59
Outdoor Unit Functions
Due to our policy of continuous product innovation, some specifications may change without notification.
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• Follow the procedures indicated when charging refrigerant.
• If ambient conditions are beyond the operating temperature range, Refrigerant Auto Charge will not function properly.
• Outdoor Unit Operating Temperature Range: Cooling = 32~109.4°F; Heating = 14~75.2°F.
• Indoor Unit Operating Temperature Range: Cooling = 32~64.4°F; Heating = 50~80.6°F.
• If the system continuously turns off because of excessive low pressure levels before “E10” is displayed, the system does not nearly have
enough refrigerant. Add about 15% of the estimated refrigerant amount, and try the procedure again.
• Press the SW04C (X: Cancel) button and change the DIP switch to off after the auto refrigerant charge function ends.
Refrigerant Charge Procedure
1. Prepare manifold, refrigerant, and scale (sold separately).
2. Connect manifold to refrigerant charge port as shown.
3. Connect manifold and refrigerant cylinder.
4. Perform the air purge procedure for each manifold hose.
5. When / appear, push the SW03C forward
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6. When or appear, open the valve and add
refrigerant to the system.
7. When or appear, close the valve and remove
the connected charge port.
Heat Recovery / Heat Pump
Refrigerant Charge Kit
(PRAC1)
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When performing the leak test and air purge, use a vacuum pump or
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death.
• When charging refrigerant, use the specified equipment.
• To reduce communication errors, use the wired remote control to set the main unit.
• During indoor unit operation, system must be in Thermo on, otherwise the procedure will not operate.
• If outdoor unit switched to defrost mode while the auto refrigerant charge function was operating, restart auto refrigerant charge function
only after defrost mode is finished.
WARNING
Figure 8: Refrigerant Charge Set Up.
OTHER CONTROLS
Setting Optional Modes
