Panasonic U-5MX4XPQ Installation Manual page 27

Check operation procedure
1 Turn the power on for the outdoor unit and the indoor unit.
Be sure to turn the power on at least 6 hours before operation
inorder to have power running to the crank case heater.
2 Make sure that transmission is normal by checking the LED
display on the outdoor unit circuit board (A1P). (If transmission
is normal, each LED will be displayed as shown below.)
LED
Micro-
display
computer
(Default
Ready
operation
status
Mode /Error
monitor
before
delivery)
HAP H1P H2P
Single outdoor
c x x
unit system
Master c x x
(a)
unit
Multiple Slave
c x x
outdoor unit
(a)
unit 1
system
Slave
c x x
unit
(a)
2
(a) The state of the H8P (multi) LED in a multi-system shows wich unit is the master
unit (w), slave 1 unit (c) or slave 2 unit (x).
Only the master unit is connected to the indoor units with interunit wiring.
Setting the mode
The set mode can be changed with the
to the following procedure:
For setting mode 1: Press the
x
H1P led is off .
For setting mode 2: Press the
5 seconds, the H1P led is on
c
If the H1P led is blinking and the
once, the setting mode will change to setting mode 1.
NOTE If you get confused in the middle of the setting
process, push the
BS1 MODE
setting mode 1 (H1P led is off).
Setting mode 1
The H1P led is off (COOL/HEAT selection setting).
Setting procedure
1 Push the button and adjust the led indication to either
BS2 SET
one of the possible settings as shown below in the field marked
:
1 In case of COOL/HEAT setting by each individual outdoor unit
circuit.
2 In case of COOL/HEAT setting by the master unit when outdoor
units are connected in multiple system-combination
3 In case of COOL/HEAT setting by the slave unit when outdoor
units connected in multiple system-combination
H1P H2P H3P H4P H5P H6P H7P
x x c x x x x
1
x x x c x x x
2
x x x x c x x
3
(a) It is necessary to use the optional external control adapter for outdoor unit
(DTA104A61/62). See the instruction delivered with the adapter.
2 Push the button and the setting is defined.
BS3 RETURN
U-5~18MX4XPQ
Urban Multi air conditioner
4PW28163-1
Cooling/Heating
changeover
Indivi- Bulk Bulk Low
dual (master) (slave) noise Demand Multi
H3P H4P H5P H6P H7P H8P
w x x x x x
w x x x x w
x x x x x c
x x x x x x
button according
BS1 MODE
button once, the
BS1 MODE
button for
BS1 MODE
w
.
button is pushed
BS1 MODE
button. Then it returns to
(a)
.
(a)
.
Setting mode 2
The H1P led is on.
Setting procedure
1 Push the button according to the required function
BS2 SET
(A~H). The led indication that matches the required function is
shown below in the field marked
Possible functions
A additional refrigerant charging operation.
B refrigerant recovery operation/vacuuming operation.
C setting of high static pressure.
D automatic low noise operation setting at nighttime.
E low noise operation level setting (
control adapter.
F power consumption limitation setting (
control adapter.
G enabling function of the low noise operation level setting
( L.N.O.P ) and/or power consumption limitation setting
( DEMAND ) via the external control adapter (DTA104A61/62).
H check operation (without initial refrigerant decision)
H1P H2P H3P H4P H5P H6P H7P
w x w x w x x
A
w x w x w x w
B
w x w x x w x
C
w x w x w w x
D
w x w w x x w
E
w x w w w w x
F
w x x w w x x
G
w x x x x w w
H
2 When the button is pushed, the current setting is
BS3 RETURN
defined.
3 Push the button according to the required setting
BS2 SET
possibility as shown below in the field marked
3.1 Possible settings for function A, B, C, G and H are
(OFF).
OFF
H1P H2P H3P H4P H5P H6P H7P
w x x x x c x
ON
(a)
w x x x x x c
OFF
(a) This setting = factory setting
3.2 Possible settings for function D
The noise of level 3 < level 2 < level 1 (
H1P H2P H3P H4P H5P H6P H7P
(a) w x x x x x x
OFF
w x x x x x c
1
w x x x x c x
2
w x x x x c c
3
(a) This setting = factory setting
3.3 Possible settings for function E and F
For function E only: the noise of level 3 < level 2
( L.N.O.P )
< level 1 ( 1 ).
For function F
( DEMAND
level 1< level 2 < level 3 (
H1P H2P H3P H4P H5P H6P H7P
w x x x x x c
1
(a) w x x x x c x
2
w x x x c x x
3
(a) This setting = factory setting
:
L.N.O.P ) via the external
DEMAND ) via the external
.
(ON) or
ON
1 ).
only: the power consumption of
)
3 ).
Installation manual
24