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stallaon scons
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• Additional refrigerant charge
The unit has been filled with refrigerant.
Please according "Piping Requirement" to calculate additional charge.
Aer vacuum pump procedure has been finished, first exhaust air from charge hose, then open valves, charge
refrigerant as "liquid" type through Liquid stop valve.
At the end, please close valves and record the refrigerant charging quantity.
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WARNING
•
Turn OFF the main power switch to the indoor unit and the outdoor unit and wait for more than 3 minutes bere
electrical wiring work or a periodical check is performed.
•Check to ensure that the indoor fan and the outdoor fan have stopped before electrical wiring work or a periodical check
is performed.
•
Protect the wires, electrical parts, etc. from rats or other small animals. If not protected, rats may gnaw at unprotected
parts and at the worst, a fire will occur.
•
Avoid the wiring from touching the refrigerant pipes, plate edges and electrical parts inside the unit.
•If not do, the wires will be damaged and at the worst, a fire will occur.
•
Install an ELB (Electric Leakage Break) in the power source.
•
If ELB is not used, it will cause electric shock or fire at the worst.
•
This unit uses an inverter, which means that it must be used an earth leak detector capable handing harmonics in order
to prevent malfunctioning of the earth leak detector itself.
•Do not use intermediate connection wires, stranded wires(see <Attentions when Connect the power supply wiring>),
extension cables or control line connection, because the use of these wires may cause fever, electric shock or fire.
•
The tightening torque of each screw shall be as follows.
M4: 1.0 to 1.3 N·m
M5: 2.0 to 2.5 N·m
M6: 4.0 to 5.0 N·m
M8: 9.0to 11.0 N·m
M10: 18.0 to 23.0 N·m
Keep the above tightening torque when wiring work.
A CAUTION
•
With tape material along the wire wrapped, sealed wiring holes, prevent the condensed water and insects.
•
Tightly secure the power source wiring using the cord clamp inside the unit.
NOTE: Fix the rubber bushes with adhesive when conduit tubes to the outdoor unit are not used.
General Check
(1)Make sure that the field-seleed electrical components (main power switches, circuit breake, wires, conduit conneo and
wire terminals) have been pperly selected according to the electrical data.
Make sure that the components comply with National Electrical Code (NEC).
(2) Check to ensure that the voltage of power supply is within +10% of nominal voltage and eah phase is contained in the power
supply wires. If not, elerical pas will be damaged.
(3) Check to ensure that the capacity of power supply is enough.
If not, the compressor will not be able to operate cause of voltage dp abnormally at staing.
(4)Check to ensure that the eah wire is conneed.
(5)Install a main switch, multi-pole main switch with a space of 3.5mm or more, single phase main switch with a space of 3.0mm
or more beeen each phase. Please use the special three-phase power switch r 3-Phase pduct.
(6)Check to ensure that the electrical resistance is more than 2MO, by measuring the resistance between gund and the
terminal of the electrical pas. If not, do not operate the system until the electrical leakage is found and repaired.
一14-
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