FOR THE PLUMBER
CONFORM TO ALL APPLICABLE CODES
Water Inlet
Air Cooled Models:
Connect a clean, potable
and cold water supply to the
3
8
” male flare at the
back of the cabinet. Install a hand valve near the
machine to control the water supply. Use
3
8
“ O.D.
copper tubing.
Water Treatment:
In most areas, a water filter of
some type will be useful. In areas where the water
is highly concentrated with minerals the water
should be tested by a water treatment specialist,
and the recommendations of the specialist
regarding filtration and/or treatment should be
followed.
Water Cooled Models:
Connect a separate
3
8
“
O.D. copper line, with a separate hand valve to
control it, to the
3
8
” FPT condenser inlet at the
back of the cabinet. The water pressure to all lines
must always be above 20 psig, and below 120
psig.
Drains
Air Cooled Models:
Connect a drain tube to the
one
3
4
“ FPT drain fitting (plastic) at the back of the
cabinet, the drain line is of the gravity type, and
1
4
inch per foot fall is an acceptable pitch for the
drain tubing. There should be a vent at the
highest point of the drain line, and the ideal drain
receptacle would be a trapped and vented floor
drain. Use only
3
4
” rigid tubing.
Water Cooled Models
: In addition to the above
mentioned drain, a separate condenser drain line
must be installed. Connect it to the ½ " condenser
drain connection at the back of the cabinet.
NDE754
March 2000
Page 4
INLET WATER
VENTED
DRAIN
OPTIONAL
WATER
FILTER
SHUT OFF VALVE
FLOOR DRAIN
WATER COOLED
CONDENSER
WATER INLET
CONDENSER
DRAIN
