Code Setting - Carrier XCT7 Installations- Und Benutzerhandbuch

Electrical Wiring
The combination of multiple indoor units can be controlled by wired controller or remote controller.
*Switching Mode of Line-Controlled Main Unit/ Line-Controlled Sub Units /
Setting Mode
Socket/Dip switch
SW01-[1][2][3][4]
CN21 Socket
Terminal Block
(Control)
Note: 40VL007~012R-7G-QEEmodels are set to wired controlled type before delivery
The wiring for the power line of indoor and outdoor unit.
Items Cross
Section
(mm2)
Total
Current of
Indoor Units(A)
(10 2
>10 and <15
3.5
>15 and <22 5.5
>22 and <27 10
• The electrical power line and signal lines must be fastened tightly.
• Every indoor unit must have the ground connection.
• The power line should be enlarged if it exceeds the permissible length.
• Shielded lays of all the indoor and outdoor units should be connected together, with the shielded lay at the side
of signal lines of outdoor units grounded at one point.
• The total length of the signal line must not exceed 1000m.
Signal Wiring of Wired controller
Length of Signal Line (m)
≤ 250
• The shielding lay of the signal line must be grounded at one end.
• The total length of the signal line should not be more than 250m.

Code setting

In the following table, 1 is ON, 0 is OFF.
SW01 is used for indoor unit group control address setting and capacity selection. CN44,CN42,CN43 are used for
indoor unit type selection. CN41 is used for addressing by wired controller. SW03 is used for indoor unit address set-
ting (including physical address and central address). SW07 is used for running mode setting. J1-J8 are used for fan
motor setting.
Remote-Controlled Types can be used for switching over *
Master Remote Wired
Controller
All OFF
Null
A,B,C connect with Wireless
Remote Controller
Length Rated
(m) Current of
Overflow
Breaker(A)
20 20
25 30
30 40
40 50
Wiring Dimensions
0.75mm xcore shielding line
2
1# Remote Wired
Controller
[0][0][0][1]
Null
B,C connect with Wireless
Remote Controller
Rated Current of Power
Leakage Breaker (A)
Leaking Current(mA)
Operating Period (S)
20 A,30 mA,0.1S or below
30 A,30 mA,0.1S or below
40 A,30 mA,0.1S or below
50 A,30 mA,0.1S or below
16
Wireless Remote Controller
All OFF
Connect to remote receiver
A,B,C Null
Cross Sectional
Area of Signal Line
Outdoor-indoor Indoor-indoor
(mm ) (mm
2
2 cores x 0.75-2.0 mm
shielded lin
)
2
2