6
Inspections:
a. Check if the hooks at the top and bottom are firmly
fixed.
b. Check if the position of the master unit is properly
leveled.
c. The drain pipe should not curve upward (Fig.5).
d. The drain pipe should be at the lower part of the wall
pipes (Fig. 5).
Installation fixture of outdoor unit
• Try to ship the product to the installation location in its original package;
• As the gravity center of the unit is not at the installation center, special caution should be taken
when using hoisting cables to lift it up;
• During shipping, the outdoor unit must not be slanted to over 45 degrees (Do not store the unit in a
horizontal way).
• Use expansion bolts to fix the mounting supports on the wall;
• Use bolts and nuts to fix the outdoor unit firmly on the supports and keep on the same level;
• If the unit is installed on the wall or at the rooftop, the supports have to be firmly fixed so as to
resist earthquake or strong wind.
Dimensions for parallel units installations
Ordinary pipelines connection & Air purging
• The following ordinary pipelines connection and air purging procedures are just suitable for non-
quick coupler model.
p
Ordinary pipelines connection
No dust, foreign articles, air or moisture should be allowed to enter the air conditioning system. Careful
attention should be paid when pipeline connection for outdoor unit is made. Try to avoid repeated
curves as much as possible, otherwise hardening or cracks might be caused to the copper pipes.
Suitable wrenches should be used when the pipeline connection is done so as to ensure appropriate
torque (refer to following torque Table 1). Excessive torque might damage the joints while too little
torque might lead to leakage.
Fig. 5
Connecting
wires
Drain pipe
Connecting pipe
Wall pipe
Drain pipe