Johnson Controls R SERIES Installation And Maintenance Manual page 47

For the units: 48k
Floor Ceiling Type Unit:
. The power cord and the wire of the fresh air valve are high-voltage, while the communication cord and connection
wire of the wired zone controller are low-voltage. They should run separately against electromagnetic interference.
8. The high-voltage and low-voltage lines should pass through the rubber rings at different electric box covers.
9. Do not bundle the connection wire of the wired zone controller and the communication cord together, or arrange
them in parallel, otherwise improper operation would occur.
L1
L2
Figure 3-4-6
Electric box cover
Figure 3-4-7
39
1 2 H1 H2
L1 L2
H1 H2
1 2