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1) Fixing the suspension bolt (customer ordered parts M10)
Securely fix the suspension bolt as illustrated below or in another way.
b) Unless the levelness is adjusted properly, the malfunction of the float switch will occur.
Insert
Hole in anchor bolt
Hole-in plug
Suspension bolt M10
Concrete
Suspension bolt
M10 Washer
M10 nuts
Indoor unit
M10 Spring washer
Suspension bolt M10
Indoor unit
60mm or less
PVC hose
Piping side
Supply water
0 ~ 5 mm
Water level
Bring the piping side slightly lower
(c)
Installation of indoor unit
Packing hardware
Two pieces of packing handware are uesd.
Discard them after unpacking.
●
Fix the indoor unit to the hanger bolts.
If required, it is possible to suspend the unit to
the beam,etc.
Directly by use of the bolts without using the
hanger bolts.
Note
When the dimensions of indoor unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging
bracket.
1) Adjusting the unit’s levelness
a) Adjust the out-levelness using a level vial or by the following method.
●
Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose
becomes given below.
After removing the hardware,
retlghten the screw.
Packing hardware (2Pcs.)
Remove wood screw
Wood base
●
When installing the unit, heed must be taken that the side touching
the wood frame is the top surface of the unit.
2) Blower fan switching. (When the high performance filter is used.)
The fan tap’s factory setting is “Standard.” If you want to change
it to the high static-pressure setting, you can avail yourself of the
following two methods. Use one of the two methods to set the
fan tap.
1
Set SW9-4 provided on the indoor unit PCB to ON.
2
Select the “HI CEILING 1 (high-speed tap)” setting
for “
©
” in #01 of “I/U FUNCTION
▲
” (indoor unit
function) by using remote controller function setting.
For the setting method, please refer to the installation
manual supplied with the remote controller.
Models
FDUR201,251
FDUR301,401,501
Static Pressure
Unit : Pa
Standard tap
50
50
High tap
85
130
SW9-4
ON
OFF
Fan control, high speed (High ceiling)
Fan control, standard
A
B
C
Function number
Function description
Setting
01
Hi CEILING SET
Hi CEILING 1