Haier AB052MAERA Operation & Installation Manual page 15

Installation Procedures
Heat Insulating Treatment:
• Wrap the connection between the clamp and the root
segment of the indoor unit without any gap with heat
insulating materials as shown in the drawing
Lifting Drainpipe
The drainpipe can be lifted 450mm.
When the down gradient of the drainpipe can't be ensured,
after upright lifting, the drainpipe is in the down slope.
Confirming Drainage
The drainage should be confirmed during the test run to make sure that there is leakage at the connection.
The confirmation of drainage should be also performed during the installation in the winter season.
• After mounting the electrical system, do cooling operation and meanwhile add water and check.Fill 600cc water with a
hose from the injection nozzle. Add the water slowly. Don't add water to the motor of the drainage pump.
• Confirm the sound of the motor:
Confirm the sound of the motor of the drainage pump and meanwhile check the drainage.
Tubing Permissible Length & Height Difference
Please refer to the attached manual of outdoor units.
Tubing Materials & Specifications
Please refer to the attached manual of outdoor units.
Model
Tubing Size (mm)
Liquid pipe
Tubing Material
drain connection
AB052~092MAERA
Gas pipe
Phosphor deoxybronze seamless pipe (TP2) for air conditioner
attached heat
insulating material
injection nozzle
Ø9.52
Ø6.35
13
hose hose clamp
heat insulating
material
100mm
below
under the ceiling
AB122MAERA
Ø12.7
Ø6.35
horniness pvc pipe