D – 508 C – 07/02 D – EN pag. 33/36
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Open the circuit breaker Q12 to stop the auxiliary circuit.
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Open the main switch Q10 to disconnect the power supply to the unit. In this condition the oil electric
heater is off. When you restart the unit, before switching on the compressors, wait for at least 12 hours to
warm up the oil.
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Close the shut-off valves of the refrigerant circuits.
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Switch off the water pumps
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Empty the water heat exchangers or fill them with glycol for freeze protection.
Maintenance Shut-down
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Turn the Q1 selector to Off position. The compressor will carry out its pump-down cycle and then stop.
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Repeat the sequence for all the selectors Q2, (Q3 and Q4) to stop all the other compressors.
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Switch the “Q0” selector from “Local” to off position.
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Push the “On/Off” button on the keypad to de-energize the unit, green light become off.
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Open the circuit breaker Q12 to stop the auxiliary circuit.
−
Open the main switch Q10 to disconnect the power supply to the unit. In this condition the oil electric
heater is off. When you restart the unit, before switching on the compressors, wait for at least 12 hours to
warm up the oil.
−
Close the shut-off valves of the refrigerant circuits.
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Switch off the water pumps
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Service the unit in accordance with the program
Procedure to return materials under warranty
Material may not be returned except with permission from DAIKIN Service department. A "Returned Goods" tag
will be included with the returned material to expedite handling at our factory. Return of the parts does not
constitute an order for replacement. Therefore, a purchase order must be entered through our nearest Sales
Representative. The order should include part name, part number, model number and serial number of the unit
involved. After DAIKIN inspection of the returned part, if the failure is due to faulty material or workmanship, credit
will be issued on the customer's purchase order. All defective parts shall be returned to DAIKIN factory,
transportation charges prepaid.
Service & replacement parts
Always report the model number, acknowledgement number and the unit serial number stamped on the
nameplate, whenever ordering maintenance service or replacement parts.
When ordering replacement parts, state the installing date of the machine and the date of the failure. For an exact
definition of the replacement part requested, please mention the respective code number or, should this not be
possible, attach a description of the part being requested.
