Carrier XCT7 40VU0051-7E-QEE Installation And Owner's Manual page 20

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
Gas pipe
Tubing Size (mm)
Liquid pipe
Tubing Material Phosphor deoxybronze seamless pipe (TP2) for air conditioner
Water outlet
injection nozzle
drain connection
AB052~092MAERA
Ø9.52
Ø6.35
12
Hose clamp
Hose
100mm
below
under the ceiling
AB122MAERA
Ø12.7
Ø6.35
PVC pipe
Rigid PVC adhesive