16
Figure 3-10
Typical Drain Layout
1" CLEARANCE
MINIMUM
DRAIN LINE
DRAIN
F. Free Air Vented Drain Line
NOTICE:
Furnishing and installing drain lines and drainpipe is the responsibility of the Installer/Owner.
The following restrictions and requirements are critical to the safety of personnel and
equipment, and must not be violated under any circumstances:
1. The drain lines must be installed in compliance with the
Food Code
(latest edition) of the Food and
Drug Administration (FDA), and any other applicable national, state, or local codes and regulations.
2. The drain line must be free air vented, have gravity flow from the appliance, and terminate
outside the perimeter of the appliance.
3. Free air venting requires a minimum 1” clearance between the end of the drain line and the top of
the floor drain. See Figure 3-10.
4. Do NOT install the appliance directly over a drain. Steam rising up out of the drain will adversely
affect operation, hamper cooling air circulation, and damage electrical and electronic components.
5. Do NOT connect the appliance’s drain connection to any drain material that cannot sustain 180
o
F.
6. Do NOT connect any other drain from any other equipment to the drain line of this appliance.
7. Do NOT connect the drain outlet extension line directly into a floor drain or a sewer line.
8. Do NOT connect this appliance’s drain directly to drains or to the plumbing of any other equipment.
9. Do NOT install a trap or shutoff in the drain line.
10.
Drainpipe Size and Length Guidelines:
•
Do NOT make a drainpipe outlet
extension more than 12 feet long.
•
Do NOT use more than three elbows.
•
Up to 6’ pipe:
1 1/2-inch pipe and fittings
are acceptable.
•
Up to 2 elbows:
1 1/2-inch pipe and fittings
are acceptable.
•
6’ to 12’ pipe:
2-inch pipe and fittings are
required.
•
3 elbows on any extension:
2-inch pipe
and fittings are required.
11. Refer to spec sheet and fig. 3-10. Connect the
drain to the appliance.
a. While assembling the pipes and fittings of
the drain outlet extension, use non-
hardening pipe thread sealant.
b. Thread fittings together FINGER TIGHT
ONLY! DO NOT USE A WRENCH!
DEATH, INJURY, EQUIPMENT and PROPERTY DAMAGE
will result from improper installation of drain outlet lines.
Install free air vented drain lines as described in this manual.
