Panasonic U-4..6ML5XPQ, Service Manual

Page: 119 / 283

Field Setting
Test Operation 107
a. “Setting mode 1”
This mode is used to set and check the following items.
1. Set items ············ In order to make COOL/HEAT selection in a batch of outdoor unit group, change the setting.
• COOL/HEAT selection (IND) ·····················Used to select COOL or HEAT by individual outdoor
unit (factory set).
• COOL/HEAT selection (MASTER) ············Used to select COOL or HEAT by outdoor unit group
with the master unit.
• COOL/HEAT selection (SLAVE)················Used to select COOL or HEAT by outdoor unit group
with the slave unit.
2. Check items ······· The following items can be checked.
(1) Current operating conditions (Normal / Abnormal / In check operation)
(2) Setting conditions of COOL/HEAT selection (Individual / Batch master / Batch slave)
(3) Low noise operating conditions (In normal operation / In low noise operation)
(4) Demand operating conditions (In normal operation / In demand operation)
Procedure for changing COOL/HEAT selection setting
Push the SET (BS2) button to set
the blinking of LED to any of
conditions shown on the right.
Push the RETURN (BS3) button to
determine the setting.
The system is normally set to "Setting
mode 1".
Should the system be set to any
mode other than that, push the
MODE (BS1) button to set the
system to "Setting mode 1".
“Normally, “Setting mode 1” is set.
In case of other status, push MODE
(BS1) button one time and set to
“Setting mode 1”.
Check the system for each condition
through LED displays. (Refer to
information in table on the right.)
Pushing the RETURN (BS3) button
will bring the system to the initial
state of "Setting mode 1".
7
7
7 7
7
7 9
7
7 7
9
7 7
7
9 7
7
7 7
7
7
8
ON
7
OFF
9
Blink
Procedure for checking check items
(V2763)
MODE
H1P
TEST
H2P
COOL/HEAT select
IND
H3P
MASTER
H4P
SLAVE
H5P
Low
noise
H6P
Demand
H7P
7 7 8 7 7 7 7
Setting (displaying) item
MODE
H1P
TEST
H2P
COOL/HEAT select
IND
H3P
MASTER
H4P
SLAVE
H5P
Low
noise
H6P
Demand
H7P
For selection by individual outdoor unit (factory set)
For selection in a batch of outdoor unit group with master unit
For selection in a batch of outdoor unit group with slave unit
Pushing the RETURN (BS3) button will return the system to the initial condition of
"Setting mode 1".
Current operating conditions
7
Normal
8
Abnormal
9
In preparation or in
check operation
Setting of COOL/HEAT selection
877
By individual outdoor
unit
787
In a batch of outdoor unit
group with master unit
778
In a batch of outdoor unit
group with slave unit
Low noise operating conditions
7
In normal operation
8
In low noise operation
Demand operating conditions
7
In normal operation
8
In demand operation
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