AAON RQ NextGen Series, Установка, эксплуатация и обслуживание

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Figure 19 - Back View of Power Switch from Control Compartment
Size supply conductors based on the unit
MCA rating. Supply conductors must be
rated a minimum of 75°C (167 ° F).
Protect the branch circuit in accordance with
code requirements. The unit must be
electrically grounded in accordance with
local codes, or in the absence of local codes,
the current National Electric Code,
ANSI/NFPA 70 or the current Canadian
Electrical Code CSA C22.1.
Note: All units are factory wired for 208V,
230V, 380V, 460V, or 575V. The
transformer configuration must be checked
by a qualified technician prior to service,
especially if unit is to be connected to a 208V
or 230V supply. For 208V service
interchange the yellow and red conductor on
the low voltage control transformer.
Red-Black for 208V
Yellow-Black for 230V
Wire power leads to the unit’s terminal block
or main disconnect. All wiring beyond this
point has been completed by the
manufacturer and cannot be modified without
affecting the unit’s agency/safety
certification.
Available short circuit current must not
exceed the short circuit current rating
(SCCR) shown on the unit nameplate.
Three phase voltage imbalance will
cause motor overheating and
premature failure.
CAUTION
Utility Entry
Field
Connection
Location