![Panasonic CS-F34DD3E5 [17/148] Refrigeration cycle](/img/pdf.png)
Panasonic CS-F34DD3E5 [17/148] Refrigeration cycle
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Содержание
- Air conditioner 1
- Contents 1
- Cs f24dd3e5 cu b24dbe5 cs f28dd3e5 cu b28dbe5 cs f28dd3e5 cu b28dbe8 cs f34dd3e5 cu b34dbe5 1
- Cs f34dd3e5 cu b34dbe8 cs f43dd3e5 cu b43dbe8 cs f50dd3e5 cu b50dbe8 1
- Page page 1
- A if main power supply is switched on with the wrong connection 3
- B when changing the connection or combination of units due to re installation etc 3
- Caution during automatic address setting 3
- Caution of test operation 3
- Do not touch the remote control switch and do not change any wirings for one minute when the main power supply switch is on because the unit is having automatic address setting during the first one minute 3
- Example of trouble at test operation 3
- If found out as following phenomenon at test operation on site it may have possibility of wrong address setting therefore please ensure of the address setting 3
- Indoor and outdoor temperature 3
- Lcd display had indicated as normal illumination when power supply switch is on however outdoor unit cannot be operated but it is necessary to take 3 to 5 minutes for outdoor unit to start from the timing of remote control on off switch is on 3
- Lcd display of wired remote control had not illuminate although the main power supply switch is on 3
- Manual address setting is also possible by using dip switch on indoor unit p c board however this address setting is only possible when made proper wiring connection and also indoor unit should be original virgin unit 3
- Model 50hz b24dbe5 b28dbe5 b28dbe8 b34dbe5 b34dbe8 b43dbe8 b50dbe8 3
- Operation range 3
- P c board had memorized wrong setting information 3
- Power supply 3
- Service information 3
- The applicable voltage range for each unit is given in the following table the working voltage among the three phases must be balanced within 3 deviation from each voltage at the compressor terminals the starting voltage must be higher than 85 of the rated voltage 3
- The new duct type new outdoor models are possible to have address setting for twin control by automatic when main power supply is switched on 3
- When changing the system from twin control to normal one to one system 3
- When main power supply switch is on the p c board will automatically memorized the connecting system consequently when initial power supply is on there will not be interchangeability of units even of the same type and same capacity unit therefore unable to connect the unit to another system 3
- When making the replacement of units as master and slave etc 3
- Compact design 4
- Easy maintenance 4
- Features 4
- Flexible installation in smaller spaces 4
- Hide away type 4
- Outdoor unit 4
- Versatile installation 4
- A brand new control method using the latest in technology 5
- Group control equipment 5
- Low ambient cooling operation 5
- Quiet efficient design 5
- Twin operation 5
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 6
- Cs f24dd3e5 cu b24dbe5 6
- D b 6 c w b 42 f w b 6
- Electrical data 50 hz 6
- Heating capacities are based on indoor temperature 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f 6
- Specification 6
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 7
- Cs f28dd3e5 cu b28dbe5 7
- Electrical data 50 hz 7
- Heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 7
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 8
- Cs f28dd3e5 cu b28dbe8 8
- Electrical data 50 hz 8
- Heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 8
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 9
- Cs f34dd3e5 cu b34dbe5 9
- D b 6 c w b 42 f w b 9
- Electrical data 50 hz 9
- Heating capacities are based on indoor temperature 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f 9
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 10
- Cs f34dd3e5 cu b34dbe8 10
- D b 6 c w b 42 f w b 10
- Electrical data 50 hz 10
- Heating capacities are based on indoor temperature 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f 10
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 11
- Cs f43dd3e5 cu b43dbe8 11
- Electrical data 50 hz 11
- Heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 11
- Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 12
- Cs f50dd3e5 cu b50dbe8 12
- Electrical data 50 hz 12
- Heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 12
- Dimensions 13
- Refrigeration cycle 17
- Block diagram 19
- Wiring diagram 21
- Are not available for operation if one of these buttons is pressed function will not be available 26
- Buttons marked with 26
- Buttons marked with are not needed for normal operation if one of these buttons is pressed by mistake press the same button once more to cancel the operation 26
- Do not operate the remote control with wet hands otherwise electric shock or malfunction may occur 26
- Do not press the remote control buttons with sharp object as this may damage the remote control 26
- Ensure that the correct button is pressed as simultaneous pressing of the multiple buttons will not make the setting correct 26
- Name and function of each part 26
- The illustration above is for explanatory purposes only the appearance will be different during actual operation 26
- When the power resumed after power failure the unit will restart automatically with all the previous settings preserved by the memory function auto restart function 26
- Wired remote control operating instructions 26
- How to select the timer 29
- How to set remote control day and time 29
- Daily timer setting 30
- Cannot set 2 programs with same time setting in a day 31
- Display 31
- Final display of daily timer 31
- How to set weekly timer 31
- On timer can be set together with your desired temperature however this temperature will be used continuously 31
- Single one day setting 31
- Weekly timer setting 31
- You also may select collective many days with same time setting or individual 31
- You can set the timer for 1 week monday to sunday with 6 programs per day 31
- A monday to friday same time 1st program on 9 00 2nd program off 16 00 32
- B only wednesday additional 3rd program off 12 30 4th program on 13 30 32
- C only saturday 1st program on 10 00 with 20 c 2nd program off 14 00 32
- D sunday holiday no need to set any timer 32
- For example if you want to set 32
- Timer that has setting nearest to current time and day will be activated first 32
- To check the setting timer press select button then up or down button to select day the display will show each program for the selected day 32
- To reset the setting for all press select button then ensure all day setting with triangle mark then press cancel button for all the programs 32
- Cooling operation 33
- Operation detail 33
- Auto operation 34
- Fan operation 34
- Heating operation 34
- Soft dry operation 34
- Auto fan speed 35
- Cooling indoor fan control 35
- Heating indoor fan control 35
- However when operation start or during operation fan speed control is limited due to prevent a cold draft for example when heating operation start 35
- If thermostat is off indoor fan fixed low speed 35
- Manual fan speed 35
- Normal control 35
- Operation starts at high medium or low speed set by remote control 35
- When operation start or during operation fan speed control by detecting indoor heat exchanger as follows 35
- When operation starts or shifting to thermostat on condition from thermostat off condition indoor fan operates as below 35
- After 2 minutes the outdoor pipe temperature is detected and the outdoor unit fan speed is changed automatically 36
- Cooling outdoor fan control 36
- Depending on differences between room temperature and setting temperature compressor operation is decided and starts operation 36
- During cooling operation outdoor fan speed changes according to outdoor pipe temperature 36
- During heating operation the fan speed is controlled by indoor heat exchanger temperature 36
- Heating outdoor fan control 36
- If temperature difference matches values shown below thermostat switches off 36
- In case of twin operation the higher indoor heat exchanger temperature is used to control the fan speed during heating operation the fan speed is controlled by indoor heat exchanger temperature 36
- Odour cut control 36
- Odour cut operation removes the odour generated at indoor heat exchanger by using drain water come out from indoor heat exchanger 36
- Odour cut operation starts when compressor or thermostat is on 36
- Operation control 36
- Outdoor fan on time is a variable with the range of 200ms to 2000ms 36
- Press odour button at remote control to enable odour cut operation 36
- The fan speed is controlled by the timing of turning the outdoor fan on and off within an interval 36
- Thermostat control 36
- When outdoor pipe temperature increases internal timing also increases 36
- Energy save control 37
- Hot start control 37
- Powerful control 37
- Deice control 38
- Dew form prevention control 38
- Freeze prevention control 38
- Crank case heater control 39
- Outdoor fan remaining heat removal control 39
- Outdoor low pressure protection control 39
- Protection control 39
- Pump down 39
- Time delay safe control 39
- Connection capacity protection control 40
- Ct disconnection detection control 40
- Discharge temperature protection control 40
- Outdoor high pressure protection control 40
- Over current protection control 40
- Sensor disconnection detection control 40
- Four way valve error detection control 41
- High pressure switch disconnection error detection control 41
- Low pressure switch disconnection error detection control 41
- Test run 41
- Valve error detection control 41
- Add refrigerant main pipe branch pipe la branch pipe lb 2 8 30 50 formula 2 42
- Add refrigerant main pipe branch pipe la branch pipe lb 30 50 formula 4 42
- Calculation 1 42
- Calculation 2 42
- Correction of capacities 42
- Correction of capacities according to the connecting pipe length the data of rated capacities marked on the name plate are based on 7 metres connecting pipe and horizontal installation 42
- In case of cu b28dbe5 b28dbe8 b34dbe5 b34dbe8 42
- In case of cu b43dbe8 b50dbe8 42
- Installation instruction 42
- Pipe length 42
- Pipe length main pipe branch pipe la branch pipe lb 2 8 formula 1 42
- Pipe length main pipe branch pipe la branch pipe lb formula 3 42
- Piping elevation b outdoor unit installed at top 42
- Piping elevation c outdoor unit installed at bottom 42
- When pipe length exceed 30m calculated by formula 1 adding refrigerant amount should be calculated by formula 2 if calculation result is less than 30m it is not necessary to add refrigerant 42
- When pipe length exceed 30m calculated by formula 3 adding refrigerant amount should be calculated by formula 4 if calculation result is less than 30m it is not necessary to add refrigerant 42
- Before shipment this air conditioner is filled with the rated amount of refrigerant subject to 30m piping length the rated amount of refrigerant is indicated on the name plate but when the piping length exceeds 30m additional charge is required according to the following table 44
- Example cs f24dd3e5 in case of 31m long pipe one way the amount of refrigerant to be replenished is 31 30 x 50 50g 44
- Position of the centre gravity 44
- Refrigerant additional charge 44
- The piping length exceeds 30 metres applicable for all models 44
- After installation work has been completed do not only make sure that the unit is free from any abnormal condition through the execution of trial run but also explain how to use and how to perform maintenance of this unit to the customer according to the instruction manual 45
- As to indications with illustration 45
- Cautions such items also have a chance for leading to significant result depending on the situations 45
- Cautions those that have much chances for leading to significant result such as fatality or serious injury if wrong installation would have been carried out are listed compiling them especially into the column of 45
- However even in the case of items which are listed in the column of 45
- In addition request the customer to keep this manual for installation work together with the instruction manual 45
- In either case important descriptions regarding the safety are listed then observe them without fail 45
- Indoor unit installation 45
- Precautions shown here are differentiated between 45
- Warnings 45
- Warnings and 45
- 6 and 7 should be installed when the duct will be installed at the return hole 46
- Accessories packed in the indoor unit container 46
- If the height from the floor to ceiling exceeds three meters air flow distribution deteriorates and the effect is decreased 46
- Install the indoor unit once the following conditions are satisfied and after receiving the customer approval 46
- Place the indoor unit easy water drainage suitable dimension h is necessary to get slop to drain as figure 46
- Provide a check port on the piping side ceiling for repair and maintenance 46
- Selecting the location for the indoor unit 46
- The indoor unit must allow easy connection to the outdoor unit 46
- The indoor unit must allow easy draining 46
- The indoor unit must be away from heat and steam sources but avoid installing it near an entrance 46
- The indoor unit must be free from any obstacles in path of the air inlet and outlet and must allow spreading of air throughout the room 46
- The indoor unit must be within a maintenance space 46
- The installation position must be able to support a load four times the indoor unit weight 46
- Warnings 46
- Installation of indoor unit 48
- Indoor unit drain piping 50
- Refrigerant piping 50
- Heat insulation 51
- Always ground the air conditioner with a grounding wire and screw to meet the local regulations 52
- Be sure to connect the wires correctly to terminal board with connecting the crimp type ring terminal to the wires 52
- Be sure to turn off the main power before installing and connecting the remote controller 52
- Electrical wiring 52
- Feed the power source to the unit via a distribution switch board designed for this purpose the switch should disconnected all poles with a contact separation of at least 3 mm 52
- Select a power source that is capable of supplying the current required by the air conditioner 52
- Use the standard power cord for europe such as h05rn f or h07rn f which conforms to cenelec har rating specifications or use the cables based on iec standard 245iec57 245iec66 52
- Settings 53
- 0 precautions in test run 54
- As for timer output 54
- Connect the timer cord to connector cn timer on print circuit board 54
- If using the remote control unit to carry out test operation follow the procedure given below 54
- Test operation can be carried out using the remote control unit or at the outdoor unit if carrying out test operation at the outdoor unit refer to test operation in the outdoor unit installation manual 54
- The initial power supply must provide at least 90 of the rated voltage otherwise the air conditioner may not operate 54
- 1 check the following items when installation is complete 55
- 2 hand over 55
- After installation work has been completed do not only make sure that the unit is free from any abnormal condition through the execution of try run but also explain how to use and how to perform maintenance of this unit to the customer according to the instruction manual 56
- As to indications with illustration 56
- Cautions such items also have a chance for leading to significant result depending on the situations 56
- Cautions those that have much chances for leading to significant result such as fatality or serious injury if wrong installation would have been carried out are listed compiling them especially into the column of 56
- However even in the case of items which are listed in the column of 56
- In addition request the customer to keep this manual for installation work together with instruction manual 56
- In either case important descriptions regarding the safety are listed then observe them without fail 56
- Outdoor unit installation 56
- Precautions shown here are differentiated between 56
- Warnings 56
- Warnings and 56
- A brazing work 57
- Accessories supplied with outdoor unit 57
- Before installation work 57
- Brazing work needs replacing air inside pipe with nitrogen gas in order to prevent oxidation scale from occurring this is called nitrogen replacement and one of very important work in brazing refrigerant piping oxidation preventive is not possible to use 57
- Charge hose 57
- Check that all accessory parts are present before installing the outdoor unit 57
- Gas leakage detection warning device 57
- Gauge manifold 57
- Installation work 57
- The following parts are supplied as accessories with each outdoor unit 57
- There are tools and materials for both new refrigeration and usual refrigeration you can use together and for either two of them you can use use the below for new refrigeration 57
- This product is using new refrigeration r410a the basic way of installation work is the same as usual but water and impurities should be controlled more strictly than before due to characteristic of refrigerating machine oil therefore selection of materials to use and processing storing and brazing need appropriate construction and control 57
- Tools and materials 57
- Vacuum pump with backflow preventor system 57
- After that keep the pressure 100 kpa for 1 hour and confirm the vacuum gauge value not increasing 59
- Dry vacuuming 59
- For the use of a gas cylinder without siphon inside turn it upside down and use it 59
- Handling the unit by hold the handle at compressor side and hold the basepan bottom at fan side 59
- If vacuum gauge value is increase there is possibility of water inside the unit or there is any leakage 59
- If vacuum pump possible vacuuming until less than 100 kpa 59
- Regarding handling 59
- Running vacuum pump at both liquid and gas side for more than 1 hour and vacuuming until 100 kpa 59
- Select location which satisfies the following condition and then confirm with the customer that such a place is satisfactory before installing the outdoor unit 59
- Selecting the outdoor unit installation locations 59
- We recommend manifold with sight glass 59
- Transporting and installing the outdoor unit 60
- Connecting the pipes 61
- Charging with refrigerant 62
- Heat insulation 62
- Clamp the wires securely to the terminal connections using cord clamps so that no undue force is placed on the wires 63
- Connect the power supply wiring and indoor outdoor unit connection wiring according to the electrical circuit diagram instructions 63
- Electrical wiring 63
- Once all wiring work has been completed tie the wires and cords together with the binding strap so that they do not touch other parts such as the compressor and pipes 63
- Operate the pump down according to the following procedures 63
- Pump down operation 63
- Earth lead wire shall be longer than other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage 64
- Power supply specifications 64
- 0 connecting power supply cables 65
- 1 precautions with regard to test operation 65
- Caution 65
- For three phase model never operate the unit by pressing the electromagnetic switch 65
- Never correct the phase by switching over any of the wires inside the unit 65
- 2 as to making the inspection after completion of work fully understood 66
- 3 as to delivery to the customer 66
- As to the structure and appearance check following items 66
- At the time when the work has been completed measure and record the characteristics of test run without fail and keep the measuring date etc 66
- Carry out the measurement regarding room temperature outside air temperature suction and air discharge temperatures wind velocity wind volume voltage current presence of abnormal vibration operating pressure piping temperature compressive pressure airtight pressure as items to be measured 66
- Deliver the instruction manual to the customer without fail 66
- Request the customer to operate this air conditioner viewing instruction manual come with indoor unit in practice and explain how to operate 66
- Accessories supplied with wired remote controller 67
- Notes regarding wired remote controller setting up location 67
- Wired remote controller installation 67
- Remote controller installation 68
- Settings 70
- Self diagnosis function 72
- Test operation 72
- General 74
- Piping connections 74
- Refrigerant charging 74
- Twin systems installation 74
- Wiring 74
- A chemical characteristics the chemical characteristics of r410a are similar to those of r22 in that both are chemically stable non flammable refrigerants with low toxicity however just like r22 the specific gravity of r410a gas is heavier than that of air because of this it can cause an oxygen deficiency if it leaks into a closed room since it collects in the lower area of the room it also generates toxic gas when it is directly exposed to a flame so it must be used in a well ventilated environment where it will not collect 75
- About r410a refrigerant 75
- B compositional change pseudo azeotropic characteristics r410a is a pseudo azeotropic mixture comprising the two components r32 and r125 multi component refrigerants with these chemical characteristics exhibit little compositional change even from phase changes due to vaporization or condensation which means that there is little change in the circulating refrigerant composition even when the refrigerant leaks from the gaseous section of the piping accordingly r410a can be handled in almost the same manner as the single component refrigerant r22 however when charging because there is a slight change in composition between the gas phase and the liquid phase inside a cylinder or other container charging should basically begin with the liquid side 75
- C pressure characteristics as seen in table 2 the gas pressure of r410a is approximately 1 times as high as that of r22 at the same refrigerant temperature which means that special r410a tools and materials with high pressure specifications must be used for all refrigerant piping work and servicing 75
- Converting air conditioners to r410a since it was declared in1974 that chlorofluorocarbons cfc hydro chlorofluorocarbons hcfc and other substances pose a destructive danger to the ozone layer in the earth s upper stratosphere 20 to 40 km above the earth measures have been taken around the world to prevent this destruction the r22 refrigerant which has conventionally been used in acs is an hcfc refrigerant and therefore possesses this ozone destroying potential international regulations the montreal protocol on ozone damaging substances and the domestic laws of various countries call for the early substitution of r22 by a refrigerant which will not harm the ozone layer 75
- In acs the hfc refrigerant which has become the mainstream alternative is called r410a compared with r22 the pressure of r410a is approximately 1 times as high at the same refrigerant temperature but the energy efficiency is about the same consisting of hydrogen h fluorine f and carbon c r410a is an hfc refrigerant another typical hfc refrigerant is r407c while the energy efficiency of r407c is somewhat inferior to that of r410a it offers the advantage of having pressure characteristics which are about the same as those of r22 and is used mainly in packaged acs 75
- Installation servicing air conditioner 75
- Outline 75
- The characteristics of hfc r410a refrigerants 75
- 1 always replace the dryer of the outdoor unit at the same time the replacement dryer is wrapped in a vacuum pack replace it last among the refrigerating cycle parts start brazing as soon as you have opened the vacuum pack and begin the vacuuming operation within 2 hours 76
- 1 you can use the conventional r22 flaring tool if you need to buy a new tool buy the r410a type 76
- 2 use when it is necessary to detect small gas leaks 76
- After finishing the installation check to make sure there is no refrigerant gas leaking 76
- Cause the gas pressure of r410a is approximately 1 times as high as that of r22 a mistake in installation or servicing could result in a major accident it is essential that you use r410a tools and materials and that you observe the following precautions to ensure safety 76
- D r410a refrigerating machine oil conventionally mineral oil or a synthetic oil such as alkylbenzene has been used for r22 refrigerating machine oil because of the poor compatibility between r410a and conventional oils like mineral oil however there is a tendency for the refrigerating machine oil to collect in the refrigerating cycle for this reason polyester and other synthetic oils which have a high compatibility with r410a are used as refrigerating machine oil because of the high hygroscopic property of synthetic oil more care must be taken in its handling than was necessary with conventional refrigerating machine oils also these synthetic oils will degrade if mixed with mineral oil or alkylbenzene causing clogging in capillary tubes or compressor malfunction do not mix them under any circumstances 76
- Do not perform any alterations on the ac unit under any circumstances have all repair work done by a specialist incorrect repairs can result in a water leakage electric shock fire etc 76
- Do not use any refrigerant other than r410a in acs that have been used with r410a 76
- For other installation work you should have the usual tools such as screwdrivers a metal cutting saw an electrical drill a hole core drill 65 or 70 dia a tape measure a level a thermometer a clamp meter an insulation tester a voltmeter etc 76
- If any refrigerant gas leaks while you are working ventilate the room toxic gas may be generated if refrigerant gas is exposed to a direct flame 76
- In order to prevent an r410a ac from mistakenly being charged with any other refrigerant the diameter of the 3 way valve service port on the outdoor unit has been changed also to increase its ability to withstand pressure the opposing dimensions have been changed for the refrigerant pipe flaring size and flare nut accordingly when installing or servicing refrigerant piping you must have both the r410a and ordinary tools listed below 76
- Necessary tools 76
- Safety measures when installing servicing refrigerant piping 76
- Tools for installing servicing refrigerant piping 76
- When installing or transferring an ac do not allow any air or substance other than r410a to mix into the refrigeration cycle if it does the pressure in the refrigeration cycle can become abnormally high possibly causing an explosion and or injury 76
- When installing or transferring an ac follow the instructions in the installation instructions carefully incorrect installation can result in an abnormal refrigeration cycle or water leakage electric shock fire etc 76
- Because the pressure is higher for the r410a type the conventional type cannot be used 77
- Copper tube gauge for clearance adjustment used when flaring with the conventional flaring tool clutch type 77
- Flaring tool clutch type 77
- In the r410a flaring tool the receiving hole for the clamp bar is enlarged so the clearance from the clamp bar can be set to 0 0 mm and the spring inside the tool is strengthened to increase the strength of the pipe expanding torque this flaring tools can also be used with r22 piping so we recommend that you select it if you are buying a new flaring tool 77
- Manifold gauge 77
- R410a tools 77
- The shape of the manifold ports has been changed to prevent the possibility of mistakenly charging with another type of refrigerant 77
- This gauge makes it easy to set the clearance for the copper tube to 1 1 mm from the clamp bar of the flaring tool 77
- Torque wrenches 77
- R410a tools which are usable for r22 models 79
- Piping materials 80
- Processing and connecting piping materials 80
- Refrigerant piping work 80
- A check to make sure there is no scratches dust etc on the flare and union 81
- A sheathed copper pipes and copper element pipes when using these pipes check to make sure that they are the stipulated thickness for flare nuts be sure to used the same nut that is used on the ac unit 81
- B align the flared surface with the axial center of the union 81
- Because the gas pressure of r410a is approximately 1 times as high as that of r22 copper pipes with the thickness shown in table 10 and with minimal impurities must be used care must also be taken during storage to ensure that pipes are not crushed deformed or scratched and that no dust moisture or other substance enters the pipe interior when storing sheathed copper pipes or plain copper pipes seal the openings by pinching or taping them securely 81
- C use a torque wrench and tighten to the specified torque the tightening torque for r410a is the same as the conventional torque value for r22 be careful because if the torque is too weak it may lead to a gas leak if it is too strong it may split the flare nut or make it impossible to remove the flare nut 81
- Makings and management 81
- Procedure and precautions for flare connection 81
- Storing and managing piping materials 81
- Types of piping and their storage the following is a general classification of the refrigerant pipe materials used for acs 81
- Inspecting gas leaks with a vacuum pump for new installations using new refrigerant piping 82
- Installation transferring servicing 82
- Ac units replacement using existing refrigerant piping 83
- Recharging refrigerant during servicing 83
- Refrigerant compatibility using r410a refrigerant in r22 acs and vice versa 83
- Transferring using new refrigerant piping 83
- Brazing 85
- Servicing tips 85
- For standard installation 86
- Trouble shooting guide 86
- During twin operation 88
- During group control operation 90
- Test operation and self diagnosis 91
- Test operation from the outdoor unit 91
- Test run forced cooling mode and heating mode 91
- Self diagnosis function 92
- Test operation using the wired remote control 92
- Check the resistance of each thermistor of both indoor and outdoor units by referring the resistance table as follows 94
- During outdoor unit emergency operation or test operation the led on the p c b will flash 94
- Emergency operation 94
- If abnormality detected in the indoor or outdoor unit turn off the main power supply and find the cause 94
- If there is an abnormality in the temperature thermistor disconnect or shorted indoor unit cannot be operated 94
- Thermistor resistance table 94
- If the problem disappears and operation returns to normal the check display on the remote control unit will switch off but the self diagnosis led will remain illuminated until operation is resumed 95
- Refer to the table below to remove the cause of the problem and then re start the air conditioner system 95
- Self diagnosis error code table 95
- The display screen on the wired remote control unit and the self diagnosis leds green on the outdoor unit printed circuit board in the outdoor unit can be used to indicate where the location of a problem is 95
- Sound measurement point 103
- Discharge and suction pressure 104
- Saturation temperature of discharge and suction pressure 104
- Capacity and power consumption 106
- Cooling performance 106
- Cs f24dd3e5 cu b24dbe5 106
- Ipt cooling power consumption 106
- Shc sensible heat capacity 106
- Tc cooling capacity 106
- Cs f28dd3e5 cu b28dbe5 108
- Ipt cooling power consumption 108
- Shc sensible heat capacity 108
- Tc cooling capacity 108
- Cs f28dd3e5 cu b28dbe8 110
- Ipt cooling power consumption 110
- Shc sensible heat capacity 110
- Tc cooling capacity 110
- Cs f34dd3e5 cu b34dbe5 112
- Ipt cooling power consumption 112
- Shc sensible heat capacity 112
- Tc cooling capacity 112
- Cs f34dd3e5 cu b34dbe8 114
- Ipt cooling power consumption 114
- Shc sensible heat capacity 114
- Tc cooling capacity 114
- Cs f43dd3e5 cu b43dbe8 116
- Ipt cooling power consumption 116
- Shc sensible heat capacity 116
- Tc cooling capacity 116
- Cs f50dd3e5 cu b50dbe8 118
- Ipt cooling power consumption 118
- Shc sensible heat capacity 118
- Tc cooling capacity 118
- Cs f24dd3e5 cu b24dbe5 120
- Cs f28dd3e5 cu b28dbe5 120
- Cs f28dd3e5 cu b28dbe8 120
- Heating performance 120
- Cs f34dd3e5 cu b34dbe5 121
- Ipt cooling power consumption 121
- Shc sensible heat capacity 121
- Tc cooling capacity 121
- Cs f34dd3e5 cu b34dbe8 123
- Ipt cooling power consumption 123
- Shc sensible heat capacity 123
- Tc cooling capacity 123
- Cs f43dd3e5 cu b43dbe8 125
- Ipt cooling power consumption 125
- Shc sensible heat capacity 125
- Tc cooling capacity 125
- Cs f50dd3e5 cu b50dbe8 127
- Ipt cooling power consumption 127
- Shc sensible heat capacity 127
- Tc cooling capacity 127
- Cs f24dd3e5 129
- Fan performance 129
- Cs f28dd3e5 130
- Cs f34dd3e5 131
- Cs f43dd3e5 132
- Cs f50dd3e5 133
- Indoor unit 134
- Mpa 10 kgf c 134
- Outdoor unit 134
- Safety device 134
- Operating characteristics 135
- Indoor unit 136
- Replacement parts 136
- All parts are supplied from taiwan ptw 137
- Cs f24dd3e5 cs f28dd3e5 137
- All parts are supplied from taiwan ptw 139
- Cs f34dd3e5 cs f43dd3e5 cs f50dd3e5 139
- Outdoor unit 140
- All parts are supplied from phaam malaysia vendor code 061 142
- All parts are supplied from phaam malaysia vendor code 061 146
- Indoor unit 147
- Print pattern 147
- Outdoor unit 148
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