Haier 1U71S2SG1FA Service Manual page 90

1. Preparation for suspending the unit
a. Size of hole at ceiling and position of hanging bolts
<Combination with silent panel >
Dimensions
Model
AD50S2S M1FA AD71S2SM1FA
b.Hanger bolts installation
Use care of the piping direction when the unit is installed.
2.Installation of indoor unit
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 main unit and ceiling holes does not match, it
can be adjusted with the slot holes of hanging bracket.
Adjusting to the levelness
(a) Adjust the out-of levelness using a level 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 as given below.
(b) Unless the adjustment to the levelness is made properly,
malfunctioning or failure of the float switch may occur.
Tap selection on blower unit
(When the high performance filter is used.)
Taps of blower unit are set at the standard selection at the shipping
from factory. Where the static pressure is raised by employing such
option as the high performance filter, etc., change the connection of
connectors provided at the flank of control box as shown below.
AD50S2SM1FA AD71S2SM1FA
A(mm) B(mm)
983 1433
C(mm) D(mm)
1493 595
87
E(mm) F(mm)
740 800