8
Installation and Maintenance
3.2.3 Install the indoor unit.
The installation of the indoor unit is shown in Fig. 3.4.
(1) How to fix the suspension bolts and the nuts
As shown in the figures 3.5, the nuts are fixed
four bolts.
Nut
Indoor unit
Washer
Double nut
Fig. 3.5 Suspension bolts and nuts
Approx 50mm
Suspension bolts
( Field supplied )
(4-M10 or W3/8)
Nuts and
washers (4-
M1 0 or W3/ 8)
( Field supplied )
Fig. 3.4 The installation of the indoor unit
Fig. 3.3 Suspension bolts
(2) Install the indoor unit
As shown in the following figure, place the left
hanger bracket on the nuts and washers of the
suspension bolts.
Make sure that the left hanger bracket has been
fixed on the nuts and washers securely, install the right
hanger bracket suspension hook on the nuts and
washers.
(When installing the indoor unit, you can slightly
remove the suspension bolts.)
·
·
3.2.4 The horizon adjustment of the indoor unit
(1) Make sure that the hanger bracket is fixed by the nut
and the washer.
(2) Adjust the height of the unit.
(3) Check the unit is horizontally level.
(4) After the adjustment, tighten the nut and swear the
thread locker on the suspension to prevent the nuts
from loosening.
(1) During the installation, please cover the unit with the
plastic cloth to keep it clean.
(2) Make sure the unit is installed level using a level or
a plastic tube filled with water in instead of a level, adjust
the top surface of the unit to the surface of the water at
both ends of the plastic tube and adjust the unit horizontally.
(one thing to watch out for in particular is if it is installed
so that the slope is not in the direction of the drain piping,
as this might cause leaking.)
CAUTION
Rack
Double nuts
and washers
Hanger bracket
Suspension bolt
Indoor unit
Fig. 3.6
3.2.5 Installing the duct
·Make sure the range of the unit's external static
pressure is not exceeded.
·Connect the duct and intake-side flange.
·Connect the duct and outlet-side flange.
·The connection of indoor unit and air duct must be well
sealed and keep warm with insulation material.
<Example>
CAUTION
Fig. 3.7
(Unit:mm)
24K/36K/42K/48K/60K
Canvas duct
Horizon
Service mouth
Air inlet
(with filter)
（600mm-600mm）
Air-outlet
The valve for the amount of air
Insulation material
Outside air
(through
the filter)
Static pressure
box
Canvas duct
Static pressure
box
The valve for
the amount of air
a
b
c
d
Air outlet
Air inlet
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