Maintenance - Hitachi RPC-FSN3E Installation And Operation Manual

Maintenance

DSW5 and RSW2: Refrigerant Cycle No. Setting
Setting is required. Setting position before shipment in
DSW5
ON
1 2 3 4 5 6
Here is set DSW5 and RSW2 before shipment up to 63 can be
set.
Ex. Setting 5 system
ON
1 2 3 4 5 6
All pins are OFF
DSW4: Unit Model Code Setting
No setting is required. This switch is utilized for setting the model
code which corresponds to the indoor unit type.
Indoor Unit Model DSW4 Setting
Indoor Unit Model
RPC
6 MAINTENANCE
Do not operate the system without the air filter to protect the indo-
or unit heat exchanger against being clogged.
Turn OFF the main power switch before taking out the filter. (The
previous operation mode may appear.)
6.1 TAKE OUT THE FILTER
Ceiling Type
1 Side the knobs.
Knob
6.2 CLEAN THE FILTER
Clean the air filter according to the following steps:
1 Use a vacuum cleaner or let water flow onto the air filter for
removing the dirt from the air filter.
6.3 RESET OF FILTER INDICATION
After cleaning the air filter, press the "RESET" button. The FIL-
TER indication will disappear and the next filter cleaning time is
set.
15 PMML0320A rev.2 - 09/2015
DSW7: Fuse Recover
In case of applying high voltage to the terminal 1,2 of
TB1, the fuse on the PCB1(M) is cut. In such a case,
RSW2
firstly correct the wiring to TB1 and then turn ON #1 (as
showing beside)
0
DSW7: Remote Control Selection
No setting is required. Setting position before shi-
pment is all OFF Remote Control Switch Selec-
ted).
RSW2
0
Fix to 5 -
show setting before shipment or after selection.
DSW4 Setting
ON
1 2 3 4
The indication, "FILTER" is shown on the display of the remote
control switch. Take out the air filter according to the indicated
steps for each unit.
2 Open the air inlet grille.
3 Take out the air filter from the air inlet grille.
Do not use hot water higher than approximately 40ªC
2 Dry the air filter in the shade after shaking off moisture.
3 Do not use cleaner or other chemicals
N O T E
The mark "" indicates position of dips switches. Figures
C A U T I O N
ON
1 2
ON
1 2