Mitsubishi Heavy Industries SRK25GZ-L1 Handbook page 868

FDC-HKX
(b) 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 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) Tap selection on blower unit.
Taps of on blower unit are set at the standard selection at the shipping from factory. Where the static pressure is raised by
changeing the connection of connectors provided at the flank of control box as shown below.
Standard tap (at shipping)
Red
Blue
Black
White
866
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
Red
Blue
Black
White
Mark
Models
FDUM36, 45, 56 type
FDUM71, 90 type
FDUM112, 140 type
Suspension bolt M10
PVC hose
High speed tap
Red Blue
Blue Black
Black Brown
White White
Unit : mm
A
786
986
1406