Connect The Cable To The Indoor Unit - Panasonic SDC07 3E5-Serie Installationshandbuch

Step 3: Vacuum test:
1) Perform Vacuum test to check leak / moisture if present.
2) Refer to section "EVACUATION OF THE EQUIPMENT" to
vacuum gas out of the air conditioning system.
3) Wait for a few hours, depending on the size of the refrigerating
system and monitor the pressure rise.
If the pressure rises until 1 bar absolute, then there is leak.
If the pressure rises, but it is lower than 1 bar absolute, then
moisture is present.
Next, remove the moisture, or repair, and redo the refrigerant leak
testing, starting from "Step 1: Pressure test".
(Low/Gas)
pressure gauge
(High/Liquid) pressure gauge
3
Handle
Vacuum pump
CONNECT THE CABLE TO
6
THE INDOOR UNIT
WARNING
This section is for authorised and licensed electrician only. Work
behind the Control Board Cover 6 secured by screws must
only be carried out under supervision of qualifi ed contractor,
installation engineer or service person.
Open the Control Board Cover 6
Please follow the steps below to open control board cover. Before
opening the control board cover of indoor unit, always switch off all
power supply (i.e. indoor unit power supply, heater power supply
and Tank Unit power supply).
1. Remove the 6 mounting screws at the control board cover.
2. Swing the control board cover to the right hand side.
Screws
2
2
An example illustrations of setup for
refrigerant leak detection.
Screws
Fixing of Power Supply Cord and Connecting Cable
1. Connecting cable between Indoor Unit and Outdoor Unit shall
be approved polychloroprene sheathed 4 x min 4.0 mm
cord, type designation 60245 IEC 57 or heavier cord.
•
Ensure the colour of wires of Outdoor Unit and the terminal
no. are the same to the Indoor Unit respectively.
•
Earth wire shall be longer than other wires as shown in the
fi gure for the electrical safety in case of the slipping out of the
cord from the Holder (Clamper).
2. An isolating device must be connected to the power supply
cable.
•
Isolating device (disconnecting means) should have minimum
3.0 mm contact gap.
•
Connect the approved polychloroprene sheathed power
supply 1 cord and power supply 2 cord and type designation
60245 IEC 57 or heavier cord to the terminal board, and to
the other end of the cord to isolating device (Disconnecting
means). See below table for cable size requirement.
Power Supply
Cable Size
Cord
1 3 x min 4.0 mm
2 3 x min 4.0 mm
3. To avoid the cable and cord being damaged by sharp edges, the
cable and cord must be passed through a bushing (located at
the bottom of Control Board) before terminal board. The bushing
must be used and must not be removed.
Terminals on the Outdoor Unit
Colour of wires (Connecting cables)
Terminals on the Indoor Unit L N
(Power Supply Cord)
Terminals on the isolating
L N
devices from power supply
(Disconnecting means)
Power Supply 1
Terminal Board
*1
Holder (Clamper)
Connecting Cable
Terminal screw Tightening torque cN•m {kgf•cm}
M4
M5
*1 - Earth wire must be longer than other cables for safety reasons
WIRE STRIPPING AND CONNECTING REQUIREMENT
Wire stripping
Indoor/outdoor
connecting
terminal board
No loose strand
when insert
Conductor Conductor
fully insert over insert
ACCEPT PROHIBITED
2
fl exible
Isolating Recommended
Devices RCD
2 30A 30mA, 2P, type A
2 30A 30mA, 2P, type A
1 2
L N 1 2
1 1
Indoor Unit/
L N
1 1
Outdoor Unit
connection
Power Supply 2
RCCB/ELCB
*1
Power Supply Cord
157~196 {16~20}
196~245 {20~25)
5mm or
more
(gap between
wires)
Conductor not
fully insert
PROHIBITED
3
3
7