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Preparing for Power-On
Procedure
- Check that the AC/DC auxiliary power module, main control module and fan drive module are inserted properly and the latches are locked.
- Check that the fan switches QF3–QF6 and electric heater switch QF7 (optional) are turned on and the smart cooling product is properly grounded.
- Verify that the input voltage meets the requirement.
- Verify that the indoor unit power cable is connected properly.
- If teamwork networking is required, verify that the teamwork cable is correctly connected.
- Verify that the cable connections and DIP switch settings of the T/H sensors are correct.
- Turn on the general switch. For a unit that has two power inputs, turn on the active power switch QF1 and standby power switch QF2.