Plumbing Requirements
All models require connection to cold, potable
water. A hand actuated valve within sight of the
machine is required. Air cooled models have a
single 3/8” FPT inlet water connection. Water
cooled models have the same inlet fitting plus an
additional 3/8” FPT condenser inlet water
connection.
Water Filters
If connecting to water filtration, filter only the water
to the reservoir, not to the condenser. Install a new
cartridge if the filters were used with a prior
machine.
All models require drain tubing to be attached to
them. Air cooled models have a single ¾” FPT
drain fitting in the back of the cabinet. Water cooled
models have the same fitting plus an additional ½”
FPT drain fitting in the back of the cabinet.
Install new tubing when replacing a prior ice
machine, as the tubing will have been sized for the
old model and might not be correct for this one.
1.
Connect water supply to water inlet fittings.
3/8" OD tubing is recommended.
Note: This NSF listed model has a 1" anti-back flow
air gap between the float valve orifice and the
highest possible reservoir water level, no back flow
device is required for the potable water inlet.
2.
Connect drain tubing to drain fittings.
3.
Route the drain tubing to building drain. Follow
local codes for air gap.
Drain Tubing:
Use rigid drain tubes and route them separately –
if water cooled, do
not
Tee the condenser drain
into the reservoir or bin drain.
Vent the reservoir drain. A vertical vent at the back
of the drain, extended about 8 - 10" will allow the
gravity drain to empty and also keep any surges
during draining from discharging water out the
vent..
Horizontal runs of drain tubing need a ¼” fall per
foot of run for proper draining.
Follow all applicable codes.
May 2008
Page 8
CU1526, CU2026, CU3030
Service Manual
Air Cooled Model Plumbing Connections
Water Cooled Plumbing Connections
Water Cooled
Drain Location
Bin Drain
Connection
Potable
Water
Connection
Water Inlet
Drain
Tubing
Floor Drain
Water Filter (if used)
Shut off valve
Water Cooled
Supply Location
