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15” TRUE ICE
®
MACHINE INSTALL GUIDE
TEC_TM_155 | REV. D | EN 09/23/2022
Page 27 of 66
PRIOR TO INSTALLATION
WATER SUPPLY
WARNING! ONLY CONNECT YOUR
ICE MACHINE TO A POTABLE WATER
SUPPLY.
• The ice maker comes with a 1/4” O.D. copper tube
for connecting the water supply. See fig. 1. for water
inlet location.
• Water pressure must be between 20-80 psig (1.4–
5.5 bar). If the water pressure exceeds the maximum
pressure, install a water pressure regulator.
• A reverse osmosis system can be used if there is
constant water pressure of 20-80 psig (1.4-5.5 bar).
• Cold water supply required. Incoming water
temperature must remain 40-100˚F (4.4-7.8˚C).
• Never connect to a hot water supply. Be sure all
hot water restrictors installed for other equipment
are working, such as check valves on sink faucets,
dishwashers, etc.
• Water regulating valve recommended for pressures
higher than 80 psig (5.5 bar). If so desired, installing
a water hammer valve can reduce the noise and
shock from the valve closing.
• Use tight-fitting, leak-proof permanent connections
for the water supply. Soldered connections are
always best. In the absence of soldering, use
compression-type fittings for more reliability.
• While push fittings are acceptable, they are prone to
leaks when installed incorrectly and/or not according
to the manufacturer’s specifications.
• TRUE recommends coiling extra length of supply
hose behind the machine to allow proper servicing
of the unit. See fig. 1.
• Connect the water supply line to the house supply
with an easily accessible shut-off valve in your
installation. See fig. 1.
• Insulate the supply line to prevent condensation.
• When switching to PEX, the tubing must be rated for
150 psi (10.3 bar) burst pressure minimum and
180˚F (82.2˚C).
WATER
TEMPERATURE
WATER PRESSURE
Minimum 40˚F (4.4˚C) 20 psig (1.4 bar)
Maximum 100˚F (37.8˚C) 80 psig (5.5 bar)
PLUMBING MATERIAL
Water Supply • 1/4” O.D. copper
• braided stainless steel
• PEX tubing and compression fittings
(1/4” lines and fittings not provided by
TRUE)
Drain Connection
1/2” O.D. Female NPT Fitting
(see fig. 1.)
W A T E R
INLET
D R A I N
FITTING
C O I L E D E X T R A
SUPPLY HOSE
FOR PROPER
SERVICING
SHUT-OFF
VALVE
T O W A T E R
SUPPLY
FIG. 1.
Example of a water supply installation. Your application may differ.
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