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Installation dimensions

3. 3.

CAUTION

When installing the outdoor unit, pay attention to the following items.

Provide suf

cient installation space, such as transportation route, maintenance space, ventilation space, refriger-

•

ant piping space, and passageways.
Pay attention to the speci

cations of the installation space as shown in the

gure. If the unit is not installed ac-

•

cording to speci

cations, it may cause short circuit or poor performance. The unit may be prone to lapse into non-

operation due to high pressure protection.

Do not place obstructions in the air

ow outlet direction. If there is an obstruction in the outlet direction, install an outlet duct.

•

When there is a wall in front of the unit, provide a space of 500mm or more as maintenance space.

•

When there is a wall at the left side of the unit, provide a space of 30mm or more as maintenance space.

•

An outdoor temperature of 35 degrees in air-conditioned operation is assumed for the installation space in this item. If the outdoor

•

temperature exceeds 35 degrees and the outdoor unit is operating at a load exceeding its rated ability, provide a larger inlet space.
If you are installing more outdoor units than indicated here, please ensure suf

cient space or consult your distrib-

•

uting agent as it may affect the performance due to short circuit and other problems.

When install near by limited height wall

3. 3. 1.

Single and multiple installations

(1)

There are no restrictions on the height of the side wall.

•

Provide installation spaces L1 and L2 in accordance with the table below according to the wall height (front side, rear

•

side) conditions.
Provide installation spaces other than L1 and L2 in accordance with the conditions shown in the

gure below.

•

Ventilation resistance can be ignorable when the distance from a wall or product, etc. is larger than 2m.

•

Wall height condition

Necessary installation space

When H1 is 1500 (mm) or less

500 (mm)

When H1 is 1500 (mm) or more

500+h1÷2 (mm)

When H2 is 500 (mm) or less

100 (mm)

When H2 is 500 (mm) or more

100+h2÷2 (mm)

Fig.

<Front>

<Rear>

Wall

2 Single installation

Fig.

30mm or more 10mm or more

<Front>

<Rear>

3 Multiple installations

Fig.

30mm or

20mm or

10mm or

<Front>

<Rear>

20mm or

Concentrated installation

(2)

Provide installation spaces L3, L4, and L5 in accordance with the table below according to the wall height (front

•

side, rear side) conditions.
Provide installation spaces other than L3, L4, and L5 in accordance with the conditions shown in the

gure below.

•

Ventilation resistance can be ignorable when the distance from a wall or product, etc. is larger than 2m.

•

Wall height condition

Necessary installation space

When H3 is 1500 (mm) or less

500 (mm)

When H3 is 1500 (mm) or more

500+h3÷2 (mm)

When H4 is 500 (mm) or less

200 (mm)

When H4 is 500 (mm) or more

200+h4÷2 (mm)

When H5 is 500 (mm) or less

200 (mm)

When H5 is 500 (mm) or more

200+h5÷2 (mm)

9378945029-03_IM_EN.indb 7

2011-9-20 16:25:46

Содержание AJ*108LALH Series

Страница 1: ...Indoor unit pipe connections 13 5 3 Piping method 14 5 4 Multiple connections 16 6 ELECTRICAL WIRING 18 6 1 The precautions of electrical wiring 18 6 2 Knockout hole 19 6 3 Selecting power supply cable and breaker 20 6 4 Transmission line 21 6 5 Wiring method 22 6 6 External input and external output 24 7 FIELD SETTING 27 7 1 Field setting switches 27 7 2 DIP switch setting 27 7 3 Rotary switch se...

Страница 2: ...frigeration cycle the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture Be sure to install the unit as prescribed so that it can withstand earthquakes and typhoons or other strong winds Improper installation can cause the unit to topple or fall or other accidents Ensure that the outdoor unit is securely installed at a place that can withstand the weigh...

Страница 3: ...h salt content such as at the seaside It will deteriorate metal parts causing the parts to fall or the unit to leak water Area filled with mineral oil or containing a large amount of splashed oil or steam such as a kitchen It will deteriorate plastic parts causing the parts to fall or the unit to leak water Area that generates substances that adversely affect the equipment such as sulfuric gas chl...

Страница 4: ... Contents of change for R22 tool Gauge manifold Pressure is huge and cannot be measured with a conventional gauge To prevent er roneous mixing of other refrigerants the diameter of each port has been changed It is recommended to use a gauge manifold with a high pressure display range 0 1 to 5 3 MPa and a low pressure display range 0 1 to 3 8 MPa Charging hose To increase pressure resistance the ho...

Страница 5: ...ing outdoor units install the outdoor unit with the largest nominal system capacity nearest to the refrigerant pipe and indoor unit followed by those with lesser nominal system capacities Outdoor unit 1 Outdoor unit 2 Outdoor unit 3 Option parts 2 5 CAUTION The following parts are optional parts specific to R410A refrigerant Do not use parts other than those listed below Separation tube kit 2 5 1 ...

Страница 6: ...pri ate measures to protect it from those elements To ensure a stable operation install inlet and outlet ducts Install the unit in an area that would not cause problems even if the drain water is discharged from the unit Oth erwise provide drainage that would not affect people or objects Install the unit in an area that has no heat sources vapors or the risk of the leakage of flammable gas in the ...

Страница 7: ...imited height wall 3 3 1 Single and multiple installations 1 There are no restrictions on the height of the side wall Provide installation spaces L1 and L2 in accordance with the table below according to the wall height front side rear side conditions Provide installation spaces other than L1 and L2 in accordance with the conditions shown in the figure below Ventilation resistance can be ignorable...

Страница 8: ...acing the wall side Condition Necessary installation space When B 400 mm L6 200 mm When 20 B 400 mm L6 200 400 B 3 mm 8 Single installation Fig Top view Front Rear 200mm or more 100mm or more 9 Multiple installations Fig Top view Front Rear 200mm or more B L6 B 200mm or more 200mm 200mm 800mm or more When installing with the FRONT of the outdoor unit facing the wall side 10 Fig Top view 500mm or m...

Страница 9: ...resistance that includes the discharge duct resistance the other 1 additional resistance like discharge grill and so on Refer to the section on Push Switch Setting in Chapter 7 Field Setting 2 Transportation the outdoor unit 3 4 Hoisting method Fig A When hanging the outdoor unit and conveying it to installation location hang the unit with rope by passing through the 4 opening holes on bottom of f...

Страница 10: ...t on top of a firm platform such as concrete block Fig B The foundation base should be able to support the product and the foot width of the product should be more than 46 5mm Depending on the installation condition vibration during the operation of the unit may cause noise and vibration Install vibration proofing materials such as rubber pads Consider the removal space of the connection piping wh...

Страница 11: ...ranch kit a 3m b 3m Total pipe length a b e f h j l n p q s u 1000m Total refrigerant amount 63kg Outdoor unit capacity Master slave In the case of 3 outdoor units connected C From outdoor unit to the farthest indoor unit a e f 150m a e p 150m actual pipe length From the first separation tube to the farthest indoor unit f 60m p 60m actual pipe length Difference in height between outdoor units and ...

Страница 12: ...on Table D is larger than the pipe diameter between outdoor unit branch kit and the first separation tube based on Table C select the pipe whose diameter is equal to the one between the outdoor unit branch kit and the first separation tube If pipe diameter D C select pipe size from table C Use a standard separation tube for pipe branching Do not use a T tube as it does not separate the refrigerant...

Страница 13: ...plying nitrogen gas it will create an oxidation film This can degrade performance or damage the parts in the unit such as the compressor or valves Do not use flux to braze pipes If the flux is the chlorine type it will cause the pipes to corrode In addition if the flux contains fluoride it will affect the refrigerant piping system due to deterioration of refrigerant oil For brazing material use ph...

Страница 14: ...ddition to prevent rusting painting the edge with rust preventive paint is recommended The piping can be connected from 2 directions the front or the bottom Knockout holes are provided so that the piping can be connected from 2 different directions Use the front knockout hole as required A Knockout position Fig B Detail of knockout po Fig sition bottom Knockout hole Unit mm C Detail of knockout po...

Страница 15: ...gaps Small insects or animals that are trapped in the outdoor unit may cause a short circuit in the electrical component box To prevent pipe damage do not make sharp bends in the pipe Bend the pipe at a radius of 70mm or greater Do not bent pipe many times at same part to prevent break Do not use flare connection on the indoor unit pipe until the connection piping has been connected Wait until the...

Страница 16: ...To outdoor unit To outdoor unit Restriction when install Be sure following restriction Installation angle 1 Outdoor unit branch kit A B C A C B 0 to 10 0 to 10 Horizontal Vertical To indoor unit To outdoor unit To outdoor unit or next branch kit N o g o o d N o g o o d N o g o o d N o g o o d OK No good No good No good OK Install the outdoor unit branch kit horizontally within 0 to 10 so that the ...

Страница 17: ...o indoor unit To indoor unit Non installable patterns b NO GOOD Master unit Slave unit 1 Slave unit 2 To indoor unit NO GOOD Master unit Slave unit 1 Slave unit 2 To indoor unit NO GOOD Master unit Slave unit 1 Slave unit 2 To indoor unit When the length between branch kits and the length of the branch kit and outdoor units is more than 2m 2 provide a rise of 200mm or more on the gas pipe However ...

Страница 18: ...in positive phase sequence If they are connected in negative phase sequence an error will be displayed If there is a missing phase connection the unit will not operate normally Do not connect a N phase neutral phase cable to other phases misconnection Wrong wiring will lead to parts damage Do not use crossover power supply wiring for the outdoor unit If the electrical power is inadequate contact y...

Страница 19: ...es to prevent snapping of wires It is recommended to apply rust proof paint on the edges to prevent rust Electric wires can be connected from the front or from the left Knockout holes are prepared so that wiring can be made from 2 different directions Use the knockout holes on the front and the left separately when necessary Unit mm Knockout hole Knockout hole Unit mm ...

Страница 20: ...e conformed cord with Type 60245 IEC66 2 Max wire length Set a length so that the voltage drop is less than 2 3 Increase the wire diameter when the wire length is long In case of connected outdoor unit breaker earth leakage breaker Fig Selecting main breaker and main pow 2 er supply cable when connecting multiple outdoor units Main breaker Main breaker Total Sub breaker Refer to the table in item ...

Страница 21: ...compatible cable Wiring rules 6 4 2 1 Total length of transmission cable Total transmission line length MAX 3600m EF EG GH HJ HK KL 3600m Fig 2 In the following cases Signal Amplifier is required When the total length of the transmission line exceeded 500m AB BC BD 500m Fig 1 When the total number of units is over 64 Transmission line length between each unit 400m 2 Length of transmission cable be...

Страница 22: ...ow the terminal plate to connect the electric wires to the terminal After connecting the electric wires secure them with a cable clamp Connect the wires without applying excessive tension 0 0 0 0 0 0 To other refrigerant circuit Outdoor unit Power supply Power supply Power supply Outdoor unit1 Master unit Outdoor unit2 Slave unit 1 Outdoor unit3 Slave unit 2 Breaker Indoor unit Indoor unit Indoor ...

Страница 23: ...he equipment or to the earth screw near the terminal Be very careful that the screws are not overly tightened as the wires may snap and the terminal may be damaged Be sure to use one side of a twisted pair cable when using transmission cable with 2 sets of twisted pair cables Power supply cord Transmission cable Cable clip Cable clip Binder Binder Power terminal board Ring terminal M8 8 10 mm 70 8...

Страница 24: ...3 EXT IN 2 EXT OUT 2 EXT OUT 1 BASE HEATER EXT IN 1 PULSE IN CN137 BLUE CN136 BLACK CN115 BLACK CN132 GREEN CN131 YELLOW CN135 ORANGE CN133 CN134 RED EXT IN 4 EXT IN 3 EXT IN 2 EXT OUT 2 EXT OUT 1 BASE HEATER EXT IN 1 PULSE IN CAUTION Do not bind this wire with other wires Example In case of Outdoor unit Insert the connector to CN136 Black and 1 CN137 Blue of control PC board Fix it to the wire wi...

Страница 25: ...te OFF Normal operation O ON Outdoor unit operation peak control CN134 Red OFF Normal operation O ON Batch stop or Emergency stop operation 2 3 CN135 Orange 4 No pulse No information from electricity meter O O Pulse Power usage information from electricity meter Slave unit can connect only input5 CN135 The operations of each input terminal and the selection of function are set with the push switch...

Страница 26: ...it 5 Provide a DC12 to 24V power supply Select a power supply capacity with an ample surplus for the connected load 6 The allowable current is 30mA or less Provide a load resistance such that the current becomes 30mA or less 7 Polarity is for pin 1 and for pin 2 Connect correctly Do not impress a voltage exceeding 24V across pins 1 2 A twisted pair cable 0 33mm 2 AWG22 should be used Maximum lengt...

Страница 27: ...rbidden SET5 1 2 Number of outdoor units in stalled 3 Forbidden 4 Terminal resistor setting X 10 X 1 5 6 7 Segment LED display Push button LED lamp POWER LED105 LED104 REF AD SET 1 SW101 SET 2 SW102 SET 3 SW103 SET 4 SW104 ERROR MODE LED101 GREEN MODE EXIT SELECT ENTER SW106 SW107 SW108 SW109 SW105 LED102 RED Rotary switch Outdoor unit printed circuit board DIP switch Settings to be configured loc...

Страница 28: ...ttin g multiple terminal resistors take note of the following items How many network segments are there in a VRF system Where will you set the terminal resistors in a network segment Condition for 1 segment Total number of outdoor and indoor units and signal amplifiers is less than 64 or the total length of the transmission cable is less than 500m How many outdoor units are connected to 1 refriger...

Страница 29: ... means the length between master outdoor unit and the nearest indoor unit Short pipe less than 40m 0 1 Long pipe 1 65 to 90m 0 2 Long pipe 2 90 to 120m 0 3 Long pipe 3 120 to 150m 0 4 10 Compressor sequential start shift No shift 1 0 0 0 O This item allows you to delay the start timing of the outdoor units for every refrigerant system when multiple refrigerant systems have been configured You can ...

Страница 30: ...ting disabled 2 7 0 0 O Factory default 28 Setting disabled 2 8 0 0 O Factory default 29 Setting disabled 2 9 0 0 O Factory default 30 Energy saving level Level 1 stop operation 3 0 0 0 O This item allows you to limit the nominal system capacity or stop the opera tion when an energy saving peak cut signal is received at the external input terminal CN133 Set only the master unit for this item Level...

Страница 31: ...up ERROR lamp is off POWER MODE lamp ON ERROR lamp OFF SELECT button ENTER button MODE EXIT button POWER LED105 LED104 ERROR MODE LED101 GREEN MODE EXIT SELECT ENTER SW107 SW108 SW109 LED102 RED 7 segment LED display OFF When system is abnormal Check the settings as there is an error in the settings for outdoor unit address DIP switch SET3 1 2 or number of connected slave units DIP switch SET3 3 4...

Страница 32: ...CT button to select the next item for the first 2 digits Setting is complete when the lamp lights up Setting is complete when the lamp lights up Press the MODE EXIT button Press the SELECT button Press the SELECT button Press the SELECT button Press the ENTER button Press the ENTER button Press the ENTER button 7 segment LED display LED105 LED104 ８８８８ Press the SELECT button to change the value...

Страница 33: ... cording to the procedures below 1 FUNCTION Setting First 2 digits Last 2 digits Blinking Blinking the display when the main power is turned on When F4 to F9 are displayed continue to press the SELECT but ton until F3 is displayed Press the MODE EXIT button Press the SELECT button Blinking Press the SELECT button Press the ENTER button Automatic address setting for signal amplifiers Blinking Press...

Страница 34: ...ory default is 00 Turn on the power of the indoor and outdoor units When the system is normal nothing will be displayed on the 7 segment LED display When ERROR is displayed inspect the units Use the MODE EXIT SELECT and ENTER buttons on the outdoor unit print circuit board to configure settings ac cording to the procedures below It may take about 10 minutes for completing the processing End 1 1 1 ...

Страница 35: ...away from the device where terminal resistor is measured A value from the table is displayed depending on the distance from the signal amplifier and the device where the terminal resistor is set This value is an estimate Transmission cable connecting outdoor 2 units in a refrigerant system The resistance between the terminals of the transmission cable is 45 60Ω This value is an estimate Distance f...

Страница 36: ...uring sealing test It can rupture the pipes and cause serious injury Do not turn on the power unless all operations are complete Do not block the walls and the ceiling until the sealing test and the charging of the refrigerant gas have been completed After connecting the pipes perform an sealing test Recheck that the spindle of the 3 way valve are closed before performing a sealing test Fig B Pour...

Страница 37: ...tem with a refrigerant other than R410A Always keep to the limit on the total amount of refrigerant Exceeding the limit on the total amount of refrigerant will lead to malfunction during charging of refrigerant Do not reuse recovered refrigerant Use an electronic scale to measure the charging amount of refrigerant Adding more refrigerant than the specified amount will cause a malfunction Charge re...

Страница 38: ...amount for outdoor unit kg Calculation of additional amount for pipe length 2 B Total length of ø19 05 mm liquid pipe b 0 268 kg m m kg Total length of ø15 88 mm liquid pipe b 0 178 kg m m kg Total length of ø12 70 mm liquid pipe b 0 114 kg m m kg Total length of ø9 53 mm liquid pipe b 0 058 kg m m kg Total length of ø6 35 mm liquid pipe b 0 021 kg m m kg Calculation of additional charge refrigera...

Страница 39: ...atisfied Installing insulation 8 4 Install insulation material after conducting the 8 1 Sealing Test To prevent condensation and water droplets install insulation material on the refrigerant pipe Refer to the table to determine the thickness of the insulation material If the outdoor unit is installed at a level that is higher than the in door unit the water that has condensed in the 3 way valve of...

Страница 40: ... refer to 9 2 Test operation method to test operation the unit If there are problems adjust immediately and recheck Test operation method 9 2 Be sure to configure test run settings only when the outdoor unit has stopped operating Perform test operation for each refrigerant system You can set cooling test operation or heating test operation with the push button switch on the outdoor unit print circ...

Страница 41: ...ntil 01 is displayed Blinking Blinking Blinking Blinking Blinking Blinking Blinking Blinking Blinking EXIT Press the ENTER button for more than 3 seconds Press the ENTER button for more than 3 seconds Press the ENTER button for more than 3 seconds Press the ENTER button for more than 3 seconds ﻲ ﻴ ﻲ ﻴ ﻲ ﻴ ﻲ ﻴ ﻮ ﻮ ﻮ ﻮ ﻶ ﻶ ﻮ ﻮ ﻶ ﻶ First 2 digits Last 2 digits the display when the main power is turne...

Страница 42: ... Difference between inlet and outlet tempera tures is normal Measure the inlet and outlet tem peratures Temperature difference 10 degrees 6 Error is not displayed Check the 7 segment LED display Error blinking or no error code display LED Display 10 You can determine the operating status by the lighting up and blinking of the 7 segment LED display Check the status using the table below Normal oper...

Страница 43: ...6 3 1 Inverter error E A 3 1 Compressor1 temperature abnormal E 6 7 2 Inverter PCB short interruptions detection E A 3 2 Compressor2 temperature abnormal E 6 8 1 Magnetic relay error E A 4 1 High pressure abnormal E 6 8 2 Rush current limiting resistor temp rise protection E A 4 2 High pressure protection1 E 6 9 1 Outdoor unit transmission PCB Parallel communication error E A 4 3 High pressure pro...

Страница 44: ...tion is max cooling condition refer to item 16 Air circulation 9 Air circulation Noise level 10 Noise level Refrigerant 11 Refrigerant type and initial charging amount Max pressure HP LP 12 Means pressure of High Pressure side Low Pressure side Protection 13 Protection level against dust and water Working temperature 14 Working temperature Condition of cooling heating 15 Dry bulb temperature and w...

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