Thermo Pride MODEL OPA - Manual (Page 16)

All installations and services must be performed by qualified service personnel.
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Figure 3: Installation of a Condensate Drainage Line on the Evaporator Coil
Condensate from the evaporator is non-corrosive and may be disposed of in any
appropriate manner. The drain connection should be sealed at the appliance
housing to prevent air leakage from the supply air system. Pipe sealant should
be used sparingly on all male pipe threads. Always consult and conform to the
requirements of local plumbing codes.
E. Oil Tank and Piping
: All local codes and ordinances take precedence with regard to
selection and installation of oil storage tank and oil supply (and return)
lines. In the absence of local codes, all tanks and lines must be selected
and installed according to the instructions in this manual and the Standard
for the Installation of Oil-Burning Equipment, NFPA 31-1997, or the latest
edition.
1. The use of black steel pipe and malleable iron fittings is recommended for
all fuel oil service lines. Never use galvanized steel piping or fittings
for any fuel oil lines.
2. Where practical, provide rigid supports for the piping.
3. If the piping size in a run must be reduced, use reducing couplings only.
Avoid the use of reducing bushings.
4. Remove all pipe thread burrs and inspect the pipe for dirt or other foreign
material prior to connecting. If present, remove any deposits in the piping
and discard any excessively corroded piping.