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4
Water Supply Requirements
Check that the water supply lines are insulated against freezing
conditions. Ice formations in the supply lines can increase water
pressure and damage your ice maker or home. Damage from
frozen supply lines is not covered by the warranty.
A cold water supply with water pressure of between
30 and 120 psi (207 and 827 kPa) is required to operate the ice
maker. If you have questions about your water pressure, call a
licensed, qualied plumber.
Reverse Osmosis Water Supply
IMPORTANT:
■ Connect to potable water only.
■ The pressure of the water supply coming out of a reverse
osmosis system going to the water inlet valve of the ice maker
needs to be between 30 and 120 psi (207 and 827 kPa).
If a reverse osmosis water ltration system is connected to your
cold water supply, the water pressure to the reverse osmosis
system needs to be a minimum of 40 to 60 psi (276 to 414 kPa).
NOTE: The reverse osmosis system must provide 1 gal. (3.8 L) of
water per hour to the ice maker for proper ice maker operation. If
a reverse osmosis system is desired, only a whole-house capacity
reverse osmosis system, capable of maintaining the steady
water supply required by the ice maker, is recommended. Faucet
capacity reverse osmosis systems are not able to maintain the
steady water supply required by the ice maker.
If the water pressure to the reverse osmosis system is less than
40 to 60 psi (276 to 414 kPa):
■ Check to see whether the sediment lter in the reverse
osmosis system is blocked. Replace the lter if necessary.
■ Allow the storage tank on the reverse osmosis system to rell
after heavy usage.
If you have questions about your water pressure, call a licensed,
qualied plumber.
Drain Connection Requirements
Gravity Drain System
Connect the ice maker drain to your drain in accordance with all
state and local codes and ordinances. If the ice maker is provided
with a gravity drain system, follow these guidelines when
installing drain lines. This will help keep water from owing back
into the ice maker storage bin and potentially owing onto the
oor, causing water damage.
■ Drain lines must have a minimum of 5/8" (15.88 mm) I.D.
(inside diameter).
■ Drain lines must have a 1" drop per 48" (2.54 cm drop per
122 cm) of run or 1/4" drop per 12" (6.35 mm per 30.48 cm) of
run and must not have low points where water can settle.
■ The oor drains must be large enough to accommodate
drainage from all drains.
■ The ideal installation has a standpipe with a 1¹⁄
2
" (3.81 cm) to
2" (5.08 cm) PVC drain reducer installed directly below the
outlet of the drain tube as shown. You must maintain a 1"
(2.54 cm) air gap between the drain hose and the standpipe.
■ Do not connect the outlet end of the drain tube to a closed
pipe system to keep drain water from backing up into the ice
maker.
IMPORTANT: A drain pump is necessary when a oor drain is not
available. A Drain Pump kit, Part Number 1901A, is available for
purchase.
Side View
Drain Pump System (on some models)
IMPORTANT:
■ Connect the ice maker drain to your drain in accordance with
the International Plumbing Code and any local codes and
ordinances.
■ The drain pump discharge line must terminate at an
open-site drain.
■ Maximum rise 10 ft (3.1 m)
■ Maximum run 100 ft (30.5 m)
NOTES:
■ If the drain hose becomes twisted and water cannot drain,
your ice maker will not work.
■ It may be desirable to insulate the drain line thoroughly
up to the drain inlet. An Insulation Sleeve kit, Part Number
W10365792, is available for purchase.
■ Do not connect the outlet end of the drain tube to a closed
pipe system to keep drain water from backing up into the ice
maker.
■ Drain pump maximum capability: For every 1 ft (0.31 m) of
rise, subtract 10 ft (3.1 m) of maximum allowable run.
Do not use with water that is microbiologically unsafe or
of unknown quality without adequate disinfection before
or after the system. Systems certified for cyst reduction
may be used on disinfected waters that may contain
filterable cysts.
A
D
C
B
A. Drain hose
B. 1" (2.54 cm) air gap
C. PVC drain reducer
2"-1½" (5 cm - 3.8 cm)
D. Center of drain should be 23" (58.4 cm) from
front of door, with or without the 3/4"
(1.91 cm) panel on the door. The drain should
also be centered from left to right (7
5
/
16
"
[18.56 cm] from either side of the ice maker).
1
7
/
8
"
(4.8 cm)
23"
(58.4 cm)
1" (2.54 cm)
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