Figure 17: 1RC0457, 1RC0459 Roof Curb Dimensions
Table 7: Unit Models used with 1RC0457, 1RC0459
Roof Curb
• ZY07
• ZYA7
• ZY08
• ZY09
• ZY12
Note: If utilities are required through the
base of the unit or through the roof curb the
following field installed accessories can be
purchased through your dealer or contractor:
1TB0401 - through the base electrical and
through the curb gas
1TB0403 - through the base electrical and gas
INSTALLATION MANUAL ZY SERIES 3-10ton 60 Hertz R-410A22
Johnson Controls Ducted Systems
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