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CS-F43DD2E5 / CU-B43DBE8
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Panasonic CS-F43DD2E5 / CU-B43DBE8 [5/145] A brand new control method using the latest in technology

2.3.1. Twin operation

• Simultaneous air conditioning of wide spaces and corners is

possible. Indoor units of same horsepowers and models

can even be used in combination.

• Master unit and slave-units can be set automatically in twin

systems. No address setting is necessary.

• Multiple indoor units can be operated simultaneously with a

single remote control. Note that individual operation is not

possible.

2.3. A brand-new control method using the latest in technology

2.3.2. Group control equipment

Содержание

Air conditioner 1
Contents 1
Cs f24dd2e5 cu b24dbe5 cs f28dd2e5 cu b28dbe5 cs f28dd2e5 cu b28dbe8 cs f34dd2e5 cu b34dbe5 1
Cs f34dd2e5 cu b34dbe8 cs f43dd2e5 cu b43dbe8 cs f50dd2e5 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 f24dd2e5 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 f28dd2e5 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 f28dd2e5 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 f34dd2e5 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 f34dd2e5 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 f43dd2e5 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 f50dd2e5 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 f24dd2e5 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
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 from at least 3m away from any noise generating equipment the electrical wiring must be shielded with a steel conduit 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 49
Refrigerant piping 49
Heat insulation 50
Always ground the air conditioner with a grounding wire and screw to meet the local regulations 51
Be sure to connect the wires correctly to terminal board with connecting the crimp type ring terminal to the wires 51
Be sure to turn off the main power before installing and connecting the remote controller 51
Electrical wiring 51
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 51
Select a power source that is capable of supplying the current required by the air conditioner 51
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 51
Settings 52
0 precautions in test run 53
As for timer output 53
Connect the timer cord to connector cn timer on print circuit board 53
If using the remote control unit to carry out test operation follow the procedure given below 53
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 53
The initial power supply must provide at least 90 of the rated voltage otherwise the air conditioner may not operate 53
1 check the following items when installation is complete 54
2 hand over 54
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 55
As to indications with illustration 55
Cautions such items also have a chance for leading to significant result depending on the situations 55
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 55
However even in the case of items which are listed in the column of 55
In addition request the customer to keep this manual for installation work together with instruction manual 55
In either case important descriptions regarding the safety are listed then observe them without fail 55
Outdoor unit installation 55
Precautions shown here are differentiated between 55
Warnings 55
Warnings and 55
A brazing work 56
Accessories supplied with outdoor unit 56
Before installation work 56
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 56
Charge hose 56
Check that all accessory parts are present before installing the outdoor unit 56
Gas leakage detection warning device 56
Gauge manifold 56
Installation work 56
The following parts are supplied as accessories with each outdoor unit 56
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 56
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 56
Tools and materials 56
Vacuum pump with backflow preventor system 56
After that keep the pressure 100 kpa for 1 hour and confirm the vacuum gauge value not increasing 58
Dry vacuuming 58
For the use of a gas cylinder without siphon inside turn it upside down and use it 58
Handling the unit by hold the handle at compressor side and hold the basepan bottom at fan side 58
If vacuum gauge value is increase there is possibility of water inside the unit or there is any leakage 58
If vacuum pump possible vacuuming until less than 100 kpa 58
Regarding handling 58
Running vacuum pump at both liquid and gas side for more than 1 hour and vacuuming until 100 kpa 58
Select location which satisfies the following condition and then confirm with the customer that such a place is satisfactory before installing the outdoor unit 58
Selecting the outdoor unit installation locations 58
We recommend manifold with sight glass 58
Transporting and installing the outdoor unit 59
Connecting the pipes 60
Charging with refrigerant 61
Heat insulation 61
Clamp the wires securely to the terminal connections using cord clamps so that no undue force is placed on the wires 62
Connect the power supply wiring and indoor outdoor unit connection wiring according to the electrical circuit diagram instructions 62
Electrical wiring 62
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 62
Operate the pump down according to the following procedures 62
Pump down operation 62
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 63
Power supply specifications 63
0 connecting power supply cables 64
1 precautions with regard to test operation 64
Caution 64
For three phase model never operate the unit by pressing the electromagnetic switch 64
Never correct the phase by switching over any of the wires inside the unit 64
2 as to making the inspection after completion of work fully understood 65
3 as to delivery to the customer 65
As to the structure and appearance check following items 65
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 65
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 65
Deliver the instruction manual to the customer without fail 65
Request the customer to operate this air conditioner viewing instruction manual come with indoor unit in practice and explain how to operate 65
Accessories supplied with wired remote controller 66
Notes regarding wired remote controller setting up location 66
Wired remote controller installation 66
Remote controller installation 67
Settings 69
Self diagnosis function 71
Test operation 71
General 73
Piping connections 73
Refrigerant charging 73
Twin systems installation 73
Wiring 73
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 74
About r410a refrigerant 74
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 74
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 74
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 74
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 74
Installation servicing air conditioner 74
Outline 74
The characteristics of hfc r410a refrigerants 74
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 75
1 you can use the conventional r22 flaring tool if you need to buy a new tool buy the r410a type 75
2 use when it is necessary to detect small gas leaks 75
After finishing the installation check to make sure there is no refrigerant gas leaking 75
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 75
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 75
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 75
Do not use any refrigerant other than r410a in acs that have been used with r410a 75
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 75
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 75
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 75
Necessary tools 75
Safety measures when installing servicing refrigerant piping 75
Tools for installing servicing refrigerant piping 75
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 75
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 75
Because the pressure is higher for the r410a type the conventional type cannot be used 76
Copper tube gauge for clearance adjustment used when flaring with the conventional flaring tool clutch type 76
Flaring tool clutch type 76
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 76
Manifold gauge 76
R410a tools 76
The shape of the manifold ports has been changed to prevent the possibility of mistakenly charging with another type of refrigerant 76
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 76
Torque wrenches 76
R410a tools which are usable for r22 models 78
Piping materials 79
Processing and connecting piping materials 79
Refrigerant piping work 79
A check to make sure there is no scratches dust etc on the flare and union 80
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 80
B align the flared surface with the axial center of the union 80
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 80
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 80
Makings and management 80
Procedure and precautions for flare connection 80
Storing and managing piping materials 80
Types of piping and their storage the following is a general classification of the refrigerant pipe materials used for acs 80
Inspecting gas leaks with a vacuum pump for new installations using new refrigerant piping 81
Installation transferring servicing 81
Ac units replacement using existing refrigerant piping 82
Recharging refrigerant during servicing 82
Refrigerant compatibility using r410a refrigerant in r22 acs and vice versa 82
Transferring using new refrigerant piping 82
Brazing 84
Servicing tips 84
For standard installation 85
Trouble shooting guide 85
During twin operation 87
During group control operation 89
Test operation and self diagnosis 90
Test operation from the outdoor unit 90
Test run forced cooling mode and heating mode 90
Self diagnosis function 91
Test operation using the wired remote control 91
Check the resistance of each thermistor of both indoor and outdoor units by referring the resistance table as follows 93
During outdoor unit emergency operation or test operation the led on the p c b will flash 93
Emergency operation 93
If abnormality detected in the indoor or outdoor unit turn off the main power supply and find the cause 93
If there is an abnormality in the temperature thermistor disconnect or shorted indoor unit cannot be operated 93
Thermistor resistance table 93
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 94
Refer to the table below to remove the cause of the problem and then re start the air conditioner system 94
Self diagnosis error code table 94
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 94
Sound measurement point 102
Discharge and suction pressure 103
Saturation temperature of discharge and suction pressure 103
Capacity and power consumption 105
Cooling performance 105
Cs f24dd2e5 cu b24dbe5 105
Ipt cooling power consumption 105
Shc sensible heat capacity 105
Tc cooling capacity 105
Cs f28dd2e5 cu b28dbe5 107
Ipt cooling power consumption 107
Shc sensible heat capacity 107
Tc cooling capacity 107
Cs f28dd2e5 cu b28dbe8 109
Ipt cooling power consumption 109
Shc sensible heat capacity 109
Tc cooling capacity 109
Cs f34dd2e5 cu b34dbe5 111
Ipt cooling power consumption 111
Shc sensible heat capacity 111
Tc cooling capacity 111
Cs f34dd2e5 cu b34dbe8 113
Ipt cooling power consumption 113
Shc sensible heat capacity 113
Tc cooling capacity 113
Cs f43dd2e5 cu b43dbe8 115
Ipt cooling power consumption 115
Shc sensible heat capacity 115
Tc cooling capacity 115
Cs f50dd2e5 cu b50dbe8 117
Ipt cooling power consumption 117
Shc sensible heat capacity 117
Tc cooling capacity 117
Cs f24dd2e5 cu b24dbe5 119
Cs f28dd2e5 cu b28dbe5 119
Cs f28dd2e5 cu b28dbe8 119
Heating performance 119
Cs f34dd2e5 cu b34dbe5 120
Ipt cooling power consumption 120
Shc sensible heat capacity 120
Tc cooling capacity 120
Cs f34dd2e5 cu b34dbe8 122
Ipt cooling power consumption 122
Shc sensible heat capacity 122
Tc cooling capacity 122
Cs f43dd2e5 cu b43dbe8 124
Ipt cooling power consumption 124
Shc sensible heat capacity 124
Tc cooling capacity 124
Cs f50dd2e5 cu b50dbe8 126
Ipt cooling power consumption 126
Shc sensible heat capacity 126
Tc cooling capacity 126
Cs f24dd2e5 128
Fan performance 128
Cs f28dd2e5 129
Cs f34dd2e5 130
Cs f43dd2e5 131
Cs f50dd2e5 132
Indoor unit 133
Mpa 10 kgf c 133
Outdoor unit 133
Safety device 133
Operating characteristics 134
Indoor unit 135
Replacement parts 135
All parts are supplied from taiwan ptw 136
Casing included with impeller part 136
Cs f24dd2e5 cs f28dd2e5 cs f34dd2e5 cs f43dd2e5 cs f50dd2e5 136
Outdoor unit 137
All parts are supplied from phaam malaysia vendor code 061 139
All parts are supplied from phaam malaysia vendor code 061 143
Indoor unit 144
Print pattern 144
Outdoor unit 145

Panasonic CS-F43DD2E5 / CU-B43DBE8 [5/145] A brand new control method using the latest in technology

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