Installation Mechanical
36 RTHD-SVX01K-EN
Thermal Insulation
All Optimus™ units are available with optional factory
installed thermal insulation. If the unit is not factory
insulated, install insulation over the areas shaded in
Figure 18, p. 36. See Table 9 for types and quantities of
insulation required.
Notes:
• Liquid line filter, refrigerant charging valves, water
temperature sensors, drain and vent connections
when insulated must remain accessible for service.
• Use only water-base latex paint on factory-applied
insulation. Failure to do so may result in insulation
shrinkage.
• Units in environments with higher humidity or very
low leaving water temperature may require thicker
insulation
Figure 18. Typical RTHD insulation requirement
Table 9. Recommended insulation types
Location Type Sq. Feet
Evaporator 3/4” wall 90
Compressor 3/4” wall 25
All components and piping on low side of
system (gas pump, return oil line, filter
from pump)
3/4” wall 160
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