23
5. Useful Functions
List of optional parts
Item name
Product
code
Supported
model
Remarks
Installation tray
(OWL50)
253271
WL220T
This unit can be stably fixed on the constant
temperature and humidity chamber. The tray
has a discharge port and is put under the unit
so that leak water will not drip onto the
constant temperature and humidity chamber.
Feed water port unit
（
OWH10
）
253686
WL200
WL220
WL220T
Used when the raw water feed port is not
equipped with the sink. Install a faucet to the
water supply line.
Reducing valve for
raw water
（
OWG42
）
253769
WL200
WL220
WL220T
Used to keep the raw water pressure
constant. Use this valve when the raw water
pressure is not constant or is
5
×
100kPa (5kgf/cm
2
) or more.
Remote
water
supply input terminal
（
OWL48
）
※
2
253272
WL220T
This terminal is used when you want to supply
water to the constant temperature and
humidity chamber with the supply signals
from that chamber. A solenoid valve for
supplying water is added inside the unit. This
shall be specified at the time of placing an
order.
Power cord 4m
(OWL52)
253273
WL220T
This is used when the existing power cord is
short.
※
Do not use this power cord for electric
appliances other than the supported products
of Yamato.
MIZU guard
254199
Y-MGB
A line type leak sensor is installed around the
water purifier. This detects a small amount of
leak on the unit and closes the water supply
pipe to the unit with a motor valve to stop
leak.
※
1
Please specify at the time of placing the order for the main unit.
