Panasonic U-72MF1U9, Руководство по обслуживанию

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1 - 3
Test Run
1
2
3
4
5
6
7
8
1. Test Run
YES
Make necessary corrections.
Check the alarm
contents.
Check the alarm contents.
Turn OFF the indoor and
outdoor unit power.
NO
YES
NO
*1
*2
*3 *3
*2
CASE 1
CASE 2
CASE 3B CASE 3A
YES
YES
NO
YES
NO
NO
NO
YES
YES
NO
Recheck the items to check before the test run.
Have the outdoor sub units been connected?
Are the inter-unit control wires
connected to more than 1 refrigerant
system?
Is it possible to turn ON the power only
for the 1 refrigerant system where the
test run will be performed?
Will automatic address setting be
performed in Heating mode?
Is it OK to start the compressors?
Turn ON the indoor and
outdoor unit power.
Short-circuit the mode change pin
(CN101) on the outdoor main unit PCB.
At the same time, short-circuit the
automatic address pin (CN100) for 1
second or longer, then release it.
Short-circuit the automatic address
pin (CN100) on the outdoor main
unit PCB for 1 second or longer,
then release it.
Short-circuit the automatic address pin (CN100)
on the outdoor main unit PCB for 1 second or
longer, then release it.
Start indoor and outdoor unit
cooling operation.
LED 1 and 2 blink alternately.
Start indoor and outdoor unit
heating operation.
LED 1 and 2 blink alternately.
LED 1 and 2 blink alternately
(about 2 or 3 minutes).
Is it OK to start the compressors?
Turn ON the indoor and
outdoor unit power.
Turn OFF the indoor
and outdoor unit
Turn ON the indoor and
outdoor unit power for that
refrigerant system only.
Are LED 1 and 2 on the
outdoor unit PCB OFF?
Are LED 1 and 2 on the
outdoor unit PCB OFF?
Set the unit address.
Set the No. of outdoor units.
Set the No. of indoor units.
Set the system address.
When multiple outdoor main units exist, disconnect the terminals
extended from the shorted plugs (CN003) at all outdoor main unit
PCBs except for 1.
Alternatively, move the sockets to the OPEN side.
<Outdoor unit control PCB>
Unit No. setting switch
(S007)
<Outdoor unit control PCB>
Unit No. setting switch
(S006)
<Outdoor unit control PCB>
Unit No. setting switch
(S004 and S005)
<Outdoor unit control PCB>
Unit No. setting switch
(S002 and S003)
(Check the link wiring.)
*1
The unit with the unit
No. set to 1 is the
main unit. All other
units are sub units.
Note: It is not necessary to remove
the socket that is used to short-
circuit the terminal plugs from
the outdoor sub unit PCBs.
Refer to "Table of Self-
Diagnostic Functions and
Description of Alarm Displays."
*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.
Check that test run preparation is OK.
(Do not allow the short-circuited pins to remain short-circuited.)
Refer to the remote
controller test-run
settings.
Set the wired remote controller for test run.
Does system operate?
Return remote control to normal mode
Check and make corrections according to
"Table of Self-Diagnostic Functions."
End test run.
Make necessary
corrections
1-2. Test Run Procedure
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 crankcase heater.
2. After performing the leak inspection, applying vacuum, and per-
forming refrigerant charge for the tubing which is connected on-
site, fully open the outdoor unit service valve. However if only one
outdoor unit is installed, a balance tube is not used. Therefore,
leave the valve fully closed.
3. When replacing the control PCB, be sure that the settings on the
new PCB match those on the old PCB.
4. Use caution when making the settings. If 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.
5. These settings are not made on the indoor unit PCB.
SM830202-00̲3WAY VRF.indb 3 SM830202-00̲3WAY VRF.indb 3 2012/01/30 14:52:30 2012/01/30 14:52:30