Panasonic U-8MF1E8 Instrucciones De Instalación página 18

Necessity of setting changes by combination of each method
Type of combination: Necessity of setting
Method 1 only: Setting is unnecessary.
Method 2 included: Setting up in common use of a solenoid valve kit from "Remote Control" is necessary. *
* Method 2 only is set.
* Method 3 excluded
Method 3 included: Setting up in common use of a solenoid valve kit from "Remote Control" is necessary. *
* Setting all connected indoor units
*1: Refer to "Test Run" for setting instructions.
Please note the following system example is prohibited and avoid the following connection.
Solenoid
valve kit
Indoor unit Indoor unit Indoor unit Indoor unit
Remote Remote Remote
controller controller controller
System 1 System 2
Solenoid Solenoid
valve kit valve kit Indoor unit Indoor unit
Remote
controller
How to connect wiring to the terminal
■ For stranded wiring
(1) Cut the wire end with cutting pliers,
then strip the insulation to expose
Stranded wire
the stranded wiring about 10 mm and
tightly twist the wire ends. (Fig. 4-5)
Ring
pressure
(2) Using a Phillips head screwdriver,
terminal
remove the terminal screw(s) on the
terminal plate.
(3) Using a ring connector fastener or
pliers, securely clamp each stripped
wire end with a ring pressure terminal.
(4) Place the ring pressure terminal,
and replace and tighten the removed
terminal screw using a screwdriver.
Fig. 4-5
(Fig. 4-6)
SUPPLEMENT
1
1
Solenoid
valve kit
Indoor unit
Method 3 individual control
is possible and group wiring
Remote
should be made by other
controller
solenoid valve kit.
Group wiring should be made
by different type of refrigerant.
Special
Screw
washer
Screw and Ring pressure
Special washer
terminal
Terminal plate
Wire
Ring
pressure
terminal
Wire
Fig. 4-6
31
■ Examples of shield wires
(1) Remove cable coat not to scratch braided shield. (Fig. 4-7)
(2) Unbraid the braided shield carefully and twist the
unbraided shield wires tightly together. Insulate the shield
wires by covering them with an insulation tube or wrapping
insulation tape around them. (Fig. 4-8)
(3) Remove coat of signal wire. (Fig. 4-9)
(4) Attach ring pressure terminals to the signal wires and the
shield wires insulated in Step (2). (Fig. 4-10)
■ Wiring sample
1.
Use this screw when connecting
to ground for the unit inter-unit
control wiring.
Earth
Inter-unit Control Wiring
Power Supply
3.
Use this screw when connecting
to ground for the unit inter-unit
control wiring.
Clamper *
Earth
(Field supply)
Power Supply
Inter-unit Control Wiring
* Remove the attached resin fixture.
Then lead the clamper (field supply) through the screw
hole and fix the power supply wire.
Fig. 4-7
Insulation tape Shield mesh
Fig. 4-8
Insulation tape Shield mesh
Fig. 4-9
Fig. 4-10
2.
Use this screw when connecting
to ground for the unit inter-unit
control wiring.
Earth
Power Supply Inter-unit Control Wiring
Use this screw when
4. connecting to ground
for the inter-outdoor
Use this screw when
unit control wiring.
connecting to ground
for the unit inter-unit
control wiring.
Clamper *
(Field supply) Earth
Inter-outdoor unit
Power Supply Control Wiring
Inter-unit Control Wiring
Clamper *
(Field supply)
* First remove the attached resin fixture.
Then lead the clamper (field supply) through the screw hole and
square hole from top to bottom or vice versa.
Finally fix each inter-outdoor unit control wire and the inter-unit
control wire separately with the clamper (field supply).
32