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Installing the grille assembly to the body

Install the grille assembly to the body with the four bolts and washers.

(1) Lightly tighten the bolts shown in “B” of Fig. 15. Hang the panel.
(2) Tighten the other bolts.
(3) Tighten all bolts securely.
(4) Connect the connector in accordance with part A detail view. (Fig. 16)

Fig. 15

Fig. 16

Part A detail view

No gap between ceiling and
grille around entire periphery.

3. INSTALLING/REMOVING THE INTAKE GRILLE

INSTALLING THE INTAKE GRILLE

(1) Fully insert the intake grille hooks into the rectangular holes in the panel. (Fig. 17)
(2) Close the intake grille, then slide the two grille stoppers outward. (Fig. 18)

Fig. 17

Fig. 18

Washer

Bolt

Display PCB
wire harness

Wire (Louver)

Display PCB wire harness

Joint wire
(Louver)

Panel

Rectangular hole

A

B

Intake grille

Grille hook

Grille stopper

Summary of Contents for 9370083002

Page 1: ... contact with a flame it produces a toxic gas 5 Do not turn on the power until all installation work is complete 6 When installing or moving the air conditioner use care not to charge it with the wrong refrigerant such as R407C or R22 CAUTION Observe the following precautions when using R407C refrigerant Do not use mineral oil on flared part Prevent mineral oil from getting into the system as this...

Page 2: ...where drainage can be extracted outdoors easily Fig 1 Strong and durable ceiling 250 mm 9 3 8 or more 1 000 mm 39 or more Obstruction Service space 1 000 mm 39 or more WARNING 1 Never install in a room where there is the poten tial of leaking flammable gas A spark could ig nite the gas and cause an explosion or fire 2 Avoid installing in a location with high tempera ture Fig 2 100 mm 4 or more 100...

Page 3: ...double nut firmly The product may fall if not installed properly 2 Using a level or vinyl hose filled with water fine adjust so that the body is level Max 400 mm 15 Rise Trap Supporter 1 5 to 2 m 5 to 6 5 ft Air bleeding 150 mm 6 or less 2 INSTALLING DRAIN PIPE CAUTION Install the drain pipe in accordance with the instructions in this installation instruction sheet and keep the area warm enough to...

Page 4: ...6 45 54 60 ø19 05 1 0 ø9 53 0 8 thickness Capacity The number displayed on the model name for the indoor and outdoor units Use pipe with water resistant heat insulation The discharge gas pipe is only connected on heat recovery models 4 CONNECTING THE PIPING 1 FLARE PROCESSING 1 Cut the connection pipe with pipe cutters so that the pipe is not deformed 2 Holding the pipe downwards so that cuttings ...

Page 5: ...pply the pipe against the port on the indoor unit correctly If the centering is improper the flare nut cannot be tightened smoothly If the flare nut is forced to turn the threads will be damaged 2 Do not remove the flare nut from the indoor unit pipe until immediately before connecting the connection pipe 3 Hold the torque wrench at its grip keeping it in the right angle with the pipe as shown in ...

Page 6: ...e covering of the connection cord with the cord clamp If the insulator is chafed electric leakage may occur 4 Always connect the ground wire Remove the control box cover and install the connection cord Figs 10 and 11 Fig 10 TRANS MISSION POWER SUPPLY TOREMORTECONTROLUNIT When the two wires are attached Screw with special washer Round terminal Terminal board Wire Terminal block For solid wire only ...

Page 7: ...ely 5 Install a leakage circuit breaker in accordance with the related laws and regulations and electric company standards 6 Never connect other electrical equipment to the power supply for this system CAUTION 1 Use care to wire properly Miss wiring will result in damage 2 Never bundle the power supply cord transmission cord and remote controller cord together Bundling these cords together will ca...

Page 8: ... Setting circuit Switch Setting circuit Switch Setting circuit Switch Setting address INDOOR UNIT address INDOOR UNIT address INDOOR UNIT address INDOOR UNIT address INDOOR UNIT SW8 SW7 SW8 SW7 SW8 SW7 SW8 SW7 SW8 SW7 0 0 0 20 1 4 40 2 8 60 3 12 80 5 0 1 0 1 21 1 5 41 2 9 61 3 13 81 5 1 2 0 2 22 1 6 42 2 10 62 3 14 82 5 2 3 0 3 23 1 7 43 2 11 63 3 15 83 5 3 4 0 4 24 1 8 44 2 12 64 4 0 84 5 4 5 0 5...

Page 9: ...ote controller 4 Model select switch SW4 should be checked Table 8 Capacity 18 14 12 9 7 SW4 1 OFF ON OFF ON OFF SW4 2 OFF ON ON OFF OFF SW4 3 ON OFF OFF OFF OFF SW4 4 OFF OFF OFF OFF OFF CAUTION Do not set any switches other than those specified in this sheet The air conditioner may not operate correctly if any switches other than those specified are changed R SW9 0 R SW9 1 R SW9 2 R SW9 3 Indoor...

Page 10: ...as the criteria Fig 13 2 INSTALLING GRILLE ASSEMBLY TO BODY Hang the grille assembly on the wires attached to the indoor unit as shown in Fig 14 Fig 14 3 direction Fit the blower cover insulation Blower cover insulation A A Section view Wire Wire hook Motor cover assembly Wire Wire hook Example Wire hook CAUTION Do not install the blower cover insulation at the diffuser position on pipe side Do no...

Page 11: ... Fig 16 Fig 15 Fig 16 Part A detail view No gap between ceiling and grille around entire periphery 3 INSTALLING REMOVING THE INTAKE GRILLE INSTALLING THE INTAKE GRILLE 1 Fully insert the intake grille hooks into the rectangular holes in the panel Fig 17 2 Close the intake grille then slide the two grille stoppers outward Fig 18 Fig 17 Fig 18 Washer Bolt Display PCB wire harness Wire Louver Display...

Page 12: ...Open the intake grille so that it is at an angle of 20 to 40 then remove the grille Fig 19 Grille hook CAUTION 1 The louver angle cannot be changed if the power is not on If moved by hand it may be damaged 2 The grille assembly is directional relative to the air conditioner body 3 Install so that there is no gap between the grille assembly and the air conditioner body ...

Page 13: ...20 Fig 20 To stop test running press the START STOP button For the operation method refer to the operating manual and perform operation check Check that there are no abnormal sounds or vibration sounds during test running MASTER CONTROL FAN CONTROL TIMER MODE TEMP DAY SET TIME CLOCK ADJUST START STOP SET DAY OFF ZONE ENERGY SAVE COOL FAN DRY HEAT AUTO AUTO CLOCK OFF OFF ON ON C F NEXT DAY DAY TIME...

Page 14: ... button Fig 22 11 AN ERROR DISPLAY 1 Run the air conditioner in accordance with the operating manual 2 Operation can be checked by lighting and flashing of the grille display section OPERATION and TIMER lamps 3 Perform judgment in accordance with the following Test running When the air conditioner is run by pressing the remote controller test run button the OPERATION and TIMER lamps flash slowly a...

Page 15: ...nication error Indoor unit remote controller Microcomputer error Indoor unit fan error Blower temperature thermistor error Outdoor unit error EEPOM access error EEPROM deletion error Transmission error Node setting error Parallel communication error Room temperature abnormal Error display TIMER lamp Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Blinks Pulses 3times Pulses 4...

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