Инструкция на Сплит-кондиционеры кассетные Fujitsu бренда Fujitsu

8. PRECAUTIONS ON INSTALLATION

8.1 INSTALLATION MANUAL 8.1.1 AU18, 25, 25(3) SPLIT TYPE ROOM AIR CONDITIONER Cassette Type [Cooling Model] INSTALLATION MANUAL (PART NO. 9356964011) For authorized service personnel only. WARNING 1 For the room air conditioner to operate satisfactorily, install it as outlined in this installation…

The following installation parts are furnished. Use them as required

INDOOR UNIT ACCESSORIES Name and Shape OUTDOOR UNIT ACCESSORIES Coupler heat insulation 2 For indoor side pipe joint Special nut A (large flange) 4 For installing indoor unit Special nut B (small flange) 4 For installing indoor unit Template 1 For ceiling hole cutting Remote controller Name and…

Especially, the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation. Decide the mounting position together with the customer as follows: The discharge direction can be selected as shown below.…

ELECTRICAL REQUIREMENT

Electric wire size and fuse capacity. Table 1 height Maximum Maximum (between indoor height and outdoor) Table 2 25 m (82 ft) 15 m (49 ft) 18,000 BTU/h class 25,000 BTU/h(1ø) class 25,000 BTU/h (3ø) class 9.53 mm 15.88 mm 35 m (115 ft) (3/8 in) (5/8 in) 30 m (98 ft) Diameter Small Large 18,000 BTU/h…

1. Flare processing

(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed. (2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs. (3) Remove the flare nut from the indoor unit pipe and outdoor unit and assemble as shown in (Table 3) and insert the flare nut onto…

When the flare nut is tightened properly by your hand,

hold the body side coupling with a separate spanner, then tighten with a torque wrench. (Fig. 15) 5 AIR PURGE Holding spanner Holding spanner Fig.15 Body side 90 Torque wrench CAUTION 1 [Hold] the torque wrench at its grip, keeping it in the right angle with the pipe as shown in Fig. 15, in order to…

Pipe length

CAUTION 16 ft 33 ft 49 ft 66 ft 82 ft 98ft 115 ft (5 m) (10 m) (15 m) (20 m) (25 m) (30 m) (35 m) 18,000 BTU/h Addi- class None tional 25,000 BTU/h (1 ) class ø refrigerant 25,000 BTU/h None (3 ø) class 2.1 oz 4.2 oz 6.3 oz 8.5 oz (60 g) (120 g) (180 g) (240 g) — 2.1 oz 4.2 oz 6.3 oz 8.5 oz 10.6 oz…

(1) Remove the terminal cover of the outdoor unit, and insert

the end of the connection cord and the power cable [25,000 BTU/h (3ø) class] into the terminal board. (2) Fasten the connection cord with the cord clamps, and install the terminal cover. [25,000 BTU/h (3ø) class] Fig.24 Terminal board R S T N [18,000 BTU/h class • 25,000 BTU/h (1ø) class] Green/…

8 GRILLE INSTALLATION

Fig. 27 1. Blower cover insulation Install the blower cover insulation only when the outlet direction is not specified. Two blower cover insulations are packed with the grille assembly. Install the blower cover insulation at the diffuser position shown in Fig. 25. At this time, use the piping…

REMOVING/INSTALLING THE INTAKE GRILLE

1. Removing the intake grille (1) Push the intake grille pushbuttons (two places) until you hear a “click”. (2) Open the intake grille. (2) Install the wire (hanger). Fig. 33 Fig. 30 PUSH PUSH Wire (hanger) (3) Remove the wire (hanger). (Fig. 31) (4) Remove the intake grille by opening it 100˚ to…

Install the remote controller so that the front is facing the

photocell. (Fig. 35) Remote controller code switching Fig. Fig. 35 O F F DIPSW Photocell DIP switch Indoor unit control panel Remote control unit Fig. 39 Install the remote controller with a distance of 7 m between the remote controller and the grille photocell as the criteria. However, when…

10 TEST RUNNING

Error Press the remote controller test running button while the air conditioner is running. At the end of test running, press the remote controller start-stop button. (F ig. 40) The OPERATION and TIMER lamps operate as follows (Table 6) according to the error contents. Table 6 Fig. 40 Error display…

8.1.2 AU18R, 25R

SPLIT TYPE AIR CONDITIONER Cassette Type [Reverse Cycle Model] INSTALLATION MANUAL (PART NO. 9356966015) For authorized service personnel only. WARNING 1 For the room air conditioner to operate satisfactorily, install it as outlined in this installation manual. 2 Connect the indoor unit and outdoor…

The following installation parts are furnished. Use them as required

INDOOR UNIT ACCESSORIES Name and Shape OUTDOOR UNIT ACCESSORIES Q'ty Application Coupler heat insulation 2 For indoor side pipe joint Remote controller cord clamp 10 For installing the remote controller cord Screw 10 For installing the remote controller cord clamp 2 For installing the remote…

Especially, the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation. Decide the mounting position together with the customer as follows: The discharge direction can be selected as shown below.…

Fig. 3

Outdoor unit When installing the outdoor unit where it may exposed to strong wind, fasten it securely. 1'4" (40 cm) or more 2' (60 cm) or more Install the unit where it will not be tilted by more than 5 ˚ 1' (30 cm) or more WARNING 1' (30 cm) or more 2' (60 cm) or more (1) If possible, do not…

(1) Install special nut A (large flange) to the hanging bolts at

a position 11-1 /32” to 11-7/32” (280 to 285 mm) from the bottom of the ceiling. (Fig. 7) (2) Next, install special nut B (small flange) to the hanging bolts. Provide a space of 25/64” to 19/32” (10 to 15 mm) between special nut B and special nut A (large flange). (3) Align the end of the hanging…

1. Flare processing

(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed. (2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs. (3) Remove the flare nut from the indoor unit pipe and outdoor unit and assemble as shown in (Table 3) and insert the flare nut onto…

When the flare nut is tightened properly by your hand,

hold the body side coupling with a separate spanner, then tighten with a torque wrench. (Fig. 15) Fig. 15 Holding spanner Body side 90 Torque wrench CAUTION 1 Hold the torque wrench at its grip, keeping it in the right angle with the pipe as shown in Fig. 15, in order to tighten the flare nut…

33 ft

(10 m) 49 ft (15 m) 66 ft (20 m) 82 ft (25 m) 18,000 BTU/h class None 8.5 oz (240 g) 16.9 oz (480 g) 25.4 oz (720 g) 33.9 oz (960 g) 25,000 BTU/h class None 6.0 oz (170 g) 12.0 oz (340 g) 18.0 oz (510 g) 24.0 oz (680 g) Pipe length Additional refrigerant CAUTION 16 ft (5 m) [18,000 BTU/h class]…

Fig. 19

Fig. 21 Insulation Screw with special washer Round terminal Cord clamp Remote controller cord Screw with special washer Fig. 22 Round terminal Terminal board (Indoor unit) 2 Terminal board Connection cord (To the outdoor unit) Round terminal 1 (N) 3 Loop Wire Binder (large) B. Strand wire Strip 3/8"…

(1) Remove the terminal cover of the outdoor unit, and insert

the end of the connection cord and the power cable into the terminal board. (2) Fasten the connection cord with the cord clamps, and install the terminal cover. Fig. 23 Terminal board 8 GRILLE INSTALLATION 1. Blower cover insulation Install the blower cover insulation only when the outlet direction…

Bolting the grille assembly to the body

Install the grille assembly to the body with the four bolts, spring washers, and washers. Fig. 26 REMOVING / INSTALLING THE INTAKE GRILLE 1. Removing the intake grille (1) Push the intake grille pushbuttons (two places) until you hear a “click”. (2) Open the intake grille. Fig. 29 Washer Spring…

REMOTE CONTROLLER

9 INSTALLATION (2) Install the wire (hanger). Fig. 32 Insert the end of a flat blade screwdriver at the arrow parts of the groove at the side of the remote controller case and remove the remote controller case top by turning the screwdriver. Disconnect the remote controller cord from the remote…

10 TEST RUNNING

Fig. 36 Remote controller cord clamp Tapping screw (flush heads) (2) When remote controller cord embedded 1) Embed the remote controller cord and box. 2) Pass the remote controller cord through the hole at the remote controller case bottom and install the cord to the box. (Fig. 37) 3) Connect the…

When the outdoor temperature drops, the outdoor unit's

fans may switch to low speed. Fig. 39 NON STOP CLOCK TEMP COOL FAN HIGH TIMER MODE CLOCK ADJUST SET TIME SET TEMP TIMER MODE MASTER FAN CONTROL CONTROL ENERGY ZONE SAVE CONTROL LOUVER SET TIME CLOCK ADJUST SET TEMP MASTER FAN CONTROL CONTROL ENERGY ZONE SAVE CONTROL LOUVER S ERROR The LED lamps…

3. Checking drainage

To check the drain, remove the water cover and fill with 2 to 3 of water as shown in Fig. 40. The drain pump operates when operating in the cooling mode. Fig. 40 Drain pipe Watering pot Water cover

8.1.3 AU30, 36, 45 (50Hz)

SPLIT TYPE AIR CONDITIONER Cassette Type [Cooling Model] INSTALLATION MANUAL (PART NO. 9356927023) For authorized service personnel only. WARNING 1 For the room air conditioner to operate satisfactorily, install it as outlined in this installation manual. 2 Installation work must be performed in…

The following installation parts are furnished. Use them as required

INDOOR UNIT ACCESSORIES Name and Shape OUTDOOR UNIT ACCESSORIES Q'ty Application Coupler heat insulation 2 For indoor side pipe joint Special nut A (large flange) 4 For installing indoor unit Special nut B (small flange) 4 For installing indoor unit Template 1 Remote controller 1 Machine screw…

Especially, the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation. Decide the mounting position together with the customer as follows: The discharge direction can be selected as shown below.…

ELECTRICAL REQUIREMENT

Electric wire size and fuse capacity. Table 1 Maximum height Maximum height (between indoor and outdoor) 9.53 mm 15.88 mm 30 m 15 m 36,000 BTU/h(3 ø ) class 9.53 mm 19.05 mm 50 m 30 m 45,000 BTU/h(3 ø ) class 9.53 mm 19.05 mm 50 m 30 m Diameter Small 30,000 BTU/h class Large Use 0.7 mm to 1.2 mm…

(1) Install special nut A (large flange) to the hanging bolts at

a position 14-13/32” to 14-19/32” (366 to 371 mm) from the bottom of the ceiling. (Fig. 7) (2) Next, install special nut B (small flange) to the hanging bolts. Provide a space of 25/64” to 19/32” (10 to 15 mm) between special nut B and special nut A (large flange). (3) Align the end of the hanging…

2. Outdoor unit connection cord and pipe connection

preparations (1) Piping and connection cord mounting direction (4-way mounting possible). Fig. 11 Fig. 13 Knockout hole Power cap (Power cable mounting hole) Power cable Cabinet D Cabinet A Pipe Edge cover Pipe mounting hole Connection cord (Indoor unit and outdoor unit connection cord) Rear piping…

1. Flare processing

(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed. (2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs. (3) Remove the flare nut from the indoor unit pipe and outdoor unit and assemble as shown in (Table 3) and insert the flare nut onto…

Fig. 19

Fig. 20 Holding spanner Body side Valve A (small) Valve B (large) 90 Torque wrench CAUTION Hold the torque wrench at its grip, keeping it in the right angle with the pipe as shown in Fig. 19, in order to tighten the flare nut correctly. Flare nut Putty Table 4: Flare Nut Tightening Torque Pipe…

2. Additional charge

INSTALLING THE COUPLER

6 HEAT INSULATION After checking for gas leaks, insulate by wrapping insulation around the two parts (large and small) of the indoor unit coupling, using the coupler heat insulation. After installing the coupler heat insulation, wrap both ends with vinyl tape so that there is no gap. Fig. 22 Coupler…

Fig. 26

HOW TO FIX CONNECTION CORD AND POWER CABLE AT THE CORD CLAMP Connection cord (To the outdoor unit) After passing the connection cord and power cable through the insulation tube, fasten it with the cord clamp. Cord clamp Fig. 24 Insulation tube Fig. 27 Cord clamp Terminal board (Indoor unit) 1 (N) 3…

(1) Remove outdoor unit cabinet A and connect the power

cable and the outdoor unit connection cord wired at the indoor unit. (2) Fasten the power cable and connection cord with cable clip and binders as shown in (Fig. 30). Fig. 28 36,000 BTU/h class Fig. 29 45,000 BTU/h class Control box (outdoor) Terminal board R S T Control box (outdoor) Ground Cord…

8 GRILLE INSTALLATION

1. Blower cover insulation Install the blower cover insulation only when the outlet direction is not specified. Two blower cover insulations are packed with the grille assembly. Install the blower cover insulation at the diffuser position shown in Fig. 31. At this time, use the piping position as…

REMOVING / INSTALLING THE INTAKE GRILLE

1. Removing the intake grille (1) Push the intake grille pushbuttons (two places) until you hear a "click". (2) Open the intake grille. 2. Installing the intake grille (1) Tilt the intake grille 100˚ to 120˚ and hook the three hooks to the intake grille hook shaft. Hook shaft Fig. 38 Fig. 36 Hook…

Insert the end of a flat blade screwdriver at the arrow

parts of the groove at the side of the remote controller case and remove the remote controller case top by turning the screwdriver. Disconnect the remote controller cord from the remote controller terminal board. Fig. 41 Fig. 43 Remote controller cord Remote controller cord clamp Tapping screw…

CAUTION

1 Do not bundle the remote controller cord, or wire the remote controller cord in parallel, with the indoor unit connection wire (to the outdoor unit) and the power supply cord. It may cause erroneous operation. 2 When installing the remote controller and cord near a source of electromagnetic waves…

3. Checking drainage

When the outdoor temperature drops, the outdoor unit's fans may switch to low speed, or one of the fans may stop intermittently. To check the drain, remove the water cover and fill with 2 to 3 of water as shown in Fig. 47. The drain pump operates when operating in the cooling mode. ERROR The LED…

2. Distribution duct hole processing

CAUTION 1 When performing hole opening work, be careful not to damage the drain pan. 2 When connecting the distribution duct, to make the air flow easily, block the outlet port with the blower cover insulation as shown by the hatched lines in Fig. 48. For the blocking direction, refer to Fig. 31.…

Duct connection pattern

Fig. 53 9m m Unit: mm 3. Fresh air duct connection hole processing Cut Fig. 52 shape with a knife. 9 Cut the insulation to a 5 to 5.5 File 4 Approx. 1.5 (width cut by a hacksaw blade) Knife Connect the duct as shown in the figure. Duct CAUTION The air conditioner cannot take in fresh air by itself.…

SPLIT TYPE AIR CONDITIONER Cassette Type [Reverse Cycle Model] INSTALLATION MANUAL (PART NO. 9356967029) For authorized service personnel only. WARNING 1 For the room air conditioner to operate satisfactorily, install it as outlined in this installation manual. 2 Installation work must be performed…

The following installation parts are furnished. Use them as required

INDOOR UNIT ACCESSORIES Name and Shape OUTDOOR UNIT ACCESSORIES Q'ty Application Coupler heat insulation 2 For indoor side pipe joint Remote controller cord clamp 10 For installing the remote controller cord Screw Q'ty Application Power cap 1 For power cable installation Auxiliary pipe assembly 1…

Especially, the installation place is very important for the split type air conditioner because it is very difficult to move from place to place after the first installation. Decide the mounting position together with the customer as follows: The discharge direction can be selected as shown below.…

ELECTRICAL REQUIREMENT

Table 1 Electric wire size and fuse capacity Maximum height Maximum height (between indoor and outdoor) 9.53 mm 15.88 mm 30 m 15 m 36,000 BTU/h(3 ø ) class 9.53 mm 19.05 mm 50 m 30 m 45,000 BTU/h(3 ø ) class 9.53 mm 19.05 mm 50 m 30 m Diameter Small 30,000 BTU/h class Large Use 0.7 mm to 1.2 mm…

(1) Install special nut A (large flange) to the hanging bolts at

a position 14-13/32” to 14-19/32” (366 to 371 mm) from the bottom of the ceiling. (Fig. 7) (2) Next, install special nut B (small flange) to the hanging bolts. Provide a space of 25/64” to 19/32” (10 to 15 mm) between special nut B and special nut A (large flange). (3) Align the end of the hanging…

(2) Remove outdoor unit cabinet A and cabinet D

Fig. 10 Drain cap (2) Fig. 12 Drain pipe (2) Drain pipe mounting hole *After removing the screws, remove cabinet A by pushing it down. Bottom 15-3/4" (400 mm) Valve Drain pipe 25-19/32" (650 mm) 4-ø12 hole (anchor bolt M10) Cabinet A mounting direction (4) Always use a drain pipe at two places. 2…

1. Flare processing

(1) Cut the connection pipe with pipe cutters so that the pipe is not deformed. (2) Holding the pipe downward so that cuttings cannot enter the pipe, remove the burrs. (3) Remove the flare nut from the indoor unit pipe and outdoor unit and assemble as shown in (Table 3) and insert the flare nut onto…

5 AIR PURGE

CAUTION Hold the torque wrench at its grip, keeping it in the right angle with the pipe as shown in Fig. 19, in order to tighten the flare nut correctly. Table 4: Flare nut Tightening Torque Pipe Tightening torque Small pipe 310 to 350 kgf cm (30.4 to 34.3 N m) Large pipe 800 to 1,000 kgf cm (78.4…

Table 7

Fig. 21 Pipe length [TYPE A] Valve A (Small) Additional refrigerant 30,000 BTU/h 8.8 oz 26.5 oz 35.3 oz (250 g) (750 g) (1,000 g) class Valve B (Large) Gauge manifold Small pipe Screwdriver Large pipe Cap 33 ft 66 ft 82 ft 99 ft 132 ft 164 ft (10 m) (20 m) (25 m) (30 m) (40 m) (50 m) Lo oz/ft (g/m)…

7 ELECTRICAL WIRING

HOW TO CONNECT WIRING TO THE TERMINALS A. For solid core wiring (or F-cable) (1) Cut the wire end with a wire cutter or wire-cutting pliers, then strip the insulation to about 15/16” (25 mm) to expose the solid wire. (2) Using a screwdriver, remove the terminal screw(s) on the terminal board. (3)…

Fig. 26

2. Outdoor unit side (1) Remove outdoor unit cabinet A and connect the power cable and the outdoor unit connection cord wired at the indoor unit. (2) Fasten the power cable and connection cord with cable clip and binders as shown in (Fig.30). Binder (large) Connection cord (To the outdoor unit) Fig.…

Fig. 29 36,000 45,000 BTU/h class

Fig. 30 Power cable and connection cord (indoor unit and outdoor unit connection cord) Cable clip Electric box Coupler holder Terminal board Outdoor unit L1 L2 L3 N R S T N 3 (N) 1 4'' (100mm) or less Binder Cord clamp Cabinet D Compressor Power cable Ground Power cable Connection cord (indoor unit…

Grille unit connection wire wiring

Connect the connector in accordance with part A detail view. Then clamp the lead wire with clamp so that it does not touch the rotating parts. . Fig. 34 Fig. 32 Hook of the body Hook of the body Control box Hook of the body Hook A Hook Hook Grille assembly Fig. 35 Part A detail view Bolting the…

(3) Remove the wire (hanger). (Fig. 37)

(4) Remove the intake grille by opening it 100° to 120° (2) Install the wire (hanger). . Fig. 39 Fig. 37 Wire (hanger) 100 to 120 Wire (hanger) 2. Installing the intake grille (1) Tilt the intake grille 100° to 120° and hook the three hooks to the intake grille hook shaft. Wire (hanger) (3) Hook the…

Insert the end of a flat blade screwdriver at the arrow

parts of the groove at the side of the remote controller case and remove the remote controller case top by turning the screwdriver. Disconnect the remote controller cord from the remote controller terminal board Fig. 43 Remote controller cord Remote controller cord clamp Tapping screw (flush heads)…

When EE:EE blinks at the current time display, there is

an error inside the air conditioner. If the ZONE CONTROL button and ENERGY SAVE button are pressed simultaneously for more than three seconds, the self diagnosis check will start and the error contents will be displayed at the current time display. (Fig. 46) When the operation lamp lights, press the…

When the outdoor temperature drops, the outdoor unit’s fans

may switch to low speed, or one of the fans may stop intermittently. THE DUCT CONNEC11 OPENING TION HOLE Fig. 48 ERROR ct The LED lamps operate as follows (Table 9) according to the error contents. on du i ut rib st i D Table 9 r h Error display Error contents ON Lighting continue ai s re F…

(2) Distribution duct connection hole and screw positions

Fig. 50 Unit : mm 316 22 places self-tapping screw holes (for 4 mm) 2. Distribution duct hole processing Use the distribution duct hole by removing the insulation material as shown below. Fig. Knife ø1 3 ø1 190 4 45° 5° 306 Cut Square hole Cut Cut Square hole Cabinet (iron plate) Cut a b Open the…

File

Unit : mm shape with a knife. 9 Cut 5 to 5.5 Fig. 52 Cut the insulation to a Fig. 53 9mm 3. Fresh air duct connection hole processing 4 Approx. 1.5 (width cut by a hacksaw blade) Knife Insert the tool as shown in the figure and push it in the arrow direction and cut the iron plate connection part.…

8.2 REMOTE CONTROLLER INSTALLATION MANUAL

(PART NO.9356976021) 1 CENTRALIZED CONTROL UNIT NO. SETTING METHOD (Performed at indoor unit) Dip swich Rotary swich 6 Indoor unit PC board 1112131 (1) Wire each air conditioner (power cord indoor and outdoor units connection) individually. For details, refer to the ELECTRICAL WIRING section of the…

Cautions

1. Connect the bus wire between indoor units by wiring it so that the numbers are correct. 2. When setting the Rotary switch and Dip switch, do not touch any other parts on the PC board directly with your bare hands. 3 SPARE REMOTE CONTROLLER Two remote controllers can be connected to one air…

5 MEMORY BACKUP FUNCTION

MEMORY BACKUP FUNCTION This function starts operation in accordance with the contents before operation was stopped by pressing of the START/STOP button when the power supply to the air conditioner was stopped and restarted by a power failure, switch,etc. DS 1 MEMORY BACKUP FUNCTION use In the state…

9. TROUBLESHOOTING

WARNING! In the event of a malfunction ( burning smell, etc.), immediately stop operation, turn off the electrical breaker, and consult authorized service personnel. Merely turning off the unit’s power switch will not completely disconnect the unit from the power source. Always be sure to turn off…

9.1 WIRELESS REMOTE CONTROLLER FOR COOLING MOEL

1. SYMPTOMS AND CHECK ITEMS [WIRELESS REMOTE CONTROLLER for COOLING MODEL] Symptom No operation Possible causes Power supply section Check item Check points Check 4 Check 5 Microcomputer input signals DC output voltage Power transformer Remote control signal input faulty Remote controller Check 1…

CN202

8 12V DC Timer (Green) 7 1.2K Operation (Red) 6 1.2K ~ ~ * LED display control section check. Microcomputer output port connected to LED to be displayed “ H (3.5V or more) level. If not “ H level, the microcomputer is faulty. When 3.5V or more is output across pins 5 and 8 of IC5, if the voltage…

Connecto a oscilloscope

to check the waveform CHECK 6 Symptom-----Room temperature cannot be controlled. Preliminary checks * Is the MODE switch in the TEST position? * Are room temperature thermistor and pipe temperature thermistor connectors (CN3 and CN10) inserted firmly? * Is the set temperature correct? (1) Thermistor…

2. Thermistor resistance values

Low: P55(Pin31), P53(Pin29), P54(Pin30) Hi(5V) 1) Room temperature thermistor CHECK 9 Symptom——-Control to outdoor unit faulty Preliminary checks * Check if the signal wire is normal. (1) Compressor and outdoor fan motor do not operate or stop. Is the 12VDC applied to the power relay coil? If not…

9.2 LIQUID CRYSTAL WIRED REMOTE CONTROL MODEL

[LIQUID CRYSTAL REMOTE CONTROLLER for REVERSE CYCLE MODEL] INDOOR UNIT SIDE Symptom Possible causes Check points An error message is displayed on the remote controller indicator. Communication error Thermistor faulty (1) Remote controller self diagnosis check The system does not work at all. Power…

(1) Remote control self diagnosis

If EE:EE blinks on the time indicating LED of the remote controller, perform the self diagnosis. The LED indicates which air conditioner is faulty. If the operation indication lamp is lit, first press the START/STOP button to turn it to OFF. Then, excute the following procedure to display the error…

If the waveform does not match that shown in the above

figure, it may be due to failure of the following parts : IC6, R12, R13, D6, D7 or L4 2 Error code E1 Transmission and receiving errors between indoor unit and outdoor unit * Forward transmission error Use the oscilloscope to check the output waveform between terminals 1 and 3 of the terminal board.…

8 Error code E7

Short-circuit of the outdoor heat exchanger temperature sensor (a) Check the outdoor pipe temp. thermistor. 9 Error code EA Is 220/240V applied to both ends of the varistor (VA1) ? No The fuse has blown. Yes *Remove the connector from the power transformer to measure the resistance across the…

D3 is disconnected

(b) Remote controller power circuit Is there about 20V between terminal 3 and 4 of CN7 ? No The power transformer is faulty. Yes Is there about 20V across C10 ? No D4 is faulty or C10 is shortcircuited. Yes Is the output voltage of IC3 12V ? No IC3 may be faulty or D5 , C11 may be shortcircuited.…

OUTDOOR UNIT INSIDE

(11) An error message is displayed on the remote controller indicator. (Self diagnosis) There are three error codes about the outdoor unit to be displayed on the remote controller indicator as follows. 2 -1 If the waveform matches that shown in the following figure, the indoor unit is working…

ture thermistor is disconnected

If it is disconnected, replace the thermistor. (c) Microcomputer IC1 may be faulty. *Remove the connector from the power transformer to measure the resistance across the primary side of the transformer. Error code EB Is the resistance value infinite( ) ? No The power primary circuit is working…

Check K2, outdoor temperature thermistor, fan motor

capacitor, and relay. about 5V DC (19) Four-way valve circuit (The heating does not work.) 20 msec If the output waveform of pin 13 of the microcomputer does not match that shown in the above figure, Q2 may be faulty, R4 may be disconnected, or C10 may be shortcircuited. Is 5V output from pin 38 of…

ON

Three quick flashes repeated Note: Thermistor resistance values <Indoor unit side> 1) Room temperature thermistor OFF 5sec. Room temperature (C) Resistance value (k ) 3 28.7 5 25.9 8 22.3 10 20.1 15 15.8 20 12.5 25 10.0 29 8.4 31 7.7 33 7.0 36 6.2 40 5.3 44 4.5 (b) LED2 lamp error display High…

<Outdoor unit side>

3) Outdoor heat exchanger temperature thermistor Room temperature (C) Resistance value (k ) -8 24.4 -4 19.7 0 16.0 5 12.5 8 10.8 10 9.8 15 7.8 20 6.2 25 5.0 29 4.2 33 3.6 36 3.2 40 2.7 4) Discharge pipe temperature thermistor Pipe temperature ( C ) Resistance value (k ) Pipe temperature ( C )…

9.3 CARE AND MAINTENANCE

REMOVING / INSTALLING THE INTAKE GRILLE Removing the intake grille Installing the intake grille 1. Push the intake grille pushbuttons(two places) until you hear a “click”. Open the intake grille. .1. Tilt the intake grille 100° to 120° and hook the three hooks to the intake grille hook shaft. Hook…

10. OPTIONAL PARTS

10.1 WIRELESS REMORE CONTROL MODEL INDOOR UNIT ACCESSORIES Name and Shape Insulation(pipe) Remote controller holder Battery(R6P/LR6) Screw: For installing the remote controller holder GRILLE ACCESSORIES Part No. 9350716029 9352766015 1 each } Part No. Bolt 935006189001 Washer 301801155020 9304190004…

OUTDOOR UNIT ACCESSORIES

Part No. Name and Shape AO18 AO30 AO25 AO25(3) Power cap AO30 9352173011 Auxiliary pipe assembly Edge cover 9352436000 Tapping screws AO45(3) 9352173011 9352173011 9355292016 9355292016 9352436000 9352436000 301463040100 301463040100 301463040100 Binder 313035356905 313035356905 313035356905 Putty…

10.2 LIQUID CRYSTAL WIRED REMOTE CONTROL MODEL

INDOOR UNIT ACCESSORIES Name and Shape Insulation(pipe) Remote controller cord clamp Binder GRILLE ACCESSORIES Part No. 9350716029 9352766015 1 each } 313714181904 313035356905 (Large) Name and Shape Bolt Washer Spring washer Part No. 9356189001 301801155020 301821150218 313361275805 (Small) Screw…

OUTDOOR UNIT ACCESSORIES

Part No. Name and Shape AO18R AO25R AO36R(3) AO45R(3) 9352173011 9352173011 9355292016 9355292016 9352436000 9352436000 301463040100 301463040100 313035356905 313035356905 303020200114 303020200114 313005074759 313005074759 Power cap Auxiliary pipe assembly Edge cover Tapping screws Binder Putty…

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