INSTALLATION MANUAL
Contents
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5. Valve cap Gas pipe 6 4 mm 1 4 21 6 27 4 Nem 15 9 mm 5 8 44 1 53 9 Nem Service port cap tightening torque 10 8 14 7 Installation manual DAIKIN ERHQ006 008ADV3 9 Outdoor unit for air to water heat pump 4PW52841 1 Refrigerant piping work Pipe handling guidelines B Protect the open end of the pipe against dust and moisture m All pipe bends should be as gentle as possible Use a pipe bender for bending Bending radius should be 30 to 40 mm or larger yl i uli wy Ce Selection of copper and heat insulation materials When using commercial copper pipes and fittings observe the 1 following B Insulation material polyethylene foam Heat transfer rate 0 041 to 0 052 W mK 0 035 to 0 045 kcal 2 mh C Refrigerant gas pipe s surface temperature reaches 110 C max Choose heat insulation materials that will withstand this temperature 3 Be sure to insulate both the gas and liquid piping and to provide insulation dimensions as below All refrigerant pipe joints should be tightened with a torque wrench at the specified tightening torque See Connecting the refrigerant piping to the outdoor unit on page 4 for details 1 4 8 1 Pressure meter Gauge manifold Low pressure valve 2 6 Lo 3 4 High pressure valve 10 Hi 5 5 Charging hoses 6 Vacuum pump 7 Service port 6 00 5 8 Valve l
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7. DAIKIN Installation manual 7 TEST RUN AND FINAL CHECK NOTE Remark that during the first running period of the unit required power input may be higher than stated on the nameplate of the unit This phenomenon originates from the compressor that needs elapse of a 50 hours run in period before reaching smooth operation and stable power consumption Trial operation and testing 1 Measure the voltage at the primary side of the safety breaker Check that it is 230 V Carry out the test operation in accordance with the indoor installation manual and operation manual to ensure that all functions and parts are working properly NOTE The unit requires a small amount of power in its standby mode If the system is not to be used for some time after installation shut off the circuit breaker to eliminate unnecessary power consumption B f the circuit breaker trips to shut off the power to the outdoor unit the system will restore the original operation mode when the power supply is restored Items to check Check Symptom Outdoor unit is installed properly on solid base Fall vibration noise No refrigerant gas leaks Incomplete cooling heating function Refrigerant gas and liquid pipes are thermally insulated Water leakage System is properly earthed Electrical leakage The specified wires are used for interconnecting wire connections
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9. 75 A per phase Installation manual DAIKIN ERHQ006 008ADV3 9 Outdoor unit for air to water heat pump 4PW52841 1 Procedure 1 Strip the insulation from the wire 20 mm 2 Connect the connection wires between the indoor and outdoor units so that the terminal numbers match see wiring diagram below Tighten the terminal screws securely We recommend a flathead screwdriver to tighten the screws See also caution 2 under Notes to observe on page 7 for wiring guidelines 1 gt 50 Hz E lt 230 V HOSVV 1 9 4 5 1 Interconnection between indoor unit and outdoor unit when wire length exceeds 10 m use 02 5 mm wires instead of 1 5 mm wires 2 Power supply cable refer to the unit nameplate for maximum running current Earth 4 Safety breaker Earth leakage circuit breaker 3 Earth terminal installation NOTE This unit must be earthed qz For earthing follow the applicable local standard for electrical installations B Use the following method when installing single core wires 32 AA 1 1 Single core wire 2 Screw 3 Flat washer m Use the following method when using round crimp style terminals DE Nell m 1 Round crimp style terminal 2 Screw 3 Flat washer 4 Pul the connected wire and make sure that it does not disconnect Then fix the
10. AND INFORMATION Install covers over the wires Incomplete cover installation may cause terminal overheating electrical shock or fire f any refrigerant has leaked out during the installation SAFETY PRECAUTIONS work ventilate the room The refrigerant produces a toxic gas if exposed to W This manual classifies the precautions into WARNING and flames CAUTION Be sure to follow all the precautions below they are I After all installation is complete check to make sure all important for ensuring safety that refrigerant is leaking Failure to follow any of WARNING is likely to result in such The refrigerant produces a toxic gas if exposed to A grave consequences as death or serious injury flames Failure to follow any of CAUTION may in some cases result a When installing or relocating the system be sure to keep the refrigerant circuit free from substances other than the specified in grave consequences refrigerant R410A such as air WI following safety symbols are used throughout this manual Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture resulting in o Be sure to observe this instruction injury m During pump down operation stop the compressor before removing the refrigerant piping Be sure to establish an earth connection 9 9 f P ping If the compressor is still running and the stop valve is open during pump down air will be sucked in wh
11. Inoperative or burn damage Outdoor unit air intake and exhaust is free of obstructions Stop valves are opened Incomplete cooling heating function NOTE Have the customer actually operate the unit while M t looking at the manual included with the indoor unit Instruct the customer how to operate the unit correctly PUMP DOWN OPERATION In order to protect the environment be sure to pump down when relocating or disposing of the unit The pump down operation will extract all refrigerant from the piping into the outdoor unit Pump down procedure 1 Remove the valve lid from liquid stop valve and gas stop valve 2 Carry out the forced cooling operation 3 After 5 to 10 minutes after only 1 or 2 minutes in case of very low ambient temperatures 10 C close the liquid stop valve with a hexagonal wrench 4 After 2 3 minutes close the gas stop valve and stop forced cooling operation 2s 1 Gas stop valve 7 2 Close 3 Hexagonal wrench TTK 4 dU 4 5 Liquid stop valve Pe 4 Forced cooling operation 1 Press the forced operation switch SW1 to begin forced cooling 2 Press the forced operation switch SW1 again to stop forced cooling 1 Forced operation switch SW1 NOTE Take care that while running forced cooling operation the water temperature remains higher than 5 C see t
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13. wires in place in the wire clamp See also Notes to observe on page 7 Notes to observe Observe the notes mentioned below when wiring to the power supply terminal board m Use the specified wire type and connect it securely 1 B Firmly secure the wire clamp so that wire terminations do not receive external stress 2 B Shape wires so that the service cover and stop valve cover fit securely 3 CAUTION 1 n case the use of stranded conductor wires is unavoidable for one reason or another make sure to install round crimp style terminals on the tip Place the round crimp style terminal on the wire up to the covered part and fasten the terminal with the appropriate tool 1 Stranded conductor wire 2 Round crimp style terminal 2 When connecting the connection wires to the terminal board using a single core wire be sure to perform curling OO Let OP eles 4 Not executing the connections properly may cause heat and fire Strip the wire at terminal block OK 1 Strip wire end to this point 2 Excessive strip length may cause electrical shock or leakage ERHQ006 008ADV3 9 Outdoor unit for air to water heat pump 4PW52841 1
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15. actice Di 8 Insufficient capacity or incomplete electrical work may cause ISMOSAITEGUING MME MS eee or fire Be sure to use a dedicated power circuit Never use a power T READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY PLACE FOR FUTURE REFERENCE IMPROPER INSTALLATION OR ATTACHMENT OF EQUIPMENT OR ACCESSORIES COULD RESULT IN ELECTRIC SHOCK SHORT CIRCUIT LEAKS FIRE OR OTHER DAMAGE TO THE EQUIPMENT BE SURE ONLY TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE SPECIFICALLY DESIGNED FOR USE WITH THE EQUIPMENT AND HAVE THEM INSTALLED BY A PROFESSIONAL circuit shared by another appliance For wiring use a cable long enough to cover the entire distance with no connection Do not use an extension cord Do not put other loads on the power supply use a dedicated power circuit Failure to do so may cause abnormal heat electric shock or fire Use the specified types of wires for electrical connections between the indoor and outdoor unit Firmly clamp the interconnecting wires so that their terminals receive no external stress Incomplete connections or clamping may cause terminal overheating or fire m After connecting the interconnecting and supply wiring be sure IF UNSURE OF INSTALLATION PROCEDURES OR USE to shape the cables so that they do not put undue force on the ALWAYS CONTACT YOUR DAIKIN DEALER FOR electrical covers or panels ADVICE
16. assage and no obstructions around the air inlet and the air outlet B The site must be free from the possibility of flammable gas leakage in a nearby place Locate the unit so that the noise and the discharged hot air will not annoy the neighbours B Install units power cords and inter unit cables at least 3 m away from television and radio sets This is to prevent interference to images and sounds m Depending on radio wave conditions electromagnetic interference may still occur even if installed more than 3 m away B in coastal areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the outdoor unit B Since drain flows out of the outdoor unit do not place anything under the unit which must be kept away from moisture NOTE Units cannot be installed hanging from ceiling or stacked Selecting a location in cold climates CAUTION When operating the outdoor unit in a low outdoor ambient temperature be sure to follow the instructions described below Drain socket Optional kit B Possible options Bottom plate heater Optional kit ERHQ V3 ERHQ V39 Standard Use prohibited 1 Combination of both options is prohibited To prevent exposure to wind install the outdoor unit with its suction side facing the wall B Never install the outdoor unit at a site where the suction side may be exposed directly to wind To prev
17. d greenhouse gases may require to provide the appropriate official national language on the unit Therefore an additional multilingual fluorinated greenhouse gases label is supplied with the unit Sticking instructions are illustrated on the backside of that label Re charging In case re charging is required refer to the nameplate of the unit The nameplate states the type of refrigerant and necessary amount Charging additional refrigerant If the total length of refrigerant piping exceeds 10m in length additionally charge with 20g of refrigerant R410A for each additional meter of piping Determine the weight of refrigerant to be charged additionally and fill in the amount in the service sticker on the rear side of the stop valve cover Precautions when adding R410A m Be sure to charge the specified amount of refrigerant in liquid state to the liquid pipe Since this refrigerant is a mixed refrigerant adding it in gas form may cause the refrigerant composition to change preventing normal operation B Before charging check whether the refrigerant cylinder is equipped with a siphon tube or not the cylinder should be marked with liquid filling siphon attached or something similar Charge the liquid refrigerant with the cylinder in upright position Charge the liquid refrigerant with the cylinder in up side down position m Be sure to use tools exclusively for R410A to ensure required pressure resistance a
18. dity conditions In such conditions the ERHQ V3 models may experience problems with severe ice build up on the aircooled coil In case such conditions are expected the ERHQ V39 must be installed instead These models contain countermeasures to prevent freeze up insulation a bottom plate heater ACCESSORIES m Accessories supplied with the outdoor unit Installation manual 1x Fluorinated greenhouse gases label 1x Multilingual fluorinated greenhouse gases label be INSTALLATION GUIDELINES Precautions for selecting the location WARNING m Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals EB Small animals making contact with electrical parts can cause malfunctions smoke or fire Please instruct the customer to keep the area around the unit clean B The equipment is not intended for use in a potentially explosive atmosphere B Choose a place solid enough to bear the weight and vibration of the unit where the operation noise will not be amplified B Choose a location where the hot air discharged from the unit or the operation noise will not cause a nuisance to the neighbours of the user m Avoid places near a bedroom and the like so that the operation noise will cause no trouble m There must be sufficient space for carrying the unit into and out of the site m There must be sufficient space for air p
19. emperature read out of the indoor unit You can achieve this for example by activating all fans of the fan coil units DISPOSAL REGUIREMENTS Dismantling of the unit treatment of the refrigerant of oil and of other parts must be done in accordance with relevant local and national legislation Installation manual DAIKIN ERHQ006 008ADV3 9 Outdoor unit for air to water heat pump 4PW52841 1 DAIKIN EUROPE N V Zandvoordestraat 300 B 8400 Oostende Belgium 4PW52841 1 00000007 Copyright Daikin 4PW52841 1
20. en the refrigerant Q Never attempt piping is removed causing abnormal pressure in the freezer cycle which will lead to breakage and even to injury ERHQ006 008ADV3 9 DAIKIN Installation manual Outdoor unit for air to water heat pump 4PW52841 1 B During installation attach the refrigerant piping securely before running the compressor If the compressor is not attached and the stop valve is open during pump down air will be sucked in when the compressor is running causing abnormal pressure in the freezer cycle which will lead to breakage and even to injury B Be sure to establish an earth Do not earth the unit to a utility pipe surge absorber or telephone earth Incomplete earth may cause electrical shock A high surge current from lightning or other sources may cause damage to the outdoor unit B Be sure to install an earth leakage circuit breaker Failure to do so may cause electrical shock Cautions EB not install the outdoor unit in a place where there is danger of exposure to inflammable gas leakage S If the gas leaks and builds up around the unit it may catch fire Tighten the flare nut according to the specified method such as with a torque wrench If the flare nut is tightened too hard the flare nut may crack after a long time and cause refrigerant leakage MODEL ERHQ V39 units include special equipment to ensure good operation in areas where low ambient temperature can occur together with high humi
21. ent exposure to wind install a baffle plate on the air discharge side of the outdoor unit Installation manual DAIKIN ERHQ006 008ADV3 9 Outdoor unit for air to water heat pump 4PW52841 1 B In heavy snowfall areas it is very important to select an installation site where the snow will not affect the unit If lateral snowfall is possible make sure that the heat exchanger coil is not affected by the snow if necessary construct a lateral canopy Outdoor unit installation drawing Construct a large canopy Construct a pedestal Install the unit high enough off the ground to prevent burying in snow Refrigerant piping specifications Refrigerant piping specifications Maximum allowable piping length 30m between outdoor unit and indoor unit Minimum required piping length 3m between outdoor unit and indoor unit Maximum allowable height difference 20m between outdoor unit and indoor unit Additional refrigerant required for refrigerant pipe exceeding 10 m in 20 g m length Gas pipe outer diameter 15 9 mm 5 8 Liquid pipe outer diameter 6 4 mm 1 4 Installing near a wall or obstacle 1 Wrap the insulation pipe with finishing tape from bottom to top m Where a wall or other obstacle is in the path of the outdoor unit 2 Service cover air intake or exhaust airflow follow the installation guidelines 3 St
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23. ids 9 Gas stop valve 10 Liquid stop valve Connect the projection side on which the worm pin is pressed of the charging hose coming from the gauge manifold to the gas stop valve s service port Fully open the gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi The high pressure valve subsequently requires no operation Apply vacuum pumping Check that the compound pressure gauge reads 0 1 MPa 760 mm Hg Pipe length Pipe size Pipe insulation lt 15m sis mt Outer diameter Thickness Inner diameter Thickness Run time 10 minutes 15 minutes 6 4 mm 1 4 0 8 mm 8 10 mm 10 mm 4 Close the gauge manifold s low pressure valve Lo and stop the 15 9 mm 5 8 1 0 mm 16 20 mm 213 mm vacuum pump Leave as is for 4 5 minutes and make sure that the coupling meter needle does not go back 1 Gas pipe 2 Inter unit wiring NOTE If the meter needle does go back this may 3 Liquid pipe qu indicate presence of moisture or leaking from 4 Liquid pipe insulation connecting parts Repeat steps 2 through 4 after n checking all connecting parts and slightly 5 Finishing tape loosening and retightening the nuts 6 Gas pipe insulation m Use separate thermal insulation pipes for gas and liquid 5 ee the covers from the liquid stop valve and gas stop refrigerant pipes ave 6 Turn the liquid stop valve s rod 90 degrees counterclockwise with hexagonal wrench to open the valve Purg
24. ing air and checking gas leakage Close it after 5 seconds and check for gas leakage Using soapy water check for gas leakage from the indoor unit s When all piping work is completed and the outdoor unit is connected flare and the outdoor unit s flare and the valve rods to the indoor unit it is necessary to purge the air and check for gas After the check is complete wipe all soapy water off leakage WARNING 7 Disconnect the charging hose from the gas stop valve s service A port then fully open the liquid and gas stop valves m Do not mix any substance other than the specified Do not attempt to turn the valve rod beyond its stop refrigerant R410A into the refrigeration cycle P y P m When refrigerant gas leaks occur ventilate the room 8 Tighten the valve lids and service port caps for the liquid and as soon and as much as possible gas stop valves with a torque wrench at the specified torques 84104 as well as other refrigerants should always See Connecting the refrigerant piping to the outdoor unit on be recovered and never be released directly into the page 4 for details environment CAUTION Use a vacuum pump for R410A exclusively Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit B f using additional refrigerant perform air purging from the refrigerant pipes and indoor unit using a vacuum pump then charge additional refrigerant B Use a hexagonal wrench 4 mm to o
25. ket optional 4 Hose field supply inner diameter 16 mm Flaring the pipe end To flare each pipe end follow the procedure below 1 the pipe end with a pipe cutter 2 Remove burrs with the cut surface facing downward so that the chips do not enter the pipe 1 2 1 Cut exactly at right angles 2 Remove burrs 3 Remove the flare nut from the stop valve and put the flare nut on the pipe CAUTION B Do not use mineral oil on flared part Mineral oil getting into the system would reduce the lifetime of the units m Never use piping which has been used for previous installations Only use parts which are delivered with the unit m Do never install a drier to this R410A unit in order to guarantee its lifetime The drying material may dissolve and damage the system B Incomplete flaring may cause refrigerant gas leakage 1 When connecting the flare nut coat the flare inner surface with ether oil or with ester oil and initially tighten 3 or 4 turns by hand before tightening firmly 2 When loosening flare nut always use two wrenches together When connecting the piping always use a spanner and torque wrench together to tighten the flare nut to prevent nut cracking and leaks Torque wrench Spanner Piping union O N X Flare nut Flare nut tightening torque 06 4 mm 1 4 15 17 015 9 mm 5 8 63 75 Valve cap tightening torque
26. lare the pipe Set exactly at the position shown below Conventional flare tool Flare tool for R410A Clutch type Wing nut type clutch type Ridgid type Imperial type A 0 0 5 mm 1 0 1 5 mm 1 5 2 0 mm 5 Check that the flaring is properly made 1 lt 5 2 1 Flare s inner surface must flaw free 2 The pipe end must be evenly flared in a perfect circle H 3 Make sure that the flare nut is fitted Connecting the refrigerant piping to the outdoor unit Drain work All field piping must be installed by licensed refrigeration technician and must comply with relevant local and national regulations Check in the combination table under Possible options on page 2 whether drain work is allowed In case drain work on your unit is allowed and the installation site requires drain work then follow the guidelines below B Drain kits for drainage are available as option B If the drain ports are covered by a mounting base or floor surface place additional bases of at least 30 mm high under the outdoor unit s feet B In cold areas do not use a drain hose with the outdoor unit Drain water may freeze impairing the heating performance In case use of a drain hose is unavoidable for one reason or another it is recommended to install the optional bottom plate heater tape EKBPHT Make sure the drain works properly 1 2 4 3 4 xS 1 Drain water holes 2 Bottom frame 3 Drain soc
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28. n cold Climates eene cento 2 Installation should be left to the dealer or another professional bs kel piping epen us Improper installation may cause water leakage electrical shock nstalling near a wall or obstacie x r fire Outdoor unit installation drawin gaea 3 S Installation procedure 4 B Install the outdoor unit according to the instructions given in this ht enaar rend Mounting the outdoor unit ierit taria ar 4 Drainwork i Incomplete installation may cause water leakage electrical Flaring the pipe 4 shock or fire Connecting the refrigerant piping to the outdoor unit 4 B Be sure to use the supplied or specified installation parts End anke UE Use of other parts may cause the unit to vibrate loose and Hare RE I ges eae ds 6 cause water leakage electrical shock or fire screens 6 W Install the outdoor unit on solid base that can support the Testr n and finalieheck c ocurre riecht 8 weignt ol e unit m Trial operation and testing 8 An inadequate base or incomplete installation may cause injury eme 10 ers IE 8 in the event the unit falls off the base Pump down operation tnnt 8 B Electrical work must be carried out in accordance with the Pump down procedure 8 installation manual and the national electrical wiring rules or Forced cooling operation 8 code of pr
29. nd to prevent foreign materials from mixing into the system Wiring WARNING EB All wiring must be performed by an authorized electrician EB The power supply cable and circuit breaker must be selected in accordance with local and national regulations B Do not use tapped wires stranded conductor wires see caution 1 under Notes to observe on page 7 extension cords or connections from a star system as they may cause overheating electrical shock or fire B Do not use locally purchased electrical parts inside the product and do not branch the power for the heater tape etc from the terminal block Doing this may cause electrical shock or fire Be sure to install an earth leakage circuit breaker This unit uses an inverter which means that an earth leakage circuit breaker capable of handling high harmonics needs to be used in order to prevent malfunctioning of the earth leakage circuit breaker itself A main switch or other means for disconnection having a contact separation in all poles must be incorporated in the fixed wiring in accordance with relevant local and national legislation WARNING Do not turn ON the safety breaker until all work is completed Equipment complying with EN IEC 61000 3 12 1 1 European International Technical Standard setting the limits for harmonic currents produced by equipment connected to public low voltage systems with input current gt 16 A and
30. op valve cover below 4 250 mm from wall Allow space for piping and electrical servicing m For any of the installation patterns below the wall height on the 5 If there is danger of the unit falling or overturning fix the unit with exhaust side should be 1200 mm or less foundation bolts or with wire or other means Wall facing one side unit mm 6 Distance from the outer side of the stop valve cover If the location does not have good drainage place the unit on block bases Adjust foot height until the unit is levelled Failure to ___ gt 100 gt 350 do so may result in water leakage or accumulation e N U gt 50 gt 50 Walls facing three sides unit mm gt 1 00 250 7 gt 350 ERHQ006 008ADV3 9 DAIKIN Installation manual Outdoor unit for air to water heat pump 3 4PW52841 1 INSTALLATION PROCEDURE Mounting the outdoor unit When installing the outdoor unit please refer to Installation guidelines on page 2 to select an appropriate location 1 Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installation 2 Prepare 4 sets of M8 or M10 foundation bolts nuts and washers each field supply 3 Fix the unit securely by means of the foundation bolts in accordance with the foundation drawing It is best to screw in the foundation bolts until their length remains 20 mm above the foundation surface Y e N L 4 F
31. perate the stop valve rod ERHQ006 008ADV3 9 DAIKIN Installation manual Outdoor unit for air to water heat pump 4PW52841 1 5 Charging refrigerant This outdoor unit is factory charged Important information regarding the refrigerant used This product contains fluorinated greenhouse gases covered by the Kyoto Protocol Do not vent gases into the atmosphere Refrigerant type R410A GWP value 1975 1 GWP global warming potential Please fill in with indelible ink the factory refrigerant charge of the product additional refrigerant amount charged in the field and 0 0 the total refrigerant charge on the fluorinated greenhouse gases label supplied with the product The filled out label must be adhered on the inside of the product and in the proximity of the product charging port e g on the inside of the service cover LO Contains fluorinated greenhouse gases covered by the Kyoto Protocol 4 1 Factory refrige rant m charge of the product RA0A field see unit name plate 2 Additional refrigerant D kg amount charged the 2 3 Total refri t ch i kg otal refrigerant charge J 4 Contains fluorinated greenhouse gases covered by the Kyoto Protocol 6 5 Outdoor unit Refrigerant cylinder and manifold for charging NOTE National implementation of EU regulation on certain E fluorinate
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