Daikin FHYC40JEVLK [23/32] English
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Daikin FHYC40JEVLK [23/32] English

Daikin RYD30JEVLK [23/32] English
1-21
English
OPTIONAL FUNCTIONS
Short Duct SpeciÀ cation
The indoor unit is provided with air discharge and air intake “knock-out” hole for duct connection. However the connection
of the short duct for air discharge is possible on only one side.
The use of short duct for air discharge will improve airflow distribution if there is an obstruction (such as a lighting fixture)
or in a long, narrow room or an L-shaped room. It also use for air conditioning of two rooms simultaneously.
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•
Possible Direction For Air Discharge And Air Intake
Possible Opening Dimension For Duct Connection
NOTE
Avoid using the short duct on which the air discharge grille can be completely closed, to prevent evaporator
freezing.
In order to prevent condensation forming, be sure that there is sufficient thermal insulation and no leakage of cool air
when installing the short duct.
Keep the introduction of fresh air intake within 20% of total air Á ow. Also provide a chamber and use a booster fan.
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•
•
Sealing Material
It is possible to seal one of the four air discharge outlet. (sealing two or more air discharge outlet could cause a
malfunction)
Remove the front panel and insert the sealing material into the air discharge outlet on the indoor unit to seal the air
outlet.
The sealing material is the same length as the longer air discharge outlet. If it is desired to seal the shorter air discharge
outlet, cut the sealing material to shorten it.
Push the sealing material in about 10mm beyond the bottom surface of the indoor unit so that it does not touch the air
louver. Be sure not to push the sealing material in any farther than about 10mm.
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•
•
•
There are many ways of charging liquid in a “controlled manner” into the
suction side:-
Use valve A on the manifold gauge set
Use the valve on the refrigerant cylinder
Charge through a Shredder valve
Use a hose with a Shredder valve depressor
Charge into the suction side at some distance from the compressor
All of the above
1.
2.
3.
4.
5.
6.
Charging procedures – Three phase compressors
The fundamental procedure is the same as for single phase models but the compressor can run in the wrong direction on
starting.
If this happens reverse any two phases and start again. Short term reverse rotation will not damage the compressor.
All Specter compressors have internal discharge temperature protectors which are very effective in preventing dangerously
high discharge temperatures during charging. The protection module will trip and lock the compressor out for 30 minutes.
It is not normally necessary to wait 30 minutes for the module to reset. When the compressor has cooled down the module
can be reset by breaking the power supply to the control circuit. Very often the serviceman does not understand why the
module tripped and uses a jumper wire to bypass it. He continues to charge the system and removes the jumper when
charging is complete. The compressor may or may not run with the protector back in the circuit but it is certain that the
compressor has been damaged and premature failure is inevitable.
2.
Air DischargeAir Discharge
Air Discharge Air Discharge
Air Intake
Air Discharge Knock Out Hole
Air Intake Knock
Out Hole
10
50 50 50 50 50 10
207020
90
Ø100
PCD Ø140
115 20 115
A
EN CKE-0911(0)DK(saso).indd 21 12/6/11 3:05:11 PM

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