Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 216

(ii) Suspension
Be sure to observe the finished length of the suspension bolts given below.
1) Fixing the suspension bolt (customer ordered parts M10)
Securely fix the suspension bolt as illustrated below or in another way.
Suspension bolt
M10 nuts
Indoor unit
M10 Spring washer
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.
3) Blower fan tap switch
1 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.
A
Hole in anchor bolt
Hole-in plug
Insert
Concrete
Suspension bolt M10
M10 Washer
Indoor unit
Piping side
Supply water
0 ~ 5 mm
Bring the piping side slightly lower
Models
FDUM22, 28, 36, 45, 56
FDUM71, 90
FDUM112, 140
Suspension bolt M10
PVC hose
Function number A
"
01
212
- -
Mark
A
86
986
1406
Function description B Setting C
Hi CEILING SET Hi CEILING 1
Unit : mm