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DC Inverter Duct Type Unit

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

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

Pfc protection

Activation failure

Compressor phase sequence protection

Compressor stalling protection

Power protection

Indoor and outdoor mismatch

4-way valve direction changing protection

Drive reset protection

Over-current protection

Communication error between main control and drive

Drive module sensor error

Drive module over temperature protection

Zero passage protection

AC current protection

Содержание GB-X18SCR

Страница 1: ...DUCT TYPE ROOM AIR CONDITIONER INSTALLATION AND OPERATION MANUAL ENGLISH ITALIANO INDOOR UNIT OUTDOOR UNIT GB X18SCR GU X18SCR GB X24SCR GU X24SCR GB X36SCR GU X36SCR ...

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Страница 3: ...LY in accordance with local law Separate collection promotes an environment friendly treatment recycling of materials and minimizing final disposal of waste IMPROPER DISPOSAL can be harmful to human health and the environment due to certain substances Take USED EQUIPMENT to a local usually municipal collection facility where available If in doubt about disposal contact your local authorities or de...

Страница 4: ...nit 11 4 3 Installation of the Connection Pipe 12 4 4 Vacuum and Gas Leakage Inspection 16 4 5 Installation of the Drain Hose 17 4 6 Installation of the Duct 20 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 29 7 Unit Function 30 7 1 Setting of Double Indoor Room Sensors 30 7 2 Checking of Outdoor Ambient...

Страница 5: ...rant piping not attached properly with 2 way or 3 way valve open This may cause abnormal pressure in the refrigeration cycle that leads to breakage and even injury 7 During the pump down operation make sure that the compressor is turned off before you remove the refrigerant piping Do not remove the connection pipe while the compressor is in operation with 2 way or 3 way valve open This may cause a...

Страница 6: ...ric Box 3 Wired Controller 4 Binding tape 5 Drain Pipe 6 Gas Pipe 7 Liquid Pipe 8 Big Handle 9 Front Board 1 2 3 4 9 Air outlet Air outlet Air inlet Air inlet Fig 1 NOTE The connection pipe and duct for this unit should be prepared by the user The unit is standard equipped with rectangular duct 8 7 6 5 ...

Страница 7: ... Hanger or 4 To fix the indoor unit 3 Nut with Washer 8 To fix the hook on the cabinet of the unit 4 Nut with Washer 4 To fix the hook on the cabinet of the unit 5 Nut 4 To be used together with the hanger bolt for installing the unit 6 Washer 4 To be used together with the hanger bolt for installing the unit 7 Insulation 1 To insulate the gas pipe 8 Insulation 1 To insulate the liquid pipe 9 Fast...

Страница 8: ...leakage Do not install the unit near heat source steam or flammable gas Children under 10 years old 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 weight of the unit 2 The air inlet and outlet of the unit should never be clogged so that the airflow can r...

Страница 9: ...here the condensate water can be drained out freely during heating operation 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 vibration are small 6 Install the outdoor unit where is capable of withstanding the weight of the unit and generates as less noise and vibration as possible 7 Provide the space show...

Страница 10: ...sulating material The pipe wall thickness shall be 0 5 1 0mm and the pipe wall shall be able to withstand the pressure of 6 0 MPa The longer the connecting pipe the lower the cooling and heating effect performs 3 4 Electrical Requirement Electric Wire Size and Fuse Capacity Table 4 Indoor Units Power Supply Fuse Capacity Breaker Capacity Min Power Supply Cord V Ph Hz A A mm2 18K 36K 220 240V 50Hz ...

Страница 11: ...he communication lines between indoor and outdoor unit with their longest lengths of 50m Please select the appropriate line length as per the actual installation conditions The communication lines can not be twisted together For the unit 30K it s recommended to use 8m long communication line Take 2 pieces of power cord of 0 75mm2 as the communication lines between the wired controller and the indo...

Страница 12: ...DC Inverter Duct Type Unit 8 For the units 18K J B H I G F Max Air intake E D C Max A For the units 24 36K J I H G B F A E C D Gas Pipe Liquid Pipe Drainage Pipe Electric Box Air Intake Max Max ...

Страница 13: ...Duct Type Unit 9 Table 6 Item Model A B C D E F G H I J 945 618 738 892 1037 721 738 125 203 266 GB X18SCR GB X24SCR 1101 517 820 1159 1279 558 1002 160 235 268 1011 748 820 1115 1226 775 979 160 231 290 GB X36SCR ...

Страница 14: ...Mark the bolt positions from the installation template With a concrete drill drill for 12 7mm 1 2 diameter holes Fig 6 2 Insert the anchor bolts into the drilled holes and drive the pins completely into the anchor bolts with a hammer Fig 7 3 Install the hanger to the unit Fig 8 4 Pass the unit hangers over the bolts installed to the ceiling and install the unit with the special nut Fig 9 60 to 70 ...

Страница 15: ...make the unit is horizontal as shown below Horizontal tester 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 11 Fig 10 ...

Страница 16: ...ipe joint into the hole φ25 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 12 4 3 Installation of the Connection Pipe 4 3 1 Flare Processing 1 Cut the connection pipe 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 ...

Страница 17: ...ne 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 against the port on the indoor unit correctly If the centering is impro...

Страница 18: ...e completely 4 3 4 Connecting the Pipe at the Outdoor Side Unit Tighten the flare nut of the connection pipe at the outdoor unit valve connector The tightening method is the same as that as at the indoor side 4 3 5 Checking the Pipe Connections for Gas Leaking For both indoor and outdoor unit side check the joints for gas leaking by the use of a gas leakage detector without fail when the pipes are...

Страница 19: ...er All pipes must be restrained to the wall by saddles 2 Taping pipes must be done from bottom to top 3 All pipes are bound together by tape and restrained to wall by saddles If the outdoor unit is installed higher than the indoor unit See Fig 21 1 Taping should be done from lower to the upper part 2 All pipes are bound and taped together and also should be trapped to prevent water from returning ...

Страница 20: ...or the 36K units And verify if the pressure gauge at the low pressure side of the manifold valve assembly reads 1 0Mp 75cmHg if not it indicates there is leak somewhere Then close the switch fully and then stop the vacuum pump 6 Wait for some time to see if the system pressure can remain unchanged 5 minutes for the 18K 24K units 10 minutes for the unit 36k During this time the reading of the press...

Страница 21: ...m When the height difference between the indoor unit and outdoor unit is larger than 10 meters an oil bend should be employed for every 6 meters Oil bend Oil bend Indoor Outdoor 6m 4 5 Installation of the Drain Hose 4 5 1 Installation of Drain Piping CAUTION Install the drain hose in accordance with the instructions in this installation manual and keep the area warm enough to prevent condensation ...

Страница 22: ...f the unit is in the negative pressure status it is required to set up a backwater elbow The requirements is A B P 10 20 mm P is the absolute pressure inside the unit The unit of the pressure is Pa Condensate Drainpipe B A Condensate Drainpipe Enlarged View B A Fig 26 ...

Страница 23: ...so should be insulated properly Fig 29 Fig 28 Fig 29 11 There is adhesive on one side of the insulation so that after removing the protective paper over it the insulation can be directly attached to the drain hose 12 Considerations for the unit with the condensate pump i For the unit with the condensate pump only one drain port at the side close to the electric box is prepared and only through it ...

Страница 24: ...figure below 0 1000mm Fig 32 4 5 2 Testing of Drain Piping After piping work is finished check if drainage flows smoothly As shown in the figure add approximately 1liter of water slowly into the drain pan and check drainage flow during COOL running 4 6 Installation of the Duct 4 6 1 Dimensions of the Supply Air Outlet Return Air Inlet Fig 33 B 21 A Fig 34 Supply Air Outlet ...

Страница 25: ...Duct No Name No Name 1 Hanger 5 Filter 2 Air Intake Pipe 6 Main Air Supply Pipe 3 Canvas Air Pipe 7 Air Supply Outlet 4 Air Intake Fig 36 CAUTION The maximum length of the duct means the maximum length of the supply air duct plus the maximum length of the return air duct The duct is rectangular and connected with the air inlet outlet of the indoor unit Among all supply air outlets at least one sho...

Страница 26: ...rced and folded by 8 iron wire 5 More noise is likely to be produced in the bottom return air mode than the backward return air mode so it is suggested to install a silencer and a static pressure box to minimize the noise 6 The installation method can be chosen with considering the conditions of the building and maintenance etc as shown in Fig 38 1 Return air Return air Install the Return Air Duct...

Страница 27: ...d positively Install a leakage special branch circuit breaker in accordance with the related laws and regulations and electric company standards CAUTION The power source capacity must be the sum of the air conditioner current and the current of other electrical appliances When the current contracted capacity is insufficient change the contracted capacity When the voltage is low and the air conditi...

Страница 28: ...nnection cord and power cord through the insulation tube fasten it with the cord clamp Fig 41 WARNING Before starting work check that 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 the electric parts Connect the connection cords firmly to the termina...

Страница 29: ...d 3 1 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F GU X24SCR GB X24SCR Power cord 3 2 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F Single phase units 36K GU X36SCR GB X36SCR Power cord 3 2 5mm2 H07RN F Power cord 3 1 0mm2 H05RN F Communication Cords 2 0 75mm2 H05RN F Fig 42 ...

Страница 30: ...s should be fixed separately and securely with internal big clamps for the former and small clamps for the latter Tighten the indoor 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 wired incorrectly the air conditioner may be damaged Connect the indo...

Страница 31: ...along the right side plate and be fixed to the fixation hook with binding wires to keep no contact with pipelines Communication lines between indoor and outdoor units also should go along the right side plate and keep away from power lines Routing of External Power Lines Fig 46 Fig 45 ...

Страница 32: ...mperature sensor error 11 F3 Outdoor ambient temperature sensor error 12 F4 Discharge temperature sensor error 13 F5 Temperature sensor error of wired controller 15 C5 Capacity code error 16 EE Outdoor memory chip error 17 PF Electric box sensor error 18 H3 Compressor overload protection 19 H4 Overloading 20 H5 IPM protection 21 H6 DC fan motor error 22 H7 Drive desynchronizing protection 23 Hc Pf...

Страница 33: ...iver Cool button Heat button Fig 47 6 2 Working Temperature Range Table 12 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 Heating 20 10 11 Note The air volume is measured at the relevant standard external static pressure Cooling heating capacity stated ab...

Страница 34: ...from the two indoor room sensors on the basis of the engineering requirement Refer to the section of wire controller instructions for detailed operation Indoor room sensor A Indoor room sensor B Fig 48 7 2 Checking of Outdoor Ambient Temperature The outdoor ambient temperature can be checked on the wire controller for the convenience of users before going out Refer to the section of wire controlle...

Страница 35: ...taking in fresh air This kind of control can be carried out through the wire controller The function can set at any time goes into effect at any time and features very simple operation Refer to the section of wire controller instructions for detailed operation Outdoor fresh air Fresh air Air intake pipe Air supply pipe Indoor side Air valve Before starting up the unit please remove all the sealing...

Страница 36: ...omes worse Poor heating effect The air filter is dirty or blocked The door or window is not firmly closed The set room temperature is too low There is refrigerant leakage The outdoor ambient temperature is lower than 5 C Control loop is abnormal After carrying out the check of the above items and taking relevant measures to solve the problems found but the air conditioning unit still does not func...

Страница 37: ...ecomes impossible to clean change the air ﬁlter Air ﬁlter for exchange is optional i Removing the air filter from the duct ii Cleaning the air ﬁ Remove dust from the air filter using a vacuum cleaner and gently rinse them in cool water Do not use detergent or hot water to avoid filter shrinking or deformation After cleaning dry them in the shade Press the return air inlet filter downward against t...

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