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Main Unit and Piping

Electrical

Test Operation

Reference

4. Refrigerant Piping

Vacuuming with a vacuum pump

Apply vacuuming at the both service ports of the liquid and the vapor line stop valves.

When there is a possibility of moisture intrusion in piping

Increase the pressure to 7.25 psig (0.05 MPa) with nitrogen gas after vacuuming for 2 hours or more.

Then, perform vacuuming again for 1 hour or more and make sure the pressure has reached -145 psig (-101 kPa).

If the pressure does not reach -145 psig (-101 kPa) after 2 hours of vacuuming, repeat steps

and

until

the pressure reaches -145 psig (-101 kPa).

After the pressure has reached -145 psig (-101 kPa) or lower, let stand for 1 hour and make sure that

the pressure of the vacuum gauge does not rise.

* Meaning of the possibility of moisture intrusion in piping

Apply the procedure above when there is any possibility of internal condensation or rainwater intrusion inside

the refrigerant piping arising from long construction period during rainy weather like in a rainy season.

(Note) Keep the following points in mind, for this unit is an R410A model.

• To avoid cross-contamination with other types of oil, make sure to separate maintenance tools according to

the type of refrigerant used. In particular, never use the same gauge manifold and the charge hose with other

refrigerants (R22, R407C etc.).

• Use a backflow prevention adapter to prevent vacuum pump oil from entering the refrigeration system.

Important reminder

�

Vacuuming must be performed with the stop valves on the outdoor unit “fully closed”.

�

Do not perform an air purge with the refrigerant inside the outdoor unit or the refrigerant tank.

�

Use a vacuum pump which is able to attain pressure lower than -145 psig/-101 kpa (-755 mmHg).

<Operation Flow>

Finish leakage test

Start vacuuming

Finish vacuuming

Charge refrigerant

Vacuum check

Continue operating the vacuum pump for
2 hours or more once the pressure has
reached -145 psig/-101 kpa (-755 mmHg) or lower.

If the vacuum gauge needle
rises, moisture remains in
the system or there is a
leakage. Determine the
location of the leakage, fix,
and perform the vacuuming
again.

There must be no rise in the vacuum gauge
needle after letting it stand for 1 hour or more.

Vacuum gauge

Vacuum pump

Discharge

Charge hose

Stop

valve

(fully closed)

Low

pressure

High

pressure

Gauge manifold

Outdoor unit

Stop

valve

(fully

closed)

Service ports

Vapor line

Liquid line

Backflow prevention adapter

Содержание AWGP180E1NHS

Страница 1: ...old separately are also to be installed read and fully understand the contents of those unit s manuals as well Outdoor unit Gas type Natural gas Combination Multi type 15 ton 180 000 Btu h AWGP180E1NHS Important reminder Be sure to check the model code of the GHP outdoor unit before installation The model code is written on the plate at the bottom right position in the rear of the GHP This unit mu...

Страница 2: ...dicate proper instructions Follow these instructions carefully What Warning and Caution mean What symbols mean Warning If the items with this symbol shown in this manual are not adhered to serious injury or death could occur Caution If the items with this symbol shown in this manual are not adhered to injury or damage to the unit could occur This indicates prohibited actions This indicates actions...

Страница 3: ...ng Installation 38 7 How to Extend Exhaust Pipe 41 Electrical 8 Summary of Electric Wire Installation 43 8 1 Opening for power supply wires signal wires 43 8 2 Wiring example 44 8 3 Changing the supplied power voltage to 208VAC 44 9 Electric Wire Specifications and Precautions 45 9 1 Power supply wire 45 9 2 Signal wire between indoor outdoor units outdoor outdoor units and between combined outdoo...

Страница 4: ...llation location Altitude under 2624 8 800m above sea level Wind velocity under 98 5 ft s 30m s and in a place where the airflow does not directly go into the air intake on the right side of the machine Distance from ocean 6561 8 2000m or more ...

Страница 5: ... restricted up to 1148 ft when the total capacity of the connected outdoor unit exceeds 130 of rated capacity Connectable indoor units are 7 000 Btu h to 96 000 Btu h Important reminder Install the indoor units that correspond to indoor air conditioning load Otherwise the units frequently repeat start and stop That could result in breakdown of the units The number and total capacity of the connect...

Страница 6: ...ng Selecting branch piping and permissible lengths on page 18 Hard plastic PVC polyvinyl chloride pipe VP For outdoor unit drain VP20 VP30 VP50 3 4 14 NPT g n i p i p s a g l e u f r o F P G S e p i p l e e t S Reinforced gas hose For fuel gas piping Gas Valve For fuel gas piping Insulating material For refrigerant and drain pipe insulation Power supply wire For electric power supply for indoor an...

Страница 7: ...igerant piping or exhaust water drain hoses are not pinched If a forklift is used for transport spread the fork as wide as possible so that they fit in the opening at the bottom of the unit as shown in the illustration below Insert the forks completely taking care not to damage the unit with the forks Do not tilt the unit 30 or more Never tip the unit on its side 2 3 Dimensions related to transpor...

Страница 8: ...here If the exhaust gas accumulates it could cause gas poisoning or an accident due to lack of oxygen Install the outdoor unit where adequate ventilation is provided Make sure that the area where the outdoor unit is going to be installed is strong enough to withstand the unit s mass If the location is not strong enough the outdoor unit could fall over and cause injury or accident Always discharge ...

Страница 9: ...l equipment Always install the unit at a location distant enough from the electrical equipments such as televisions radios computers telephones and their antennas electrical wires and signal wires Install the outdoor unit at a location where heat from other equipment does not cause an adverse effect on the unit If the outdoor unit is installed in a heavy snowfall area install the unit where accumu...

Страница 10: ... the equip ment w e i v p o T w e i v t n o r F Important reminder When 4 or more of outdoor units are installed in the same location nearby walls or other objects could obstruct air flow and cause short circuit To prevent a decline in performance and trouble due to short circuit of airflow larger installation space is necessary Contact an authorized dealer for details 6 7 2m or more 2 1 4 700 mm ...

Страница 11: ...or unit so that the outdoor unit does not tip over in the event of strong winds gust etc or earthquakes If the foundation strength is insufficient the outdoor unit could tip over and cause fuel gas leakage or injury Installation location Designed earthquake resistance Foundation dimensions feet mm Anchor bolt spacing feet mm a b A B Ground Horizontal 0 4 G Vertical 0 2 G 5 3 4 1750 3 1 8 956 Impor...

Страница 12: ...e specifications shown in the table below Make sure the legs of the outdoor unit are firmly secured with washers and bolts If the strength is insufficient the unit could tip over and cause fuel gas leakage or injury Size 3 8 Short term permissi ble pull out load 6 7 kN or more Type Male mechanical anchor Resin anchor Embedded anchor Anchor bolt Required locally Nut Washers Required locally Foundat...

Страница 13: ...Main Unit and Piping Electrical Test Operation Reference 13 4 Refrigerant Piping 4 Refrigerant Piping 4 1 Outline diagram of refrigerant piping Combined installation Stand alone installation ...

Страница 14: ...unit exceeds 130 of rated capacity restrict the permissible piping length actual length to 328ft or less Outdoor Unit Combination Multi Item Refrigerant piping diameter 1 inch mm Permissible piping length m Equivalent length Actual length Permissible height difference m Refrigerant oil Vapor line Liquid line Outdoor unit is higher Outdoor unit is lower 623 5 541 4 190 165 2 623 5 541 4 190 165 2 1...

Страница 15: ...tem Mark Name Vapor refrigerant Reducer Provided with the outdoor unit Copper pipe Locally required Liquid refrigerant Reducer Provided with the outdoor unit Copper pipe ø5 8 Locally required Combination Malti connection kit 㧙 Sold separately Remark Specification inch I D 5 8 O D 1 2 1 1 8 inch inch I D 1 1 4 I D 5 8 I D 1 1 4 I D 5 8 connection ...

Страница 16: ...refrigerant piping between the outdoor units to the stop valve as shown in the following figure A or B Otherwise the refrigerant oil can accumulate in the piping Be sure to install the Combination Multi connection kit horizontally for both vapor and liquid l a c i t r e V l a t n o z i r o H Floor surface Correct Wrong Wrong Floor surface Floor surface Floor surface Wrong Wrong Floor surface Do no...

Страница 17: ...portion for 26 660 mm or more after branching of the Combination Multi connection kit FOR VAPOR PIPING ONLY if the connection piping length is 6 1 2 or more add a 8 or more rise within 6 1 2 from the Combination Multi connection kit 6 1 2 2 m or less 6 1 2 2 m or less 6 1 2 2 m or more 6 1 2 2 m or less 8 inch 200 mm 6 1 2 2 m or less 6 1 2 2 m or more 26 660 mm or more ...

Страница 18: ...s air conditioning pipe Refrigerant piping specifications Note Should not exceed the outdoor unit main piping diameter Detailed parameter of indoor unit capacity m m h c n i s s e n k c i h T r e t e m a i d r e t u O inch mm TYPE ACR D TYPE ACR A TYPE K 2 8 6 35 0 03 0 76 3 8 9 52 0 03 0 76 0 032 0 81 0 035 0 89 1 2 12 7 0 035 0 89 0 032 0 81 0 049 1 24 5 8 15 88 0 035 0 89 0 049 1 24 3 4 19 05 0...

Страница 19: ...e after the first branch when a is the shortest length after the first branch a 131 ft 40 m or less 131 ft 40 m or less 49 ft 15 m or less 164 ft 50 m or less Permissible height difference Height difference between indoor unit and out door unit H1 When outdoor unit is higher than indoor unit When outdoor unit is lower than indoor unit Height difference between indoor units h Branch piping Use BHFP...

Страница 20: ...22P90 as the Combination Multi connection kit How to select the header piping kit Connect crimp piping locally required to the branching points on the indoor unit connection side in accordance with the number of connected indoor units Refer to the header branching kit sold separately for the crimp piping size Total capacity of down stream indoor units Btu h Header kit type Number of branches less ...

Страница 21: ...ter for downstream indoor unit total capacity Btu h less than 76 000 76 000 or more and less than 112 000 KHRP26A33T KHRP26A22T KHRP26A73T 112 000 or more and less than 234 000 KHRP26A72T KHRP26A73T 234 000 or more Important reminder Be sure to use the indoor unit piping and indoor branch piping that correspond to the indoor unit connecting piping size Always install the branch piping joint both f...

Страница 22: ...g material Phosphate deoxidized copper seamless air conditioning pipe Refrigerant piping specifications Note Should not exceed the outdoor unit main piping diameter Detailed parameter of indoor unit capacity m m h c n i s s e n k c i h T r e t e m a i d r e t u O inch mm TYPE ACR D TYPE ACR A TYPE K 2 8 6 35 0 03 0 76 3 8 9 52 0 03 0 76 0 032 0 81 0 035 0 89 1 2 12 7 0 035 0 89 0 032 0 81 0 049 1 ...

Страница 23: ...length after the first branch B C D E f Piping length difference after the first branch when a is the shortest length after the first branch a Permissible height difference Height difference between indoor unit and out door unit H When outdoor unit is higher than indoor unit When outdoor unit is lower than indoor unit Height difference between indoor units h Branch piping How to select the branch ...

Страница 24: ...ect crimp piping locally required to the branching points on the indoor unit connection side in accordance with the number of connected indoor units Refer to the header branching kit sold separately for the crimp piping size Total capacity of down stream indoor units Btu h Header kit type Number of branches less than 76 000 76 000 or more and less than 112 000 KHRP26M33H KHRP26M22H KHRP26M73H Up t...

Страница 25: ...000 76 000 or more and less than 112 000 KHRP26A33T KHRP26A72T KHRP26A22T KHRP26A73T 112 000 or more and less than 234 000 KHRP26A72T 234 000 or more Important reminder Be sure to use the indoor unit piping and indoor branch piping that correspond to the indoor unit connecting piping size Always install the branch piping joint both for vapor and liquid so that the joint branches either horizontall...

Страница 26: ...oncentration an accident due to lack of oxygen could occur The refrigerant concentration is calculated as follows If the calculated concentration exceeds the limit concentration an opening to the next room to make the calculated concentration lower than the limit or a mechanical ventilation system linked to a gas leakage detector must be provided Be sure to check for refrigerant gas leakage surely...

Страница 27: ...er refrigerant air oxygen propane or other materials Doing so could cause an explosion or a fire Be sure to remove any flammable materials before brazing Failure to do so could cause a fire Be sure to use non flammable and non toxic cleaning liquid for washing Using a flammable cleaning liquid could cause an explosion or a fire Be sure to provide adequate ventilation when installing the refrigeran...

Страница 28: ...pump on page 33 Charging refrigerant Never charge R410A as a vapor Always charge as a liquid Charging as a vapor may cause a compositional change of the refrigerant and could result in a performance decline or a breakdown Notes when doing flare process The R410A flare dimensions differ from the previous R407C dimensions We recommend using the R410A flare tool but if the protrusion amount B can be ...

Страница 29: ...Refrigerant piping cure for storage Curing method Be sure to cure the end of piping to prevent any mois ture dirt or dust Failure to do so may cause a seri ous trouble due to moisture intrusion Warning Tighten the flare nuts with an open end wrench and a torque wrench to check that the tightening torque is proper If the torque is not proper the refrigerant may leak and cause an accident due to lac...

Страница 30: ...ing the branch pipe do not bend the main pipe near the connection If such bending is unavoidable make a minimum of 6 150 mm of straight portion However do not use a bent pipe with an external diameter of 1 1 8 ø28 6 or larger l a c i t r e V l a t n o z i r o H Horizontal Vapor line Liquid line R Main pipe Straight portion 6 150 mm or more Crimp piping Locally required Header Indoor unit No branch...

Страница 31: ...ng with the stop valves on the outdoor unit fully closed factory default Do not operate the stop valves until all the refrigerant piping for the indoor and outdoor units have been connected and the refrigerant leakage test vacuuming operation and additional refrigerant charging has been completed Note that both the vapor and the liquid line valves must be fully open in operating Make sure not to d...

Страница 32: ...72 5 psig 0 5 MPa is applied hold the pressure and let it stand for 5 minutes or more Check that there is no pressure drop b Next increase the pressure to 217 5 psig 1 5 MPa and again let it stand for 5 minutes or more Confirm that the pres sure does not drop c After that increase the pressure to the specified value 551 psig 3 8MPa and note the ambient temperature and pressure d Let it stand at th...

Страница 33: ...ontamination with other types of oil make sure to separate maintenance tools according to the type of refrigerant used In particular never use the same gauge manifold and the charge hose with other refrigerants R22 R407C etc Use a backflow prevention adapter to prevent vacuum pump oil from entering the refrigeration system Important reminder Vacuuming must be performed with the stop valves on the ...

Страница 34: ...ngth m 4 Liquid piping ø 12 7 total length m 5 Liquid piping ø 9 5 total length m 6 Liquid piping ø 6 4 total length m Caution When charging the refrigerant be sure to wear a pair of leather gloves If the refrigerant touches your skin directly it may cause frostbite Important reminder Always charge the refrigerant as a liquid in the tank Charging as a vapor may cause a composi tion change of the r...

Страница 35: ... piping between the outdoor unit and the first fixed point must be at least 5ft Caution As for refrigerant piping and drain piping apply insulating material polyethylene foam glass wool etc of 13 32 in 10 mm or more in thickness to both of the vapor and liquid line piping s separately When it exceeds DB 86 deg F 30 deg C and RH 65 use thicker insulating material than above Insufficient insulation ...

Страница 36: ...36 Combined installation 5 ft 5 ft 5 ft 5 ft 5 ft 5 ft 5 ft ...

Страница 37: ...re should be a gas leakage a fire or an explosion could occur Use soapy water or a gas leakage detector for performing the gas leakage test Using a flame reaction test could cause a fire or an explosion Always use a reinforced gas hose between the gas valve on the fuel gas piping and outdoor unit Failure to do so could cause a gas leakage Install the piping so that the fuel gas pressure at the inl...

Страница 38: ...he atmosphere gas poisoning or an accident due to lack of oxygen could occur Caution When installing an outdoor unit on a rooftop make sure to route the exhaust drain water into a gutter not through the rooftop surface Failure to do so may experience a stain or material damage on the rooftop surface Important reminder Extend the exhaust water drain piping to the appropriate outlet as shown on the ...

Страница 39: ...installation manual attached to the exhaust water drain hose with heater for installation method The cold district specification unit contains the exhaust water drain hose with heater in the engine com partment Be sure to pull out the hose from the outdoor unit referring to the installation manual attached to the hose Failing to pull out the hose will damage the unit Exhaust water drain hose Size ...

Страница 40: ...s when installing Otherwise exhaust gas could enter the outdoor unit and cause a breakdown The joint between the condensation water drain hose and exhaust water drain hose must be released to the atmosphere Do not seal up the joint opening with the caulking material or other materials Provide openings breathers upstream of the connecting points of the condensation water drain hose and exhaust wate...

Страница 41: ...ted exhaust gas could cause gas poisoning or an accident due lack of oxygen Install the outdoor unit where adequate ventilation is provided Be sure to discharge the exhaust gas to the atmosphere where the gas causes no adverse effect to the surroundings If the exhaust gas is exhausted into the catch basin or the ditch it could be drawn into the room and cause gas poisoning or an accident due to la...

Страница 42: ... outlet of the extended exhaust pipe paying attention to the following The angle of the exhaust vent plane shall be vertical to the ground by adjusting the elbow pipes so that rain water may not enter the exhaust pipe directly Apply silicone caulking material at the lower part of the metal mesh in accordance with the following figure so that the drain water may not drip from the exhaust top Refer ...

Страница 43: ...de an electric leakage breaker with the specified capacity for each outdoor unit sensitivity amperage is 30 mA If the electric leakage breaker is not installed electrical shock could occur Provide an over current breaker with the specified capacity for each outdoor unit If the proper over current breaker is not installed overheating fire or secondary damage due to the breaker tripping could occur ...

Страница 44: ...l wire between outdoor and outdoor unit No polarity Remote controller In n I t u O Out Remote controller Remote controller Important reminder Optional connector not used Changing the supplied power voltage to 208VAC This outdoor unit can be used with single phase 230 or 208 VAC power supply When this outdoor unit is used with single phase 208VAC please change the wiring at the terminal of the tran...

Страница 45: ...evant local and national regulations and technical standards The maximum line length in the table above makes voltage drop 2 If the length exceeds the value shown above review the wire thickness Install an over current breaker and an electric leakage breaker to each outdoor unit in accordance with the table above and install wiring 2 outdoor units can have power supply from the same branch circuit...

Страница 46: ...r unit near high frequency medical equip ment high frequency welding equipment or any other equipment that generates high frequency waves Otherwise malfunction could occur due to high frequency waves When using shielded wires always ground just one side Otherwise communication problems could occur Never use multiple core wires having 3 or more cores Wire thickness must not exceed the range between...

Страница 47: ... and P2 terminals have no polarity Wire specifications Peel the sheath of the wire passing through the inside of the remote controller case Type of wire Vinyl sheath code or cable Thickness AWG 18 to 16 0 75 to 1 25 mm2 Important reminder When installing the wiring be sure to keep signal wires away from the power supply wires so that the signal wires are not affected by electrical noise external n...

Страница 48: ...same system The signal wires cannot be connected to the Out Out terminal or an outdoor unit in the different system Point All of indoor outdoor and outdoor outdoor unit signal wires must be non polarity 2 core cable Point Signal wire between refrigerant piping systems Maximum number of the connectable refrigerant piping systems is 10 Outdoor outdoor unit signal wire In Combination Multi the master...

Страница 49: ...l wire between refri gerant piping systems Maximum number of the connectable refrigerant piping systems is 10 Outdoor outdoor unit signal wire Point Important reminder Maximum number of the connectable indoor units on a network is 128 Signal wires between the indoor units of the same refrigerant system must be connected to the In Out terminal of the outdoor unit in the same system The signal wires...

Страница 50: ...he length exceeds the acceptable restriction range consider dividing the system or install ing a D Υ NET extension adapter sold separately additionally 1312 ft 400 m between and 656 ft 200 m between and In the above system the longest wiring distance is 2953 ft 900 m between and which satisfies the longest wiring length limit of 3281 ft 1000 m And the total length which is the total of 2953 ft 900...

Страница 51: ...sible Star wiring Up to 10 branches re branching after the branch is not possible Centralized controller Series wiring First branch Second branch Third branch Bus wiring Centralized controller F i r s t b r a n c h Second branch T h i r d b r a n c h Star wiring Note Although the above figures show the examples using the centralized controller the same wiring system can be used with other centrali...

Страница 52: ...52 11 Check after Installation The installation check must be performed according to the check list on page 71 ...

Страница 53: ...odel has EEP dip switches inside the outdoor unit circuit board Refer to List of EEP dip switch settings on the following page for the contents of the switches and the factory default setting Warning Be sure to change the 4 pin of 1 EEP dip switch to ON when the deodorizing option is installed If not the protection device may operate improperly and smoke fire or malfunction could occur Caution Do ...

Страница 54: ... s y g r e n E 6 7 Combination Multi backup function 2 OFF Backup starts after error reset On Automatic backup Depends on models 8 OFF 2 Setting can be changed with check code No 81 1 Setting of cool heat switching 2 OFF Indoor unit ON Outdoor unit OFF 2 Master control 2 OFF Prohibited ON Master collective OFF Sub collective ON Individual setting ON 3 OFF OFF ON ON ON 4 OFF 5 OFF 6 OFF 7 Outdoor f...

Страница 55: ...4 as follows Refer to List of EEP dip switch settings on the previous page for the details about EEP dip switch function 2 Select the switch pin number by pressing the INDOOR SELECT switch You can change the display as 1 ψ 2 ψ ψ 8 ψ 1 each time you press the switch 3 Press the SET switch LED1 and LED2 start to flash At this time on oF setting can be changed by pressing the CODE No UP or CODE No DO...

Страница 56: ...CODE No DOWN switch Refer to the following table for the details about the gas type 3 After selecting the gas type press and hold the SET switch to input the current setting The display returns to lighting up If you press the CLEAR switch while the display is flashing you can return the display to lighting up without inputting the gas type 1 Select 13A or 12A according to gas calorific value as fo...

Страница 57: ...s demand address of the external control adapter and this cool heat address is as follows Cool heat collective address is set in the check mode Disconnect the personal computer and select the check mode To select the check mode refer to 12 2 1 How to change the current mode to the check mode on page 55 Note Combination Multi type requires this setting for master unit only 1 How to set the cool hea...

Страница 58: ...he LED2 and LED1 light up This completes the address setting To continue changing the setting of other pins repeat the procedure from step 2 Press the CLEAR switch while the display is flashing and you can return the display to lighting up without inputting the setting The initial setting of cool heat collective address is All pins are OFF When 5 pin of cool heat collective address is OFF When 5 p...

Страница 59: ...k mode To select the check mode refer to 12 2 1 How to change the current mode to the check mode on page 55 Note Combination Multi type requires this setting for master unit only 1 How to set the low noise address 1 Press CODE No UP or CODE No DOWN switch and select the check code No db as follows 2 Each time you press the INDOOR SELECT switch the pin number changes as 1 pin ψ 2 pin ψ ψ 5 pin ψ 1 ...

Страница 60: ...t up This completes the address setting To continue changing the setting of other pins repeat the procedure from step 2 Press the CLEAR switch while the display is flashing and you can return the display to lighting up without inputting the setting The initial setting of low noise address is All pins are OFF When 5 pin of low noise address is ON ＣＯＤＥＮｏＵＰＤＯＷＮＳＷ２ＳＷ３ＳＷ４ＳＷ５ＳＷ６ＩＮＤＯＯＲＳＥＬＥＣ...

Страница 61: ...e current selection will be highlighted The highlighted items will be scrolled continuously when the button is continuously pressed Used to change the selected item Down button 5 Used to lower the setpoint The item below the current selection will be highlighted The highlighted items will be scrolled continuously when the button is continuously pressed Used to change the selected item Right button...

Страница 62: ... and select desired SECOND CODE NO by using Up Down button Multiple identical mode number settings are available While setting for all indoor units in the remote control group if any second code is available SECOND CODE NO will be displayed If SECOND CODE NO shows there is no function available Basic screen 1 Set temperature 28 C Fan Return Press the menu button Press and hold Cancel button for 4 ...

Страница 63: ...trol group requires specific settings or for confirmation that settings have been established utilize the mode number in parenthesis Any features not supported for the installed indoor unit will not be displayed 2 When mode 10 2 01 is selected only the return air temperature value is reported to the multi zone controller 3 The actual default dead band value will depend on the indoor unit model See...

Страница 64: ...up control has no polarity P1 and P2 can be switched All indoor units within the group have the same setting and each indoor unit is controlled individually by its own built in thermostat At the time of group control remote controller thermostat is set to Not use automatically Because the address is set automatically address setting by the remote controller for group control is not nec essary From...

Страница 65: ... the outdoor unit when turning ON the power At the time of initial power supply the system will first perform power master setting and address setting outdoor and indoor address Therefore wait for up to 15 minutes until the unit starts operation Be sure to perform test operation after turning ON the power when you turn ON the power at the first time The following shows the procedure from turning O...

Страница 66: ...is as follows When connection check is finished it proceeds to the following step automatically If the connection condition is not memorized it proceeds to 3 Connection condition check If the connection status is memorized it proceeds to 4 Connection condition display When re wiring recognition is performed connection condition is not memorized It takes about 6 to 15 minutes until connection check...

Страница 67: ...splay agrees with the actual condition press SET switch on the master unit for 2 sec onds or longer to fix the connection condition Current connection condition is memorized After fixing the connection status the display automatically proceeds to 4 Connection condition display When the connection condition is not correct turn OFF the power supply and check the wiring and then turn the power supply...

Страница 68: ...de running hour display In the case of Combination Multi master unit or single outdoor unit In the case of Combination Multi sub unit ＣＯＤＥＮｏＵＰＤＯＷＮＳＷ２ＳＷ３ＳＷ４ＳＷ５ＳＷ６ＩＮＤＯＯＲＳＥＬＥＣＴＭＯＤＥＳＥＬＥＣＴＣＬＥＡＲＳＥＴＣＯＤＥＮｏＵＰＤＯＷＮＳＷ２ＳＷ３ＳＷ４ＳＷ５ＳＷ６ＩＮＤＯＯＲＳＥＬＥＣＴＭＯＤＥＳＥＬＥＣＴＣＬＥＡＲＳＥＴＣＯＤＥＮｏＵＰＤＯＷＮＳＷ２ＳＷ３ＳＷ４ＳＷ５ＳＷ６ＩＮＤＯＯＲＳＥＬＥＣＴＭＯＤＥＳＥＬＥＣＴＣＬＥＡＲＳＥＴ ...

Страница 69: ... recognition is performed in the check mode Disconnect the personal computer and select the check mode To select the check mode refer to the 12 2 1 How to change the current mode to the check mode on page 55 1 Press the CODE No UP or CODE No DOWN switch and select the check code No 01 as indicated in the fol lowing figure 2 Press the INDOOR SELECT switch and select Indoor unit re wiring recognitio...

Страница 70: ...y step 3 is shown Selected re wiring is recognized and the display is as follows After completing re wiring recognition the system returns to 14 2 2 Connection check and checks the connec tion condition again ＣＯＤＥＮｏＵＰＤＯＷＮＳＷ２ＳＷ３ＳＷ４ＳＷ５ＳＷ６ＩＮＤＯＯＲＳＥＬＥＣＴＭＯＤＥＳＥＬＥＣＴＣＬＥＡＲＳＥＴ ...

Страница 71: ...hin the limit غ Is the total capacity for the connected indoor units within the limit غ Are the lengths and differences in height of the refrigerant piping within the permissible ranges غ Are the branch pipes properly installed غ Is the piping properly insulated غ Has the proper amount of additional refrigerant been added غ Have you written down the installation record and refrigerant amount on th...

Страница 72: ...nit Heat exchanger vapor pipe temperature sensor failure C6 28 㨚 Indoor unit Combination failure indoor circuit board fan circuit board C9 97 㨚 Indoor unit Intake air temperature sensor failure CA 98 㨚 Indoor unit Discharge air temperature sensor failure CJ 17 㨚 Remote controller sensor failure U0 88 5 Refrigerant empty U4 㧙 Transmission error between indoor unit and outdoor unit U5 1 㨚 Transmissi...

Страница 73: ...e switching failure EC 80 0 Overheated engine coolant 80 3 Overcooled engine coolant EH 80 10 Engine coolant pump starting failure 80 20 Engine coolant pump speed failure 80 30 IPM failure F3 91 0 Excessive compressor discharge pipe temperature F4 87 0 Excessive compressor intake temperature 87 2 Insufficient degree of superheat for compressor intake FE 81 0 Abnormal engine oil pressure 81 10 Engi...

Страница 74: ...rature sensor J8 67 0 Disconnected outdoor liquid pipe temperature sensor 67 2 Short circuited outdoor liquid pipe temperature sensor JA 73 0 Refrigerant high pressure sensor 1 failure 1 73 1 Refrigerant high pressure sensor 1 failure 2 73 2 Refrigerant high pressure sensor 2 failure 1 73 3 Refrigerant high pressure sensor 2 failure 2 JC 88 4 Refrigerant low pressure sensor failure JE 71 0 Disconn...

Страница 75: ......

Страница 76: ...Manufacturer Distributor AISIN WORLD CORP OF AMERICA 46501 Commerce Center Drive Plymouth MI 48170 2 1 Asahi machi Kariya Aichi JAPAN 448 8650 ...

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