Panasonic U-8MF1E8 Mode D'emploi page 22

7-2. Test Run Procedure
Recheck the items to check before the test run.
Have the outdoor sub units been connected?
YES
<Outdoor unit control PCB>
Unit No. setting switch Set the unit address.
(S007)
<Outdoor unit control PCB>
Set the No. of outdoor units.
Unit No. setting switch
(S006)
<Outdoor unit control PCB>
Unit No. setting switch Set the No. of indoor units.
(S004 and S005)
Are the inter-unit control wires
(Check the link wiring.)
connected to more than 1 refrigerant
system?
<Outdoor unit control PCB> YES
Unit No. setting switch
Set the system address.
(S002 and S003)
When multiple outdoor main units exist, disconnect the terminals extended
Refer to Fig. 7-4
from the shorted plugs (CN003) at all outdoor main unit PCBs except for 1.
Alternatively, move the sockets to the OPEN side.
Is it possible to turn ON the power only
for the 1 refrigerant system where the
test run will be performed?
NO
Will automatic address setting be
performed in Heating mode?
NO
YES
CASE 3B CASE 3A
Is it OK to start the compressors? Is it OK to start the compressors?
Turn ON the indoor and Turn ON the indoor and
outdoor unit power. outdoor unit power.
*2 *2
Short-circuit the automatic
Short-circuit the mode change pin
address pin (CN100) on the
(CN101) on the outdoor main unit
outdoor main unit PCB for
PCB. At the same time, short-circuit
1 second or longer, then
the automatic address pin (CN100) for
release it.
1 second or longer, then release it.
*3 *3
Start indoor and outdoor unit Start indoor and outdoor unit
cooling operation. heating operation.
LED 1 and 2 blink alternately. LED 1 and 2 blink alternately.
NO
Are LEDs 1 and 2 on the
outdoor unit PCB OFF?
YES
*4
NO
Is the solenoid valve kit in the
indoor unit shared?
Was the setting change for the
YES
*4 Refer to page 11
shared solenoid valve kit performed?
"Common solenoid
valve kit".
Check that test run preparation is OK.
(Do not allow the short-circuited pins to remain short-circuited.)
Set the wired remote controller for test run.
Refer to the remote
NO Check and make corrections according to
controller test-run Does system operate?
"Table of Self-Diagnostic Functions."
settings.
YES
Return remote control to normal mode
End test run.
SUPPLEMENT
Items to Check Before the Test Run
1. Turn the remote power switch on at least 5
hours before the test, in order to energize
the crank case heater.
NO
2. Turn the outdoor service valves (4 locations)
to the full-open positions.
●
Use caution when making the settings. If
*1
there are duplicated system addresses,
or if the settings for the Nos. of the indoor
units are not consistent, an alarm will
occur and the system will not start.
●
These settings are not made on the
indoor unit PCB.
*1 The unit with the unit No. set to 1 is the main unit.
All other units are sub units.
CASE 1
NO
Note:
It is not necessary to remove the
socket that is used to short-circuit
the terminal plugs from the outdoor
sub unit PCBs.
CASE 2
YES
Turn ON the indoor and
outdoor unit power for that
refrigerant system only.
Make necessary corrections.
Short-circuit the automatic address pin
(CN100) on the outdoor main unit PCB
for 1 second or longer, then release it.
Turn OFF the indoor and
outdoor unit power.
LED 1 and 2 blink alternately
(about 2 or 3 minutes).
Check the alarm contents.
NO
Are LEDs 1 and 2 on the
Make necessary
outdoor unit PCB OFF?
corrections
Refer to "Table of
Self-Diagnostic Functions and
YES
Description of Alarm Displays."
Turn OFF the indoor
and outdoor unit
Check the alarm
contents.
*2 A minimum of 5 hours must have passed
after the power was turned ON to the
outdoor unit.
*3 All indoor units operate in all refrigerant
systems where the power is ON.
NO
Make a setting change.
YES
YES
39
7-3. Main Outdoor Unit PCB Setting
CN100
CN101
CN003
Fig. 7-3
S002
S005
S004
S006 S007
S003
40
Fig. 7-4