49
RTAA-IOM-3
E. Horizontal portions of the suction
lines must be downward sloping to the
compressors. Suction lines must be
insulated.
F. Install an inverted trap in the liquid
line when the evaporator is on a lower
plane than the outdoor unit. The apex
of the trap should be at a height above
the top of the condenser coils. See
Figure 27.
G. Install a suction line trap at the
evaporator when the evaporator is on a
lower plane than the outdoor unit. See
Figure 27.
H. The evaporator MUST be matched
with its respective outdoor unit. The
nameplate on the evaporator will have
a serial number that is matched to the
outdoor unit’s serial number. See
Figure 7.
Also the circuits on the outdoor unit
must match the circuits on the
evaporator (I.E. circuit #1 on the
outdoor units must be connected with
circuit #1 on the evaporator).
Caution: If the circuits are crossed,
serious equipment damage may
occur.
See Figure 30 for circuit number
identification.
Figure 28
Restricted Installation –
Evaporator is on a Higher Plane
than the Outdoor Unit
Figure 29 – Restricted Installation -
Suction Line is More Than 1’8"
Above Base of Outdoor Unit
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