Reznor R8HE Unit Installation Manual - Manual (Page 46)

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FROST
LINE
3"
2" - 3" ROCK BASE
BELOW 2” PVC PIPE
12" - 14"
OR GREATER
4" - 6" OR DEEPER
BACK
FILL
ROCK/DIRT
MIXTURE
ROCK BASE
GRADE LEVEL GRADE LEVEL
2” PAD
OUTER 2” PVC PIPE
(FIELD SUPPIED)
DRAIN HOSE TO END
OF 2” PVC CLEARANCE
DRAIN HOSE
& INSULATION
JOINT
A
JOINT B
JOINTS A & B CAN BE MECHANICALLY FASTENED
USING STANDARD 1/2” LONG SCREWS. THIS WILL
MAKE DISASSEMBLY EASIER FOR FUTURE CLEANING
OR INSPECTION OF THE VENT AND DRAIN SYSTEM.
Figure 22. Condensate Disposal Using A Vertical Drainage Pit
30" - 36"
OR GREATER
3"
3"
2" - 4"
4" PIPE
DRAIN
BACK FILL
ROCK
ROCK BASE (SEE NOTE)
GRADE LEVEL
2” PAD
GRADE LEVEL
NOTE: SLOPE 1” / 12” IF POSSIBLE FOR TRENCH AND 1/4” - 1/2” / 12” FOR 4” PIPE.
CLOSE OFF END OF 4” PIPE
WITH PLASTIC CAP, END OF
FILTRATION SLEEVE, OR
PERMEABLE BARRIER MATERIAL.
JOINT
A
JOINT B
JOINTS A & B CAN BE MECHANICALLY FASTENED
USING STANDARD 1/2” LONG SCREWS. THIS WILL
MAKE DISASSEMBLY EASIER FOR FUTURE CLEANING
OR INSPECTION OF THE VENT AND DRAIN SYSTEM.
Figure 23. Condensate Disposal Using A Horizontal Drainage Trench