Mitsubishi Electric PUZ-WZ50VAA Service Manual page 13

• mechanical handling equipment is available, if required, for handling refrigerant cylinders;
• all personal protective equipment is available and being used correctly;
• the recovery process is supervised at all times by a competent person;
• recovery equipment and cylinders conform to the appropriate standards.
d) If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system.
e) Make sure that cylinder is situated on the scales before recovery takes place.
f) Start the recovery machine and operate in accordance with manufacturer's instructions.
g) Do not overfill cylinders. (No more than 80 % volume liquid charge).
h) Do not exceed the maximum working pressure of the cylinder, even temporarily.
i) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equip-
ment are removed from site promptly and all isolation valves on the equipment are closed off.
j) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and checked.
(15) Labelling
Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be
dated and signed. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stat-
ing the equipment contains flammable refrigerant.
(16) Recycling and disposal
Do not dispose of the unit with the household waste.
According to the laws and ordinances of each country, hand in the unit to a collection center for waste electrical or elec-
tronic equipment or to a recycler authorised by manufacturer.
Check the following condition of the unit before transporting for disposal. If there is deemed to be a risk of leakage during
transport, it needs to be empty the machine of refrigerant.
-Strength
-corrosion
-refrigerant circuit status
-securing the load
Refrigerant must only be released, recovered and disposed properly by an authorised competent person.
Be sure to observe the following safety requirements when transporting the unit.
1. Do not use a source of ignition during transportation, which includes: naked flames, sparks, static electricity,
objects with high surface temperature (>370 °C).
- Do not smoke.
- Do not use electric devices, heater, lights, etc.
2. Vehicles with ventilation in the cargo area should be used.
- Like below image.
- If vehicles are not equipped with a special ventilation system, fresh outside air intake mode and MAX fan volume oper-
ation are mandatory
OCH816
13