Panasonic CS-E15DKDW / CU-E15DKD / CS-E18DKDW / CU-E18DKD / CS-E21DKDS / CU-E21DKD Service Manual ▷ View online
3. For the embedded piping
(This can be used for left rear piping & left bottom piping also.)
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CS-E15DKDW CU-E15DKD / CS-E18DKDW CU-E18DKD / CS-E21DKDS CU-E21DKD
12.2.5. CONNECT THE CABLE TO THE
INDOOR UNIT
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 4 × 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).
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CS-E15DKDW CU-E15DKD / CS-E18DKDW CU-E18DKD / CS-E21DKDS CU-E21DKD
INSTALLATION OF SUPER ALLERU-BUSTER FILTER
1. Open the front panel.
2. Remove the air filter.
3. Remove Supersonic air purifying device.
4. Open the Supersonic air purifying device frame.
5. Insert the super alleru-buster filter and close the Supersonic
air purifying device frame as show in illustration at right.
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.
AUTO SWITCH OPERATION
Please follow the steps below to take out front grille if necessary such as when servicing.
1. Open the intake grille.
2. Set the vertical airflow direction louvers to the horizontal position.
3. Slide down the 3 caps on the front grille as shown in the illustration below, and then remove the 3 mounting screws.
4. Pull the lower section of the front grille towards you to remove the front grille.
The below operations will be performed by pressing the “AUTO” switch.
1. AUTO OPERATION MODE
The Auto operation will be activated immediately once the 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. A “beep” sound will
occur at the fifth sec., in order to identify the starting of Test Run operation
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 following step:
a. Release the Auto Switch after Test Run operation is activated.
b. Then, within 20 sec., after a., press Auto Switch for more than 5 sec.
A “beep” “beep” sound will occur at the fifth sec., then release the Auto Switch.
c.
Within 20 sec. after b., press Auto Switch again. Everytime Auto Switch is pressed (within 20 sec. interval), remote
controller receiving sound status will be reversed between ON and OFF.
controller receiving sound status will be reversed between ON and OFF.
Long “beep” sound indicates that remote controller receiving sound is OFF.
Short “beep” sound indicates that remote controller receiving sound is ON.
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CS-E15DKDW CU-E15DKD / CS-E18DKDW CU-E18DKD / CS-E21DKDS CU-E21DKD
• 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.
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.
MODEL
Piping size (Torque)
Gas
Liquid
E18DK, E21DK
1/2” (55 N.m)
1/4” (18 N.m)
12.3. Outdoor Unit
12.3.1. SELECT THE BEST LOCATION
(Refer to “Select the best location” section)
12.3.2. INSTALL THE OUTDOOR UNIT
12.3.3. CONNECTING THE PIPING
Connecting The Piping To Outdoor Unit
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.
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