Daikin EWAD900BJYNN/A [337/346] Maintenance shut down

ESIE07-04 Maintenance

Part 5 – Maintenance 5–11

1.6 Maintenance Shut-down

Procedure P Turn the Q1 selector to Off position. The compressor will carry out its pump-down cycle and then

stop.

P Repeat the sequence for all the selectors Q2, (Q3 and Q4) to stop all the other compressors.

P Switch the “Q0” selector from “Local” to off position.

P Push the “On/Off” button on the keypad to de-energise the unit, green light become off.

P Open the circuit breaker Q12 to stop the auxiliary circuit.

P Open the main switch Q10 to remove the power supplier to the unit. In this condition the oil electric

heater is off. When you restart the unit before switching on the compressors wait at least 12 hours

to heat the oil.

P Close the shut-off valves of the refrigerant circuits.

P Switch off the water pumps

P Service the unit accordingly to the program