Tosot TKH12K3FI Installation Manual Download Page 28 | Manualshive

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DC Inverter U-match Series Cassette Type Unit

26

Three-phase units

T

UHD

T

KH36K3FI

T

UHD

T

KH42K3FI

T

UHD

T

KH48K3FI

T

UHD

T

KH60K3FI

① .

Power cord 5×1.5mm

2

(H07RN-F)

② .

Power cord 3×1.0mm

2

(H05RN-F)

③ .

Communication Cords 2×0.75mm

2

(H05RN-F)

Fig.41

(5). Electric wiring of indoor unit side
Remove the electric box cover from the electric box sub-assy and then connect the wire.

Power supply

terminal board

Electric

box cover

Communication

terminal board

Seal here

to avoid leakage

Fig.42

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Summary of Contents for TKH12K3FI

Page 1: ...24NK3FO TKH30K3FI TUHD30NK3FO TKH36K3FI TUHD36NK3FO TKH42K3FI TUHD42NK3FO TKH48K3FI TUHD48NK3FO TKH36K3FI TUHD36NM3FO TKH42K3FI TUHD42NM3FO TKH48K3FI TUHD48NM3FO TKH60K3FI TUHD60NM3FO DC Inverter U match Series Cassette Type Unit Thank you for choosing our product For proper operation please read and keep this manual carefully ...

Page 2: ...1 Installation of the Indoor Unit 9 4 2 Installation of the Outdoor Unit 11 4 3 Installation of the Connection Pipe 12 4 4 Vacuum and Gas Leakage Inspection 16 4 5 Installation of the Drain Hose 18 4 6 The Panel Installation 21 4 7 Electrical Wiring 23 5 Installation of Controllers 28 6 Test Running 28 6 1 Trial Operation and Testing 28 6 2 Working Temperature Range 30 7 Troubleshooting and Mainte...

Page 3: ... 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 8 Use the specified types of wires for electrical connections between the indoor and outdoor units Firmly clamp the interconnecting wires so their terminals receive no external stresses Incomplete connections or clamping may cause te...

Page 4: ... use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety 18 Children should be supervised to ensure that they do not play with the appliance 19 If the supply cord is damaged it must be replaced by the manu...

Page 5: ... Unit and Main Parts 1 Drainage device 2 Drainage pipe 3 Air flow flap 4 Connection pipe 5 Wired Controller 6 Wireless Controller 7 Big handle 8 Liquid Pipe 9 Gas pipe 10 Drainage pipe 11 Front Board Indoor Outdoor 2 3 4 7 5 6 1 8 9 10 11 Air inlet Air outlet Fig 1 ...

Page 6: ...nstalling the unit 4 installation paperboard 1 used for ceiling drilling 5 Gasket mounting board 4 Used to prevent gasket from falling off 6 Wireless Controller Battery 1 2 To control the indoor unit 7 sealing plaster 1 8 Fastener 4 To fasten the sponge 9 Insulation 1 To insulate the gas pipe 10 Insulation 1 To insulate the liquid pipe 11 Sponge 4 To insulate the drain pipe 12 Nut 1 To connect gas...

Page 7: ...own through all the room 2 Make sure that the installation meets the requirement of the schematic diagram of installation spaces 3 Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating noise and vibration 4 The horizontality of the installation place should be guaranteed 5 Select the place where is easy to drain out the condensate water and ...

Page 8: ... free from being dirty or getting wet by rain as much as possible 2 Install the outdoor unit where it is convenient to connect with the indoor unit 3 Install the outdoor unit where the condensate water can be drained out freely during heating operation 4 Do not place animals and plants in the path of the warm air 5 Take the air conditioner weight into account and select a place where noise and vib...

Page 9: ...UHD24NK3FO 3 8 5 8 30 15 TKH30K3FI TUHD30NK3FO 30 15 TKH36K3FI TUHD36NK3FO 30 15 TKH42K3FI TUHD42NK3FO 50 30 TKH48K3FI TUHD48NK3FO 50 30 TKH36K3FI TUHD36NM3FO 30 15 TKH42K3FI TUHD42NM3FO 50 30 TKH48K3FI TUHD48NM3FO 50 30 TKH60K3FI TUHD60NM3FO 3 8 3 4 50 30 The connection pipe should be insulated with proper water proof insulating material The pipe wall thickness shall be 0 5 1 0mm and the pipe wal...

Page 10: ...at 40 С and resistible to 90 С see IEC 60364 5 52 If the working condition changes they should be modified according to the related national standard The specifications of the breaker listed in the table above are applied to the breaker with the working temperature at 40 С If the working condition changes they should be modified according to the related national standard Take 2 pieces of power cor...

Page 11: ...Indoor Unit 4 1 1 Indoor unit dimension For the units 12 18k For the units 24 60k Fig 4 Table 7 Item Model A B C D E F G TKH12K3FI 670 666 600 496 145 240 596 TKH18K3FI TKH24K3FI 950 840 780 680 145 240 TKH30K3FI 950 840 780 680 145 320 TKH36K3FI TKH42K3FI TKH48K3FI 1040 910 842 788 145 290 TKH60K3FI ...

Page 12: ...ontally at four directions If not the water pump and the float switch would function improperly and even lead to water leakage 5 Remove the gasket anchor board and tighten the nut remained 6 Remove the paper template 4 1 3 Installing the Suspension Bolts 1 Using the installation template drill holes for bolts four holes Fig 6 2 Install the bolts to the ceiling at a place strong enough to hang the ...

Page 13: ...r unit to make the unit is horizontal as shown below Horizontal tester Fig 9 4 2 Installation of the Outdoor Unit WARNING Install the unit where it will not be tilted by more than 5 During installation if the outdoor unit has to be exposed to strong wind it must be fixed securely 4 2 1 Outdoor unit dimension D A B C E Fig 10 ...

Page 14: ...rt from the drain pipe mounting hole all other holes should be plugged so as to avoid water leakage only for the heat pump unit 3 Installation Method Insert the pipe joint into the hole Ф25 located at the base plate of the unit and then connect the drain pipe to the pipe joint Bottom Drain cap Drain pipe mounting hole Fig 11 4 3 Installation of the Connection Pipe 4 3 1 Flare Processing 1 Cut the ...

Page 15: ...back on the pipe and secure it with tape Fig 14 Pipe Cutter Cutt line Heat insulating pipe CAUTION To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 150 mm or over If the pipe is bent repeatedly at the same place it will break 4 3 3 Connecting the Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes CAUTION Be sure to apply the pipe agai...

Page 16: ...e the nut and lead to leakage Examine the connection pipe to see if it leaks then take the treatment of heat insulation as shown in the Fig 15 Use the medium sized sponge to insulate the coupler of the gas pipe Fig 15 Table 9 Flare nut tightening torque Pipe Diameter Tightening Torque 1 4 Inch 15 30 N m 3 8 Inch 35 40 N m 5 8 Inch 60 65 N m 1 2 Inch 45 50 N m 3 4 Inch 70 75 N m 7 8 Inch 80 85 N m ...

Page 17: ...eakage detector without fail when the pipes are connected 4 3 6 Heat Insulation on the Pipe Joints Indoor Side Only Stick coupler heat insulation large and small to the place where connecting pipes Fig 17 4 3 7Liquid Pipe and Drain Pipe If the outdoor unit is installed lower than the indoor unit See Fig 18 1 A drain pipe should be above ground and the end of the pipe does not dip into water All pi...

Page 18: ...ch at the high pressure side of the manifold valve assembly should be kept closed otherwise evacuation would fail 5 The evacuation duration depends on the unit s capacity generally 15 minutes for the 12k units 20 minutes for the 18k units 30 minutes for the 24 30 36k units 45 minutes for the 42 48 60 units And verify if the pressure gauge at the low pressure side of the manifold valve assembly rea...

Page 19: ...ing length of 5m is charged in the 09 42k outdoor unit at the factory and for 48 60k outdoor unit refrigerant is charged for a piping length of 7 5m When the piping of 09 42k unit is longer than 7 5m or the piping of 48 60k unit is longer than 9 5m additional charging is necessary For the additional amount see Table 10 Table 10 Model Item Standard Pipe Length Unnecessary Charge Pipe Length Additio...

Page 20: ...nit drain hose Insulating tape accessory Fig 22 4 5 2 Installing the Drain Pipes 1 Insert the drain pipe to the drain outlet of the unit and then tighten the clamp securely with tape 2 Connect the extension drain pipe to the drain pipe and then tighten the clamp with tape 1 2 A 1 2 3 During the installation distance from soft drain pipe to the gasket is Amm when the bolt is tightened It is not all...

Page 21: ...is might cause negative pressure and result in return suction of outdoor air Therefore U type water trap shall be designed on the drainage side of each indoor unit Fig 24 6 Install one water trap for each unit 7 Installation of water trap shall consider easy cleaning in the future Fig 24 Fig 25 Fig 26 8 Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main pipe Th...

Page 22: ...ted on the following 2 spots to prevent any possible water leakage due to dew condensation 1 Connect the drain hose to the drain lift pipe and insulate them 2 Connect the drain hose to the drain outlet on the indoor unit and tighten it with the clamp Drain lift pipe Fig 30 4 Secure a downward gradient of 1 100 or more for the drain pipe To accomplish this mount supporting brackets at an interval o...

Page 23: ... hole Plastic water pot The length of the pipe should be about 100mm Immiting water from the outlet vent terminal Above 100mm Drain vent for repair use plastic stopper is included drain the water in waterspoit by this outlet vent Fig 32 4 6 The Panel Installation 4 6 1 Precautions 1 See the figure below for the relationship of the front panel and the connecting pipe The connecting pipe should be l...

Page 24: ...own in Fig 36 Fig 36 4 6 2 Installing the Panel 1 Place the panel at the unit and latch the hooks beside and opposite the swing flap motor 2 Latch other two hooks 3 Tighten four hexagonal screws under the latches about 15mm 4 Adjust the panel along the direction indicated by the arrow as shown in Fig 37 5 Tighten the screws until the thickness of the sealing material between the panel and the indo...

Page 25: ... install a special receptacle to supply power to the air conditioner Use a special branch circuit breaker and receptacle matched to the capacity of the air conditioner The special branch circuit breaker is installed in the permanent wiring Always use a circuit that can trip all the poles of the wiring and has an isolation distance of at least 3mm between the contacts of each pole Perform wiring wo...

Page 26: ...ut 25 mm 15 16 2 Using a screwdriver remove the terminal screw s on the terminal board 3 Using pliers bend the solid wire to form a loop suitable for the terminal screw 4 Shape the loop wire properly place it on the terminal board and tighten securely with the terminal screw using a screwdriver 2 For strand wiring Fig 38 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the i...

Page 27: ...n the outside covering of the connection cord with cord clamps If the insulator is not clamped electric leakage may occur Always connect the ground wire 4 Electric wiring between the indoor and outdoor units Single phase units 12 30k TUHD12NK3FO TKH12K3FI TUHD18NK3FO TKH18K3FI Power cord 3 1 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F TUHD24NK3FO TKH24K3FI TUHD30...

Page 28: ... TKH60K3FI Power cord 5 1 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F Fig 41 5 Electric wiring of indoor unit side Remove the electric box cover from the electric box sub assy and then connect the wire Power supply terminal board Electric box cover Communication terminal board Seal here to avoid leakage Fig 42 ...

Page 29: ...utdoor connection cord and power cord respectively on the terminal boards with screws Faulty connection may cause a fire If the indoor unit connection cord to the outdoor unit and power supply are wired incorrectly the air conditioner may be damaged Connect the indoor unit connection cord properly based on the corresponding marks as shown in Fig 41 Ground both the indoor and outdoor units by attac...

Page 30: ... Lines Fig 45 Three phase 36 60k L1 L2 L3 N 1 2 Fig 44 5 Installation of Controllers Refer to the Installation Manual of the controller for more details 6 Test Running 6 1 Trial Operation and Testing 1 The meaning of error codes as shown below Table 11 Number Error code Error Remarks 1 E1 Compressor high pressure protection 2 E2 Indoor anti freeze protection 3 E3 Compressor low pressure protection...

Page 31: ...n 25 Lc Activation failure 26 Ld Compressor phase sequence protection 27 LE Compressor stalling protection 28 LF Power protection 29 Lp Indoor and outdoor mismatch 30 U7 4 way valve direction changing protection 31 P0 Drive reset protection 32 P5 Over current protection 33 P6 Communication error between main control and drive 34 P7 Drive module sensor error 35 P8 Drive module over temperature prot...

Page 32: ... panel is still allowed to realize the following functions by pressing the Auto button and the nearby Test button simultaneously for five seconds when the unit is Off 6 2 Working Temperature Range Table12 Test Condition Indoor Side Outdoor Side DB C WB C DB C WB C Nominal Cooling 27 19 35 24 Nominal Heating 20 7 6 Rated Cooling 32 23 48 Low Temp Cooling 21 15 15 Rated Heating 27 24 18 Low Temp Hea...

Page 33: ...oor cooling effect The air filter is dirty or blocked There is heat source or too many people inside the room The door or window is open There is obstacle at the air intake or outlet The set temperature is too high There is refrigerant leakage The performance of room temperature sensor becomes worse Poor heating effect The air filter is dirty or blocked The door or window is not firmly closed The ...

Page 34: ... and deformation of the unit Do not wet the indoor unit in case of electric shock or fire hazard Increase the frequency of cleaning if the unit is installed in a room where the air is extremely contaminated As a yardstick for yourself consider cleaning the filter once a half year If dirt becomes impossible to clean change the air filter How to clean the air filter 1 Open the air inlet grille 1 How...

Page 35: ...ter screen Filtering element Support Bolt 5 Clean the filer screen Clean the filer screen by a vacuum cleaner or wash it by flashing water If the oil stain on the filter can not be removed or cleaned up wash it by warm water meld with the detergent Dry the filer in the shadow Note Never use hot water over 45 C in case of color fading or turning yellow Never dry it by fire so as to prevent the filt...

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