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CHAPTER 5 SETTINGS AND THE PROCEDURE BEFORE OPERATION
5
5.4 Wiring
5.4.2 External wiring
(b) In the heating-cooling control
*1 Use the shielded cable.
Heating
L1H
L1C
Filter
Filter
Controlled
object
A
B
b
*1
*1
*1
*1
*1
Q64TCRTN
Internal
circuit
Internal
circuit
Internal
circuit
L2H
COM-
*1
24VDC
Internal
circuit
L2C
Internal
circuit
Cooling
CH1 A
CH1 B
CH2 A
CH2 B
CH2 b
CH1 b