Panasonic U-20ME1E81, Service Manual

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2WAY SYSTEM
Remote Controller Functions
5 - 20
2. Detailed Settings Function
5
2WAY SYSTEM
Remote Controller Functions
2. Detailed Settings Function
Selecting the DC fan motor tap (when setting from the PCB)
4-Way Cassette type
<Procedure> Stop the system before performing these steps.
Open the electrical component box cover, then check the indoor unit control PCB.
Setting No. (3) :
Setting No. (6) :
Connect the jumper connector (2P: yellow) which was supplied with the accessory to the correct connector pin
on the indoor unit control PCB according to the setting number which was confirmed in Table 1 for DC Fan Motor
Tap Settings.
Ceiling type
<Procedure> Stop the system before performing these steps.
Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 6)
Connect the jumper connector (2P: yellow) which was supplied with the accessory to the correct connector pin on
the indoor unit control PCB according to the setting number which was confirmed in Table 2 (Table of DC Fan
Motor Tap Settings).
If the setting No. is (1), then connect the jumper connector to the connector pin TP1 (2P: red) on the indoor unit con-
trol PCB.
If the setting No. is (3), then connect the jumper connector to the connector pin TP3 (2P: yellow) on the indoor unit
control PCB.
1-Way Cassette type
<Procedure> Be sure to turn OFF the main power source before performing the steps below.
Open the electrical component box cover, then check the indoor unit control PCB. (Fig. 7)
Connect the jumper connector (2P: yellow) which was supplied with the accessory to the correct connector pin on
the indoor unit control PCB according to the setting number which was confirmed in Table 3 (Table of DC Fan
Motor Tap Settings).
When using with the high ceiling settings
Connect the jumper connector to the connector pin TP1 (2P: red) on the indoor unit control PCB.
When using with the discharge grille (purchased separately) attached (2-way lowered ceiling system)
Connect the jumper connector to the connector pin TP3 (2P: yellow) on the indoor unit control PCB.
TP6
White Yellow Red
TP3 TP1
Fig. 7
Then connect the jumper connector to the connector pin TP3 (2P: yellow) on the indoor unit control PCB.
Then connect the jumper connector to the connector pin TP6 (2P: white) on the indoor unit control PCB.
Fig. 6
FAN-TAP
TP
6
TP
3
TP
1
(WHT
)
YEL RE
D
2WAY SYSTEM
Remote Controller Functions
3. Remote Controller Servicing Functions
The remote controller includes a number of servicing functions. Use these as needed for test runs and
inspections.
List of Servicing Functions
Functions Description Button operation Reset operation Unit status
Test run
Operation with
forced thermostat
ON
Press and hold the button
for 4 seconds or longer.
Press the
button.
Current operation is
maintained.
Sensor
temperature
display
Temperature
display from each
sensor
Press and hold the and
buttons for 4 seconds or
longer.
Servicing check
display
Alarm history
display
Press and hold the and
buttons for 4 seconds or
longer.
Simple settings
Filter life time,
operating mode
priority, central
control address,
and other settings
Press and hold the and
buttons for 4 seconds or
longer.
When settings are made
from a remote controller,
the indoor unit where that
remote controller is
connected stops.
Detailed settings
System address,
indoor unit address,
central control
address, and other
settings
Press and hold the ,
and buttons for 4 seconds
or longer.
Automatic
address
Automatic address
setting based on
command from
the wired remote
controller
Press and hold the and
the timer operation buttons
for 4 seconds or longer.
Automatic reset
Entire system stops.
Address change
Change of indoor
unit address
Press and hold the and
the timer operation buttons
for 4 seconds or longer.
Press the
button.
•
CZ-RTC2
Fig. 8
SM830204-05_2WAY SYS.indb 20 2015/01/23 11:57:31