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Before Installing
1. Check the pressure of cold and hot water supply
Make sure the cold water supply pressure is higher or equal to the hot water
supply pressure.
When the water supply pressure is higher than 125PSI (862kPa), be sure to
reduce the pressure within a range of 20 to 80 PSI by using a pressure
reducing valve available in the market.
Optimum working pressure range is from 14.5PSI to 125PSI
(100kPa to 862kPa). Make sure the water pressure is within this range.
2. Check the temperature of hot-water supply
Never use steam as a hot-water supply.
Make sure the temperature range of hot-water supply is within 140 to
185
o
F(60 to 85
o
C).
This is not mandatory for the lower limit but is recommended.
The Automatic Faucet does not discharge hot water exceeding 122
3. Piping
Flush all water lines prior to installation.
4. Others
Pay special attention so that the sensor surface is not flawed or scratched.
Prepare stop valve and flexible hose or copper tube.
Do not place other devices using inverter or infrared sensor near the
Automatic Faucet, this may cause malfunction.
There is no problem with the Automatic Faucet if the water remains inside.
Set-up Drawing
Some models may have different components as illustrated below.
Ryohan™
Battery type
6-5/8"
(168mm)
HOT
COLD
8"
(203mm)
6"
(152mm)
o
F(50
o
C).
Please confirm the basin dimension of lavatory, to
which the faucet will be installed, making sure that it
has recommended minimum dimensions of
(L x W: 15" x 15").
Helix™ Wall Mount
Battery type
2-3/8"
(60mm)
HOT
COLD
8"
(203mm)
(152mm)
1-3/4"(45mm)
Faucet
Thermal Mixing
H
Controller
1-3/8"(36mm)
3-3/4"(95mm)
17-1/8"
1"(25mm)
(435mm)
2" (50 mm) to
5" (127 mm)
Thermal Mixing
H
Controller
1-3/8"(36mm)
3-3/4"(95mm)
17-1/8"
1"(25mm)
(435mm)
6"
8-1/8"
1
(207mm)
2-3/4"
(70mm)
1-5/8"
6-5/8"
(42mm)
(168mm)
Faucet Hole Diameter
Min. 28mm (~1-1/16")
to
Max. 35mm (~1-3/8")
Ø4x40
3 screws
with anchors
7-5/16"
(186 mm)
60
1-5/8"
6-5/8"
(42mm)
(168mm)
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