Hitachi RAS-8FSXN1E Manuel D'utilisation page 45

COMMISSIONING
4 The total number of the indoor units connected is indicated
on the LCD (liquid crystal display). The case of the twin
combination (one (1) set with two (2) indoor units) is indicated
"2 units", and the triple combination (one (1) set with three (3)
indoor units) is indicated "3 units".
a. If the indicated number is not equal to the actual connected number of indoor unit, the auto-address function is not performed
correctly due to incorrect wiring, the electric noise or etc. Turn OFF the power supply and correct the wiring after checking the
following points; (Do not repeat turning ON and OFF within 10 seconds.)
Power supply for indoor unit is not turned ON or incorrect wiring.
-
Incorrect connectionn of connecting cable between indoor u nits or incorrect connection of controller cable.
-
Incorrect setting of rotary switch and dip switch (the setting is overlapped) on the indoor units PCB.
-
b. Press " " (run/stop) to start the test run.
c. Press " " and set each item.
5 Press " " (run/stop). Start the test run when indicatin the air
flow volume "HIGH" (default setting) and light the operation
lamp. At this time, 2-hour OFF timmer will be set automatically..
6 Press " " or " ", select "LOUV." and select "
by pressing " " or " ". The auto swing operation will be started.
Check the operating sound at the louvers. If abnormal sound
is not generated, press " " or " " again to stop the auto swing
operation.
7 The temperature detections by the thermistors are invalid though the protection devices are valid during the test run.
8 For SET-FREE Series: According to the label "Checking of Outdoor Unit by 7-Segment Display on PCB1" attached to the rear
side of the front cover of the outdoor unit, check temperature, pressure and the operation frequency, and connected indoor unit
numbers by 7-segment displays.
9 To finish the test run, press " " (run/stop) again or pass over
the set test run time. When changing the test run time, press "
" or " " to select "T-RUN TIME". Then, set the test run time (30
to 600 minutes) by pressing " " or " "
The RUN indicator on the remote control switch flashes when
•
some abnormalities such as protection devices activated occur
during the test run as well as the RUN indicator (orange) on
the indoor unit flashes (0.5 second ON/ 0.5 second OFF).
Additionally, the alarm code, the unit model code and connected
number of indoor units will be displayed on the LCD as
shown in the figure below. If the RUN indicator on PC-ARFPE
flashes (2 seconds ON/ 2 seconds OFF), it may be a failure
in the transmission between the indoor unit and the remote
control switch (loosening of connector, disconnecting wiring or
breaking wire, etc.). Consult to authorized service engineers if
abnormality can not be recovered.
35 PMML0392B rev.1 - 07/2016
" (auto swing)
Refrigerant Cycle No.
of Indoor Unit which
Abnormality Occurs
Unit Model Code
Test Run Setting: 2 units
COOL
MODE
MED
SPEED
LOUV.
T-RUN TIME 120MIN
SEL. ADJ RUN RTN.
Test Run: 2 units
COOL
MODE
SPEED HIGH
LOUV.
T-RUN TIME 120MIN
SEL. ADJ STOP
Test Run: 2 units
COOL
MODE
HIGH
SPEED
LOUV.
T-RUN TIME 120MIN
SEL. ADJ STOP
Test Run: 2 units
MODE COOL
SPEED MED
LOUV.
T-RUN TIME 510MIN
SEL. ADJ STOP
01-02
22
Alarm Code:
MODEL : b .02
SEL. OP MODE ENT.
OK
Indoor Unit No.
which Abnormality Occurs
01 - 02
22
Alarm Code: Alarm Code No.
MODEL : b . 02
Total No. of Indoor Unit in
Same Refrigerant Cycle as
One that Abnormality Occurs
ALM RST
ADDR