1
1-11-1-1-28
CHECKLIST AFTER INSTALLATION WORK
Work List
No.
Content
Check
Possibility of Failure & Checkpoint
Installation
1
Are the indoor units installed following the
content on page 1-11-1-1-1 “ SELECTING
THE INSTALLATION SITE”?
There is a possibility of light injure or loss of
property.
Tubing &
Wiring
4
Is the earth leakage circuit breaker
(all-pole switching function provided)
installed?
Power failure or short circuit may cause electric
shock or fi re. Check installation work and ground
wire work.
5
Is there any wrong installation of optional
parts or wrong wiring?
6
Was the ground wire work performed?
7
Are there any wrong power supply wiring,
wrong connection wire, wrong signal wire
or loose screw?
8
Is the thickness of wire in accordance with
rule?
9
Is the power-supply voltage equal to the
nameplate of the unit?
10
Was the check of the airtight test, fl ared
tube fi tting and gas leakage on the
welded portion performed?
If the gas leakage occurs, the unit quality not only
becomes inferior but affects environment. Repair it
as quickly as possible.
Drain
Check
11
Has the adhesive been applied to the
drain connecting portion (resin portion) of
the indoor unit?
The resin portion cracks after a few months and it
may cause water drain.
12 Is there water leakage?
Since there is a possibility of water drain, repair the
drain pipe if the drain failure or water drain occurs.
13
Indoor unit drain pipe has a downward
gradient (1/100 or more) by rule. Is the
drain water fl owing smoothly?
Heat
Insulation
14
Was the heat insulation work at a suitable
location including the fl ared tube fi tting
(refrigerant tube & drain pipe) performed
properly?
The quality of unit not only becomes inferior but
there is a possibility of the water drain. So, perform
the heat insulation work properly.
Optional
Parts
15
Was the short-circuit connector connected
or the fan tap changed when installing the
air-blocking material?
The discharge temperature decreases in cooling
mode according to the reduction of air volume
and there is a possibility of dew drops. Be sure to
change settings.
Test Run
16 Did the abnormal sound occur?
Check if there is a fan contact or distortion of the
indoor unit.
17 Did the cool and warm airfl ow discharge
from the indoor unit?
Check if the unit does not operate or there is a
wrong tubing or wiring connection with another
system.
EXTERNAL DEVICE INTERLOCK
Example of wiring:
This is an example of the combination systems which extract optional output signal by the service wire and relay (field supply).
When actuating the external device interlock, use the thermostat signal.
OPTION Connector (CN060) Output external signals
PAW-OCT: Panasonic has developed an optional accessory (consisting of plug + wires) called
PAW-OCT to enable an easy connection to this OPTION Connector (CN060).
With the combination of the T10 and the OPTION Connector (CN060) an external control of the I_U is possible!
6P (WHITE): OUTPUTS EXTERNAL SIGNALS AS SHOWN IN THE FIGURE BELOW.
1
2
3
4
5
6
1
2
3
4
5
6
OPTION
(white)
Relay (DC 12V, field supply) (Note)
Indoor unit control
PCB (CR1)
Note: The relay must be installed at a
distance of 2 m or less from the PCB.
Fan signal
DC 12V
Heat start
signal
Cool start
signal
Thermostat
signal
Defrost signal
NOTE
The external output signal from the air conditioner is supplied for the purpose of controlling the external devices. If the air
conditioner does not operate, take measures that the movement of external connecting devices can transfer to the safety
zone in advance.
The external output signal from the air conditioner is turned off when the blackout occurs. If any special considerations are
needed in case of blackout, provide an external circuit.
Use the thermostat signal.
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