Haier 1U71S2SG1FA Service Manual page 104

1. Preparation for suspending the unit
a. Size of hole at ceiling and position of hanging bolts
<Combinat on with sient pane >
AD90S2SM3FA AD90S2SM4FA AD105S2SM3FA AD105S2SM4FA
AD125S2SM3FA AD125S2SM4FA AD140S2SM3FA AD140S2SM4FA
Model
AD90S2SM3FA AD90S2SM4FA
AD105S2SM3FA AD105S2SM4FA
AD125S2SM3FA AD125S2SM4FA
AD140S2SM3FA AD140S2SM4FA
b. Hanger bolts installation
Use care of the piping direction when the unit is installed.
2.1nstallation 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.
Dimension
A(mm) B(mm) C(mm) D(mm) E(mm) F(mm)
1162 1612
1562 2012
101
1672 620 765
2072 620 765
825
825