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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.
2) 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 indoor unit proper and water level in the hose
becomes given below.
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
Bring the piping side slightly lower
3) Blower fan tap switch
The following two methods are available in switching the blower
fan tap. Switch to the high-speed tap with one of these methods.
1 Set SW9-4 provided on the indoor unit PCB to ON.
2 By means of function setting from the remote control
unit, set the setting c of “I/U FUNCTION
”
(indoor unit function) to “Hi CEILING 1” (high-speed
tap) as shown right.
For the details of operating procedures, please refer to the installation manual of your remote control unit.
SW9-4
ON
OFF
Fan control,high speed (High ceiling)
Fan control
Function number A Function description B Setting C
01
Hi CEILING SET Hi CEILING 1
(iii) Duct installation
Return air duct
(to be purchased locally)
Supply air duct
(to be purchased locally)
Return air port
with canvas duct
(to be purchased
locally)
Return air port
(to be purchased locally)
Supply air port
(to be purchased locally)
Heat insulation
Indoor unit
Access door
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