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3. For the embedded piping
(This can be used for left rear piping & left bottom piping also.)
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1. The inside and outside connecting cable can be connected
without removing the front grille.
2. Connecting cable between indoor unit and outdoor unit
shall be approved polychloroprene sheathed 3 (PC9CK,
PC12CK, SC9CK, SC12CK, E720K, E920K, E1220K) × 1.5
mm
PC12CK, SC9CK, SC12CK, E720K, E920K, E1220K) × 1.5
mm
2
flexible cord, type designation 245 IEC 57 or heavier
cord.
•
•
•
• Ensure the color of wires of outdoor unit and the
terminal Nos. are the same to the indoor’s respectively.
•
•
•
• Earth lead wire shall be longer than the other lead wires
as shown in the figure for the electrical safety in case of
the slipping out of the cord from the anchorage.
the slipping out of the cord from the anchorage.
•
•
•
• Secure the cable onto the control board with the holder
(clamper).
HOW TO TAKE OUT FRONT GRILLE
When reinstalling the front grille, first set the vertical
airflow direction louver to the horizontal position and
then carry out above steps 2 - 3 in the reverse order.
airflow direction louver to the horizontal position and
then carry out above steps 2 - 3 in the reverse order.
11.2.5. CONNECT THE CABLE TO THE INDOOR UNIT
Please follow the steps below to take out front grille if necessary such as when servicing.
1. Set the vertical airflow direction louver to the horizontal position.
2. Slide down the two caps on the front grille as shown in the illustration below, and then remove the two mounting screws.
3. Pull the lower section of the front grille towards you to remove the front grille.
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AUTO SWITCH OPERATION
1. AUTO OPERATION MODE
The Auto operation will be activated immediately once the
Auto Switch is pressed.
Auto Switch is pressed.
2. TEST RUN OPERATION (FOR PUMP DOWN/SERVICING
PURPOSE)
The Test Run operation will be activated if the Auto Switch
is pressed continuously for more than 5 sec. to below 10
sec.. A “pep” sound will occur at the fifth sec., in order to
identify the starting of Test Run operation
is pressed continuously for more than 5 sec. to below 10
sec.. A “pep” sound will occur at the fifth sec., in order to
identify the starting of Test Run operation
3. REMOTE CONTROLLER RECEIVING SOUND ON/OFF
The ON/OFF of Remote Controller receiving sound can be
change over by pressing the “AUTO” Switch continuously
for 10 sec. and above. A “pep”, “pep” sound will occur at the
tenth sec., in order to indicate the “ON/OFF” change over of
remote control receiving sound.
change over by pressing the “AUTO” Switch continuously
for 10 sec. and above. A “pep”, “pep” sound will occur at the
tenth sec., in order to indicate the “ON/OFF” change over of
remote control receiving sound.
HOW TO INSTALL WIRED REMOTE CONTROL
•
•
•
• After selecting the best location, start installation according
to Indoor/Outdoor Unit Installation Diagram.
1. Fix the unit on concrete or rigid frame firmly and horizontally
by bolt nut. (ø10 mm).
2. When installing at roof, please consider strong wind and
earthquake. Please fasten the installation stand firmly with
bolt or nails.
bolt or nails.
(PC9CK, PC12CK, E720K, E920K, E1220K ONLY)
The below operations will be performed by pressing the “AUTO” switch.
(SC9CK, SC12CK ONLY)
1. Select the best location.
(Refer to "Select the Best Laction" Section)
2. Install the wired remote control holder to the wall by fixing it with two screws (Refer to"Diagram A").
3. Mount the wired remote control. (Refer to "Diagram B").
Note: Install the remote control less than 1.5m from the unit and within user´s reach. It is reccommended to use the
attached cord holders for good finish when the cord is fixed on a wall or a pillar.
attached cord holders for good finish when the cord is fixed on a wall or a pillar.
11.3. OUTDOOR UNIT
11.3.1. SELECT THE BEST LOCATION
(Refer to “Select the best location” section)
11.3.2. INSTALL THE OUTDOOR UNIT
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11.3.3. CONNECTING THE PIPING
Connecting The Piping To Indoor Unit
Please make flare after inserting flare nut (locate at joint portion
of tube assembly) onto the copper pipe. (In case of using long
piping)
of tube assembly) onto the copper pipe. (In case of using long
piping)
Connect the piping
•
•
•
• Align the center of piping and sufficiently tighten the flare
nut with fingers.
•
•
•
• Further tighten the flare nut with torque wrench in specified
torque as stated in the table.
Connecting The Piping To Outdoor Unit
MODEL
Piping size (Torque)
Gas
Liquid
PC9CK, SC9CK,
E720K, E920K
3/8” (42 N.m)
1/4” (18 N.m)
PC12CK, SC12CK, E1220K
1/2” (55 N.m)
1/4” (18 N.m)
Decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut
(located at valve) onto the copper pipe.
(located at valve) onto the copper pipe.
Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table.
CUTTING AND FLARING THE PIPING
1. Please cut using pipe cutter and then remove the burrs.
2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3. Please make flare after inserting the flare nut onto the copper pipes.
11.3.4. AIR PURGING OF THE PIPING AND INDOOR UNIT
The remaining air in the Refrigeration cycle which contains moisture may cause malfunction on the compressor.
1. Remove the caps from the 2-way and 3-way valves.
2. Remove the service-port cap from the 3-way valves.
3. To open the valve, turn the valve stem of 2-way valve counter-clockwise approx. 90° and hold it there for ten seconds, then
close it.
4. Check gas-leakage of the connecting portion of the pipings.
* For the left pipings, refer to item 4(A).
5. To open 2-way valve again, turn the valve stem counter-clockwise until it stops.
6. To purge the air, push the pin on the service port of 3-way valve for three seconds using with a hexagonal wrench and set it
free for one minute.
•
•
•
• · Repeat this three times.
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