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Panasonic CS-F50DD1E5 / CU-B50DBE8 [35/147] Operation detail
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9 OPERATION DETAIL
9.1. Cooling operation
• Cooling operation can be set using remote control.
• This operation is applied to cool down the room temperature reaches the setting temperature set on the remote control.
• Cooling Operation Time Diagram.
35
Содержание
- Air conditioner 1
- Contents 1
- Cs f24dd1e5 cu b24dbe5 cs f28dd1e5 cu b28dbe5 cs f28dd1e5 cu b28dbe8 cs f34dd1e5 cu b34dbe5 1
- Cs f34dd1e5 cu b34dbe8 cs f43dd1e5 cu b43dbe8 cs f50dd1e5 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
- Easy maintenance 4
- Features 4
- Flexible installation 4
- Flexible installation in smaller spaces 4
- Hide away type 4
- Low ambient cooling operation 4
- Outdoor unit 4
- Quiet efficient design 4
- Thin lightweight design 4
- A brand new control method using the latest in technology 5
- Group control equipment 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 f24dd1e5 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 f28dd1e5 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 f28dd1e5 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 f34dd1e5 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 f34dd1e5 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 f43dd1e5 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 f50dd1e5 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 18
- Block diagram 20
- Wiring diagram 22
- Are not available for operation if one of these buttons is pressed function will not be available 28
- Buttons marked with 28
- 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 28
- Do not operate the remote control with wet hands otherwise electric shock or malfunction may occur 28
- Do not press the remote control buttons with sharp object as this may damage the remote control 28
- Ensure that the correct button is pressed as simultaneous pressing of the multiple buttons will not make the setting correct 28
- Name and function of each part 28
- The illustration above is for explanatory purposes only the appearance will be different during actual operation 28
- 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 28
- Wired remote control operating instructions 28
- How to select the timer 31
- How to set remote control day and time 31
- Daily timer setting 32
- Cannot set 2 programs with same time setting in a day 33
- Display 33
- Final display of daily timer 33
- How to set weekly timer 33
- On timer can be set together with your desired temperature however this temperature will be used continuously 33
- Single one day setting 33
- Weekly timer setting 33
- You also may select collective many days with same time setting or individual 33
- You can set the timer for 1 week monday to sunday with 6 programs per day 33
- A monday to friday same time 1st program on 9 00 2nd program off 16 00 34
- B only wednesday additional 3rd program off 12 30 4th program on 13 30 34
- C only saturday 1st program on 10 00 with 20 c 2nd program off 14 00 34
- D sunday holiday no need to set any timer 34
- For example if you want to set 34
- Timer that has setting nearest to current time and day will be activated first 34
- 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 34
- 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 34
- Cooling operation 35
- Operation detail 35
- Auto operation 36
- Fan operation 36
- Heating operation 36
- Soft dry operation 36
- Auto fan speed 37
- Cooling indoor fan control 37
- Heating indoor fan control 37
- However when operation start or during operation fan speed control is limited due to prevent a cold draft for example when heating operation start 37
- If thermostat is off indoor fan fixed low speed 37
- Manual fan speed 37
- Normal control 37
- Operation starts at high medium or low speed set by remote control 37
- When operation start or during operation fan speed control by detecting indoor heat exchanger as follows 37
- When operation starts or shifting to thermostat on condition from thermostat off condition indoor fan operates as below 37
- After 2 minutes the outdoor pipe temperature is detected and the outdoor unit fan speed is changed automatically 38
- Cooling outdoor fan control 38
- Depending on differences between room temperature and setting temperature compressor operation is decided and starts operation 38
- During cooling operation outdoor fan speed changes according to outdoor pipe temperature 38
- During heating operation the fan speed is controlled by indoor heat exchanger temperature 38
- Heating outdoor fan control 38
- If temperature difference matches values shown below thermostat switches off 38
- 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 38
- Odour cut control 38
- Odour cut operation removes the odour generated at indoor heat exchanger by using drain water come out from indoor heat exchanger 38
- Odour cut operation starts when compressor or thermostat is on 38
- Operation control 38
- Outdoor fan on time is a variable with the range of 200ms to 2000ms 38
- Press odour button at remote control to enable odour cut operation 38
- The fan speed is controlled by the timing of turning the outdoor fan on and off within an interval 38
- Thermostat control 38
- When outdoor pipe temperature increases internal timing also increases 38
- Energy save control 39
- Hot start control 39
- Powerful control 39
- Deice control 40
- Dew form prevention control 40
- Freeze prevention control 40
- Crank case heater control 41
- Outdoor fan remaining heat removal control 41
- Outdoor low pressure protection control 41
- Protection control 41
- Pump down 41
- Time delay safe control 41
- Connection capacity protection control 42
- Ct disconnection detection control 42
- Discharge temperature protection control 42
- Outdoor high pressure protection control 42
- Over current protection control 42
- Sensor disconnection detection control 42
- Four way valve error detection control 43
- High pressure switch disconnection error detection control 43
- Low pressure switch disconnection error detection control 43
- Test run 43
- Valve error detection control 43
- Add refrigerant main pipe branch pipe la branch pipe lb 2 8 30 50 formula 2 44
- Add refrigerant main pipe branch pipe la branch pipe lb 30 50 formula 4 44
- Calculation 1 44
- Calculation 2 44
- Correction of capacities 44
- 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 44
- In case of cu b28dbe5 b28dbe8 b34dbe5 b34dbe8 44
- In case of cu b43dbe8 b50dbe8 44
- Installation instruction 44
- Pipe length 44
- Pipe length main pipe branch pipe la branch pipe lb 2 8 formula 1 44
- Pipe length main pipe branch pipe la branch pipe lb formula 3 44
- Piping elevation b outdoor unit installed at top 44
- Piping elevation c outdoor unit installed at bottom 44
- 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 44
- 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 44
- 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 46
- Example cs f24dd1e5 in case of 31m long pipe one way the amount of refrigerant to be replenished is 31 30 x 50 50g 46
- Position of the centre gravity 46
- Refrigerant additional charge 46
- The piping length exceeds 30 metres applicable for all models 46
- 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 47
- As to indications with illustration 47
- Cautions such items also have a chance for leading to significant result depending on the situations 47
- 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 47
- However even in the case of items which are listed in the column of 47
- In addition request the customer to keep this manual for installation work together with the instruction manual 47
- In either case important descriptions regarding the safety are listed then observe them without fail 47
- Indoor unit installation 47
- Precautions shown here are differentiated between 47
- Warnings 47
- Warnings and 47
- Accessories packed in the indoor unit container 48
- If the height from the floor to ceiling exceeds three meters air flow distribution deteriorates and the effect is decreased 48
- Install the indoor unit once the following conditions are satisfied and after receiving the customer approval 48
- Place the indoor unit easy water drainage suitable dimension h is necessary to get slop to drain as figure 48
- Provide a check port on the piping side ceiling for repair and maintenance 48
- Selecting the location for the indoor unit 48
- The indoor unit must allow easy connection to the outdoor unit 48
- The indoor unit must allow easy draining 48
- The indoor unit must be away from heat and steam sources but avoid installing it near an entrance 48
- 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 48
- The indoor unit must be from at least 3m away from any noise generating equipment the electrical wiring must be shielded with a steel conduit 48
- The indoor unit must be within a maintenance space 48
- The installation position must be able to support a load four times the indoor unit weight 48
- Warnings 48
- Installation of indoor unit 50
- Indoor unit drain piping 51
- Refrigerant piping 51
- Heat insulation 52
- Always ground the air conditioner with a grounding wire and screw to meet the local regulations 53
- Be sure to connect the wires correctly to terminal board with connecting the crimp type ring terminal to the wires 53
- Be sure to turn off the main power before installing and connecting the remote controller 53
- Electrical wiring 53
- 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 53
- Select a power source that is capable of supplying the current required by the air conditioner 53
- 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 53
- Settings 54
- 0 precautions in test run 55
- As for timer output 55
- Connect the timer cord to connector cn timer on print circuit board 55
- If using the remote control unit to carry out test operation follow the procedure given below 55
- 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 55
- The initial power supply must provide at least 90 of the rated voltage otherwise the air conditioner may not operate 55
- 1 check the following items when installation is complete 56
- 2 hand over 56
- 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 57
- As to indications with illustration 57
- Cautions such items also have a chance for leading to significant result depending on the situations 57
- 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 57
- However even in the case of items which are listed in the column of 57
- In addition request the customer to keep this manual for installation work together with instruction manual 57
- In either case important descriptions regarding the safety are listed then observe them without fail 57
- Outdoor unit installation 57
- Precautions shown here are differentiated between 57
- Warnings 57
- Warnings and 57
- A brazing work 58
- Accessories supplied with outdoor unit 58
- Before installation work 58
- 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 58
- Charge hose 58
- Check that all accessory parts are present before installing the outdoor unit 58
- Gas leakage detection warning device 58
- Gauge manifold 58
- Installation work 58
- The following parts are supplied as accessories with each outdoor unit 58
- 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 58
- 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 58
- Tools and materials 58
- Vacuum pump with backflow preventor system 58
- After that keep the pressure 100 kpa for 1 hour and confirm the vacuum gauge value not increasing 60
- Dry vacuuming 60
- For the use of a gas cylinder without siphon inside turn it upside down and use it 60
- Handling the unit by hold the handle at compressor side and hold the basepan bottom at fan side 60
- If vacuum gauge value is increase there is possibility of water inside the unit or there is any leakage 60
- If vacuum pump possible vacuuming until less than 100 kpa 60
- Regarding handling 60
- Running vacuum pump at both liquid and gas side for more than 1 hour and vacuuming until 100 kpa 60
- Select location which satisfies the following condition and then confirm with the customer that such a place is satisfactory before installing the outdoor unit 60
- Selecting the outdoor unit installation locations 60
- We recommend manifold with sight glass 60
- Transporting and installing the outdoor unit 61
- Connecting the pipes 62
- Charging with refrigerant 63
- Heat insulation 63
- Clamp the wires securely to the terminal connections using cord clamps so that no undue force is placed on the wires 64
- Connect the power supply wiring and indoor outdoor unit connection wiring according to the electrical circuit diagram instructions 64
- Electrical wiring 64
- 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 64
- Operate the pump down according to the following procedures 64
- Pump down operation 64
- 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 65
- Power supply specifications 65
- 0 connecting power supply cables 66
- 1 precautions with regard to test operation 66
- Caution 66
- For three phase model never operate the unit by pressing the electromagnetic switch 66
- Never correct the phase by switching over any of the wires inside the unit 66
- 2 as to making the inspection after completion of work fully understood 67
- 3 as to delivery to the customer 67
- As to the structure and appearance check following items 67
- 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 67
- 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 67
- Deliver the instruction manual to the customer without fail 67
- Request the customer to operate this air conditioner viewing instruction manual come with indoor unit in practice and explain how to operate 67
- Accessories supplied with wired remote controller 68
- Notes regarding wired remote controller setting up location 68
- Wired remote controller installation 68
- Remote controller installation 69
- Settings 71
- Self diagnosis function 73
- Test operation 73
- General 75
- Piping connections 75
- Refrigerant charging 75
- Twin systems installation 75
- Wiring 75
- 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 76
- About r410a refrigerant 76
- 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 76
- 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 76
- 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 76
- 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 76
- Installation servicing air conditioner 76
- Outline 76
- The characteristics of hfc r410a refrigerants 76
- 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 77
- 1 you can use the conventional r22 flaring tool if you need to buy a new tool buy the r410a type 77
- 2 use when it is necessary to detect small gas leaks 77
- After finishing the installation check to make sure there is no refrigerant gas leaking 77
- 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 77
- 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 77
- 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 77
- Do not use any refrigerant other than r410a in acs that have been used with r410a 77
- 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 77
- 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 77
- 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 77
- Necessary tools 77
- Safety measures when installing servicing refrigerant piping 77
- Tools for installing servicing refrigerant piping 77
- 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 77
- 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 77
- Because the pressure is higher for the r410a type the conventional type cannot be used 78
- Copper tube gauge for clearance adjustment used when flaring with the conventional flaring tool clutch type 78
- Flaring tool clutch type 78
- 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 78
- Manifold gauge 78
- R410a tools 78
- The shape of the manifold ports has been changed to prevent the possibility of mistakenly charging with another type of refrigerant 78
- 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 78
- Torque wrenches 78
- R410a tools which are usable for r22 models 80
- Piping materials 81
- Processing and connecting piping materials 81
- Refrigerant piping work 81
- A check to make sure there is no scratches dust etc on the flare and union 82
- 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 82
- B align the flared surface with the axial center of the union 82
- 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 82
- 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 82
- Makings and management 82
- Procedure and precautions for flare connection 82
- Storing and managing piping materials 82
- Types of piping and their storage the following is a general classification of the refrigerant pipe materials used for acs 82
- Inspecting gas leaks with a vacuum pump for new installations using new refrigerant piping 83
- Installation transferring servicing 83
- Ac units replacement using existing refrigerant piping 84
- Recharging refrigerant during servicing 84
- Refrigerant compatibility using r410a refrigerant in r22 acs and vice versa 84
- Transferring using new refrigerant piping 84
- Brazing 86
- Servicing tips 86
- For standard installation 87
- Trouble shooting guide 87
- During twin operation 89
- During group control operation 91
- Test operation and self diagnosis 92
- Test operation from the outdoor unit 92
- Test run forced cooling mode and heating mode 92
- Self diagnosis function 93
- Test operation using the wired remote control 93
- Check the resistance of each thermistor of both indoor and outdoor units by referring the resistance table as follows 95
- During outdoor unit emergency operation or test operation the led on the p c b will flash 95
- Emergency operation 95
- If abnormality detected in the indoor or outdoor unit turn off the main power supply and find the cause 95
- If there is an abnormality in the temperature thermistor disconnect or shorted indoor unit cannot be operated 95
- Thermistor resistance table 95
- 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 96
- Refer to the table below to remove the cause of the problem and then re start the air conditioner system 96
- Self diagnosis error code table 96
- 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 96
- Technical data 98
- Sound measurement point 104
- Discharge and suction pressure 105
- Saturation temperature of discharge and suction pressure 105
- Capacity and power consumption 107
- Cooling performance 107
- Cs f24dd1e5 cu b24dbe5 107
- Ipt cooling power consumption 107
- Shc sensible heat capacity 107
- Tc cooling capacity 107
- Cs f28dd1e5 cu b28dbe5 109
- Ipt cooling power consumption 109
- Shc sensible heat capacity 109
- Tc cooling capacity 109
- Cs f28dd1e5 cu b28dbe8 111
- Ipt cooling power consumption 111
- Shc sensible heat capacity 111
- Tc cooling capacity 111
- Cs f34dd1e5 cu b34dbe5 113
- Ipt cooling power consumption 113
- Shc sensible heat capacity 113
- Tc cooling capacity 113
- Cs f34dd1e5 cu b34dbe8 115
- Ipt cooling power consumption 115
- Shc sensible heat capacity 115
- Tc cooling capacity 115
- Cs f43dd1e5 cu b43dbe8 117
- Ipt cooling power consumption 117
- Shc sensible heat capacity 117
- Tc cooling capacity 117
- Cs f50dd1e5 cu b50dbe8 119
- Ipt cooling power consumption 119
- Shc sensible heat capacity 119
- Tc cooling capacity 119
- Cs f24dd1e5 cu b24dbe5 121
- Cs f28dd1e5 cu b28dbe5 121
- Cs f28dd1e5 cu b28dbe8 121
- Heating performance 121
- Cs f34dd1e5 cu b34dbe5 122
- Ipt cooling power consumption 122
- Shc sensible heat capacity 122
- Tc cooling capacity 122
- Cs f34dd1e5 cu b34dbe8 124
- Ipt cooling power consumption 124
- Shc sensible heat capacity 124
- Tc cooling capacity 124
- Cs f43dd1e5 cu b43dbe8 126
- Ipt cooling power consumption 126
- Shc sensible heat capacity 126
- Tc cooling capacity 126
- Cs f50dd1e5 cu b50dbe8 128
- Ipt cooling power consumption 128
- Shc sensible heat capacity 128
- Tc cooling capacity 128
- Cs f24dd1e5 130
- Fan performance 130
- Cs f28dd1e5 131
- Cs f34dd1e5 132
- Cs f43dd1e5 133
- Cs f50dd1e5 134
- Indoor unit 135
- Mpa 10 kgf c 135
- Outdoor unit 135
- Safety device 135
- Operating characteristics 136
- Indoor unit 137
- Replacement parts 137
- All parts are supplied from taiwan ptw 138
- Casing included with impeller part 138
- Cs f24dd1e5 cs f28dd1e5 cs f34dd1e5 cs f43dd1e5 cs f50dd1e5 138
- Outdoor unit 139
- All parts are supplied from phaam malaysia vendor code 061 141
- All parts are supplied from phaam malaysia vendor code 061 145
- Indoor unit 146
- Print pattern 146
- Outdoor unit 147
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