2
Safety
CAUTION
R-410A specified tools
Remarks
1 Gauge manifold
Range:HP
＞
4.5MPa,LP
＞
2MPa
2 Charge hose
Pressure:HP:5.3MPa,LP:3.5MPa
3 Electronic weight for charging R410A
No other means permitted
4 Torque wrench
5 Flare tool
6 Copper pipe gauge for adjusting projecting margin
7
Vacuum pump fitting
Vacuum pump must be equipped with
check valve
8 Leakage detector
Only Helium detector permitted
•
G
rounding wire should be connected with the grounding bar. The grounding wire can not
be connected to the gas pipe, water pipe, lightening rod or the telephone grounding wire.
Improper grounding may cause electric shock.
•
U
nits installed on roof should have appropriate access and handrail.
•
U
se the wrench to fasten the nut and flare at proper torque. Excessive torque may cause
flared section to broke leading to refrigerant leakage.
•
A
fter refrigerant pipe installation, please take nitrogen leakage test to avoid refrigerant
leakage.
•
R
-410A is the only permitted refrigerant.
•
T
o avoid mischarging wrong refrigerant, the check valve diameter is changed for R-410A. To
strengthen the pipe, the flared pipe dimension is also changed. Please use R-410A specified
tools as shown below.
•
W
hen charging refrigerant, the refrigerant must be in liquid state from the tank.
•
T
o prevent EMC interference on other appliances, please keep indoor unit, outdoor unit,
power cable and connecting wire at least 1m away from those appliances .
•
F
luorescent lamp (reverse phase or rapid start type) may interfere the remote controller's
signal. Please install indoor unit away from fluorescent lamp. The farther the better.
•
A
ny indoor or outdoor unit which finishes the maintenance, must repower the unit system.
•
C
hildren should be supervised to ensure that they do not play with the appliance.
•
T
his appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they
have been given supervision or instruction concerning use of the appliance in a safe way and
understand the hazards involved. Children shall not play with the appliance. Cleaning and
user maintenance shall not be made by children without supervision.
•
T
he appliances are not intended to be operated by means of an external timer or separate
remote-control system.
•
K
eep the appliance and its cord out of reach of children less than 8 years.
