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DC Inverter U-match Series Floor Ceiling Type Unit

Power lines should go along the right side plate. Communication lines between

indoor and outdoor units also should go along the right side plate and keep away
from power lines.

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 6.1

Number Error code

Error

Remarks

Compressor high pressure protection

Indoor anti-freeze protection

Compressor low pressure protection, refrigerant lack

protection and refrigerant colleting mode

Compressor high discharge temperature protection

Communication error

Indoor fan motor error

Full water protection

Indoor ambient temperature sensor error

Evaporator temperature sensor error

Condenser temperature sensor error

Outdoor ambient temperature sensor error

Discharge temperature sensor error

Temperature sensor error of wired controller

Capacity code error

Outdoor memory chip error

Electric box sensor error

Compressor overload protection

Overloading

IPM protection

DC fan motor error

Drive desynchronizing protection

Содержание KU21-FCU18-3

Страница 1: ...AIR CONDITIONER MODEL INSTRUCTION MANUAL KU21 FCU24 3 KU21 FCU30 3 KU21 FCU36 3 KU21 FCU42 3 KU21 FCU48 3 KU21 FCU18 3 KU21 ODU24 3 KU21 ODU30 3 KU21 ODU36 3 KU21 ODU42 3 KU21 ODU48 3 KU21 ODU18 3...

Страница 2: ......

Страница 3: ...lation of the Unit 7 4 1 Installation of the Indoor Unit 7 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...

Страница 4: ......

Страница 5: ...it produces toxic gas 7 Do not power on until all installation work is complete 8 During installation make sure that the refrigerant pipe is attached firmly before you run the compressor Do not operat...

Страница 6: ...DC Inverter U match Series Floor Ceiling Type Unit 2 2 Outline of the Unit and Main Parts Fig 2 1 The connection pipe drain pipe power cord and duct for this unit should be prepared by the user...

Страница 7: ...th Washer 8 To fix the hook on the cabinet of the unit 2 Wireless Controller Battery 1 2 To control the indoor unit 3 Insulation 1 To insulate the gas pipe 4 Insulation 1 To insulate the liquid pipe 5...

Страница 8: ...d must be supervised not to operate the unit Decide the installation location with the customer as follows 3 2 1 Indoor Unit 1 Install the unit at a place where is strong enough to withstand the weigh...

Страница 9: ...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 weigh...

Страница 10: ...5 3 8 16 5 8 50 164 15 49 1 5 17X1 75 5 8 X 7 100 KU21 FCU48 3 KU21 ODU48 3 9 5 3 8 16 5 8 70 230 15 49 1 5 17X1 75 5 8 X 7 100 Notes The connecting pipe should be thermally insulated properly The pip...

Страница 11: ...s between indoor and outdoor unit with their longest lengths of 50m 164feet Please select the appropriate line length as per the actual installation conditions The communication lines can not be twist...

Страница 12: ...lease take care Fig 4 1 Table 4 1 Unit mm inch Model A B C D H KU21 FCU18 3 KU21 FCU24 3 1220 48 225 8 7 8 1160 45 5 8 280 11 700 27 1 2 KU21 FCU30 3 KU21 FCU36 3 KU21 FCU42 3 1420 55 7 8 245 9 5 8 13...

Страница 13: ...template Fig 4 2 2 Insert the anchor bolts into the drilled holes and drive the pins completely into the anchor bolts with a hammer 3 Remove the right and left side panels 4 Put the hanger bolt into...

Страница 14: ...ig 4 4 6 Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will become much smoother 4 1 4 Leveling The water level test must be done after installing t...

Страница 15: ...80 38 5 8 425 16 3 4 790 31 1 8 610 24 395 15 1 2 KU21 ODU30 3 KU21 ODU36 3 1105 43 5 8 440 17 3 8 1100 43 1 4 630 24 7 8 400 15 3 4 KU21 ODU42 3 960 37 3 4 410 16 1 4 1350 53 1 8 570 22 1 2 375 14 3...

Страница 16: ...ipe with the pipe cutter and remove the burrs 2 Hold the pipe downward to prevent cuttings from entering the pipe 3 Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory...

Страница 17: ...he Pipe at the Indoor Unit Side Detach the caps and plugs from the pipes Be sure to apply the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot be ti...

Страница 18: ...m 3 8inch 35 40N m 26 29ft 1b 12 7mm 1 2inch 45 50N m 33 37ft 1b 16mm 5 8inch 60 65N m 44 48ft 1b Be sure to connect the gas pipe after connecting the liquid pipe completely 4 3 4 Connecting the Pipe...

Страница 19: ...Joints Indoor Side Only Stick coupler heat insulation large and small to the place where connecting pipes Fig 4 14 4 3 7 Liquid Pipe and Drain Pipe 1 If the outdoor unit is installed lower than the in...

Страница 20: ...the unit s gas valve and meanwhile the gas and liquid valves should be kept closed in case of refrigerant leak 3 Connect the hose used for evacuation to the vacuum pump 4 Open the switch at the lower...

Страница 21: ...e back the caps of the liquid valve gas valve and also the service port Fig 4 17 Note For the large sized unit it has the service port for both the gas valve and the liquid valve During evacuation it...

Страница 22: ...autions When Doing the Piping Work 1 Keep piping as short as possible and slope it downwards at a gradient of at least 1 100 so that air may not remain trapped inside the pipe 2 Keep pipe size equal t...

Страница 23: ...amp and the drain hose using heat insulation sponge Fig 4 23 Metal clamp Insulation sponge Note Step 1 to Step 3 have been finished by the manufacturer 4 When drain hose requires extension obtain an e...

Страница 24: ...4 6 Electrical Wiring 4 6 1 Wiring Precautions Before obtaining access to terminals all supply circuits must be disconnected The rated voltage of the unit is as shown as Table 3 4 and Table 3 5 Befor...

Страница 25: ...w and the air conditioner is difficult to start contact the power company to raise the voltage 4 6 2 Electrical Wiring 1 For solid core wiring Fig 4 26 1 Cut the wire end with a wire cutter or wire cu...

Страница 26: ...hat power is not being supplied to the indoor unit and outdoor unit Match the terminal block numbers and connection cord colors with those of the indoor unit side Erroneous wiring may cause burning of...

Страница 27: ...e indoor and outdoor units Single phase units 18k 30k Single phase units 36k 48k Fig 4 29 5 Electric wiring of indoor unit side Remove the left cover plate and the electric box cover then insert the e...

Страница 28: ...outdoor 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 w...

Страница 29: ...ion 3 E3 Compressor low pressure protection refrigerant lack protection and refrigerant colleting mode 4 E4 Compressor high discharge temperature protection 5 E6 Communication error 6 E8 Indoor fan mo...

Страница 30: ...ive 32 P7 Drive module sensor error 33 P8 Drive module over temperature protection 34 P9 Zero passage protection 35 PA AC current protection 36 Pc Drive current error 37 Pd Sensor connecting protectio...

Страница 31: ...C WB C DB C WB C Nominal Cooling 26 7 80 0 19 4 67 0 35 0 95 0 23 9 75 0 Nominal Heating 21 1 70 0 15 6 60 0 8 33 47 0 6 11 43 0 Rated Cooling 26 7 80 0 19 4 67 0 46 1 115 0 23 9 75 0 Low Temp Cooling...

Страница 32: ...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...

Страница 33: ...Open the air inlet grille Firstly unfix two buckles on the grille as shown on the picture Remove the screws under the buckles by a screwdriver and then open the inlet grille 2 Clean the filer screen...

Страница 34: ...erviceman 3 Check if the exhausted batteries of the wireless controller have been replaced 4 Check if the air filter had been installed well by professional Keep the power switch On 8 hours before the...

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