Haier 1U71S2SG1FA Service Manual page 97

1. Preparation for Suspending the Unit
a. Size of hole at ceiling and position of hanging bolts
<Combination with Silent Panel>
AD35S2SM3FA AD35S2SM4FA AD50S2SM3FA
AD50S2SM4FA AD71S2SM3FA AD71S2SM4FA
150
A
Hanging bolt position
B
Ceiling hole size
C
Panel dimensions
Dimensions
Model
AD35S2SM3FA AD35S2SM4FA
AD50S2SM3FA AD50S2SM4FA
AD71S2SM3FA AD71S2SM4FA
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:
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.
300
30
Ceiling~panel
wrap dimensions
A (mm) B (mm)
762 1212
1162 1612
94
C (mm) D (mm)
1272 620
1672 620
Hole-in anchor
Hole-in plug
M10 nut
Main unit
Piping side
Supply water
Water level
0~5mm
(0~0.2)
Bring the piping side slightly lower
Standard tap (at shipping)
white
White
Blue Blue
Yellow Yellow
Red Red
E (mm) F (mm)
765 825
765 825
Insert
Concrete
Hanging bolt M10
Hanging bolt
M10 washer
M10 spring washer
High speed tap
white
Black
Blue
white
Yellow
Blue
Red Red