English
14
11. INSTALLATION OF CORNER COVER
AND AIR INTAKE GRILLE
• Attach the corner covers to the unit and lock in place by
screw. (The screws are taped to the corner covers.)
• For upward or rightward running pipes, cut the corner covers
as shown at Fig. 36 before attaching them.
(Refer to Fig. 36)
• Attach the air intake grille.
• Hook the strings to the unit to prevent the grille from drop-
ping.
(Refer to Fig. 37)
12. TEST OPERATION
Refer to the section of “FOR THE FOLLOWING ITEMS,
TAKE SPECIAL CARE DURING CONSTRUCTION AND
CHECK AFTER INSTALLATION IS FINISHED”.
• After finishing the construction of refrigerant piping, drain
piping, and electric wiring, conduct test operation accord-
ingly to protect the unit.
12-1 HOW TO TEST OPERATION
1. Open the gas side stop valve.
2. Open the liquid side stop valve.
3. Electrify crank case heater for 6 hours (Not required in
case of a unit exclusively designed for cooling only).
4. Set to cooling operation with the remote controller and
start operation by pushing ON/OFF button (
).
5. Press INSPECTION/TEST OPERATION button (
) 4
times (2 times for wireless remote controller) and operate
at Test Operation mode for 3 minutes.
6. Push AIR FLOW DIRECTION ADJUST button (
) to
make sure the unit is in operation.
7. Press INSPECTION/TEST OPERATION button (
) and
operate normally.
8. Confirm function of unit according to the operation man-
ual.
PRECAUTIONS
• Refer to the diagnoses below if the unit does not oper-
ate properly.
• Conduct test operation after installing AIR INTAKE
GRILLE if the wireless remote controller is used.
• After completing the test run, press the INSPECTION/
TEST OPERATION button once to put the unit in
inspection mode, and make sure the malfunction code
is “00” (=normal).
If the code reads anything other than “00”, refer to the
malfunction diagnoses below.
12-2 HOW TO DIAGNOSE FOR PROBLEMS
With the power on. Troubles can be monitored on the
remote controller or the LED’s on the PC board of the
indoor unit.
Trouble shooting with the display on the liquid crystal
display remote controller.
1
With the wired remote controller. (NOTE 1)
When the operation stops due to trouble, operation lamp
flashed, and “
” and the error code are indicated on
the liquid crystal display. In such a case, diagnose the
fault contents by referning to the table on the Error code
list it case of group control, the unit No. is displayed so
that the indoor unit no with the trouble can be recog-
nized. (NOTE 2)
2
With the wireless remote controller.
(Refer also to the operation manual attached to the wire-
less remote controller)
When the operation stops due to trouble. the display on
the indoor unit flashes. In such a case, diagnose the fault
contents with the table on the Error code list looking for
the error code which can be found by following proce-
dures. (NOTE 2)
(1)
Press the INSPECTION /TEST OPERATION button,
“
” is displayed and “ 0 ” flashes.
(2)
Press the PROGRAMMING TIME button and find the
unit No. which stopped due to trouble.
Number of beeps
3 short beeps ........ Perform all the following operations
1 short beep..........Perform (3) and (6)
1 long beep ...........No trouble
(3)
Press the OPERATION MODE SELECTOR button
and upper figure of the error code flashes.
(4)
Continue pressing the PROGRAMMING TIME button
unit it makes 2 short beeps and find the upper code.
(5)
Press the OPERATION MODE SELECTOR button
and lower figure of the error code flashes.
(6)
Continue pressing the PROGRAMMING TIME button
unit it makes a long beep and find the lower code.
y
A long beep indicate the error code.
Trouble shooting with the LEDs on the PC board
(Refer to Table 11)
The following checking can be made with the service
monitor LEDs (green). (Normal when flashing)
: LED on
Q
: LED off
: LED flashing
—
: Not used for trouble shooting
Table 11
NOTE
1
In case wired remote controller. Press the INSPECTION
/TEST OPERATION button on remote controller, “
”
starts flashing.
Pipe hole area
Cut with saw, etc
Pipe hole area
Cut with saw, etc
For rear running pipes
Fig. 36
For rightward running pipes
Fig. 37
TEST
TEST
Microcomputer
normal monitor
Transmission
normal monitor
Details
HAP(H1P)
HBP(H2P)
Indoor unit is normal
→
Diagnose
the outdoor unit
Miswiring between the indoor and
outdoor units
Q
If the outdoor unit HAP(H1P) does
not light, diagnose the outdoor unit.
If it is flashed, it is due to either
miswiring or malfunction of the
indoor or outdoor unit PC board
assembly.
(NOTE 4)
—
Malfunction of the indoor unit PC
board (NOTE 5)
Q
Abnormal power supply, malfunc-
tion of PC board assembly or dis-
connection between the indoor and
outdoor units (NOTE 5)
01_EN_3P249378-5G.fm Page 14 Friday, January 20, 2012 2:01 PM
