Simultaneous Operation; Daily Maintenance - Hitachi RCIM-1.0FSN4 Installations- Und Betriebshandbuch

Simultaneous operation

8 SIMULTANEOUS OPERATION
The multiple indoor units can simultaneously be controlled by one remote control switch (Single: max 16 units, Twin: max 8 sets,
Triple: max 5 sets, Quad: max 4 sets).
Contact a distributor or a contractor for detail.
9 MAINTENANCE
!
D A N G E R
• Turn OFF the power source before the maintenance work. If not,
it may cause a fire or an electric shock.
• Perform the maintenance work with stable footing. If not, it may
cause falling or injury.

9.1 DAILY MAINTENANCE

9.1.1 Cleaning Air Filter
Clean the air filter when the filter sign is turned ON.
(PC-ARFPE example)
Meeting Room
A/C
MODE SPEED LOUV.
COOL
HIGH
LOUV. ADJ
OK
1 Open the air inlet grille.
While sliding the knobs on both side of the air inlet grille in
the arrow direction, open the air inlet grille.
Air inlet grille
Air Inlet Grille
10 PMML0363A rev.2 - 08/2016 - P5416559
Filter sign
Filter Sign
FLTR
TEMP
?
Knobs
Knobs
!
C A U T I O N
Hold the air filter and the air inlet grille securely by hand when opening,
closing, attaching or removing them. If not, it may cause the product
falling, resulting in an injury.
?
N O T E
Do not operate the system without the air filter, to prevent the indoor unit
heat exchanger from being clogged.
2 Remove the air filter.
Hold the lower side of the air inlet grille and release the filter
lock. While sliding the air filter in the arrow direction, release
4 catches on both sides to remove the air filter from the air
inlet grille.
Air inlet grille
Air Inlet Grille
Air filter
Air Filter
3 Clean the air filter.
• Vacuum dust with a cleaner, or wash the air filter with water
or neutral detergent.
• Dry the air filter in the shade.
?
N O T E
• Do not use hot water more than 50ºC. The air filter may be deformed
by heat.
• Do not dry the air filter with an open fire, a dryer or a heater. The air
filter may be deformed.
4 Attach the air filter.
After the air filter is dried, attach it correctly to the air inlet
grille.
5 Close the air inlet grille.
?
N O T E
• Be sure to attach the air filter. If the indoor unit is operated without the
air filter, it may cause malfunction of the indoor unit.
• Make sure that the air inlet grille is securely locked with the knobs. If
it is not properly locked, it might open suddenly, resulting in the grille
falling.
Upper part of filter
Upper Part of Filter
Hook
Hook
Hook Hook
Lower part of filter
Lower Part of Filter