Toyotomi UTG-09AP, User Manual

Page: 97 / 156

97
GB
Minimum
room area
(m 2 )
Charge amount
(kg)
1.9 2 2.1 2.2 2.3 2.4 2.5
Floor location 31 34.3 37.8 41.5 45.4 49.4 53.6
Window mounted 11.2 12.4 13.6 15 16.3 17.8 19.3
Wall mounted 3.4 3.8 4.2 4.6 5 5.5 6
Ceiling mounted 2.3 2.6 2.8 3.1 3.4 3.7 4
MAINTENANCE NOTES
§
Check whether the maintenance area or the room area meet the
requirement of the nameplate.
- It is only allowed to be operated in the rooms that meet the requirement of
the nameplate.
§
Check whether the maintenance area is well-ventilated.
- The continuous ventilation status should be kept during the operation
process.
§
Check whether there is fi re source or potential fi re source in the maintenance
area.
- The naked fl ame is prohibited in the maintenance area; and the “no
smoking” warning board should be hanged.
§
Check whether the appliance mark is in good condition.
- Replace the vague or damaged warning mark.
WELDING
§
If you should cut or weld the refrigerant system pipes in the process of
maintaining, please follow the steps as below:
a. Shut down the unit and cut power supply.
b. Eliminate the refrigerant.
c. Vacuuming
d. Clean it with N2 gas
e. Cutting or welding
f. Carry back to the service spot for welding
§
The refrigerant should be recycled into the specialized storage tank.
§
Make sure that there is not any naked fl ame near the outlet of the vacuum
pump and it is well-ventilated.