Johnson Controls ZY Series - Page 26

Table 8: Control Wire Sizes
Wire size
Maximum length (ft)
1
20 AWG < 150
18 AWG 150 to 250
16 AWG 250 to 500
Note:
1. From the unit to the thermostat and back
to the unit.
INSTALLATION MANUAL ZY SERIES 3-10ton 60 Hertz R-410A26
Johnson Controls Ducted Systems