Carrier XCT7 40VCC837FQEE Installationshandbuch Seite 59

Wiring diagram and Installation
All the communication of 485 cables between each module and terminal module to the central controller are
double core shielded twisted-pair cables. Specific wiring dimensions are mentioned in the table below:
The length of signal line
≤100
100<x≤200
200<x≤300
300<x≤400
400<x≤500
Installation conditions
• Do not install near devices that produce electrical interference such as AC motors, radio transmitters
like network routers and consumer electronics.
• Other electrical noise producers could include computers, auto-door openers, elevators, or other
equipment which can produce noise.
• Do not install in wet locations.
• It will cause failure if you install it in a place that shakes violently.
• Do not install in a place where it is exposed to direct sunlight or near to the heat. This will cause
failure.
Mounting Control
First, attach the mounting plate to the wall.
Using a job box is preferred. Use A and B
holes for a 86mm box, use C and D holes for
a 120mm box. Please take note of the UP
indicator.
Wiring dimension
2
0.3 mm ×2
2
0.5mm ×2
0.75mm 2 ×2
2
1.25mm ×2
2
2mm ×2
A
51
C
B
D