Heating Coils; Chilled Water Coil; Table 12 - Steam Coil Connection Sizes; Table 13 - Hot Water Coil Connection Sizes - AAON RN SERIES Installation Operation & Maintenance

Heating Coils

One or two row hot water and steam heating
and preheating coils can be factory installed.
All valve controls for heating operation are
field supplied and field installed. Hot water
and steam coil connections are spun copper
tube.
Water coils should not be subjected to
entering air temperatures below 38°F to
prevent coil freeze-up. If air temperature
across the coil is going to be below this
value, use a glycol solution to match the
coldest air expected.

Table 12 - Steam Coil Connection Sizes

Model (RN-)
011, 013, 016-025 and
030

Table 13 - Hot Water Coil Connection Sizes

Model (RN-)
011, 013
016, 018, 020, 025, 030

Chilled Water Coil

Four or six row chilled water cooling coils
can be factory installed. All valve controls
for cooling operation are field supplied and
field installed.
connections are spun copper tube.
Table 14 - Chilled Water Coil Connection
Sizes
Model (RN-)
011, 013
016, 018, 020, 025, 030
50
Steam Coil
Connection Size
2 1/8"
Hot Water Coil
Connection Size
1 3/8"
1 5/8"
Chilled water coil
Chilled Water
Coil Connection
Size
1 5/8"
2 1/8"
WARNING
Piping shall be in accordance with
national and local codes. Pressure
limiting devices, backflow preventers
and all other safety requirements are
the sole responsibility of the installing
contractor.
CAUTION
Installing Contractor is responsible
for proper sealing of the water piping
entries into the unit Failure to seal the
entries may result in damage to the
unit and property.