Field Setting - Panasonic U-5MX3XPQB Installationsanleitung

4 Additional refrigerant charge
The amount of refrigerant to be added to the unit should be
written on the included "Added Refrigerant" plate and attached
to the rear side of the front cover.
5 Insulation test of the main power circuit
Using a megatester for 500 V, check that the insulation
resistance of 2 MΩ or more is attained by applying a voltage of
500 V DC between power terminals and earth. Never use the
megatester for the transmission wiring.
6 Installation date
Be sure to keep record of the installation date on the sticker on
the rear of the upper front panel according to EN60335-2-40.

8.3. Field setting

If required, carry out field settings according to the following
instructions. Refer to the service manual for more details.
Opening the switch box and handling the switches
When carrying out field settings,
remove the inspection cover (1).
Operate the switches with an insulated
stick (such as a ball-point pen) to avoid
touching live parts.
Make sure to re-attach the inspection cover (1) into the switch box
cover (2) after the job is finished.
Location of the dip switches, leds and buttons
1 Led H1~7P
2 Push button switches
BS1~BS5
3 Dip switch 1 (DS1: 1~4)
4 Dip switch 2 (DS2: 1~4)
1
2
5 Dip switch 3 (DS3: 1~2)
4
3
5
Led state
Throughout the manual the state of the leds is indicated as follows:
OFF
ON
blinking
Setting the dip switches
(only in case of a heat pump unit)
What to set with dip switch DS1
1 COOL/HEAT selector (refer to "Field line connection:
transmission wiring and cool/heat selection" on page 14)
( OFF = not installed = factory setting)
2~4 NOT USED
DO NOT CHANGE THE FACTORY SETTING.
What to set with dip switch DS2
1~4 NOT USED
DO NOT CHANGE THE FACTORY SETTING.
What to set with dip switch DS3
1+2 NOT USED
DO NOT CHANGE THE FACTORY SETTING.
Installation manual
17
Setting the push button switch (BS1~5)
Function of the push button switch which is located on the outdoor
unit PCB (A1P):
The figure shows state of the led indications when the unit is shipped
from the factory.
Setting the mode
The set mode can be changed with the
1
to the following procedure:
2
If the H1P led is blinking
once, the setting mode will change to setting mode 1.
Setting mode 1
The H1P led is off (COOL/HEAT selection setting).
Setting procedure
1
2
TEST:
C/H SELECT
MODE
HWL: IND MASTER
H1P H2P H3P H4P
BS1 BS2 BS3
MODE SET RETURN
For changing the set mode
BS1 MODE
For field setting
BS2 SET
For field setting
BS3 RETURN
For test operation
BS4 TEST
For resetting the address when the wiring is changed or when
BS5 RESET
an additional indoor unit is installed
For setting mode 1: Press the
H1P led is off .
For setting mode 2: Press the
5 seconds, the H1P led is on
and the
NOTE If you get confused in the middle of the setting
process, push the
BS1 MODE
setting mode 1 (H1P led is off).
(not in case of cooling only unit)
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 are connected in multiple system-combination
H1P H1P H2P H2P
1
2
3
(*) It is necessary to use the optional external control adapter for
outdoor unit (DTA104A61/62). See the instruction delivered
with the adapter.
Push the button and the setting is defined.
BS3 RETURN
L.N.O.P DEMAND
MULTI
SLAVE
H5P H6P H7P H8P
BS4 BS5
TEST RESET
button according
BS1 MODE
button once, the
BS1 MODE
button for
BS1 MODE
.
button is pushed
BS1 MODE
button. Then it returns to
(*)
.
(*)
.
H3P H3P H4P H4P H5P H5P H6P H6P H7P H7P
U-5~48MX3XPQB
Urban Multi air conditioner
4PW21867-1A