Super Free Match
Service Manual
INSTALLATION
66
Purge and make leakage
detection under pressure
◆
Purge the system clean.
◆
Keep the pressure for 24 hours
◆
Except for the influence by temperature, it is deemed
acceptable if pressure drop is within 0.02MPa. (With the
temperature change by 1 , the pressur
℃
e will change by
approx. 0.01MPa)
Thermal insulation
◆
The thermal insulation tube must meet the specifications.
◆
Seal between the thermal insulation pipes to avoid air
entry.
Installation of outdoor unit
◆
Select the installing position correctly.
◆
Build the foundation according to the anchor bolt position
and the dimension of outdoor unit
◆
Build the damping device properly.
◆
Avoid sharp knock when handling the outdoor unit. The
inclination angle shall not be higher than 15°.
Connection of indoor unit and outdoor unit
◆
Tighten the nuts.
◆
Provide proper protection to the outdoor connection pipe,
communication wires and power supply.
Leakage detection under pressure
◆
Keep the pressure for 24 hours. Except for the influence by
temperature, it is deemed acceptable if pressure drop is
within 0.02MPa. (With the temperature change by 1
℃
, the
pressure will change by approx. 0.01MPa).
Vacuuming
◆
Establish vacuum simultaneously in the gas pipe and liquid
pipe;
◆
The vacuuming time shall be long enough.
◆
Put still for 1 hour after vacuuming. It is deemed
acceptable if the pressure will not rise.
Add refrigerant
◆
Add refrigerant according to the volume as specified on the
engineering drawing.
Open the valve of outdoor unit
Commissioning of complete unit
Remarks:
a. Described above are general working procedures. The procedures might vary with the site conditions.
b. For detailed installation rules, please see the description in each chapter
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