Fujitsu 9363005011 Installation Manual

Page 1
– 1 –
This air conditioner uses new refrigerant HFC (R407C).
(1) For the air conditioner to operate satisfactorily, install it as outlined in this installa-
tion installation manual.
(2) Connect the indoor unit and outdoor unit with the air conditioner piping and cords
available standards parts. This installation installation manual describes the correct connections using the
(3) Installation work must be performed in accordance with national wiring standards
by authorized personnel only.
(4) If refrigerant leaks while work is being carried out, ventilate the area.
If the refrigerant comes in contact with a flame, it produces a toxic gas.
(5) Do not turn on the power until all installation work is complete.
• Be careful not to scratch the air conditioner when handling it.
• After installation, explain correct operation to the customer , using the operating manual.
• Let the customer keep this installation installation manual because it is used when the air conditioner is serviced or moved.
This mark indicates procedures which, if improperly performed, might lead to the death or serious injury of the user.
This mark indicates procedures which, if improperly performed, might possibly result in personal harm to the user, or damage to property.
WARNING!
CAUTION!
For authorized service personnel only.
CEILING SUSPENSION TYPE
SPLIT TYPE AIR CONDITIONER
(PART NO. 9363005011)
Refrigerant
R407C
INSTALLATION MANUAL
Page 2
– 2 –
[FOR HALF CONCEALED INSTALLATION]
Fig. 2
Fig. 3
(1) Do not install where there is the
danger of combustible gas leakage.
(2) Do not install the unit near a source
of heat, steam, or flammable gas.
(3) If children under 10 years old may
approach the unit, take preventive measures so that they cannot reach the unit.
Install at a place that can withstand the weight of the indoor and outdoor units and install positively so that the units will not topple or fall.
Decide the mounting position with the customer as follows:
INDOOR UNIT
(1) Install the indoor unit level on a strong wall which is
not subject to vibration.
(2) The inlet and outlet ports should not be obstructed :
the air should be able to blow all over the room.
(3) Do not install the unit where it will be exposed to
direct sunlight.
(4) Install the unit where connection to the outdoor unit
is easy.
(5) Install the unit where the drain pipe can be easily
installed.
(6) Take servicing, etc. into consideration and leave the
spaces shown in (Fig. 1 or 2). Also install the unit where the filter can be removed.
Fig. 1
0.4” (10 mm) or over
6” (150 mm) or over
INDOOR UNIT
Ceiling panel
3” (80 mm) or over
0.4” (10 mm) or over
Ceiling panel
6” (150 mm) or over
3” (80 mm) or over
INDOOR UNIT
Ceiling
Ceiling
Connection pipe
Connection cord 1.5 to 2.5 mm
2
(H07RN-F or equivalent)
Drain pipe VP25 (General polyvinyl chloride pipe)
45,000 / 36,000 30,000
BTU/h class BTU/h class Large ø19.05 mm ø15.88 mm Small ø9.53 mm ø9.53 mm
SELECTING THE MOUNTING POSITION
Page 3
Description Q’ty Application
STANDARD PARTS CONNECTION PIPE REQUIREMENT
The following installation parts are furnished. Use them as required.
1
1
2
Small
4
Large
4
4
4
1
1
1
2
1
Drain hose insulation
VT wire
Coupler heat insulator (large)
Nylon fastener
Special nut A (large flange)
Coupler heat insulator (small)
Adhesive type 70 x 230
For indoor side pipe joint (large pipe)
For fixing the coupler heat insulator
For installing indoor unit
For fixing the drain hose L 280 mm
For indoor side pipe joint (small pipe)
INDOOR UNIT ACCESSORIES
Special nut B (small flange)
For installing indoor unit
Installation template
For positioning the indoor unit
Auxiliary pipe assembly
For connecting the piping
Indoor capillary tube
(This part is
enclosed with the 30,000 and 36,000 BTU/h versions.)
BR sheet
65 x 130 x T5 (This part is
enclosed with the 30,000 and 36,000 BTU/h versions.)
Table 1
ELECTRICAL REQUIREMENT
Table 2
Diameter
2.5
1.5
MAX
MIN
Connection
cord (mm
2
)
45,000 / 36,000 BTU/h class
Small Large
9.53 mm 19.05 mm
30,000 BTU/h class
9.53 mm 15.88 mm
Use 0.7 mm to 1.2 mm thick pipe.
Use pipe with water-resistant heat insulation.
Use pipe that can withstand a pressure of 3,040 kPa.
Always use H07RN-F or equivalent as the connec­tion cord.
Install the disconnection device with a contact gap of at least 3 mm nearby the units. (Both indoor unit and outdoor unit)
– 3 –
Page 4
1.
PREPARING INDOOR UNIT INSTALLATION
2. INDOOR UNIT INSTALLATION
INSTALLATION PROCEDURE
REMOVE THE INTAKE GRILLE AND SIDE COVER.
(1) Remove the two Air filters (Fig.4). (2) Remove the two Intake grilles (Fig.4).
• For r Left rear drain and t Left drain: Remove air filters and intake grilles at three places. (Refer to "2. INDOOR UNIT INSTALLATION".)
(3) Remove the Side cover A (Right side) and Side
cover B (Right and Left side).
• For
t Left drain : Remove both the Side cover A
(Right and Left side). (Refer to "2. INDOOR UNIT INSTALLATION".)
(4) This air conditioner can be set up to intake fresh air.
For information about how to install for fresh-air intake, refer to "13. FRESH-AIR INTAKE".
Install the air conditioner as follows:
You can use the accessory template to help you install the indoor unit. The template helps you determine the appropriate locations for suspension bolts and pipe openings (drain pipe and connection cord).
Fig. 4
Tapping screw
Air filter
Intake grille
INDOOR UNIT
Side cover B (Left side)
Side cover A (Right side)
Fig. 5
Drilling position for Suspension bolt
Ceiling
Wall
Template
Drilling position for piping
Fig. 6
30 mm
Suspension bolt pitch 1,600 mm
30 mm
INDOOR UNIT (TOP VIEW)
Dimensions (Space Required for Installation)
[For Half-Concealed Installation]
• Suspension-bolt pitch should be as shown in Fig. 6.
Side cover B (Right side)
1. LOCATION OF CEILING SUSPENSION BOLTS
10 mm 155 mm
300 mm
INDOOR UNIT
Suspension bolt should extend out­ward 30 to 75 mm.
Fig. 7
40 mm
Ceiling Opening: 1,580 mm
40 mm
Ceiling panel
Ceiling Opening: 640 mm
15 mm
Ceiling panel
Suspension bolt should extend outward 30 to 50 mm.
INDOOR UNIT
[For r Left rear piping, t Left piping]
• Transfer the Drain cap and Drain cap seal.
Fig. 9
Drain cap seal
Drain cap
Indoor unit
Drain pan
Drain cap seal
Drain cap
Push cap all the way on (as far as it will go).
2. SELECT PIPING DIRECTION
Select connection piping and drain piping directions. (Fig.8)
Fig. 8
t Left piping
t (Drain pipe only)
r Left rear piping
r (Drain pipe only)
w Top piping
w (Connection pipe only)
q Right rear piping
INDOOR UNIT (TOP VIEW)
e Right
w piping
Cut off the piping outlet cutting groove with a hacksaw, etc.
– 4 –
Page 5
– 5 –
4. INSTALLING THE INDOOR UNIT
(1) Lift unit so that suspension bolts pass through the
suspension fittings at the sides (four places), and slide the unit back. (See Fig. 13.)
(2) Fasten the indoor unit into place by tightening-up
the special “B” bolts and the M10 nuts. Make sure that unit is secure and will not shift back and forth.
In order to check the drainage, be sure to check a level during installation of the indoor unit. If the installation site of the indoor unit is not level, water leakage may occur .
Fig. 11
Ceiling
M10 Anchor Bolt (Obtained locally)
Special nut B (Included)
M10 Nut (Obtained locally)
10 to 15 mm
Fig. 14
Glass wool insulate (10 to 20 mm thick)
Wall
Ceiling panel
Fig. 13
Ceiling panel
Wall
Fig. 12
Ceiling
Wall
[If using anchor bolts]
(1) Drill holes for anchor bolts at the locations at which
you will set the suspension bolts. Note that anchor bolts are M10 bolts (to be obtained locally).
(2) Install the anchor bolts, then temporarily attach spe-
cial nut “B” (included) and a locally-procured M10 nut to each of the bolts. (See Fig. 11.)
[For Half-Concealed Installation]
When installing the indoor unit in a semi-concealed shape, make sure to reinforce the insulation of the unit on all sides. Drops of water may fall from the unit if it is not thoroughly insulated.
Anchor-Bolt Strength 980 to 1,470 N (100 to 150 kgf)
INDOOR UNIT (Top view)
INDOOR UNIT
Fig. 10
Ceiling panel
10 to 15 mm
Special nut A (Included)
Special nut B (Included)
M10 Nut (Obtained locally)
3. DRILLING THE HOLES AND ATTACHING THE SUSPENSION BOLTS
(1) Drill ø25mm holes at the suspension-bolt locations. (2) Install the bolts, then temporarily attach Special nuts
A and B and a normal M10 nut to each bolt. (The two special nuts are provided with the unit. The M10 nut must be obtained locally.) Refer to Fig. 10.
Bolt Strength 980 to 1,470 N (100 to 150 kgf)
Page 6
– 6 –
1. FLARE PROCESSING
(1) Cut the connection pipe with pipe cutters so that the
pipe is not deformed.
(2) Hold the pipe downwards 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 the pipe, and flare with a flaring tool.
(4) Check if the flared part “L” (Fig. 15) is spread uni-
formly and that there are no cracks.
3. CONNECTING THE PIPING
Pipe Flare nut
Small pipe
Small (width across flats 22 mm)
(9.53 mm dia)
Large pipe
Large (width across flats 24 mm)
(15.88 mm dia) Large pipe
Large (width across flats 36 mm)
(19.05 mm dia)
Table 3
L
Fig. 15
Width across flats
L dimension
Small pipe (9.53 mm dia)
1.8 to 2.0 mm
Large pipe (15.88 mm dia)
2.2 to 2.4 mm
Large pipe (19.05 mm dia)
2.6 to 3.0 mm
2. BENDING PIPES
The pipes are shaped by your hands. Be careful not to collapse them.
Do not bend the pipes in an angle more than 90°. When pipes are repeatedly bent or stretched, the
material will harden, making it difficult to bend or stretch them any more. Do not bend or stretch the pipes more than three times.
When bending the pipe, do not bend it as is. The pipe will be collapsed. In this case, cut the heat insulating pipe with a sharp cutter as shown in Fig. 17, and bend it after exposing the pipe. After bending the pipe as you want, be sure to put the heat insulating pipe back on the pipe, and secure it with tape.
Fig. 17
Pipe
Heat insulating pipe
Cutter
Cut line
Fig. 16
Extend the pipe by unwinding it.
OK
NO
3. CONNECTION PIPES
(1) Remove the filter guide (Fig. 18).
Fig. 18
Indoor unit
Filter guide
(2) Attach the connection pipe (Fig. 19).
Fig. 19
Indoor unit
Large pipe
Small pipe
• For w Top piping and e Right piping connections, use the Auxiliary pipe (large pipe) provided.
Fig. 20
Large pipe
e Right piping
w Top piping
Large pipe
Indoor unit (rear)
Auxiliary pipe (large pipe)
Be sure to apply 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.
(1) Do not use mineral oil on flared part.
Prevent mineral oil from getting into the system as this would reduce the lifetime of the units.
(2)
Never use piping which has been used for previous installations. Only use parts which are delivered with the unit.
(3)
While welding the pipes, be sure to blow dry nitrogen gas through them.
Page 7
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4. CONNECTING AN INDOOR CAPILLARY TUBE
These instructions refer to the 30,000 and 36,000 BTU/h versions.
Installation Procedure (1) Braze each part (connection pipe, indoor capillary
tube, and branch liquid pipe) as shown in Fig. 22.
(2) Wrap the two BR sheets around the indoor capillary
tube as shown in Fig. 23.
(3) Cover the indoor capillary tube and the branch liq-
uid pipe with insulation (Fig. 24) and affix the insula­tion with tape.
(4) Secure the insulation using the binders (Fig. 25).
• If the joint pipe must be installed, refer to the instal­lation installation manual for the outdoor unit for details.
Fig. 21
Body side
Holding wrench
90°
Torque wrench
Fig. 22
Connection pipe
Connection pipe
Branch liquid pipe
Indoor unit side
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. 21).
Hold the torque wrench at its grip, keeping it in the right angle with the pipe as shown in Fig. 21, in order to tighten the flare nut correctly.
Pipe Tightening torque
Small pipe (9.53 mm dia)
310 to 350 kgf • cm (30.4 to 34.3 N • m)
L
arge pipe (15.88 mm dia)
750 to 800 kgf • cm (73.5 to 78.4 N • m)
Large pipe (19.05 mm dia)
800 to 1,000 kgf • cm
(78.4 to 98 N • m)
Table 4 : Flare nut tightening torque
Indoor unit side
Outdoor unit side
Indoor capillary tube
Indoor capil­lary tube
Brazing (all around)
Fig. 23
BR sheet
Connection pipe
Branch liquid pipe
Indoor capillary tube
Fig. 24
Tape
Tape
Fig. 25
Binder
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.
Secure both ends of the heat insulation material using nylon fasteners.
• When using an auxiliary pipe, make sure that the fastener used is insulated in the same way.
4.
INSTALLING THE COUPLER HEAT INSULATION
Fig. 26
No gap
Coupler heat insulation
Nylon fastener (small)
Nylon fastener (large)
Indoor unit
Coupler heat insulation (small)
Connection pipe (small)
Connection pipe (large)
Coupler heat insulation (large)
Indoor unit
Page 8
– 8 –
6.
HOW TO CONNECT WIRING TO THE TERMINALS
Fig. 31
Solid wire Strand wire
Loop
Insulation
Strip 15/16”
(25 mm)
Strip 3/8”
(10 mm)
Screw with special washer
1. IF ONE WIRE IS CONNECTED TO ONE TERMINAL BLOCK
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) Using pliers, bend the solid wire to form a loop
suitable for the terminal screw.
(4) Shape the loop wire properly, place it on the ter-
minal board and tighten securely with the termi­nal screw using a screwdriver.
2. IF TWO WIRES ARE CONNECTED TO ONE TERMINAL BLOCK.
A.As a rule, round terminal should be used
to connect to the terminal block.
(1) Cut the wire end with a wire cutter or wire-
cutting pliers, then strip the insulation to about 3/8” (10 mm) to expose the strand wiring.
(2) Using a screwdriver, remove the terminal
screw(s) on the terminal board.
(3) Using a round terminal fastener or pliers, secure-
ly clamp a round terminal to each stripped wire end.
(4) Position the round terminal wire, and replace
and tighten the terminal screw using a screw­driver.
B.For strand wiring
(1) Cut the wire end with a wire cutter or wire-
cutting pliers, then strip the insulation to about 3/8” (10 mm) to expose the strand wiring.
(2) Using a screwdriver, remove the terminal
screw(s) on the terminal board.
(3) Using a round terminal fastener or pliers, secure-
ly clamp a round terminal to each stripped wire end.
(4) Position the round terminal wire, and replace
and tighten the terminal screw using a screw-dri­ver.
Round terminal
Terminal board
Round terminal
Screw with special washer
Round terminal
Wire
Wire
Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises or traps in the pipe.
• Use general hard polyvinyl chloride pipe (VP25) [outside diameter 38 mm].
• During installation of the drain pipe, be careful to avoid applying pressure to the drain port of the indoor unit.
• When the pipe is long, install supporters (Fig. 27).
• Do not perform air bleeding.
• Always heat insulate (8 mm or over thick) the indoor side of the drain pipe.
(1) Install insulation for the drain pipe ( See Figs. 28 and
29). Cut the included insulation material to an appropri-
ate size and adhere it to the pipe.
(2) If "q Right rear piping": fasten the drain pipe with
VT wire so that the pipe slopes correctly within the indoor unit (Fig. 30).
5. DRAIN PIPING
Fig. 27
Drain pipe
Arrange the drain pipe lower than this position.
GOOD
Lifted up
BAD
BAD
Wave
End in water
Supporter
5 to 6.5 ft (1.5 to 2 m)
Fig. 28
Drain pipe
Insulation for Drain pipe (To be obtained locally.
Length should be at least 8 mm.)
Indoor unit (drain port)
Drain pipe insulation (accessories)
Fig. 29
Indoor unit
No gap
Drain pipe insulation
Drain pipe
10 mm or over
Fig. 30
VT wire
Drain hose
Indoor unit (rear view)
Terminal block
Page 9
– 9 –
7. ELECTRICAL WIRING
(1) Remove the two tapping screws and pull the control
box downward (Fig. 35).
(2) Remove the cover A and install the connection cord
(Fig.36).
(3) After wiring is complete, clamp the connection cord
with the cord clamp (Fig.37).
(4) Reattach cover A. Then fasten the control box back
into its original position using the two tapping screws.
(5) Attach the connection cord and cable clips. Make
sure that they are positioned so that they will not interfere with opening and closing of the intake grille or with removal and installation of the air fil­ters (Fig. 37).
Fig. 35
Indoor unit
Tapping screw
Control box
B.If round terminal cannot be used, the fol-
lowing items should be followed. 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 1/2” (12.7 mm) to expose the solid wire.
(2) Using a screwdriver, remove the terminal
screw(s) on the terminal board.
(3) Wires with the same diameter should be con-
nected on both sides as shown in Fig. 33. Since connecting wires with different diameters causes the wires to heat up due to loose connections, this method should not be used.
HOW TO FIX THE CONNECTION CORD
After passing the connection cord through the insulation tube, fasten it with the cord clamp.
Use VW-1, 0.5 to 1.0 mm thick, PVC tube as the insulation tube.
Fig. 34
Insulation tube
Insulation tube
Cord clamp
Fig. 36
Cover A
Control box
(1) Before starting work, check that
power is not being supplied to the indoor unit.
(2) Match the terminal board numbers
and connection cord colors with those of the indoor unit. Erroneous wiring may cause burning of the electric parts.
(3) Connect the connection cord firmly
to the terminal board. Imperfect installation may cause a fire.
(4) Always fasten the outside covering
of the connection cord with the cord clamp. (If the insulation is chafed, electric leakage may occur.)
(5) Always connect the ground wire.
Fig. 32
Strip 3/8”
(10 mm)
Screw with special washer
Round terminal
Terminal board
Round terminal
Screw with special washer
Round terminal
Wire
Wire
Terminal block
Strand wire
Fig. 33
Strip 1/2”
(12.7 mm)
Screw with special washer
Round terminal
Terminal board
Round terminal
Screw with special washer
Insulation
Wire
Wire
Terminal block
Solid wire
Page 10
1. MODEL SELECT SWITCH
123 123
OUTDOOR
UNIT
REMOTE
CONTROL
Fig. 37
Control box
Connection cord
Terminal board
Earth screw
Cord clamp
Remote con­troller cord
Remote con­troller cord
Connection cord
Cable clip
– 10 –
CONNECTION CORD A. Simultaneous operation for buildings
Remote controller
Indoor unit
Outdoor unit
MasterRSlave Slave Slave
qwe
qwe qwe qwe qwe
qwe qweqweqwe
qwe
STNE
The Earth wire is omitted.
Fig. 38
1
O
F
F
2
3
FAN
SW4
Fig. 42
B. Individual operation for buildings
Remote controller
Indoor unit
Outdoor unit
Master Master
A
Slave
qweBqwe
qwe
qwe qwe
qwe
qwe
Remote controller
qwe
qwe qwe
The Earth wire is omitted.
Fig. 41
(1) Connect a maximum of 2 wires on a
single terminal block. (If 3 or more wires are connected, they could become loose and cause heating.)
(2) Crossovers as in (q should not be
connected when connecting wires between the master unit and slave units, and from slave unit to slave unit. (The system will not operate correctly.)
Indoor unit
Outdoor unit
Master
R
Slave Slave Slave
qwe
qwe
qwe qwe qwe
STNE
BAD
Fig. 39
Indoor unit
Outdoor unit
MasterRSlave Slave Slave
qwe
qwe
qwe qwe qwe
STNE
BAD BAD BAD
Fig. 40
8. PRINTED CIRCUIT BOARD SETTING
Indoor unit Printed circuit board
2. MASTER/SLAVE SELECT SWITCH
0
SW2
Fig. 43
Indoor unit Printed circuit board
• SW4, mounted on the circuit board, should be checked.
Table 5 : Switch Setting
SW4
45,000 BTU/h class
1 2 3
Model Name
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
OFF
36,000 BTU/h class
30,000 BTU/h class
Connection cord
Page 11
– 11 –
• For the master unit, set SW2 on ”0”. For a slave unit, set SW2 on ”1~3”.
• A master unit is an indoor unit with the power line connected directly from the outdoor unit.
Indoor unit
SW20123
Outdoor unit
MasterRSlave Slave Slave
qwe
qwe qwe qwe qwe
qwe qwe qwe qwe
STNE
Fig. 44 [Example]
Fig. 46
9. FINISHING
(1) Install the filter guide. (2) Install the intake grilles. (3) Install side covers A and B (if the unit is installed in a
half-concealed orientation, only install side cover A).
(4) Install the air filters.
10. CUSTOMER GUIDANCE
Explain the following to the customer in accordance with the operating manual:
(1) Starting and stopping method, operation switching,
temperature adjustment, timer, air flow adjustment, and other remote controller operations.
(2) Air filter removal and cleaning. (3) Give the operating and installation manuals to the
customer.
11. REMOTE CONTROLLER INSTALLATION
• 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.
(1) When remote controller exposed
1) Make a notch in the thin part ( part of Fig. 45) at
the remote controller case top and bottom with nippers, file, etc.
2) Connect the remote controller cord to the remote
controller terminal board specified in (Fig. 46).
3) Clamp the remote controller cord sheath with the
binder (small) as shown in Fig. 46.
4) Cut off the excess binder.
(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. 47).
3) Connect the remote controller cord to the remote controller terminal board specified in (Fig. 46).
• After wiring work is complete, return the remote controller case top to its original state.
°C
NON STOP
CLOCK
TEMP
AUTO
TIMER MODE
SET
START/STOP
CLOCK ADJUST
SET TIME TEMP./DAY FAN
CONTROL
MASTER
CONTROL
21
HIGH
COOL
DEFROST TEST
DAY OFF
Fig. 45
Remote controller terminal board
Black
Red
White
Remote con­troller cord
Binder (small)
Fig. 47 [Example]
Remote controller case bottom
Remote controller cord
Remote controller case top
(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 con-
troller and cord near a source of electromagnetic waves, separate the remote controller from the source of the electromagnetic waves and use shielded cord.
(3) Do not touch the remote controller
PC board and PC board parts directly with your hands.
Page 12
12. TEST RUNNING
REMOTE CONTROLLER
• Supply power to the crankcase heater 12 hours before the start of operation in the winter.
• For test running, when the remote controller FAN CONTROL button and MASTER CONTROL button are pressed simultaneously for more than three sec­onds when the air conditioner is not running, the air conditioner starts and TEST is displayed on the remote controller display.
However, the SET TEMP. setting button does not function, but all other buttons, displays, and protec­tion functions operate (Fig. 48).
• 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.
• When EE : EE blinks at the current time display, there is an error inside the air conditioner. If the SET TIME button ( ) and SET TEMP./DAY 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. 49) When the operation lamp lights, press the START/STOP button and after operation lamp goes off, perform the same operation. (Fig. 49) Process the error contents by referring to (Table 6).
°C
NON STOP
CLOCK
TEMP
AUTO
TIMER MODE
SET
START/STOP
CLOCK ADJUST
SET TIME TEMP./DAY FAN
CONTROL
MASTER CONTROL
21
HIGH
COOL
DEFROST TEST
DAY OFF
Fig. 48
°C
NON STOP
CLOCK
TEMP
AUTO
TIMER MODE
SET
START/STOP
CLOCK ADJUST
SET TIME TEMP./DAY FAN
CONTROL
MASTER
CONTROL
21
HIGH
COOL
DEFROST
DAY OFF
AUTO
TIMER MODE
SET
START/STOP
CLOCK ADJUST
SET TIME TEMP./DAY FAN
CONTROL
MASTER
CONTROL
21
DAY OFF
Fig. 49
– 12 –
Table 6
Stop operation
Page 13
13. FRESH-AIR INTAKE 14. A ERROR DISPLAY
(1) When removing the cabinet (iron
plate), be careful not to damage the indoor unit internal parts and sur­rounding area (outer case).
(2) When processing the cabinet (iron
plate), be careful not to injure your­self with burrs, etc.
(1) Open up the knockout hole for the fresh-air intake,
as shown in Fig. 50. (If using half-concealed installa­tion, open up the top knockout hole instead.)
Operation can be checked by lighting and flashing of the display section OPERATION, TIMER and VERTICAL SWING lamps.
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, TIMER and VERTICAL SWING lamps flash slowly at the same time.
• Error
The OPERATION, TIMER and VERTICAL SWING lamps operate as follows (Table 7) according to the error contents.
(2) Fasten the round flange (optional) to the fresh-air
intake, as shown in Fig. 51. (If using half-concealed installation, attach to the top.)
(3) Connect the duct to the round flange. (4) Seal with a band and vinyl tape, etc. so that air does
not leak from the connection.
Fig. 50
– 13 –
Table 7
Error display
OPERATION
lamp
TIMER
lamp
VERTICAL
SWING lamp
Error contents
Model information abnormal (permanent type)
Drain abnormal (permanent type)
Indoor fan abnormal
Room air temperature thermistor open circuited
Room air temperature thermistor shortcircuited
Piping thermistor open circuited
Piping thermistor short­circuited
Serial communications abnormal
Reverse phase wire connection abnormal
Outdoor heat exchange thermistor open circuited
Outdoor heat exchange thermistor shortcircuited
Low pressure abnormal
Outdoor discharge thermistor open circuited
Outdoor discharge thermistor shortcircuited
Discharge temperature abnormal
Outdoor air temperature thermistor open circuited
Outdoor air temperature thermistor shortcircuited
Goes off
Goes off
Goes off
Goes off
Blinks
Goes off
Blinks
Goes off
Goes off
Goes off
Blinks
Goes off
Goes off
Blinks
Goes off
Goes off
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
Pulses 2 times
Pulses 3 times
Pulses 6 times
Pulses 5 times
Pulses 7 times
Pulses 4 times
Blinks
Pulses 4 times
Pulses 6 times
Pulses 2 times
Pulses 3 times
Pulses 5 times
Blinks
Blinks
Blinks
Blinks
Blinks
Blinks
For half concealed installation
Indoor unit
SWING SWING TIMER
OPERATION
MANUAL
AUTO
Fig. 53
OPERATION lamp (Red)
TIMER lamp (Green)
Fig. 51
Round duct (option parts)
Fig. 52
Duct
[After completing “2. INDOOR UNIT INSTALLATION”...]
VERTICAL SWING lamp (Orange)
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