Tesla TT26EX21-0932IA, User Manual

Page: 17 / 352

17
ENG
Special Tools
Indoor unit
• Install the indoor unit on a strong wall that is not
subject to vibrations.
• The inlet and outlet ports should not be
obstructed:the air should be able to blow all over
the room.
• Do not install the unit near a source of heat,
steam,or flammable gas.
• Do not install the unit where it will be exposed to
direct sunlight.
• Select a site where the condensed water can be
easily drained out, and where it is easily connected
to outdoor unit.
• Check the machine operation regularly and reserve
the necessary spaces as shown in the picture.
• Select a place where the filter can be easily taken
out.
Tool Name Requirement(s) for Use
Mini Vacuum Pump
It should be an explosion-proof vacuum pump; can ensure certain precision and
its vacuum degree should be lower than 10Pa.
Filling Device
It should be a special explosion-proof filling device; have certain precision and its
filling deviation should be less than 5g.
Leak Detector It should be calibrated regularly; and its annual leak rate should not exceed 10g.
Concentration Detector
A. The maintenance site should be equipped with a fixed-type combustible
refrigerant concentration detector and connected to a safeguard alarm system;
its error must be not more than 5%.
B. The installation site should be equipped with a portable combustible refrigerant
concentration detector which can realize two-level audible and visual alarm; its
error must be not more than 10%.
C. The concentration detectors should be calibrated regularly.
D. It is necessary to check and confirm the functions before using the concentration
detectors.
Pressure Gauge
A. The pressure gauges should be calibrated regularly.
B. The pressure gauge used for Refrigerant 22 can be used for Refrigerants R290
and R161; the pressure gauge used for R410A can be used for Refrigerant 32.
Fire Extinguisher
It is necessary to carry fire extinguisher(s) when installing and maintaining an
air conditioner. On the maintenance site, there should be two or more kinds
of dry powder, carbon dioxide and foam fire extinguishers and that such fire
extinguishers should be placed at stipulated positions, with eye-catching labels
and in handy places.
Selecting the Installation Place
Mounting plate
Condensed water
drain pipe
Sleeve
Insulating covering
Electrical cable
Water drain pipe