Benutzeranleitung / Produktwartung CHDX07263 des Produzenten Sanyo
Zur Seite of 142
2-W A Y ECO-i MUL TI SYSTE M Outdoor Units Refrigerant R410A is used in the outdoor units. * Salt-Air Damage Resistant Specifications. ** 96 72 Class C ECO-i W -2W A Y CHDX07263 CHDX09663 CHDXR07263 C.
Please Read Before Starting This air conditioning system meets strict safety and operat- ing standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. Carefully read this instruction booklet before beginning.
Check of Density Limit The room in which the air conditioner is to be installed requires a design that in the event of refrig- erant gas leaking out, its density will not exceed a set limit.
— CONTENTS — Section 1: CONTROL FUNCTIONS .......................................... 1 - 1 1. Introduction ............................................................. 1 -2 2. Selecting Outdoor Unit f or Operation ................................
Section 5: TROUBLE DIA GNOSIS .......................................... 5 - 1 1. Contents of Remote Controller Switch Alarm Display ............................. 5 -2 2. Outdoor Unit Control P anel LED Display ...................................... 5 -4 3.
1 1 - 1 W -2W A Y ECO-i SYSTEM Contr ol Functions Contents 1. CONTROL FUNCTIONS 1. Introduction ........................................................... 1 -2 2. Selecting Outdoor Unit for Operation ...................................... 1 -3 3. Compressor Control .
1 Outdoor unit No.1 1 1 1 1 1 1 1 1 At time of shipment At time of shipment System address No. of indoor units No. of outdoor units Unit No. On-site setting On-site setting Not necessary Not necessary Not necessary The W-2WAY ECO-i is a system that allows multiple outdoor units to be connected.
1 (2) Delayed start for each system * For information concerning EEPROM settings, refer to the field application functions. (1) (2) Stopping individual outdoor units The last unit to stop operating is the outdoor unit that contains the inverter compressor with the shortest amount of operating time .
1 3-1. Compressors Mounted in the Outdoor Units Constant speed 5 hp ––– Scroll 72 96 DC Inverter DC Inverter Capacity Rotary hp = horsepower * Immediately after installation, all compressors have an operating time of zero.
1 (1) (2) The inverter frequency during operation may be lower than the frequency listed above due to overload current protection control. * If Quiet mode is selected, the inverter may stabilize at a frequency lower than those stated above. For information about Quiet mode, refer to the field application functions.
1 °F * Depending on the maximum requirement level of the indoor unit, the judgement temperatures for each area may vary as shown in the figure. (1) (2) Even within the same area, the compressor capacity varies depending on the refrigerant temperature.
1 PX=125.6 °F PX –0.1 Thermostat OFF Horsepower increase prohibited Horsepower increase permitted Horsepower increase permitted Maximum requirement level [L] * Depending on the maximum requirement level of the indoor unit, the judgment temperatures for each area may vary as shown in the figure (example).
1 When restarting after the trip stop occurs, the horsepower may increase slowly depending on the trip counter value. (1) If trip counter =1, the horsepower increases at a speed that is 1/2 of ordinary roadmap control. (2) If trip counter =2, the horsepower increases at a speed that is 1/3 of ordinary roadmap control.
1 (2) Heating control when outdoor unit heat exchanger is acting as an evaporator * When the above operation is finished, normal operation starts at the horsepower determined by the indoor units where thermostats are ON .
1 (1) (2) (3) (1) (2) (3) Control time 4-2-3. Refrigerant Oil Recovery Control between Systems Simplified flow of system refrigerant oil reco very control Refrigerant oil recov er y control between systems shall be perf or med as the flow mentioned below .
1 Condition 1: L2 line or below is detected twice, each time continuously for 4 minutes, when the compressor is operating. Condition 2: L1 line or below is detected for a total of 60 minutes when the compressor is operating.
1 Evaporator Switch (2) • Defrost flow E: Evaporator operation C: Condenser operation S: Shut off E C: Switching from evaporator operation to condenser operation C E: Switching from condenser operation to evaporator operation ON ON ON ON C C C C E C C S S S C C SS S S S C C C ON C OFF Switch (1) 4-3-6.
1 4-3-7. Defrost end judgment conditions Defrost ends when either of the below defrost end judgment conditions is met. Condition 1: The temperatures are 50°F or higher at all temperatures sensors installed on the outdoor unit heat exchanger coils.
1 (1) 30 seconds after the oil level changes from 2 to 1, the recovery valves turn ON. However, if the oil level becomes 2, this control is stopped. * If the low oil level continues, that outdoor unit (oil-receiving outdoor unit) receives a supply of oil from operating outdoor units where the oil level is not low (oil-supply outdoor units).
1 (1) (2) (3) (4) Control during normal operation (A) Cooling operation (B) Mixed cooling/heating operation The main purpose of this valve is to detect the flow of refrigerant (refrigerant volume) on the indoor-unit side when the outdoor unit heat exchanger is functioning as an evaporator.
1 (1) When unit is stopped (2) When unit is operating (A) (B) (C) (D) (E) (F) (G) (1) When unit is stopped (2) When unit is operating 6-3. Recovery Valve (ORVR) This valve recovers refrigerant oil from the balance tube to the compressor. This valve is always OFF.
1 Front Heat exchanger 1 72 96 7-1. Types of Electronic Thermostatic Expansion Valves [CHDX07263, CHDX09663] Capacity Electronic control valve Electronic control valve 1 Electronic control valve 2 Electronic control valve 4 Heat exchanger 1 valve Heat exchanger 2 valve For SC circuit Heat exchanger 1 valve Heat exchanger 2 valve For SC circuit 7-2.
1 ) 7-4. SC Circuit Electronic Control Valve [MOV4] (1) SC Control (Cooling Mode only During cooling operation, the liquid refrigerant which condenses at the outdoor unit heat exchanger flows into the receiver tank, and SC (sub-cool = supercooling) approaches 0 °F.
1 8-1. Fan mode * 8-3. Fixed Initial Fan Mode For the first 30 seconds after operation starts, the mode is fixed at the initial mode which was calculated from the relationship between the outdoor air temperature and the outdoor unit horsepower.
1 - - - Serial-parallel I/O must be connected in order to perform demand control. The below input is received by serial- parallel I/O, and demand control is performed. The demand values can be set as needed with this device. For more information, refer to the field application func- tions.
1 20 20 – 20 20 – – 10-1. Normal Control (1) Cooling operation Position of electronic control valve Stopped Fan Thermostat OFF Thermostat ON Cooling Outdoor unit operating Outdoor unit stopped Performs SH control in the range of 55 – 480 pulses.
1 10-2. Special Control Control Operating mode Subject indoor units Position of electronic control valve 4-way valve adjustment control Reverse cycle defrost control Outdoor cycle defrost control Syst.
1 Electronic thermostatic expansion valve Gas tube valve ON ON ON 20 pulses 20 pulses 20 pulses A gas tube valve kit may be connected to the Type D indoor unit. When the gas tube valve kit is connected, operations of gas tube valve kit and indoor unit electronic thermostatic expansion valve are as shown in the table.
1 (1) (2) This control is carried out regularly in cooling mode only. During stopped, fan or thermostat OFF condition, indoor unit expansion valve is opened regularly for 1 to 2 min- utes regularly (at an interval of once every 2 hours.
1 <Alarm Information> (1) Discharge temperature protection alarm This device sets an upper limit discharge temperature of 222°F for all compressors. When the discharge tem- perature reaches 222°F, that compressor is stopped and restarted. If the same high discharge condition occurs 4 times, then an alarm occurs.
1 Occurs when an open CT c i rcu i t i s detected i n the i nverter compressor . 96 Occurs dur i ng ord i nary operat i on when overcurrent (27 A) i s detected .
1 (1) (2) High-pressure sensor failure This system contains 2 types of pressure sensors: a high-pressure sensor and a low-pressure sensor. Alarms are emitted when the high-pressure sensor becomes an e.
1 <Caution> (A) Reduce the number of outdoor units set at outdoor unit No.1 by the number of failed outdoor units. (B) At the S010 switch on the PCB of the failed outdoor unit, turn ON the switch for the compressor to dis able, and turn ON the “backup” switch.
1 [2] Disabling operation of 1 compressor At the S010 switch on the PCB of the failed outdoor unit, turn ON the switch for the compressor to disable, and turn ON the “backup” switch. ON (C) Close all service valves at the failed outdoor units. (D) Reset the power at outdoor unit No.
1 17-2. Anti-slime countermeasures ... EEPROM setting 0C (set only on the main unit) This setting controls the operation of the drain pump. 17-3. Delayed Start for Each System: Outdoor EEPROM 3E (set only on outdoor unit No. 1) The operation start time can be delayed according to the set system addresses.
1 0 1 2 036 0.0014 0.0026 0.0050 0.0074 600 630 670 710 740 770 800 Operates to the maximum capacity. – 17-5. Optional Solenoid Valve Control Operation Setting: Outdoor EEPROM C0 (set at each outdoor unit) 17-6.
1 18-1. Snowfall Sensor Functions: Outdoor EEPROM 04 * If the snowfall sensor is used, then depending on the circumstances it is necessary to make the correct setting at all outdoor units in the system. * If “control is not performed” is set, control by the above signal is ignored.
1 When judgment mode is not engaged, the LED indicates the normal display (OFF), or else indicates alarms or other information. [1] Judgment mode is canceled automatically when 4 hours have passed after it was started. [2] Forced cancel Short-circuit the CHECK pin while the judgment mode display is active in order to cancel judgment mode.
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2 2 - 1 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures Contents 2. OUTDOOR UNIT REP AIR PR OCEDURES 1. Removing P anels ....................................................... 2 -2 2. Removing Electrical Component Bo x and Duct ...............
2 2 - 2 1. Removing P anels W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures Fig. 1 Front panel Procedures: 1. Removing Panels 2. Removing Electrical Component Box and Duct 3. Discharging Compressor Oil 4. Backup Operation 5. Recovering Refrigerant 6.
2 2 - 3 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 2. Removing Electrical Component Bo x and Duct (1) Remove the electrical component box cover (remove 6 screws). (Fig. 3) • When closing the cover after the repair work, set the upper fringe of the cover should come to align inside the electrical component box.
2 2 - 4 2. Removing Electrical Component Bo x and Duct W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (7) Remove the lower duct: (remove 2 screws, and a hook) (8) Remove the upper duct: (remove 3 screws) (Fig. 7) Lower duct Upper duct Fig. 6 Fig.
2 2 - 5 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 3. Dischar ging Compressor Oil Discharged oil can be used for checking the condition of the system. Based on the appearance and color of the discharged oil, a judgment can be made on whether the system is operating normally or not.
2 2 - 6 4. Backup Operation W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures This system includes an emergency automatic backup function that allows the A/C to operate during the period after trouble occurs until repairs are made. However, during repair and at other times, use manual backup opera- tion.
2 2 - 7 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 4. Backup Operation <If the failed unit is the No. 1 outdoor unit (main unit)> If the No. 1 unit (main unit) has failed, a different outdoor unit must be set as the No. 1 unit (main unit).
2 2 - 8 4. Backup Operation W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 4-2-2. Backup operation by setting the failed compressor not to operate Backup operation settings for each compressor INV compressor AC1 compressor Setting for backup operation OK Failed DIP switch S010: Turn BACK UP and AC1 ON.
2 2 - 9 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 5. Recovering Refrigerant The following equipment and tools are required: Jumper wire with clips, adjustable wrench, set of manifold gaug.
2 2 - 10 5. Recovering Refrigerant W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 5-2. Refrigerant Recovery Procedures (Indoor Unit) The flowchart below shows the refrigerant recovery procedures you must follow when replacing or repairing the indoor unit due to trouble in the refrigerant circuit.
2 2 - 11 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 5. Recovering Refrigerant (2) If the remote controller (RCS-TM80BG) is not available for maintenance of the outdoor unit Determine the outdoor unit where the unit No. setting (S007) (3P DIP switch) (Blue) on the outdoor unit control PCB is set to No.
2 2 - 12 5. Recovering Refrigerant W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 5-2-3. Refrigerant recovery procedures (2): Indoor unit with no ball valve equipped Refrigerant in all indoor units and the refrigerant tubing circuit must be pumped into the outdoor unit.
2 2 - 13 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 5. Recovering Refrigerant 5-3. Recovery of Refrigerant from Entire System (1) Turn off power to the entire outdoor system. (2) Short-circuit the AP (Air Purge) pins (CN102) on the outdoor control PCB of all outdoor units, then supply power to the outdoor units.
2 2 - 14 6. Checking f or Leakage After Repair W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 6-1. Pressure Check for Leakage of Outdoor Unit After completing repair of the outdoor unit, carry out the following leakage check.
2 2 - 15 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 7. Evacuating System This procedure is carried out to ensure there is no remaining refrigerant or other gases (nitrogen, etc.
2 2 - 16 8. Charging Compressor Oil W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 8-1. If Refrigerant Has Already Been Charged to Outdoor Unit Be sure to use an exclusive oil-charging tank for charging compressor oil.
2 2 - 17 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 8. Charging Compressor Oil (2) Charging compressor oil into oil-charging tank Connect a piece of pipe to the lower valve and then insert the other end deeply into the bottom of the oil con- tainer.
2 2 - 18 8. Charging Compressor Oil W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures Next follow the instructions in “5-2-1. Cooling operation (for all units)” at the outdoor unit where oil will be charged, and start cooling operation at all units.
2 2 - 19 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 8. Charging Compressor Oil 8-3. Charging Additional Compressor Oil (after replacing compressor) The rated amount of oil is pre-charged in the compressors as given below: When replacing a faulty compressor, be sure to first measure the amount of remaining oil in the compressor.
2 2 - 20 9. Pumping Out Refrigerant from Outdoor Unit W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures Required equipment and tools: This work is performed in order to collect the refrigerant fr.
2 2 - 21 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 9. Pumping Out Refrigerant from Outdoor Unit (8) Short-circuit the vacuum application pin on the outdoor unit control PCB of the unit to be repaired.
2 2 - 22 9. Pumping Out Refrigerant from Outdoor Unit W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (9) Close the gas tube and balance tube on the outdoor unit to be repaired. Then slowly close the liquid tube ser- vice valve. * When the low pressure at the outdoor unit to be repaired reaches 72.
2 2 - 23 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor 10-1. Compressor Trouble Diagnosis and Check Methods Generally, compressor failures can be classified into the following categories. (1) Mechanical trouble (A) Locking (intrusion of foreign objects, galling, etc.
2 2 - 24 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10-2. Replacing the Compressor(s) 10-2-1. Replacing only the failed compressor (1) If backup operation is required, follow the instructions in “4. Backup Operation” and engage backup operation.
2 2 - 25 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor 10-2-2. Replacing all compressors in a failed unit (1) Follow the instructions in “3. Discharging Compressor Oil” and drain the oil from the oil separator in the failed unit.
2 2 - 26 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10-2-3. Replacing all compressors in a system (1) Follow the instructions in “3. Discharging Compressor Oil” and drain the oil from the oil separators in all out- door units.
2 2 - 27 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor 10-2-4. Dry core cleaning If burning or other failures occur repeatedly at compressors within the same system, in many cases the cause is acid, sludge, carbon, or other substances that remain in the refrigeration cycle as the result of insufficient cleaning.
2 2 - 28 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (16) After evacuating all nitrogen gas from the tubing, apply vacuum to all outdoor units where dry cores were removed until the pressure is –14.7 psig (5 Torr) or less. (17) INSTALLATION: Refer to the “Information for the Person in Charge of Installation” items.
2 2 - 29 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor Removal (1) Connect a manifold gauge to the high- and low-pressure outlet ports at the outdoor unit where the compressor will be replaced. Connect the manifold gauge to a nitrogen cylinder and perform nitrogen gas replacement in the outdoor unit tubings.
2 2 - 30 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (1 1) (12) (13) CAUTION CAUTION Fig. 23 Crankcase heater Cushioning rubber (Inner 1 leg) Cushioning rubber (Temporary fastening bolts - 2 inner legs) Front view Fig.
2 2 - 31 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor Removal (1) (2) Follow the instructions in “1. Removing Panels” and “2. Removing Electrical Component Box and Duct” and remove the corresponding parts from the outdoor unit where the compressor will be replaced.
2 2 - 32 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (1) (2) * (3) (4) (5) Temporary mount 2 cushion rubbers with bolts at the position as shown in the figure 27. Set up the leg of the new compressor onto the 2 cushion rubbers.
2 2 - 33 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 10. Compressor (6) (7) (8) (9) (10) (12) (13) Follow the instructions in “7. Evacuating System” and apply vacuum to the outdoor unit where the compres- sor was replaced. CAUTION CAUTION Fig.
2 2 - 34 10. Compressor W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (1) (1) (C) Replacing multiple compressors Removal Follow the instructions in “(A) Replacing the inverter compressor,” “(B) Replacing constant-speed compressor,” and remove the compressors.
2 2 - 35 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 11. High and Low Pressure Sensor s (1) (2) (3) (1) CAUTION Fig. 29 High pressure sensor The outdoor unit connection ports for the high and low pressure sensors employ Schrader-type push-to-release valves.
2 2 - 36 12. Replacing 4-way V alve W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures (1) (2) (3) Connect the manifold gauge to the high and low-pressure outlet ports at the outdoor unit where the 4-way valve will be replaced. Connect the manifold gauge to a nitrogen cylinder and perform nitrogen gas replace- ment.
2 2 - 37 W -2W A Y ECO-i SYSTEM Outdoor Unit Repair Pr ocedures 12. Replacing 4-way V alve (1) (2) (3) (4) CAUTION Brazed parts (4 locations) Fig. 31 12-2. When the replacement is not available from the right side of the unit Follow the instructions of “10.
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3 3 - 1 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller Contents 3. OUTDOOR UNIT MAINTENANCE REMO TE CONTROLLER 1. Overview .............................................................. 3 -2 2. Functions ...........................
3 3 - 2 1. Overview W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller OUTDOOR UNIT MAINTENANCE REMO TE CONTROLLER (RCS-TM80BG) f or W -2W A Y ECO-i N About the outdoor unit maintenance remote controller The outdoor unit utilizes non volatile memor y (EEPROM) on its PCB.
3 3 - 3 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 2. Functions N Functions on the ordinary displa y (1) Functions: Button operations can be used to perf or m the f ollowing functions .
3 3 - 4 3. Ordinary Displa y Controls and Functions W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller N Functions on the ordinary displa y • Connect the special ser vice check er wir ing to the outdoor unit PCB. The connection is shown in the figure belo w .
3 3 - 5 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 3. Ordinary Displa y Controls and Functions Fig. 1 L All units start/stop (Fig. 1) <Operation> The (ON/OFF operation) b utton can be used to star t and stop all the indoor units.
3 3 - 6 3. Ordinary Displa y Controls and Functions W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller N Display (functions) • Use the temperature setting and b uttons to change the item code. Item code Item Remarks Outdoor unit alarm Alar m code display No .
3 3 - 7 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 3. Ordinary Displa y Controls and Functions (3) XX-YY R.C. Displa ys the outdoor unit sub-bus address which is currently selected. XX = Outdoor system address on main bus line (1 – 30) YY = Outdoor unit sub-bus address (1 – 8).
3 3 - 8 3. Ordinary Displa y Controls and Functions W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller N Concerning the 7-segment, 4-digit display remote contr oller timer display The unit Nos. of connected units are indicated by f our 7-segment digits ( ) and a colon.
3 3 - 9 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 4. Monitoring Operations Displa y the indoor unit and outdoor unit sensor temperatures. <Operating procedure> Press and hold the (CHECK) button and buttons sim ultaneously f or 4 seconds or longer to engage temperature monitor mode.
3 3 - 10 4. Monitoring Operations W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller N Display of unit No. 1 (main unit) DN Description Remarks Intake temp . °F E1 °F E2 °F E3 °F Indoor unit Discharge temp . °F Discharge temp .
3 3 - 11 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 5. Outdoor Unit Alarm History Monitor • Displa ys outdoor unit alar ms only . • Check the indoor unit alarm histories separately using the indoor unit remote controllers or other control de vice.
3 3 - 12 6. Mode Settings W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller N Setting mode 1 <Operating procedure> Press and hold the (CHECK) button and (VENTILA TION) button sim ultaneously f or 4 seconds or longer . Press the temperature setting and buttons to change the item code .
3 3 - 13 W -2W A Y ECO-i SYSTEM Outdoor Unit Maintenance Remote Contr oller 6. Mode Settings N Setting mode 2 <Operating procedure> Press and hold the (CHECK) button, b utton, and button simultaneously f or 4 seconds or longer . Press the temperature setting and buttons to change the item code.
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4 4 - 1 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Contents 4. REMO TE CONTROLLER FUNCTIONS 1. Simple Settings Function ................................................ 4 -2 2. Detailed Settings Function ......................................
4 4 - 2 1. Simple Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions This allows the filter lif etime, operating mode prior ity change, central control address , and other settings to be made f or an individual or group- control indoor unit to which the remote controller used f or simple settings is connected.
4 4 - 3 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 1. Simple Settings Function List of Simple Setting Items Item code Item Setting data No. Description Filter sign ON time (fitlter lif e time) 0000 Not displa yed 0001 150 hours 0002 2,500 hours 0003 5,000 hours 0004 10,000 hours 0005 Use the filter clogging sensor .
4 4 - 4 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions This allows the system address , indoor unit address, and other settings to be made f or the individual or group-control indoor unit to which the remote controller used f or detailed settings is connected.
4 4 - 5 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 2. Detailed Settings Function List of Detailed Setting Items Item code Item Setting data No.
4 4 - 6 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Item code Item Setting data No. Description (1B) Forced thermostat ON time 0000 5 minutes 0001 4 minutes Cooli.
4 4 - 7 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 2. Detailed Settings Function Item code Item Setting data No. Description A utomatic drain pump operation 0000 No f orced operation 0001 F orced operation f or 1 minute 0060 Continuous operation V entilation fan operation 0000 None 0001 V entilation fan operated b y remote controller .
4 4 - 8 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Item code Item Setting data No. Description F an tap setting (F an tap change in order to pre vent drop in air.
4 4 - 9 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 2. Detailed Settings Function Simple setting items Item code Item Description 01 Filter sign ON time setting (filter lif etime) Changes the indoor unit filter lif etime when a high-performance filter or other optional product is installed.
4 4 - 10 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Item code Item Description 03 Central control address Set when using a central control de vice. Used when setting the central control address manually from the remote controller .
4 4 - 11 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 2. Detailed Settings Function When the operating mode at the priority remote controller is changed, the operating modes of other remote controllers change as shown belo w .
4 4 - 12 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Item code Item Description 10 Unit type Set when the indoor unit EEPROM memory is replaced during ser vicing. 11 Indoor unit capacity 12 System (outdoor unit) address These are not set at the time of shipping from the f actor y .
4 4 - 13 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 2. Detailed Settings Function Item code Item Description 1F (Upper limit) 20 (Lower limit) Change to the remote control temperature setting.
4 4 - 14 2. Detailed Settings Function W -2W A Y ECO-i SYSTEM Remote Contr oller Functions (Continued from pre vious page) Item code Item Description 3C Heat e xchanger temperature f or cold air discharge The heat e xchanger temperature control point f or pre vention of cold air discharge during heating operation can be changed.
4 4 - 15 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 3. Remote Controller Servicing Functions The remote controller includes a number of servicing functions.
4 4 - 16 3. Remote Controller Servicing Functions W -2W A Y ECO-i SYSTEM Remote Contr oller Functions T est Run Function Operates the unit with the thermostat forced ON. <Procedure> Press and hold the button f or 4 seconds or longer .
4 4 - 17 W -2W A Y ECO-i SYSTEM Remote Contr oller Functions 3. Remote Controller Servicing Functions N Sensor T emperature Display Function (display ed regardless of whether unit is operating or stopped) The procedure below displa ys the sensor temperatures from the remote controller , indoor unit, and outdoor unit on the remote controller .
4 4 - 18 3. Remote Controller Servicing Functions W -2W A Y ECO-i SYSTEM Remote Contr oller Functions Indoor unit sensors 02 Intak e temp. 03 E1 04 E2 05 E3 06 Discharge temp . 07 Discharge temp . setting 08 P osition of indoor unit electronic control valv e Outdoor unit sensors Unit No.
5 5 - 1 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis Contents 5. TROUBLE DIA GNOSIS 1. Contents of Remote Controller Switc h Alarm Display ......................... 5 -2 2. Outdoor Unit Control P anel LED Display .................................... 5 -4 3.
5 5 - 2 1. Contents of Remote Controller Switc h Alarm Display W -2W A Y ECO-i SYSTEM T r ouble Diagnosis ON: Blinking: OFF: P ossible cause of malfunction Wired remote control display Wireless remote.
5 5 - 3 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 1 . Contents of Remote Controller Sw i tc h Alarm D i splay ON : Bl i nk i ng : OFF : P oss i ble cause of malfunct i on W i red remote control d i s.
5 5 - 4 2. Outdoor Unit Control P anel LED Display W -2W A Y ECO-i SYSTEM T r ouble Diagnosis ( : ON : Blinking : OFF) LED (RED) Display meaning 12 After the power is turned ON (and automatic address setting is not in progress), no communication with the indoor units in that system is possible .
5 5 - 5 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 3. Remote Controller Servicing Functions Sensor temperature display function (displa yed both when unit is running and stopped) Use the f ollowing ch.
5 5 - 6 3. Remote Controller Servicing Functions W -2W A Y ECO-i SYSTEM T r ouble Diagnosis Sensor T emperature Relationship T able Location where sensor is installed Sensor address Sensor type Sensor.
5 5 - 7 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes With type 96, the INV compressor is compressor 1, and the constant-speed compressor is compressor 2. With type 72, the INV compressor is compressor 1. Alarm code Alarm meaning P age E06 Outdoor unit failed to receiv e serial communication signals from indoor unit.
5 5 - 8 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis P03 Compressor 1 discharge temperature trouble 5 -23 P04 High-pressure switch activ ated 5 -24 P05 Rev erse phase (or .
5 5 - 9 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes E06 Alarm Alarm code E06 Alarm meaning Outdoor unit failed to receiv e serial communication signals from indoor unit. Alarm conditions Outdoor unit f ailed to receive serial communication signals from indoor unit.
5 5 - 10 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis E16 Alarm Alarm code E16 Alarm meaning Automatic address setting alarm (too many units) Alarm conditions The number of indoor units was too man y when automatic address setting was performed.
5 5 - 11 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes E25 Alarm Alarm code E25 Alarm meaning Outdoor unit address setting failure (duplication) Alarm conditions Communication b y outdoor unit main-sub control wiring was received that contained the same address as that unit 5 times or more within 3 minutes.
5 5 - 12 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis F04, F05 Alarm Alarm code F04, F05 Alarm meaning Compressor 1 discharge temperature sensor trouble , compressor 2 discharge temperature sensor trouble . Alarm conditions (1) Discharge temp.
5 5 - 13 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes Check (3) Leakage from the discharge tube chec k valve T rouble: Although the other compressor is oper ating and this compressor is stopped, the discharge temperature of this compressor rises together with the temperature of the other compressor .
5 5 - 14 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis F08 Alarm Alarm code F08 Alarm meaning Outdoor air temperature sensor trouble Alarm conditions (1) A/D step is 10 steps or less (shor t circuit).
5 5 - 15 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes F16 Alarm Alarm code F16 Alarm meaning High-pressure sensor trouble (abnormal r ise in high pressure) (In some cases this may not be the result of a high-pressure sensor malfunction.
5 5 - 16 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis Correction (1) Replace the high-pressure sensor . Caution: Because the high-pressure sensor connection emplo ys a Schrader-type v alve , it can be remov ed and replaced.
5 5 - 17 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4 . W -2W A Y ECO- i Alarm Codes H11, H12 Alarm Alarm code H11, H12 Alarm meaning H11: Constant speed compressor 2 ov ercurrent alarm H12: Constant speed compressor 2 lock current alarm Alarm conditions H11: Dur ing operation, the compressor current value e xceeded 20 A for 30 seconds or longer .
5 5 - 18 4 . W -2W A Y ECO- i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis H03, H13 Alarm Alarm code H03, H13 Alarm meaning H03: Compressor 1 CT sensor disconnected or shor t-circuit H13: Compressor 2 CT sensor disconnected or shor t-circuit Alarm conditions Compressor 1: Current value of more than 18.
5 5 - 19 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes H06 Alarm Alarm code H06 Alarm meaning Low-pressure s witch activated Alarm conditions A repor t occurs during A/C operation when the low-pressure sensor installed at constant low-pressure parts detects a pressure of 7.
5 5 - 20 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis H07 Alarm Alarm code H07 Alarm meaning No-oil alar m Alarm conditions This alarm occurs when oil does not flow for a specified amount of time in tubing where oil flow constantly .
5 5 - 21 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes H08, H27 Alarm Alarm code H08, H27 Alarm meaning T rouble (open circuit) with the oil sensor (connection) at compress.
5 5 - 22 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis L04 Alarm Alarm code L04 Alarm meaning Outdoor system address duplication Alarm conditions Communication b y inter-unit control wiring was received that contained the same address as that unit 5 times or more within 3 minutes.
5 5 - 23 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes P03, P17 Alarm Alarm code P03, P17 Alarm meaning Compressor 1 discharge temperature trouble; Compressor 2 discharge temperature trouble Alarm conditions T emperature is 222°F or higher and pre-trip stop has occurred.
5 5 - 24 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis P04 Alarm Alarm code P04 Alarm meaning High-pressure switch activ ated. Alarm conditions The operation of the electronic circuit in the high-pressure s witch may shor t-circuit the ter minal depending on the pressure.
5 5 - 25 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 4. W -2W A Y ECO-i Alarm Codes P16 Alarm Alarm code P16 Alarm meaning Compressor 1 (INV) overcurrent alarm Alarm conditions This alarm occurs when c.
5 5 - 26 4. W -2W A Y ECO-i Alarm Codes W -2W A Y ECO-i SYSTEM T r ouble Diagnosis P26 Alarm Alarm code P26 Alarm meaning Inv er ter compressor high-frequency overcurrent alarm Alarm conditions This a.
5 5 - 27 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 5. Blinking Inspection Display on the Remote Contr oller Blinking inspection display (2) (compressor ma gnet SW seizing detection) Alarm code (Blink.
5 5 - 28 6. Inspection of P ar ts W -2W A Y ECO-i SYSTEM T r ouble Diagnosis (1) High-pressure switch (63PH1, 63PH2) • 63PH1: Disconnect the CN042 connector (3P , WHT) from the outdoor unit control panel. Measure the resis- tance between soc ket pins 1 and 3.
5 5 - 29 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 7. T est Pin When the test pin on the outdoor unit control PCB is shor t-circuited, each par t can be operated individually . • After turning OFF the main unit power , shor t circuit the test pin (CN022, WHT), then turn the power bac k ON.
5 5 - 30 8. Thermister Characteristics Cur ve W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 8-1. Room temp.sensor 8-2. Indoor heat exch. coil sensor (E1, E3) 40 35 30 25 20 15 10 5 0 -20 -15 -10 -5 0 5 1.
5 5 - 31 W -2W A Y ECO-i SYSTEM T r ouble Diagnosis 8. Thermister Characteristics Cur ve 8-4. Compressor discharge gas temp. sensor 8-3. Outdoor temp. sensor , Compressor suction gas temp.
– MEMO – 5 - 32.
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