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Installation Mechanical
Unit Leveling
Note: The electrical panel side of the unit is designated as the "front" of the unit.
1. Check unit level end-to-end by placing a level on the top surface of the evaporator shell.
2. If there is insufficient surface available on the top of the evaporator shell, attach a magnetic
3. Place the level on the evaporator shell tube sheet support to check sideto- side (front-to-back)
Note: The evaporator MUST be level for optimum heat transfer and unit performance.
4. Use full-length shims to level the unit.
Water Piping
Piping Connections
Equipment Damage!
To prevent equipment damage, bypass the unit if using an acidic flushing agent.
Make water piping connections to the evaporator and condenser. Isolate and support piping to
prevent stress on the unit. Construct piping according to local and national codes. Insulate and
flush piping before connecting to unit.
Use grooved pipe connectors for all water piping connections. Evaporator and condenser wa-
ter inlet and outlet sizes and locations are shown by the unit submittals and in Dimensions. The
designation in the tables corresponds to the compressor frame code followed by the evaporator
shell code followed by the condenser shell code as given in the unit model number, digits 6, 7,
14, 15, 21 and 22.
Reversing Water Boxes
All water boxes may be reversed end-for-end. Do not rotate water boxes. Remove the sensors
from the wells before removing the water box. Complete the water box switch and replace the
sensors. See
If the water boxes are reversed, be sure to properly rewire the water temperature sensors in the
control panel.
Note: Be certain to replace water boxes right-side-up to maintain proper baffle orientation. Use
42
level to the bottom of the shell to level the unit. The unit should be level to within 1/4" (6.35
mm) over its length.
level. Adjust to within 1/4" (6.35 mm) of level frontto- back.
Table 15
Dimensions
for correct orientation of the water inlet and outlet.
new o-rings.
D CAUTION
gives additional water connection information.
RTHD-SVX04K-EN
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