AIR COOLED SCROLL CHILLER INSTALLATION
27
Note：
1) use the 4 cores communication wires to connect each modules between X2,X3.use a 2 cores
（2×1mm
2
） signal wires to connect the terminal 34,35 between each modules. Refer to the
diagram shown above.
2) use a 2 cores（2×1mm2） signal wires to connect the Water flow switch with the Main
module's terminal 34;35. Refer to the diagram shown above.
3) use a 4 cores（4×10mm2~35mm2） wires to connect each module terminal TB1 L1,L2,L3,N
together. Refer to the diagram shown above.
4) use a 2 cores（2×1mm2） wires to connect the pump relay with the Main module
terminalTB4-12;N together. Refer to the diagram shown above.
5) use two 2 cores（2×1mm2） wires to connect the accessorial heater 1 and 2 relay with the
Main module terminalTB4-（N.8）;(N.11) respectively. Refer to the diagram shown above.
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