor R10T Installation 1 Proceed in reverse order 1 Tie wrap 3 R10T 2 Screw 4 Heat sink with heat conductive paste CAUTION If required additional heat conductive paste can be applied to ensure good heat transfer between the heat sink and A10P PCB part number heat sink compound 9993008P 1 4 2 3 ...

Страница 148: ...ESIE13 03 Part 3 Repair 2 Unit specific repair procedures Page 148 13 05 15 Version 2 0 Ground source heat pump ...

Страница 149: ...ater tank Filters Draining of the Domestic Hot Water tank Anode Descaling and chemical disinfection Switch box 2 Maintenance procedures The following procedures describe how to perform the maintenance on each items 2 1 Checking fluid pressure of Space Heating and brine circuit WARNING Before performing any maintenance power off the unit INFORMATION After all checks are made make sure the water and...

Страница 150: ...k if brine leakage is noticeable inside this enclosed volume Actions Remarks Check whether the pressure relief valve hose is positioned appropriately to drain the water Actions Remarks Open the valve and check the correct operation If the fluid flow is high no blockage is suspected If the fluid flow is low or contains debris or dirt Open the valve until fluid is without dirt Flush the system and i...

Страница 151: ...cold water inlet Make sure that all taps and air vent are open otherwise the tank might be sucked vacuum and the water will not move WARNING Discharged fluid may be very hot Actions Remarks Follow the actions in below picture The filters are located on top of the unit They are horizontally installed so there is a possibility that some fluid comes out when removing the filter cartridges Use a small...

Страница 152: ...nsfer For this reason descaling of the heat exchanger may be required at certain intervals If the applicable legislation requires a chemical disinfection in specific situations involving the domestic hot water tank please be aware that the domestic hot water tank is a stainless steel cylinder containing an aluminium anode We recommend to use a non chloride based disinfectant approved for use with ...

Страница 153: ...ESIE13 03 Part 5 Appendix 1 Field settings 13 05 15 Version 2 0 Page 153 Ground source heat pump Part 5 Appendix 1 Field settings For more information refer to table on next pages ...

Страница 154: ...ettings table Installer setting at variance with default value Comfort heating Eco heating Comfort heating Eco heating This setting is not applicable for this unit Do not change the default value Breadcrumb Field code Setting name Range step Default value Date Value Field settings table Installer setting at variance with default value A 3 1 2 2 2 9 06 Temperature range Maximum temp heating R W 37 ...

Страница 155: ...ings table Installer setting at variance with default value A 8 4 07 R W 0 No 1 Yes A 8 4 08 R W 0 No limitation 1 Continuous 2 Digital inputs A 8 4 09 R W 0 Current 1 Power A 8 4 0B R W 1 A 8 4 0D R W 3 A 8 5 00 R W 0 Allowed 1 Not allowed A 8 5 01 R W 15 35 C step 1 C 0 C A 8 5 02 R O 0 A 8 5 03 R W 0 A 8 5 04 R W 10 A 8 5 05 R W 0 50 A step 1 A 50 A A 8 5 06 R W 0 50 A step 1 A 50 A A 8 5 07 R ...

Страница 156: ... 8 E 00 R O 5 Ground source A 8 E 01 R O 1 16 A 8 E 02 R O 1 Type 2 A 8 E 03 R O 2 A 8 E 04 R O 0 No A 8 E 05 R W 1 A 8 E 06 R O 1 A 8 E 07 R O 1 A 8 E 08 R O 0 A 8 E 09 R W 0 A 8 E 0A R O 0 A 8 F 00 R W 0 Disabled 1 Enabled A 8 F 01 R W 20 A 8 F 02 R W 3 A 8 F 03 R O 5 A 8 F 04 R W 0 A 8 F 05 R W 0 A 8 F 06 R W 0 A 8 F 09 R W 0 Disabled 1 Enabled A 8 F 0A R W 0 A 8 F 0B R W 0 No 1 Yes A 8 F 0C R ...

Страница 157: ...Wh meter 1 External kWh meter 2 BUH type Preferential kWh rate Unit control method Number of LWT zones Pump operation mode Power saving possible Field settings table Installer setting at variance with default value Comfort heating Eco heating Comfort heating Eco heating Setting name Comfort heating Eco heating Storage comfort Storage eco Reheat Unit type Compressor type Indoor software type 4P3593...

Страница 158: ... curve Priority This setting is not applicable for this unit Do not change the default value GSQH10S18AA9W 4P359382 1D 2015 02 Breadcrumb Field code Range step Default valu e Date Value Field settings table Installer setting at variance with default value Setting name A 8 3 00 R W 0 No 1 Yes A 8 3 01 0 A 8 3 02 1 A 8 3 03 4 A 8 3 04 2 A 8 3 05 1 A 8 3 06 R W 18 30 C step A 3 2 4 30 C A 8 3 07 R W ...

Страница 159: ...prefer kWh rate PS is cut Bivalent hysteresis temperature What is the thermo request contact type for the main zone What is the thermo request contact type for the add zone What is the unit control method in space operation Which type of external sensor is installed What is the required alarm output contact type Is an external backup heat source connected Bivalent activation temperature Maximum he...

Страница 160: ...ESIE13 03 Part 5 Appendix 2 Wiring diagrams Page 160 13 05 15 Version 2 0 Ground source heat pump 2 Wiring diagrams 2 1 Wiring diagram 1 Figure 76 Wiring diagram 1 switchbox layout 0 ...

Страница 161: ...ESIE13 03 Part 5 Appendix 2 Wiring diagrams 13 05 15 Version 2 0 Page 161 Ground source heat pump 2 2 Wiring diagram 2 Figure 77 Wiring diagram 2 PCB A1P A2P A4P A8P ...

Страница 162: ...ESIE13 03 Part 5 Appendix 2 Wiring diagrams Page 162 13 05 15 Version 2 0 Ground source heat pump 2 3 Wiring diagram 3 Figure 78 Wiring diagram 3 PCB A1P WATER PUMP ...

Страница 163: ...ESIE13 03 Part 5 Appendix 2 Wiring diagrams 13 05 15 Version 2 0 Page 163 Ground source heat pump 2 4 Wiring diagram 4 Figure 79 Wiring diagram 4 PCB A9P A10P Supply BRINE PUMP Brine flow switch ...

Страница 164: ... FIELD SUPPLIED FIELD SUPPLIED FIELD SUPPLIED NRV Depicted is example for complete installation requirements refer to installation manual t indoor t indoor M VALVE FILTER FILTER t outdoor t R6T drain OFF VALVE SHUT OFF VALVE To ground loop To Space Heating Circuit FILL VALVE drain drain heat sink inverter PCB EXPANSION VESSEL PLATE HEAT EXCHANGER Condenser PLATE HEAT EXCHANGER Evaporator Descripti...

Страница 165: ...n valve water DR3 11 Expansion valve 12 Air purge valve 13 Brine filter 14 Water filter 15 Cooling element inverter heat sink 16 Flow sensor 17 Flow switch 18 Brine pump 19 Water pump 20 Back up heater 21 Drain valve brine DR2 22 Plate type heat exchanger evaporator 23 Plate type heat exchanger condensor 24 Compressor 25 Muffler 26 Check valve 27 Refrigerant filter 28 3 Way valve 29 Drain valve ta...

Страница 166: ...UT WATER ENTERING space heating BRINE ENTERING DOMESTIC COLD WATER IN 1 R1T IN Outlet water temperature sensor 2 R2T IN BUH Temperature sensor 3 R2T OUT Discharge sensor 4 R3T IN Refrigerant liquid temperature sensor 5 R3T OUT Suction sensor 6 R4T IN Inlet water temperature sensor 7 R4T OUT Two phase sensor 8 R5T IN DHW Tank temperature sensor 9 R5T OUT Brine entering water 10 R6T OUT Brine leavin...

Страница 167: ...tion additional information is required Please fill out the following form before contacting your distributor FIELD INFORMATION REPORT Key person info Name Company name Your contact details Phone number E mail address Site address Your reference Date of visit Claim info Title Problem description Error code Trouble date Problem frequency Investigation steps done Current situation solved not solved ...

Страница 168: ...ersion hydro PCB Software version user interface Software version outdoor PCB Minimum water volume Maximum water volume Brine composition and mixture Brine freeze up temperature Space heating control leaving water temperature room thermostat ext room thermostat Space heating setpoint Domestic hot water control reheat only schedule only reheat schedule Domestic hot water setpoint Provide pictures o...

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