Installation Manual

 Page 10 
Indoor Unit
Installation
•
Fig. 4.10
Fig. 4.12
Fig. 4.13
Fig. 4.14
Fig. 4.15
Fig. 4.16
Fig. 4.17
Fig. 4.18
Fig. 4.11
Step 4: Duct and accessories installation
NOTE: 1. Do not put the connecting duct
weight on the indoor unit.
2. When connecting the duct, use an
nonflammable canvas tie-in to prevent
vibrating.
3. When connecting duct, install in place prone
to takedown for maintenance.
4. Change the fan motor static pressure
corresponding to external duct static pressure.
5. If installed in place like meeting room where
noise is easy to be perceived, design isolation
booth and internal duct underlayer to muffle
the duct system and weaken the air
encounter noise in the duct.
1. The air inlet and air outlet duct should be far
enough apart enough to prevent air outlet
entering Air Inlet.
Step 3: Diagrammatic sketch for installing
the main body
Installing the dust proof net and canvas air
passage
2. There is dust filter on the indoor unit.
3. Please attach the outside air duct to the indoor
air outlet/inlet flange by using the type
ST3.9 x 10 screw.
4. Connect the duct according to the following
diagram:
Canvas tie-in Canvas tie-in
Air outlet
Isolation booth
Isolation booth
checking orifice
Air inlet
Air dust filter
1. Install the dust proof net according to the
installation manual;
There are three methods:
1: Remove the front side plate from the top.
• Remove the top cover as shown.
3: Repair it directly (only applicable to plastic
scroll and fan wheel)
2: Remove the front side plate from the bottom.
• Remove the bottom base as shown.
2. Install the canvas air passage underneath the
dust proof net.
Step 5: Motor and drain pump maintenance
Pump maintainance:
Remove four screws from the drain pump.
Unplug the pump power supply and water
level switch cable.
Detach the pump.
1.
2.
3.
Pump
Motor maintain:
Loosen the four bolts and two screws which
used to fasten the front side plate.
•
Loosen the four bolts and two screws which
used to fasten the front side plate (Be
careful, the front side plate may fall down)
•
Remove the cord of motor, take off the
front side plate and repair the motor.
•
Remove the cord of motor, take off the
front side plate and repair the motor.
• Take off the chassis assembly and filter .
• Take off the volute. • Take off the motor.
Motor
Volute
Filter
Chassis assembly