Haier 3U55S2SR2FA Installation Manual Download

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Contents

English

Original instructions

No. 0150526390 A

Keep this manual for future reference.

This product must only be installed or serviced by qualified personnel.
Please read this manual carefully before installation.This appliance is filled with R32.

Safety Precautions

Move and scrap the air conditioning

Read Before Installation

Accessories

Procedure for Selecting the Location

Installation drawings of indoor and

outdoor units

Precautions on Installation

Outdoor Unit Installation Guideline

Limitations on the installation

Refrigerant piping work

Pump Down Operation

Wiring work

Test running

Trouble shooting

3U55S2SR2FA

3U70S2SR2FA

4U75S2SR2FA

4U85S2SR2FA

5U105S2SS2FA

INSTALLATION MANUAL

Original Instructions

MULTI-SPLIT AIR CONDITIONER

Summary of Contents for 3U55S2SR2FA

Page 1: ...2 Safety Precautions Move and scrap the air conditioning Read Before Installation Accessories Procedure for Selecting the Location Installation drawings of indoor and outdoor units Precautions on Installation Outdoor Unit Installation Guideline Limitations on the installation Refrigerant piping work Pump Down Operation Wiring work Test running Trouble shooting 3U55S2SR2FA 3U70S2SR2FA 4U75S2SR2FA 4...

Page 2: ......

Page 3: ...out label must be adhered in the proximity of the product charging port e g onto the inside of the stop value cover A contains fluorinated greenhouse gases covered by the Kyoto Protocol B factory refrigerant charge of the product see unit name plate C additional refrigerant amount charged in the field D total refrigerant charge E outdoor unit F refrigerant cylinder and manifold for charging Air co...

Page 4: ...iance or an operating electric heater Do not pierce or burn Be aware that refrigerants may not contain an odour The appliance must be installed operated and stored in a room with a floor area larger than the Minimum Room Area specified in the table on the following pages The room should be well ventilated Comply with national gas regulations This appliance can be used by children aged 8 years and ...

Page 5: ... do not put undue force on the electrical covers or panels Install covers over the wires Incomplete cover installation may cause terminal overheating electrical shock fire or explosion If any refrigerant has leaked out during the installation work ventilate the room The refrigerant produces a toxic gas if exposed to flames may cause explosion After all installation is complete check to make sure t...

Page 6: ...all be used for maintenance and exposed transporting of refrigerant cylinders and the products to be maintained is not allowed 4 The rain cover or similar shielding material of transporting vehicles shall be provided with certain flame retardancy 5 Leakage warning device of flammable refrigerant shall be installed inside the closed type compartment 6 Anti static device shall be equipped inside the...

Page 7: ...hecked cannot be less than the area specified on the warning sign of the indoor unit 2 Inspection on the surrounding environment of place of installation the outdoor unit of flammable refrigerants air conditioner cannot be installed inside an enclosed room reserved 3 Power supply switches or other high temperature articles such as the fire source and oil heater shall be avoided below the indoor un...

Page 8: ...r of the indoor unit is connected to the connector pipe after welding nitrogen more than 4 0MPa shall be charged inside the evaporator and the piping connected to evaporator with a nitrogen cylinder adjusted by a reducing valve Afterwards the valve of the nitrogen cylinder shall be closed for leak detection with soapy water or leak detecting solution The pressure shall be maintained for more than ...

Page 9: ...with the conical surface of corresponding valve connector The nut of connecting pipes shall be installed at a proper position and then be tightened with a spanner Excessive tightening torque shall be avoided or otherwise the nut may be damaged A digital vacuum gauge shall be connected for vacuumizing The duration of vacuumizing shall be at least 15 minutes and the pressure of the vacuum gauge shal...

Page 10: ...dging of the refrigeration system requiring no disassembly of refrigeration elements and no welding In case replacement of gas liquid pipes is required during maintenance the joint of evaporator gas liquid pipes of the indoor unit shall be cut off with a cutting knife Connection is only allowed after re flaring the same to the outdoor unit Note in case relocation is required the joint of evaporato...

Page 11: ...e maintenance site shall be relatively fixed with standardized pipe routing Temporary wires and sockets at the maintenance site are not allowed The environment in which the refrigerant leakage is checked shall be free from potential ignition source Leak detection with halogen probes or any other detector with open fire shall be avoided For the system containing flammable refrigerant leak detection...

Page 12: ...ied out to ensure no leakage and reliable earthing In case the allowable voltage and current limit may be surpassed during the service of the air conditioner any inductance or capacitance cannot be added in the circuit Only the elements appointed by the air conditioner manufacturer can be used as the parts and components replaced or otherwise a fire or explosion may be triggered in case of refrige...

Page 13: ...linder and equipment must be evacuated rapidly and all the stop valves on the equipment must be closed 11 Before purification and tests the refrigerant recovered cannot be charged into another refrigeration system Note The air conditioner shall be marked with dates and signature after being scrapped and the refrigerant is discharged It shall be guaranteed that the sign on the air conditioner can r...

Page 14: ...k without circuit breaker Call the dealer to take measures to prevent the refrigerant from leaking If conditioner is installed in a small room be sure to take every measure in order to prevent suffocation and explosion accident even in case of refrigerant leakage When conditioner is installed or reinstalled the dealer should be responsible for them Incorrect installation may cause water leaking el...

Page 15: ... If installed improperly dust and or water may enter the unit and present a risk of electric shock smoke fire or explosion Only use refrigerant R32 as indicated on the unit when installing or relocating the unit The use of any other refrigerant or an introduction of air into the unit circuit may cause the unit to run an abnormal cycle and abnormal cycle and cause the unit to burst In the event of ...

Page 16: ...nections Use liquid refrigerant to charge the system Charge the unit with gas refrigerant will cause the refrigerant in the cylinder to change its composition and will lead to a drop in performance Do not use a charging cylinder The use of charging cylinder will change the composition of the refrigerant and lead to power loss Exercise special care when handling the tools An introduction of foreign...

Page 17: ...itioners in water Water on the unit presents a risk of electric shock Periodically check the platform on which is placed for damage to prevent the unit from falling If the unit is left on a damaged plarform it may topple over causing injury Things such as nails may be included in the package Dispose of them properly to prevent injury Plastic bags present a choking hazard to children Tear up the pl...

Page 18: ...rging Meter Refrigerant charging Vacuum Gauze Checking vacuum degree Tools Materials Use Notes Charging Cylinder Refrigerant Charging Must not be used with R32 type units CAUTION Items to Be Checked 1 Verify the type of refrigerant used by the unit to be serviced Refrigerant Type R32 2 Check the symptom exhibited by the unit to be serviced Look in this service handbook for symptoms relating to the...

Page 19: ...ack into the refrigerant circuit when the vacuum pump power is turned off power failure It is also possible to attach a check valve to the actual vacuum pump afterwards Standard degree of vacuum for the vacuum pump Use a pump which reaches 65Pa or below after 5 minutes of operation In addition be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil If the v...

Page 20: ...areas or other places with salty atmosphere of sulfate gas corrosion may shorten the life of the air conditioner 9 Since drain flows out of the outdoor unit do not place under the unit anything which must be kept away from moisture 10 On a flat surface that does not collect rain water 11 Away from strong wind 12 Away from direct exposure to rain or snow 13 Away from sea breeze 14 Away from inflamm...

Page 21: ...nity on the heat exchanger and applying a rust inhibitor more frequently than once a year ODU ODU ODU ODU Sea breeze Sea breeze Sea breeze Sea Sea Sea Protection walls ODU 7 Set the unit on mounting brackets or pad To avoid the adverse effects of snow ice and defrosting issues install the unit on heat pump risers to ensure a sufficient height from the ground In all cases refer to local code for co...

Page 22: ...tion pipe with the finishing tape from bottom to top Cut thermal insulation pipe to an appropriate length and wrap it with tape making sure that no gap is left in the insulation pipe s cut line more than 10cm more than 10cm more than 60cm more than 25cm 20 Installation figure please refers to the following Do not connected the embedded branch piping and the outdoor unit when only carrying out pipi...

Page 23: ...ng and the maximum allowable height difference between the outdoor and indoor units are listed below The shorter the refrigerant piping the better the performance Connect so that the piping is as short as possible Shortest allowable length per room is 3m 1 Precautions on installation Check the strength and level of the installation ground so that unit will not cause any operating vibration or nois...

Page 24: ...eight under the outdoor unit s feet 3 In cold areas do not use a drain hose with the outdoor unit Otherwise drain water may freeze impairing heating performance Indoor Unit Outdoor Unit Level difference 15m max Level difference 7 5m max If the outdoor unit is positioned higher than all indoor units Outdoor Unit Indoor Unit Level difference 15m max Level difference 7 5m max If the outdoor unit is p...

Page 25: ...g all the connection and loosening then retightening thenuts reqeat steps 2 4 Remove covers from liquid stop valve and gas stop valve Turn the liquid stop valve s rod 90 degrees counterclockwise with a hexagonal wrench to open valve Close it after 5 seconds and check for gas leakage Using soapy water check for gas leakage from indoor unit s flare and outdoor unit s flare and valve rods After the c...

Page 26: ...mmend 1 Before filling check whether the cylinder has a siphon attached or not It should have something like liquid filling siphon attached displayed on it recommend 2 Be sure to use the R32 tools to ensure pressure and to prevent foreign objects entering 1 This system must use refrigerant R32 2 Add refrigerant 20g per meter when the total piping length exceeds the standard value but make sure tha...

Page 27: ... never install a drier to this R32 unit in order to guarantee its lifetime The drying material may dissolve and damage the system 5 Incompete flaring may cause refrigerant gas leakage Cut exactly at right angles Remove burrs Flare s inner surface must be flaw free The pipe end must be evenly flared in a perfect circle Make sure that the flare nut is fitted Check A Flare tooling die Pipe diameter S...

Page 28: ...air conditioner must use special circuit and wiring by the qualified electrician according to the wiring rules specified in national standard The grounding wire and the neutral wire shall be strictly separated Connect the neutral wire with grounding wire is incorrect The explosion proof electric leakage breaker must be installed All the electric wire must be copper wire Power supply 1PH 220 240V 5...

Page 29: ...nect the power line with different dimensions to the same grounding wire end Improper contact will affect protection Do not connect the power line to the connecting end of communication wire Incorrect connection will cause damage to the connected unit The wiring should ensure that the ground line is the last one to be broken off by force 4 Wiring method of indoor unit 5 Example wiring diagram Wiri...

Page 30: ...reen LED that means 3 indoor units 4U75S2SR2FA and 4U85S2SR2FA with 4 green LED means 4 indoor units 5U105S2SS2FA with 5 green LED means 5 indoor units If one LED keep lighting that means the corresponding indoor unit has good communication with outdoor unit If one LED is not lighting that means there is no communication between indoor and outdoor Wiring Error Check This product is capable of auto...

Page 31: ...unction of module temp sensor Momentary power failure detection 38 3A 5 8 Malfunction of condensing temp sensor 39 3B 5 9 Malfunction of liquid pipe temp sensor for indoor unit E 40 3C 6 0 System high pressure switch off 42 3E 6 2 System low pressure switch off 43 3F 6 3 44 40 6 4 45 41 6 5 Timer lamp flash time Running lamp flash time Communication failure between Module and ECU Module low or hig...

Page 32: ...Haier Refsystem Sp z o o XO 0HWDORZFyZ UXG LąG tel 48 695 930 647 e mail haier haier ac pl www haier ac pl ...

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